Alert archive / Guam / Flash Flood Watches

Flash Flood Watches in Guam, 2021

7 flash flood watches 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 watches reaches back to 2005.

Flash Flood Watches
7
Busiest month
October3 flash flood watches
Busiest day
October 21, 20212 flash flood watches

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
Jun 21, 4:01 AM CDTFlash Flood WatchGUM20 hr
Jul 19, 11:10 PM CDTFlash Flood WatchGUM48 hr
Jul 21, 11:23 PM CDTFlash Flood WatchGUM16 hr
Aug 16, 1:53 AM CDTFlash Flood WatchGUM24 hr
Oct 9, 10:23 PM CDTFlash Flood WatchGUM32 hr
Oct 21, 5:58 PM CDTFlash Flood WatchGUM45 hr
Oct 21, 5:58 PM CDTFlash Flood WatchGUM57 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. October 21, 20212flash flood watches
  2. June 21, 20211flash flood watches
  3. July 20, 20211flash flood watches
  4. July 22, 20211flash flood watches
  5. August 16, 20211flash flood watches
  6. October 10, 20211flash flood watches

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.