Severe · Flash Flood WarningThis alert has expired. It is kept for reference.

Flash Flood Warning issued September 19 at 5:17PM MDT until September 19

Affecting Sierra, NM

In effect until: Sep 20, 2026, 1:15 AM

Sierra, NM

Likely impact in Sierra, NM; effects through 1:15 AM.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

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At 517 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2.5 and 3.5 inches of rain have
fallen. Flooding impacts will continue, but no additional rainfall is
expected. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.

SOURCE...Radar indicated.

IMPACT...Life threatening flash flooding of creeks and streams, urban
areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
Alamosa Canyon.

Water may take some time to drain through canyons and arroyos towards
upper Lake Shore Road and Elephant Butte Reservoir.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flash Flood Warning issued September 19 at 5:17PM MDT until September 19

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