Severe Flood ● Closed

Flood Watch issued September 13 at 12:02PM EDT until September 13 at 2:00PM EDT by NWS Upton NY, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

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 southern Connecticut, including the following
areas, Northern Middlesex, Northern New London, Southern Fairfield,
Southern Middlesex, Southern New Haven and Southern New London and
southeast New York, including the following areas, Northeast
Suffolk, Northern Nassau, Northwest Suffolk, Southeast Suffolk,
Southern Nassau and Southwest Suffolk.

* WHEN...Until 2 PM EDT this afternoon.

* IMPACTS...Excessive runoff may result in flooding in poor drainage
areas, rivers, creeks, streams, and other low-lying and flood-prone
locations.

* ADDITIONAL DETAILS...
- Showers with heavy downpours may lead to flooding. Average total
rainfall amounts are forecast to range from 1 to 3 inches, with
localized amounts greater than 5 inches possible. Peak hourly
rates could exceed 1 inch per hour.
- http://www.weather.gov/safety/flood

Measurements

Coordinates39.9645, -100.8105
RegionNorthern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suff
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-09-13T14:00:00-04:00

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 report

Also reported by: WMO

This event as JSON · API and licence

Source updated 36 days ago (Sep 13, 2026 16:03 UTC) · we last heard from WMO Alert Hub (national weather services) 53 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: Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suff

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.