Sunamganj Sadar 72h rain
84 mm
Source: Open-Meteo weather forecast documentationAs of 2026-08-23
Next steps
Climate and weather
Flash flood (haor) is classified Watch at 84 mm, observed through 2026-08-23.
Sunamganj Sadar 72h rain
84 mm
Source: Open-Meteo weather forecast documentationAs of 2026-08-23
Assessment
Watch
BDPolicyLab analytical classification based on the stated assessment basis. It is not an official agency designation. Benchmark stress score: Not available.
Source: BDPolicyLab assessmentAs of 2026-08-23
Movement
Unchanged
Stale observation
Source: BDPolicyLab comparable assessmentsAs of 24 Aug 2026, 01:25
Stale observation. Cadence basis: frequent official or forecast observation.
Source: BDPolicyLab Crisis Orb Updated 2026-08-23
| Evidence | Reading | Observed through | Primary source |
|---|---|---|---|
| Sunamganj Sadar 72h rain | 84 mm | 2026-08-23 | Open-Meteo weather forecast documentation |
| Tahirpur 72h rain | 81 mm | 2026-08-23 | Open-Meteo weather forecast documentation |
| Jamalganj 72h rain | 70 mm | 2026-08-23 | Open-Meteo weather forecast documentation |
| Dharmapasha 72h rain | 59 mm | 2026-08-23 |
Districts ranked by population in the 100-year floodplain. Exposure sources: JRC/CEMS_GLOFAS/FloodHazard/v2_1, RP100 100-year return-period layer, WorldPop/GP/100m/pop, Bangladesh 2020, 100 m. See the exposure atlas.
| District | Division | population in the 100-year floodplain |
|---|---|---|
| Jhalokati | Barisal | 98.3% |
| Pirojpur | Barisal | 97.5% |
| Lakshmipur | Chittagong | 96.9% |
| Gopalganj | Dhaka | 96.4% |
| Barguna |
Comparable assessments
Current movement: Unchanged
Watch
25 Jul 2026, 04:03 to 1 Aug 2026, 09:36
67 comparable assessments.
Elevated
1 Aug 2026, 12:36 to 7 Aug 2026, 05:09
59 comparable assessments, following Watch.
Watch
7 Aug 2026, 08:09 to 10 Aug 2026, 03:18
30 comparable assessments, following Elevated.
Stable
10 Aug 2026, 06:18 to 12 Aug 2026, 17:26
36 comparable assessments, following Watch.
Watch
12 Aug 2026, 20:26 to 14 Aug 2026, 05:49
14 comparable assessments, following Stable.
Decision architecture
These are linked records, not recommendations. They identify documented responsibility, published policy work, and modelled instruments that have passed their respective public gates.
Owns
Disaster preparedness, emergency response, relief distribution, and rehabilitation
Authority: Constitution of Bangladesh, Article 55; Rules of Business 1996
Owns
Water resources management, flood control, river management, and irrigation policy
Authority: Constitution of Bangladesh, Article 55; Rules of Business 1996
Grounded prescription
Buy the days before the waterA pre-monsoon flash flood early-action protocol for the Sunamganj and Sylhet haor, led by MoDMR, that converts upstream rainfall warnings into financed, pre-positioned harvest and evacuation actions before the water arrives.
Research · Related
Bangladesh Climate Vulnerability AssessmentThis current-condition assessment uses the detector's ordered source observations. Its category follows the most severe current observation; it does not use threshold bands, a level score, or a forecast.
BDPolicyLab analytical classification based on the stated assessment basis. It is not an official agency designation.
No public forecast is shown because the validation or time-unit requirement was not met.
| Open-Meteo weather forecast documentation |
| Habiganj Sadar 72h rain | 50 mm | 2026-08-23 | Open-Meteo weather forecast documentation |
| Barisal |
| 96.1% |
| Barisal | Barisal | 96% |
| Madaripur | Dhaka | 94.8% |
| Shariatpur | Dhaka | 94.1% |
Elevated
14 Aug 2026, 08:49 to 18 Aug 2026, 03:44
38 comparable assessments, following Watch.
Watch
18 Aug 2026, 06:04 to 24 Aug 2026, 01:25
102 comparable assessments, following Elevated.
Research · Related
Research · Primary
Groundwater in Bangladesh: Depletion, Arsenic, and SustainabilityResearch · Primary
Water & Wetland Health: Rivers, Haors, and Transboundary Risks