Alert archive / Guam / Flash Flood Warnings / 2026

Flash Flood Warnings in Guam, April 2026

3 flash flood warnings in April 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings
3
Busiest day
April 14, 20262 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 12, 11:49 AM CDTFlash Flood WarningGUM41 min
Apr 13, 9:25 PM CDTFlash Flood WarningGUM13 hr
Apr 14, 2:47 PM CDTFlash Flood WarningGUM3 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.