Alert archive / Hawaii / Flash Flood Warnings

Flash Flood Warnings in Hawaii, 2018

78 flash flood warnings in 2018. 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2018. Tap one for its archive.

Flash Flood Warnings
78
Busiest month
February16 flash flood warnings
Busiest day
August 25, 20186 flash flood warnings

Over time

By month

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
Feb 4, 7:11 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 4, 3:43 PM HSTFlash Flood WarningHFOKauai4 hr
Feb 6, 2:54 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 17, 9:25 PM HSTFlash Flood WarningHFOHonolulu3 hr
Feb 18, 12:05 AM HSTFlash Flood WarningHFOHonolulu3 hr
Feb 18, 2:58 AM HSTFlash Flood WarningHFOHonolulu2 hr
Feb 18, 12:39 PM HSTFlash Flood WarningHFOKalawao6 hr
Feb 18, 12:40 PM HSTFlash Flood WarningHFOHonolulu3 hr
Feb 18, 2:42 PM HSTFlash Flood WarningHFOHonolulu5 hr
Feb 18, 7:13 PM HSTFlash Flood WarningHFOHawaii3 hr
Feb 22, 7:16 AM HSTFlash Flood WarningHFOKalawao3 hr
Feb 22, 3:10 PM HSTFlash Flood WarningHFOKauai3 hr
Feb 22, 5:43 PM HSTFlash Flood WarningHFOKauai8 hr
Feb 25, 5:25 PM HSTFlash Flood WarningHFOHonolulu3 hr
Feb 25, 6:16 PM HSTFlash Flood WarningHFOHonolulu3 hr
Feb 25, 9:14 PM HSTFlash Flood WarningHFOHonolulu3 hr
Mar 14, 10:54 AM HSTFlash Flood WarningHFOKauai6 hr
Mar 14, 3:10 PM HSTFlash Flood WarningHFOKalawao9 hr
Mar 14, 7:02 PM HSTFlash Flood WarningHFOKauai5 hr
Mar 14, 11:45 PM HSTFlash Flood WarningHFOKalawao3 hr
Mar 15, 2:36 AM HSTFlash Flood WarningHFOKalawao5 hr
Mar 15, 7:19 AM HSTFlash Flood WarningHFOKauai6 hr
Mar 23, 9:58 PM HSTFlash Flood WarningHFOHonolulu3 hr
Mar 24, 12:40 AM HSTFlash Flood WarningHFOHonolulu3 hr
Mar 31, 12:30 PM HSTFlash Flood WarningHFOHonolulu3 hr
Apr 2, 6:41 PM HSTFlash Flood WarningHFOKalawao3 hr
Apr 2, 6:43 PM HSTFlash Flood WarningHFOKalawao3 hr
Apr 13, 7:37 PM HSTFlash Flood WarningHFOHonolulu3 hr
Apr 13, 8:45 PM HSTFlash Flood WarningHFOHonolulu3 hr
Apr 14, 4:15 AM HSTFlash Flood WarningHFOKauai3 hr
Apr 14, 7:03 AM HSTFlash Flood WarningHFOKauai3 hr
Apr 14, 9:57 AM HSTFlash Flood WarningHFOKauai3 hr
Apr 14, 5:15 PM HSTFlash Flood WarningHFOKauai9 hr
Apr 15, 2:09 AM HSTFlash Flood WarningHFOKauai24 hr
Apr 15, 4:31 AM HSTFlash Flood WarningHFOHawaii3 hr
Apr 15, 7:12 AM HSTFlash Flood WarningHFOHawaii3 hr
Apr 20, 1:31 AM HSTFlash Flood WarningHFOKauai6 hr
Aug 18, 12:32 PM HSTFlash Flood WarningHFOHawaii3 hr
Aug 18, 1:04 PM HSTFlash Flood WarningHFOHawaii86 min
Aug 22, 9:48 PM HSTFlash Flood WarningHFOHawaii42 hr
Aug 23, 8:52 AM HSTFlash Flood WarningHFOKalawao6 hr
