Alert archive / Hawaii / Areal Flood Advisories

Areal Flood Advisories in Hawaii, 2021

183 areal flood advisories in 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 areal flood advisories reaches back to 2005.

Areal Flood Advisories by county

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

Areal Flood Advisories: 183
Busiest month: March59 areal flood advisories
Busiest day: January 18, 202110 areal flood advisories

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.

Issued	Product	Office	Counties	Lasted
Jan 9, 6:51 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Jan 9, 8:17 PM HST	Areal Flood Advisory	HFO	Hawaii	82 min
Jan 13, 6:53 AM HST	Areal Flood Advisory	HFO	Kalawao	101 min
Jan 17, 4:37 PM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Jan 17, 7:07 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 17, 7:17 PM HST	Areal Flood Advisory	HFO	Kauai	2 hr
Jan 18, 12:06 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Jan 18, 3:03 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Jan 18, 5:16 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Jan 18, 8:53 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 18, 10:17 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Jan 18, 10:50 AM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Jan 18, 11:50 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Jan 18, 3:41 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 18, 5:54 PM HST	Areal Flood Advisory	HFO	Kalawao	5 hr
Jan 19, 5:38 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Jan 19, 10:55 AM HST	Areal Flood Advisory	HFO	Kauai	2 hr
Jan 20, 5:23 PM HST	Areal Flood Advisory	HFO	Hawaii	92 min
Jan 25, 2:09 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 25, 4:24 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 25, 7:26 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Jan 25, 1:48 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Jan 25, 6:40 PM HST	Areal Flood Advisory	HFO	Honolulu	2 hr
Jan 26, 12:39 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jan 26, 5:33 AM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 3, 5:10 AM HST	Areal Flood Advisory	HFO	Kauai	5 hr
Feb 3, 5:47 AM HST	Areal Flood Advisory	HFO	Honolulu	8 hr
Feb 3, 1:19 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Feb 4, 4:55 PM HST	Areal Flood Advisory	HFO	Hawaii	42 min
Feb 5, 2:39 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 9, 7:23 AM HST	Areal Flood Advisory	HFO	Hawaii	5 hr
Feb 17, 12:53 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Feb 18, 7:59 AM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Feb 18, 10:29 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Feb 18, 12:36 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 18, 8:40 PM HST	Areal Flood Advisory	HFO	Honolulu	97 min
Feb 19, 8:00 AM HST	Areal Flood Advisory	HFO	Kauai	5 hr
Feb 19, 11:40 AM HST	Areal Flood Advisory	HFO	Honolulu	86 min
Feb 26, 1:11 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 26, 2:29 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 27, 7:19 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Feb 27, 8:51 AM HST	Areal Flood Advisory	HFO	Kalawao	68 min
Feb 27, 10:08 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Feb 27, 1:06 PM HST	Areal Flood Advisory	HFO	Hawaii	12 hr
Feb 27, 1:51 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Feb 28, 4:25 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Feb 28, 8:38 PM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Mar 6, 6:35 AM HST	Areal Flood Advisory	HFO	Kauai	11 hr
Mar 7, 5:22 PM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Mar 8, 10:04 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 8, 1:09 PM HST	Areal Flood Advisory	HFO	Hawaii	12 hr
Mar 8, 9:32 PM HST	Areal Flood Advisory	HFO	Kalawao	33 min
Mar 8, 10:55 PM HST	Areal Flood Advisory	HFO	Kauai	6 hr
Mar 9, 5:02 AM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Mar 9, 8:05 AM HST	Areal Flood Advisory	HFO	Honolulu	28 min
