Alert archive / Guam / 2021

Weather alerts in Guam, August 2021

29 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Alerts
29
Warnings
3
Watches
2
Advisories
19
Busiest day
August 16, 20219 alerts

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
Aug 1, 9:37 AM CDTAreal Flood AdvisoryGUM3 hr
Aug 1, 2:09 PM CDTAreal Flood AdvisoryGUM3 hr
Aug 1, 5:17 PM CDTAreal Flood AdvisoryGUM3 hr
Aug 1, 8:27 PM CDTAreal Flood AdvisoryGUM5 hr
Aug 2, 1:31 AM CDTRip Current StatementGUM42 hr
Aug 2, 1:31 AM CDTHigh Surf AdvisoryGUM42 hr
Aug 3, 6:31 AM CDTAreal Flood AdvisoryGUM3 hr
Aug 11, 8:43 PM CDTAreal Flood AdvisoryGUM2 hr
Aug 14, 6:58 PM CDTTropical Storm WatchGUM34 hr
Aug 16, 1:53 AM CDTFlash Flood WatchGUM24 hr
Aug 16, 1:59 AM CDTSmall Craft AdvisoryGUM14 hr
Aug 16, 2:28 AM CDTRip Current StatementGUM13 hr
Aug 16, 2:28 AM CDTHigh Surf AdvisoryGUM13 hr
Aug 16, 5:03 AM CDTHurricane Local StatementGUM117 min
Aug 16, 5:41 AM CDTRip Current StatementGUM10 hr
Aug 16, 5:41 AM CDTRip Current StatementGUM10 hr
Aug 16, 11:29 AM CDTAreal Flood AdvisoryGUM2 hr
Aug 16, 11:30 AM CDTAreal Flood AdvisoryGUM2 hr
Aug 16, 8:17 PM CDTSmall Craft AdvisoryGUM13 hr
Aug 17, 10:48 PM CDTAreal Flood AdvisoryGUM4 hr
Aug 18, 12:21 AM CDTFlash Flood Warning Considerable damage threatGUM91 min
Aug 21, 12:20 AM CDTSpecial Marine WarningGUM25 min
Aug 21, 11:10 PM CDTAreal Flood AdvisoryGUM65 min
Aug 22, 8:27 PM CDTAreal Flood AdvisoryGUM2 hr
Aug 23, 7:47 PM CDTAreal Flood AdvisoryGUM118 min
Aug 23, 8:29 PM CDTAreal Flood AdvisoryGUM2 hr
Aug 23, 9:13 PM CDTAreal Flood AdvisoryGUM92 min
Aug 23, 9:40 PM CDTFlash Flood WarningGUM110 min
Aug 26, 2:48 AM CDTAreal Flood AdvisoryGUM3 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.