Aug 24, 2:16 PM HSTFlash Flood WarningHFOKalawao3 hr
Aug 24, 2:55 PM HSTFlash Flood WarningHFOKalawao3 hr
Aug 24, 3:40 PM HSTFlash Flood WarningHFOHawaii6 hr
Aug 24, 5:18 PM HSTFlash Flood WarningHFOKalawao9 hr
Aug 24, 8:51 PM HSTFlash Flood WarningHFOHawaii6 hr
Aug 25, 2:29 AM HSTFlash Flood WarningHFOHawaii20 hr
Aug 27, 11:44 AM HSTFlash Flood WarningHFOKauai9 hr
Aug 27, 1:24 PM HSTFlash Flood WarningHFOHawaii3 hr
Aug 27, 2:12 PM HSTFlash Flood WarningHFOHawaii3 hr
Aug 28, 2:29 AM HSTFlash Flood WarningHFOKauai18 hr
Aug 28, 4:18 AM HSTFlash Flood WarningHFOHonolulu3 hr
Sep 12, 3:22 AM HSTFlash Flood WarningHFOKalawao14 hr
Sep 12, 10:02 AM HSTFlash Flood WarningHFOKalawao3 hr
Sep 12, 10:41 AM HSTFlash Flood WarningHFOKalawao7 hr
Sep 12, 9:45 PM HSTFlash Flood WarningHFOHonolulu3 hr
Sep 13, 12:14 AM HSTFlash Flood WarningHFOHonolulu3 hr
Sep 13, 6:22 AM HSTFlash Flood WarningHFOKalawao3 hr
Sep 13, 9:10 AM HSTFlash Flood WarningHFOHonolulu2 hr
Sep 27, 9:22 AM HSTFlash Flood WarningHFOKalawao3 hr
Sep 27, 4:42 PM HSTFlash Flood WarningHFOKalawao3 hr
Oct 12, 4:06 PM HSTFlash Flood WarningHFOHonolulu81 min
Oct 19, 8:40 PM HSTFlash Flood WarningHFOHonolulu2 hr
Oct 30, 4:22 AM HSTFlash Flood WarningHFOKauai3 hr
Oct 30, 4:54 AM HSTFlash Flood WarningHFOHonolulu3 hr
Oct 30, 7:22 AM HSTFlash Flood WarningHFOHonolulu6 hr
Nov 3, 5:11 PM HSTFlash Flood WarningHFOHawaii3 hr
Nov 6, 5:52 PM HSTFlash Flood WarningHFOHawaii3 hr
Nov 8, 5:56 PM HSTFlash Flood WarningHFOHonolulu61 min
Nov 8, 10:33 PM HSTFlash Flood WarningHFOHonolulu117 min
Nov 9, 7:44 AM HSTFlash Flood WarningHFOHonolulu2 hr
Nov 9, 6:22 PM HSTFlash Flood WarningHFOHonolulu3 hr
Nov 9, 11:23 PM HSTFlash Flood WarningHFOHonolulu3 hr
Dec 25, 5:23 AM HSTFlash Flood WarningHFOKauai2 hr
Dec 28, 10:25 AM HSTFlash Flood WarningHFOHonolulu3 hr
Dec 28, 11:58 AM HSTFlash Flood WarningHFOHonolulu3 hr
Dec 28, 6:42 PM HSTFlash Flood WarningHFOKalawao3 hr
Dec 29, 9:56 AM HSTFlash Flood WarningHFOKauai3 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 25, 20186flash flood warnings
  2. February 18, 20185flash flood warnings
  3. March 15, 20185flash flood warnings
  4. April 14, 20185flash flood warnings
  5. April 15, 20184flash flood warnings
  6. September 13, 20184flash flood warnings
  7. February 26, 20183flash flood warnings
  8. August 28, 20183flash flood warnings
  9. September 12, 20183flash flood warnings
  10. October 30, 20183flash flood warnings
  11. November 9, 20183flash flood warnings
  12. February 19, 20182flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.