Chaum Haus

Name: Chaum Haus
Address: TH

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In Chaum Haus

Facilities

24h Security

Facts & Stats

2025

Completion

Location

Cha-Am

Sinkhole susceptibility (DMR): baanme.areaPage.governmentStats.flood.sinkholeBand.potential

99 min

to Photharam Ratchaburi Airport

commute

5 min

Cha-Am

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Neighborhood

Cha-Am

Cha-Am is a subdistrict in Cha-Am District, Phetchaburi Province, on Thailand's upper Gulf coast. It is known for its beachside setting and serves as a quieter alternative to nearby resort towns, attracting both holidaymakers and those looking for a coastal home. The area has a beach nearby, which is a defining feature of life in Cha-Am. Residents and visitors can enjoy seaside leisure, and the coastal character shapes the local property market, which includes records of properties available in the area. Cha-Am Hospital is located in the area, providing healthcare services to residents. For families with children, there are several schools nearby, including Thetsaban 1 Ban Cha-am School (Cha-am Witthayakhan) and Thetsaban 5 Ban Huai Sai Tai School, with around eight schools in the vicinity in total.

Explore Cha-Am

Location risk & context

river floodingHigh(estimated)

flash floodingLow(estimated)

droughtHigh(based on the surrounding area)

poor air qualityHigh(observed)

fire riskNot enough data yet(basis not available)

extreme heatNot enough data yet(basis not available)

River flooding: Terrain height above nearest drainage: 1.8630911584216485 m. This is an indirect screening indicator.; Evidence scope: Modelled screening · Confidence: Medium
Flash flooding: Terrain-derived susceptibility band: Low. This is not a flood-depth forecast.; Evidence scope: Modelled screening · Confidence: High
Drought: Rainfall was below the local normal in 23.055555555555557% of analysed 10-day periods. Regional screening uses project-defined thresholds.; Evidence scope: Area context · Confidence: Medium
Air quality: Annual mean PM2.5: 25.407227881513936 µg/m³, source: OpenAQ. This is not a current air-quality reading.; Evidence scope: Area context · Confidence: Medium
Fire: No usable evidence is available.; Evidence scope: Insufficient evidence
Heat: No usable evidence is available.; Evidence scope: Insufficient evidence

Flood

River flood

No satellite flood observation covers this location yet

River hazard is scored only against a single 2024 satellite-observed flood event covering four northern Thailand provinces (Chiang Mai, Chiang Rai, Lamphun, Phayao). "Unknown" outside that area means no observation exists yet — it does not mean the area is safe.

Flash flood

Low — some distance from watercourses or higher ground

Confidence: high

Height above nearest drainage: 1.9 m
Distance to nearest watercourse: 4662 m
Slope: 0.1%

Flash-flood terrain data is derived from OpenStreetMap waterway data. See OpenStreetMap attribution

Area context

Government construction cost estimate, maximum: 12,500 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Government construction cost estimate, typical: 7,800 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Government construction cost estimate, minimum: 400 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Treasury land appraisal (municipality), maximum — assessed value, not market price: 60,000 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (municipality), typical — assessed value, not market price: 3,000 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (municipality), minimum — assessed value, not market price: 150 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), maximum — assessed value, not market price: 30,000 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), typical — assessed value, not market price: 500 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), minimum — assessed value, not market price: 100 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Driest month: December — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Climate rainfall annual total mean mm: 1,613.7 mm — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Wettest month: September — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Height above nearest drainage (typical): 3.9 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Height above nearest drainage (lowest 10%): -12.2 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Terrain slope (typical): 0.4% — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Terrain slope (steepest 10%): 5.5% — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Distance to nearest watercourse (typical): 3,695.5 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Distance to nearest watercourse (closest 10%): 2,246.3 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Flash-flood terrain susceptibility: moderate — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Elevation, maximum: 165.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, typical: 11.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, minimum: 0 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, range: 165.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Share of 10-day periods with rainfall deficit (10-year): 23.1% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
Worst 3-month rainfall deficit (10-year): 29.5% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
PM2.5, annual average: 25.4 µg/m³ — In Phetchaburi province; Source: OpenAQ — Phetchaburi Municipality-2102568 (reference) · License: Open Data Common (Pollution Control Department) · 2025-01-01 to 2026-01-01
Recent 3-month rainfall vs. normal: 115.9% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2026-07-01 to 2026-09-21

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Neighborhood

Cha-Am

Explore Cha-Am

Location risk & context

river floodingHigh(estimated)

flash floodingLow(estimated)

droughtHigh(based on the surrounding area)

poor air qualityHigh(observed)

fire riskNot enough data yet(basis not available)

extreme heatNot enough data yet(basis not available)

