Alert archive / Guam / Special Marine Warnings

Special Marine Warnings in Guam, 2012

4 special marine warnings in 2012. 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
4
Busiest month
August2 special marine warnings
Busiest day
August 19, 20122 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
Feb 28, 4:52 PM CSTSpecial Marine WarningGUM3 hr
May 21, 4:00 PM CDTSpecial Marine WarningGUM2 hr
Aug 19, 4:28 AM CDTSpecial Marine WarningGUM62 min
Aug 19, 5:48 AM CDTSpecial Marine WarningGUM27 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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.