Alert archive / Guam / Flash Flood Warnings

Flash Flood Warnings in Guam, 2018

11 flash flood warnings in 2018. 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
11
Busiest month
August5 flash flood warnings
Busiest day
August 21, 20184 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
Aug 19, 1:46 AM CDTFlash Flood WarningGUM3 hr
Aug 20, 7:32 PM CDTFlash Flood WarningGUM4 hr
Aug 20, 10:35 PM CDTFlash Flood WarningGUM4 hr
Aug 20, 11:15 PM CDTFlash Flood WarningGUM3 hr
Aug 21, 2:03 AM CDTFlash Flood WarningGUM4 hr
Sep 10, 4:18 AM CDTFlash Flood WarningGUM6 hr
Sep 10, 5:42 AM CDTFlash Flood WarningGUM5 hr
Sep 20, 7:47 PM CDTFlash Flood WarningGUM6 hr
Oct 3, 11:17 PM CDTFlash Flood WarningGUM4 hr
Oct 24, 7:13 AM CDTFlash Flood WarningGUM8 hr
Oct 24, 3:12 PM CDTFlash Flood WarningGUM4 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 21, 20184flash flood warnings
  2. September 10, 20182flash flood warnings
  3. October 24, 20182flash flood warnings
  4. August 19, 20181flash flood warnings
  5. September 21, 20181flash flood warnings
  6. October 4, 20181flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.