Alert archive / Puerto Rico / Flash Flood Warnings

Flash Flood Warnings in Puerto Rico, 2021

18 flash flood warnings in 2021. 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
18
Busiest month
June8 flash flood warnings
Busiest day
June 10, 20214 flash flood warnings

Over time

By month

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
Mar 24, 2:12 PM CDTFlash Flood WarningJSJ2 hr
May 23, 3:35 AM CDTFlash Flood WarningJSJ5 hr
Jun 9, 1:17 PM CDTFlash Flood WarningJSJ118 min
Jun 9, 3:44 PM CDTFlash Flood WarningJSJ3 hr
Jun 9, 4:19 PM CDTFlash Flood WarningJSJ3 hr
Jun 10, 9:17 AM CDTFlash Flood WarningJSJ3 hr
Jun 10, 9:44 AM CDTFlash Flood WarningJSJ2 hr
Jun 10, 11:20 AM CDTFlash Flood Warning Considerable damage threatJSJ2 hr
Jun 10, 1:23 PM CDTFlash Flood WarningJSJ2 hr
Jun 27, 2:46 AM CDTFlash Flood WarningJSJ3 hr
Aug 4, 12:18 PM CDTFlash Flood WarningJSJ3 hr
Sep 3, 4:32 PM CDTFlash Flood WarningJSJ103 min
Oct 2, 1:49 PM CDTFlash Flood WarningJSJ48 min
Oct 13, 1:53 PM CDTFlash Flood Warning Considerable damage threatJSJ2 hr
Oct 16, 1:06 PM CDTFlash Flood WarningJSJ75 min
Oct 18, 5:12 PM CDTFlash Flood WarningJSJ78 min
Oct 20, 11:19 AM CDTFlash Flood WarningJSJ3 hr
Oct 20, 3:03 PM CDTFlash Flood WarningJSJ46 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 10, 20214flash flood warnings
  2. June 9, 20213flash flood warnings
  3. October 20, 20212flash flood warnings
  4. March 24, 20211flash flood warnings
  5. May 23, 20211flash flood warnings
  6. June 27, 20211flash flood warnings
  7. August 4, 20211flash flood warnings
  8. September 3, 20211flash flood warnings
  9. October 2, 20211flash flood warnings
  10. October 13, 20211flash flood warnings
  11. October 16, 20211flash flood warnings
  12. October 18, 20211flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.