Severe Flood ● Closed
Flood Watch issued September 12 at 1:18PM EDT until September 13 at 6:00PM EDT by NWS Boston/Norton MA, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northern Connecticut, including the following
area, Windham CT and Massachusetts, including the following areas,
Eastern Norfolk MA, Southern Worcester MA, Suffolk MA and Western
Norfolk MA.
* WHEN...From late tonight through Sunday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Showers and a few embedded thunderstorms with localized narrow
bands of torrential rainfall are possible very late tonight into
Sunday afternoon. Widespread rainfall amounts of 0.50 to 2 inches
are expected. However...localized narrow bands of 2-4" of rain
are possible within a 3 hour period. While it remains uncertain
if these narrow bands of heavier rain occur...the potential
exists for localized flash flooding...especially if it were to
occur over a vulnerable urban center.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Windham; Southern Worcester; Western Norfolk; Suffolk; Eastern Norfolk |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-13T05:00:00-04:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportAlso reported by: WMO
This event as JSON · API and licence
Source updated 37 days ago (Sep 12, 2026 17:20 UTC) · we last heard from WMO Alert Hub (national weather services) 26 seconds ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Windham; Southern Worcester; Western Norfolk; Suffolk; Eastern Norfolk
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Flood preparation, evacuation decisions, and the dangers of driving or walking through floodwater.
Open Flood Safety Guide →Earlier flood events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.