Severe Flood ● Closed
Flood Watch issued September 12 at 12:57PM EDT until September 13 at 2:00AM EDT by NWS Baltimore MD/Washington DC, 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...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of western Maryland, including the following
areas, Eastern Garrett, Extreme Western Allegany and Western
Garrett.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Low-water crossings
may be flooded.
* ADDITIONAL DETAILS...
- Showers and thunderstorms are expected at times through this
evening. Given the humid airmass in place, there is the potential
for up to 2 inches of rain in an hour, with localized totals of
up to 5 inches possible. This would result in rapid rises of
water on small streams and creeks and in low-lying areas.
- http://www.weather.gov/safety/flood
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Extreme Western Allegany; Western Garrett; Eastern Garrett |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-09-13T02:00:00-04:00 |
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 reportThis event as JSON · API and licence
Source updated 37 days ago (Sep 12, 2026 16:59 UTC) · we last heard from WMO Alert Hub (national weather services) 17 seconds ago
On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.
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: Extreme Western Allegany; Western Garrett; Eastern Garrett
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.