Alert archive / Hawaii / Special Marine Warnings / 2021

Special Marine Warnings in Hawaii, March 2021

44 special marine warnings in March 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in March 2021. Tap one for its archive.

Special Marine Warnings
44
Busiest day
March 10, 202117 special marine warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Hawaii-Aleutian Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Mar 8, 8:45 AM HSTSpecial Marine WarningHFO45 min
Mar 9, 8:09 AM HSTSpecial Marine WarningHFO2 hr
Mar 9, 10:03 AM HSTSpecial Marine WarningHFO54 min
Mar 9, 2:15 PM HSTSpecial Marine WarningHFO30 min
Mar 9, 2:44 PM HSTSpecial Marine WarningHFO46 min
Mar 9, 3:17 PM HSTSpecial Marine WarningHFO88 min
Mar 9, 3:24 PM HSTSpecial Marine WarningHFO64 min
Mar 9, 8:33 PM HSTSpecial Marine WarningHFO87 min
Mar 9, 10:44 PM HSTSpecial Marine WarningHFO2 hr
Mar 9, 11:03 PM HSTSpecial Marine WarningHFO93 min
Mar 9, 11:16 PM HSTSpecial Marine WarningHFO76 min
Mar 10, 12:45 AM HSTSpecial Marine WarningHFO105 min
Mar 10, 2:20 AM HSTSpecial Marine WarningHFO115 min
Mar 10, 3:42 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 4:43 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 5:47 AM HSTSpecial Marine WarningHFO118 min
Mar 10, 7:43 AM HSTSpecial Marine WarningHFO107 min
Mar 10, 9:17 AM HSTSpecial Marine WarningHFO118 min
Mar 10, 11:11 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 1:10 PM HSTSpecial Marine WarningHFO110 min
Mar 10, 3:00 PM HSTSpecial Marine WarningHFO2 hr
Mar 10, 4:37 PM HSTSpecial Marine WarningHFO113 min
Mar 10, 6:34 PM HSTSpecial Marine WarningHFO25 min
Mar 10, 8:05 PM HSTSpecial Marine WarningHFO46 min
Mar 10, 8:12 PM HSTSpecial Marine WarningHFO2 hr
Mar 10, 9:18 PM HSTSpecial Marine WarningHFO76 min
Mar 10, 11:04 PM HSTSpecial Marine WarningHFO116 min
Mar 11, 2:39 AM HSTSpecial Marine WarningHFO2 hr
Mar 11, 3:22 PM HSTSpecial Marine WarningHFO22 min
Mar 12, 12:23 AM HSTSpecial Marine WarningHFO112 min
Mar 12, 8:49 AM HSTSpecial Marine WarningHFO41 min
Mar 13, 5:38 AM HSTSpecial Marine WarningHFO112 min
Mar 13, 7:28 AM HSTSpecial Marine WarningHFO2 hr
Mar 13, 9:19 AM HSTSpecial Marine WarningHFO116 min
Mar 13, 9:24 AM HSTSpecial Marine WarningHFO111 min
Mar 13, 11:07 AM HSTSpecial Marine WarningHFO113 min
Mar 13, 11:09 AM HSTSpecial Marine WarningHFO2 hr
Mar 13, 11:19 AM HSTSpecial Marine WarningHFO116 min
Mar 13, 12:47 PM HSTSpecial Marine WarningHFO118 min
Mar 13, 12:47 PM HSTSpecial Marine WarningHFO108 min
Mar 13, 5:44 PM HSTSpecial Marine WarningHFO2 hr
Mar 13, 8:19 PM HSTSpecial Marine WarningHFO89 min
Mar 14, 8:12 AM HSTSpecial Marine WarningHFO2 hr
Mar 24, 7:46 PM HSTSpecial Marine WarningHFO119 min

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