River flooding: Terrain height above nearest drainage: 1.8630911584216485 m. This is an indirect screening indicator.; Evidence scope: Modelled screening · Confidence: Medium
Flash flooding: Terrain-derived susceptibility band: Low. This is not a flood-depth forecast.; Evidence scope: Modelled screening · Confidence: High
Drought: Rainfall was below the local normal in 23.055555555555557% of analysed 10-day periods. Regional screening uses project-defined thresholds.; Evidence scope: Area context · Confidence: Medium
Air quality: Annual mean PM2.5: 25.407227881513936 µg/m³, source: OpenAQ. This is not a current air-quality reading.; Evidence scope: Area context · Confidence: Medium
Fire: No usable evidence is available.; Evidence scope: Insufficient evidence
Heat: No usable evidence is available.; Evidence scope: Insufficient evidence

Flood

River flood

No satellite flood observation covers this location yet

Flash flood

Low — some distance from watercourses or higher ground

Confidence: high

Height above nearest drainage: 1.9 m
Distance to nearest watercourse: 4662 m
Slope: 0.1%

Flash-flood terrain data is derived from OpenStreetMap waterway data. See OpenStreetMap attribution

Area context

Government construction cost estimate, maximum: 12,500 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Government construction cost estimate, typical: 7,800 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Government construction cost estimate, minimum: 400 THB/m² — In Phetchaburi province; Source: Treasury Department (กรมธนารักษ์) construction cost appraisal · License: Open Data Common (Treasury Department building valuation catalogue) · 2024-08-15 to 2027-12-31
Treasury land appraisal (municipality), maximum — assessed value, not market price: 60,000 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (municipality), typical — assessed value, not market price: 3,000 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (municipality), minimum — assessed value, not market price: 150 THB/sq_wah — In Cha-Am subdistrict; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv — เทศบาลเมืองชะอำ (municipal area) · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), maximum — assessed value, not market price: 30,000 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), typical — assessed value, not market price: 500 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Treasury land appraisal (subdistrict), minimum — assessed value, not market price: 100 THB/sq_wah — In Cha-Am district; Source: Treasury Department (กรมธนารักษ์) land valuation (ราคาประเมินที่ดิน) - attach_all_20240805.csv · License: Open Data Common · 2024-08-14 to 2024-08-14
Driest month: December — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Climate rainfall annual total mean mm: 1,613.7 mm — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Wettest month: September — In Phetchaburi province; Source: Open-Meteo (ERA5 reanalysis, via archive-api.open-meteo.com) · License: CC BY 4.0 (Attribution 4.0 International) -- https://open-meteo.com/en/licence · 1991-01-01 to 2020-12-31
Height above nearest drainage (typical): 3.9 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Height above nearest drainage (lowest 10%): -12.2 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Terrain slope (typical): 0.4% — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Terrain slope (steepest 10%): 5.5% — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Distance to nearest watercourse (typical): 3,695.5 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Distance to nearest watercourse (closest 10%): 2,246.3 m — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Flash-flood terrain susceptibility: moderate — In Cha-Am subdistrict; Source: Terrain-derived flash-flood indicators (HAND + slope + OSM drainage proximity; NOT a forecast or probability, not calibrated against observed events) from Copernicus DEM GLO-30 (via Mapterhorn terrain tiles) and OpenStreetMap waterway data. The banded metric flags whether the region CONTAINS terrain susceptible to flash flooding somewhere within it -- not the susceptibility of the region as a whole, and not of any individual property. · License: Copernicus WorldDEM-30 Licence, commercial use permitted (see ./region-elevation.ts's ELEVATION_SOURCE_LICENSE for the full citation) combined with OpenStreetMap contributors: ODbL 1.0 (https://www.openstreetmap.org/copyright) · 2010-12-12 to 2015-01-07
Elevation, maximum: 165.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, typical: 11.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, minimum: 0 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Elevation, range: 165.4 m — In Cha-Am subdistrict; Source: Mapterhorn terrain tiles (Copernicus DEM GLO-30 / WorldDEM-30, terrarium encoding, via tiles.mapterhorn.com) · License: Copernicus WorldDEM-30 Licence (COP-DEM-GLO-30-F, 'Global 30m Full, Free & Open' -- https://documentation.dataspace.copernicus.eu/APIs/SentinelHub/Data/DEM/resources/license/License-COPDEM-30.pdf); free of charge, reproduction/distribution/public-communication/adaptation all granted, commercial use permitted; required notice: "produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved." Tiles served by Mapterhorn (© Mapterhorn, https://mapterhorn.com/attribution) -- both notices required. · 2010-12-12 to 2015-01-07
Share of 10-day periods with rainfall deficit (10-year): 23.1% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
Worst 3-month rainfall deficit (10-year): 29.5% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2016-01-01 to 2025-12-31
PM2.5, annual average: 25.4 µg/m³ — In Phetchaburi province; Source: OpenAQ — Phetchaburi Municipality-2102568 (reference) · License: Open Data Common (Pollution Control Department) · 2025-01-01 to 2026-01-01
Recent 3-month rainfall vs. normal: 115.9% — In Cha-Am district; Source: Climate Hazards Center UC Santa Barbara & WFP -- Thailand: Rainfall Indicators at Subnational Level (HDX) · License: CC BY (Creative Commons Attribution International) · 2026-07-01 to 2026-09-21

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