Alert archive / Hawaii / 2011

Weather alerts in Hawaii, April 2011

41 weather alerts in April 2011, 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.

Weather alerts by county

Each county as a circle sized by its count in April 2011. Tap one for its archive.

Alerts
41
Warnings
9
Watches
2
Advisories
30
Busiest day
April 7, 201116 alerts

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
Apr 4, 3:22 PM HSTSmall Craft AdvisoryHFO5 days
Apr 4, 3:39 PM HSTFlash Flood WatchHFOHawaii, Honolulu, Kauai, Kalawao4 days
Apr 5, 6:46 AM HSTHigh Surf AdvisoryHFOHonolulu, Kauai33 hr
Apr 5, 7:21 AM HSTWinter Storm WatchHFOHawaii8 hr
Apr 5, 3:05 PM HSTWinter Weather AdvisoryHFOHawaii25 hr
Apr 6, 6:54 AM HSTAreal Flood AdvisoryHFOHonolulu62 min
Apr 6, 1:34 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 6, 2:53 PM HSTAreal Flood AdvisoryHFOHawaii3 hr
Apr 6, 3:27 PM HSTHigh Surf AdvisoryHFOHonolulu, Kalawao48 hr
Apr 6, 3:54 PM HSTWinter Storm WarningHFOHawaii60 hr
Apr 6, 4:06 PM HSTSpecial Marine WarningHFO54 min
Apr 6, 4:20 PM HSTFlash Flood WarningHFOHawaii89 min
Apr 6, 4:49 PM HSTAreal Flood AdvisoryHFOKalawao37 min
Apr 6, 4:52 PM HSTAreal Flood AdvisoryHFOKauai54 min
Apr 6, 5:42 PM HSTSpecial Marine WarningHFO39 min
Apr 6, 6:44 PM HSTSpecial Marine WarningHFO61 min
Apr 6, 7:43 PM HSTSpecial Marine WarningHFO32 min
Apr 6, 8:39 PM HSTSpecial Marine WarningHFO51 min
Apr 6, 10:55 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 6, 11:14 PM HSTFlash Flood WarningHFOHonolulu3 hr
Apr 7, 12:19 AM HSTAreal Flood AdvisoryHFOHawaii58 min
Apr 7, 2:18 AM HSTAreal Flood AdvisoryHFOKauai39 min
Apr 7, 8:46 AM HSTAreal Flood AdvisoryHFOKauai3 hr
Apr 7, 4:37 PM HSTAreal Flood AdvisoryHFOKalawao5 hr
Apr 7, 9:30 PM HSTAreal Flood AdvisoryHFOKalawao2 hr
Apr 7, 10:24 PM HSTAreal Flood AdvisoryHFOHonolulu86 min
Apr 7, 10:39 PM HSTSpecial Marine WarningHFO104 min
Apr 7, 11:31 PM HSTAreal Flood AdvisoryHFOKalawao111 min
Apr 8, 3:42 AM HSTWind AdvisoryHFOHawaii, Kalawao24 hr
Apr 8, 5:36 AM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 8, 10:04 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 8, 1:05 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 8, 3:59 PM HSTAreal Flood AdvisoryHFOKalawao60 min
Apr 9, 3:35 AM HSTWinter Weather AdvisoryHFOHawaii8 hr
Apr 9, 3:44 AM HSTSmall Craft AdvisoryHFO12 hr
Apr 9, 3:32 PM HSTWinter Weather AdvisoryHFOHawaii12 hr
Apr 9, 3:38 PM HSTSmall Craft AdvisoryHFO4 days
Apr 17, 3:09 PM HSTAreal Flood AdvisoryHFOKauai2 hr
Apr 19, 3:15 PM HSTHigh Surf AdvisoryHFOHawaii, Kauai, Kalawao48 hr
Apr 26, 9:05 PM HSTSmall Craft AdvisoryHFO12 hr
Apr 29, 12:37 PM HSTAreal Flood AdvisoryHFOHonolulu115 min

By product

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

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.