Mar 9, 10:55 AM HST	Areal Flood Advisory	HFO	Hawaii	11 hr
Mar 9, 3:47 PM HST	Areal Flood Advisory	HFO	Kauai	43 min
Mar 9, 10:56 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 10, 1:02 AM HST	Areal Flood Advisory	HFO	Hawaii	4 hr
Mar 10, 9:06 AM HST	Areal Flood Advisory	HFO	Hawaii	115 min
Mar 10, 9:11 AM HST	Areal Flood Advisory	HFO	Kauai	9 hr
Mar 10, 1:09 PM HST	Areal Flood Advisory	HFO	Honolulu	36 min
Mar 10, 3:45 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 10, 4:13 PM HST	Areal Flood Advisory	HFO	Honolulu	2 hr
Mar 10, 4:30 PM HST	Areal Flood Advisory	HFO	Hawaii	2 hr
Mar 10, 4:58 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Mar 10, 9:27 PM HST	Areal Flood Advisory	HFO	Honolulu	86 min
Mar 11, 2:23 AM HST	Areal Flood Advisory	HFO	Honolulu	7 hr
Mar 11, 3:21 AM HST	Areal Flood Advisory	HFO	Kauai	9 hr
Mar 11, 1:39 PM HST	Areal Flood Advisory	HFO	Honolulu	43 min
Mar 11, 2:46 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 11, 6:09 PM HST	Areal Flood Advisory	HFO	Hawaii	99 min
Mar 11, 7:35 PM HST	Areal Flood Advisory	HFO	Honolulu	81 min
Mar 11, 8:54 PM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Mar 12, 2:42 AM HST	Areal Flood Advisory	HFO	Kauai	2 hr
Mar 12, 5:29 AM HST	Areal Flood Advisory	HFO	Honolulu	2 hr
Mar 12, 8:51 AM HST	Areal Flood Advisory	HFO	Kauai	2 hr
Mar 12, 11:22 AM HST	Areal Flood Advisory	HFO	Honolulu	68 min
Mar 12, 3:13 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 12, 5:46 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 12, 10:59 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 12, 11:01 PM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Mar 13, 3:23 AM HST	Areal Flood Advisory	HFO	Kalawao	119 min
Mar 13, 4:05 AM HST	Areal Flood Advisory	HFO	Kauai	2 hr
Mar 13, 4:43 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Mar 13, 10:31 AM HST	Areal Flood Advisory	HFO	Hawaii	7 hr
Mar 13, 12:38 PM HST	Areal Flood Advisory	HFO	Kauai	15 hr
Mar 13, 10:15 PM HST	Areal Flood Advisory	HFO	Kalawao	53 min
Mar 14, 10:25 AM HST	Areal Flood Advisory	HFO	Kalawao	60 min
Mar 14, 1:05 PM HST	Areal Flood Advisory	HFO	Honolulu	111 min
Mar 14, 2:21 PM HST	Areal Flood Advisory	HFO	Hawaii	114 min
Mar 14, 6:16 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Mar 15, 1:27 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Mar 15, 1:32 PM HST	Areal Flood Advisory	HFO	Kalawao	58 min
Mar 15, 5:13 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Mar 16, 6:19 AM HST	Areal Flood Advisory	HFO	Honolulu	6 hr
Mar 16, 4:30 PM HST	Areal Flood Advisory	HFO	Hawaii	53 min
Mar 16, 7:29 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 17, 3:53 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Mar 17, 6:57 PM HST	Areal Flood Advisory	HFO	Hawaii	97 min
Mar 20, 4:44 PM HST	Areal Flood Advisory	HFO	Hawaii	5 hr
Mar 22, 5:08 PM HST	Areal Flood Advisory	HFO	Hawaii	111 min
Mar 23, 1:39 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Mar 29, 4:15 PM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Apr 11, 2:22 PM HST	Areal Flood Advisory	HFO	Kalawao	78 min
Apr 11, 2:48 PM HST	Areal Flood Advisory	HFO	Honolulu	77 min
Apr 12, 1:06 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Apr 28, 3:19 PM HST	Areal Flood Advisory	HFO	Honolulu	4 hr
Apr 28, 6:35 PM HST	Areal Flood Advisory	HFO	Hawaii	75 min
May 3, 8:54 PM HST	Areal Flood Advisory	HFO	Hawaii	87 min
May 4, 4:30 PM HST	Areal Flood Advisory	HFO	Kalawao	100 min
May 6, 9:56 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Jun 19, 7:56 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jun 26, 6:50 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Jul 8, 7:38 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Aug 11, 10:36 AM HST	Areal Flood Advisory	HFO	Kauai	87 min
Aug 11, 4:55 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Aug 16, 3:58 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Aug 17, 12:36 PM HST	Areal Flood Advisory	HFO	Honolulu	5 hr
Aug 17, 4:06 PM HST	Areal Flood Advisory	HFO	Hawaii	52 min
