Heavy Rain Risk Area
The monsoon trough lies across the upper North and upper Laos into the low-pressure cell over upper Vietnam while the rather strong southwest monsoon prevails over the Andaman Sea, Thailand and the Gulf with isolated heavy to very heavy rains in the upper North, the upper Northeast and the East. The
- Time
- 8/18/2026, 11:03:00 PM UTC
- Coordinates
- 13.442, 101.480
- Data source
- tmd
- Severity
- Severe
- Areas
- Bangkok Samut Prakan Nonthaburi Pathum Thani Ayutthaya Lop Buri Sara Buri Chonburi Chacheongsao Prachinburi Nakhon Nayok Sakaeo Nakhon Ratch
- Expires
- 8/19/2026, 11:00:00 AM UTC
- Source
- Thai Meteorological Department
Event timeline
- Tue, 18 Aug 2026 23:16:49 GMTSignificantHeavy Rain Risk Area
Snapshots are recorded when the event first appears or its severity changes.
🧰 What to do
Before
- •Know if you're in a flood zone and your evacuation route
- •Move valuables and chemicals to higher floors
- •Consider flood insurance — standard policies don't cover floods
During
- •Turn Around, Don't Drown — never drive through flooded roads
- •6 inches of moving water can knock you down; 1 ft floats a car
- •Move to higher ground; avoid basements and underpasses
After
- •Avoid floodwater — it may hide debris, sewage, or live wires
- •Don't use wet electrical devices before inspection
- •Photograph damage; discard food touched by floodwater
Guidance condensed from Ready.gov
AlertAtlas aggregates official hazard data (USGS, NOAA/NWS, NHC, NASA EONET, GDACS, SMN/CONAGUA México CC BY 4.0, SMN Argentina CC BY 4.0, INMET Brasil, Environment and Climate Change Canada OGL-Canada, EUMETNET – MeteoAlarm CC BY 4.0, PAGASA-DOST Philippines, India Meteorological Department, Thai Meteorological Department, EMSC-CSEM, Roshydromet, Kazhydromet, Office National de la Météorologie Algérie, INAMHI Ecuador, Dirección Meteorológica de Chile, National Center for Meteorology Saudi Arabia, Kyrgyzhydromet, Uzhydromet, Meteorological Service Jamaica, Egyptian Meteorological Authority, Smithsonian / USGS Global Volcanism Program, Japan Meteorological Agency PDL 1.0, MAGMA Indonesia (PVMBG), South African Weather Service, NSW Rural Fire Service CC BY 4.0, region boundaries Eurostat/GISCO © EuroGeographics). Event details update every few minutes while the event is active; pages for expired events are removed. Always follow guidance from local authorities.