Alert archive / Guam / Special Marine Warnings

Special Marine Warnings in Guam, 2022

7 special marine warnings in 2022. 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 special marine warnings reaches back to 1986.

Special Marine Warnings
7
Busiest month
April2 special marine warnings
Busiest day
April 12, 20222 special marine 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
Apr 12, 4:24 AM CDTSpecial Marine WarningGUM120 days
Apr 12, 6:36 AM CDTSpecial Marine WarningGUM120 days
Jun 27, 3:28 AM CDTSpecial Marine WarningGUM44 days
Jun 27, 5:40 AM CDTSpecial Marine WarningGUM35 min
Oct 1, 6:18 PM CDTSpecial Marine WarningGUM57 min
Dec 1, 8:23 PM CSTSpecial Marine WarningGUM37 min
Dec 1, 9:32 PM CSTSpecial Marine WarningGUM88 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 12, 20222special marine warnings
  2. June 27, 20222special marine warnings
  3. December 2, 20222special marine warnings
  4. October 1, 20221special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20212023

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. Warning verification from the Mesonet's Cow. Rebuilt daily.