Alert archive / Puerto Rico

Flash Flood Warnings in Puerto Rico

1,946 flash flood warnings since 1986. 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
1,946
Busiest year
2005188 flash flood warnings
Average year
67over 29 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

By month of the year

The latest flash flood warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Sep 19, 2:50 PM CDTFlash Flood Warning Considerable damage threatJSJ3 hr
Sep 7, 12:16 PM CDTFlash Flood WarningJSJ3 hr
Aug 31, 11:34 PM CDTFlash Flood WarningJSJ3 hr
Aug 31, 11:21 PM CDTFlash Flood WarningJSJ3 hr
Aug 9, 2:52 PM CDTFlash Flood WarningJSJ2 hr
May 23, 1:01 PM CDTFlash Flood WarningJSJ3 hr
May 12, 1:59 PM CDTFlash Flood WarningJSJ2 hr
Apr 30, 4:08 PM CDTFlash Flood WarningJSJ46 min
Apr 28, 2:52 PM CDTFlash Flood WarningJSJ3 hr
Apr 18, 3:41 PM CDTFlash Flood WarningJSJ3 hr
Apr 17, 3:25 PM CDTFlash Flood WarningJSJ85 min
Apr 17, 12:40 PM CDTFlash Flood WarningJSJ3 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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. Rebuilt daily.