Alert archive / Hawaii / Flash Flood Warnings

Flash Flood Warnings in Hawaii, 2022

15 flash flood 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2022. Tap one for its archive.

Flash Flood Warnings
15
Busiest month
January4 flash flood warnings
Busiest day
January 1, 20222 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
Jan 1, 2:34 AM HSTFlash Flood WarningHFOHonolulu3 hr
Jan 1, 1:16 PM HSTFlash Flood WarningHFOHonolulu6 hr
Jan 2, 4:21 AM HSTFlash Flood WarningHFOKauai3 hr
Jan 2, 7:22 AM HSTFlash Flood WarningHFOKauai105 min
Mar 22, 9:42 AM HSTFlash Flood WarningHFOKauai5 hr
May 1, 9:42 PM HSTFlash Flood WarningHFOKalawao4 hr
Sep 9, 2:22 PM HSTFlash Flood WarningHFOKalawao3 hr
Oct 2, 9:03 AM HSTFlash Flood WarningHFOKauai102 min
Nov 17, 7:06 PM HSTFlash Flood WarningHFOKalawao5 hr
Nov 17, 9:02 PM HSTFlash Flood WarningHFOKalawao107 min
Nov 28, 8:05 PM HSTFlash Flood WarningHFOKalawao3 hr
Dec 18, 1:27 PM HSTFlash Flood WarningHFOKalawao3 hr
Dec 19, 11:04 AM HSTFlash Flood WarningHFOHawaii2 hr
Dec 19, 3:08 PM HSTFlash Flood WarningHFOHawaii3 hr
Dec 19, 3:59 PM HSTFlash Flood WarningHFOHawaii5 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. January 1, 20222flash flood warnings
  2. January 2, 20222flash flood warnings
  3. November 18, 20222flash flood warnings
  4. December 20, 20222flash flood warnings
  5. March 22, 20221flash flood warnings
  6. May 2, 20221flash flood warnings
  7. September 10, 20221flash flood warnings
  8. October 2, 20221flash flood warnings
  9. November 29, 20221flash flood warnings
  10. December 18, 20221flash flood warnings
  11. December 19, 20221flash flood 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. Rebuilt daily.