Alert archive / Hawaii / Honolulu County / Flash Flood Warnings

Flash Flood Warnings in Honolulu County, Hawaii, 2021

14 flash flood warnings in 2021. An alert counts here when it covered this county. The archive of flash flood warnings reaches back to 1986.

Honolulu County and its neighbors

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

Flash Flood Warnings
14
Busiest month
March11 flash flood warnings
Busiest day
March 9, 20212 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.

IssuedProductOfficeLasted
Jan 25, 3:45 PM HSTFlash Flood WarningHFO3 hr
Mar 9, 8:33 AM HSTFlash Flood WarningHFO117 min
Mar 9, 10:31 AM HSTFlash Flood WarningHFO6 hr
Mar 9, 3:21 PM HSTFlash Flood Warning EmergencyConsiderable damage threatHFO9 hr
Mar 10, 1:45 PM HSTFlash Flood WarningHFO3 hr
Mar 10, 2:36 PM HSTFlash Flood WarningHFO97 min
Mar 10, 6:22 PM HSTFlash Flood WarningHFO5 hr
Mar 11, 2:22 PM HSTFlash Flood WarningHFO2 hr
Mar 11, 4:15 PM HSTFlash Flood WarningHFO3 hr
Mar 12, 4:08 PM HSTFlash Flood WarningHFO3 hr
Mar 15, 1:50 PM HSTFlash Flood WarningHFO3 hr
Mar 15, 2:28 PM HSTFlash Flood WarningHFO4 hr
Dec 6, 1:16 PM HSTFlash Flood WarningHFO15 hr
Dec 30, 8:29 PM HSTFlash Flood WarningHFO3 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 9, 20212flash flood warnings
  2. March 10, 20212flash flood warnings
  3. March 11, 20212flash flood warnings
  4. March 12, 20212flash flood warnings
  5. January 26, 20211flash flood warnings
  6. March 13, 20211flash flood warnings
  7. March 15, 20211flash flood warnings
  8. March 16, 20211flash flood warnings
  9. December 6, 20211flash flood warnings
  10. December 31, 20211flash flood warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe 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. Rebuilt daily.