Aug 23, 11:08 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Aug 23, 12:51 PM HST	Areal Flood Advisory	HFO	Hawaii	7 hr
Aug 23, 1:43 PM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Aug 23, 2:10 PM HST	Areal Flood Advisory	HFO	Honolulu	8 hr
Sep 2, 7:19 PM HST	Areal Flood Advisory	HFO	Hawaii	88 min
Sep 5, 2:25 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Sep 14, 4:37 PM HST	Areal Flood Advisory	HFO	Kalawao	57 min
Sep 15, 12:16 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Sep 15, 3:14 PM HST	Areal Flood Advisory	HFO	Honolulu	114 min
Sep 15, 8:43 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Sep 15, 11:25 PM HST	Areal Flood Advisory	HFO	Hawaii	2 hr
Sep 27, 5:57 PM HST	Areal Flood Advisory	HFO	Hawaii	2 hr
Oct 11, 7:19 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Oct 11, 11:16 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Oct 12, 2:09 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Nov 13, 8:38 PM HST	Areal Flood Advisory	HFO	Hawaii	105 min
Nov 14, 4:28 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Nov 16, 2:31 PM HST	Areal Flood Advisory	HFO	Hawaii	91 min
Nov 16, 8:00 PM HST	Areal Flood Advisory	HFO	Hawaii	85 min
Nov 17, 2:00 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Nov 17, 5:25 PM HST	Areal Flood Advisory	HFO	Hawaii	5 hr
Nov 29, 1:01 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Nov 30, 2:07 PM HST	Areal Flood Advisory	HFO	Honolulu	70 min
Dec 1, 5:13 PM HST	Areal Flood Advisory	HFO	Kalawao	2 hr
Dec 2, 3:24 PM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Dec 2, 4:02 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 3, 5:16 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 3, 1:32 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 3, 6:09 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 3, 9:06 PM HST	Areal Flood Advisory	HFO	Hawaii	92 min
Dec 3, 10:59 PM HST	Areal Flood Advisory	HFO	Hawaii	2 hr
Dec 4, 12:13 AM HST	Areal Flood Advisory	HFO	Kalawao	106 min
Dec 5, 4:33 AM HST	Areal Flood Advisory	HFO	Hawaii	111 min
Dec 5, 9:30 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Dec 5, 9:40 AM HST	Areal Flood Advisory	HFO	Honolulu	80 min
Dec 5, 11:51 AM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 5, 12:24 PM HST	Areal Flood Advisory	HFO	Kalawao	4 hr
Dec 5, 2:30 PM HST	Areal Flood Advisory	HFO	Hawaii	86 min
Dec 5, 3:18 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 5, 5:33 PM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Dec 6, 12:37 AM HST	Areal Flood Advisory	HFO	Hawaii	11 hr
Dec 6, 7:40 AM HST	Areal Flood Advisory	HFO	Honolulu	6 hr
Dec 6, 7:57 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Dec 6, 1:43 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 16, 8:16 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 16, 11:01 PM HST	Areal Flood Advisory	HFO	Kalawao	106 min
Dec 17, 1:43 AM HST	Areal Flood Advisory	HFO	Kalawao	2 hr
Dec 17, 7:03 AM HST	Areal Flood Advisory	HFO	Honolulu	89 min
Dec 17, 2:10 PM HST	Areal Flood Advisory	HFO	Kalawao	35 min
Dec 17, 2:32 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Dec 17, 3:55 PM HST	Areal Flood Advisory	HFO	Honolulu	2 hr
Dec 17, 7:15 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 20, 3:00 PM HST	Areal Flood Advisory	HFO	Hawaii	98 min
Dec 21, 1:22 PM HST	Areal Flood Advisory	HFO	Hawaii	4 hr
Dec 22, 12:21 AM HST	Areal Flood Advisory	HFO	Kalawao	10 hr
Dec 22, 3:05 AM HST	Areal Flood Advisory	HFO	Hawaii	11 hr
Dec 30, 3:04 PM HST	Areal Flood Advisory	HFO	Kalawao	3 hr
Dec 30, 3:42 PM HST	Areal Flood Advisory	HFO	Hawaii	3 hr
Dec 30, 7:34 PM HST	Areal Flood Advisory	HFO	Honolulu	55 min
Dec 31, 4:52 AM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Dec 31, 9:11 AM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Dec 31, 12:18 PM HST	Areal Flood Advisory	HFO	Kalawao	4 hr
Dec 31, 1:28 PM HST	Areal Flood Advisory	HFO	Kalawao	3 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.

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.