Alert archive / Hawaii / Honolulu County

Weather alerts in Honolulu County, Hawaii, 2021

114 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Honolulu County and its neighbors

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

Alerts: 114
Warnings: 21
Watches: 9
Advisories: 77
Busiest month: March35 alerts
Busiest day: March 9, 20218 alerts

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	Lasted
Jan 2, 3:21 AM HST	High Surf Advisory	HFO	12 hr
Jan 4, 4:37 AM HST	High Surf Advisory	HFO	4 days
Jan 9, 3:32 AM HST	High Surf Advisory	HFO	48 hr
Jan 10, 3:26 AM HST	High Surf Warning	HFO	24 hr
Jan 11, 3:38 AM HST	High Surf Advisory	HFO	36 hr
Jan 13, 3:07 PM HST	High Surf Warning	HFO	36 hr
Jan 14, 3:44 AM HST	High Surf Advisory	HFO	48 hr
Jan 15, 10:00 AM HST	High Surf Warning	HFO	4 days
Jan 16, 5:23 AM HST	High Surf Advisory	HFO	4 days
Jan 17, 3:04 AM HST	Flash Flood Watch	HFO	3 days
Jan 17, 3:37 PM HST	Wind Advisory	HFO	48 hr
Jan 18, 10:17 AM HST	Areal Flood Advisory	HFO	3 hr
Jan 19, 5:38 AM HST	Areal Flood Advisory	HFO	3 hr
Jan 22, 3:33 PM HST	Wind Advisory	HFO	36 hr
Jan 22, 4:19 PM HST	High Surf Advisory	HFO	7 days
Jan 24, 8:46 AM HST	Flash Flood Watch	HFO	55 hr
Jan 25, 1:48 PM HST	Areal Flood Advisory	HFO	3 hr
Jan 25, 3:45 PM HST	Flash Flood Warning	HFO	3 hr
Jan 25, 6:40 PM HST	Areal Flood Advisory	HFO	2 hr
Feb 3, 1:44 AM HST	Wind Advisory	HFO	19 hr
Feb 3, 5:47 AM HST	Areal Flood Advisory	HFO	8 hr
Feb 3, 7:58 AM HST	Special Weather Statement	HFO	62 min
Feb 3, 4:34 PM HST	High Surf Warning	HFO	47 hr
Feb 4, 3:31 AM HST	High Surf Advisory	HFO	59 hr
Feb 8, 3:49 PM HST	High Surf Advisory	HFO	35 hr
Feb 10, 3:31 AM HST	Tsunami Watch	HEB	169 days
Feb 12, 3:37 AM HST	High Surf Warning	HFO	48 hr
Feb 13, 4:06 AM HST	High Surf Advisory	HFO	3 days
Feb 16, 9:30 AM HST	Flash Flood Watch	HFO	66 hr
Feb 18, 8:40 PM HST	Areal Flood Advisory	HFO	97 min
Feb 19, 11:40 AM HST	Areal Flood Advisory	HFO	86 min
Feb 22, 3:55 AM HST	High Surf Advisory	HFO	12 hr
Feb 22, 3:55 AM HST	High Surf Advisory	HFO	12 hr
Feb 22, 3:55 AM HST	High Surf Advisory	HFO	9 days
Feb 27, 10:08 AM HST	Areal Flood Advisory	HFO	3 hr
Feb 28, 3:15 AM HST	Wind Advisory	HFO	65 hr
Mar 7, 11:20 AM HST	Flash Flood Watch	HFO	8 days
Mar 7, 3:55 PM HST	High Surf Advisory	HFO	24 hr
Mar 8, 8:07 PM HST	High Surf Advisory	HFO	19 hr
Mar 9, 5:02 AM HST	Areal Flood Advisory	HFO	3 hr
Mar 9, 8:05 AM HST	Areal Flood Advisory	HFO	28 min
Mar 9, 8:22 AM HST	Special Weather Statement	HFO	53 min
Mar 9, 8:33 AM HST	Flash Flood Warning	HFO	117 min
Mar 9, 9:15 AM HST	Special Weather Statement	HFO	30 min
Mar 9, 9:59 AM HST	Special Weather Statement	HFO	61 min
Mar 9, 10:31 AM HST	Flash Flood Warning	HFO	6 hr
Mar 9, 3:21 PM HST	Flash Flood Warning EmergencyConsiderable damage threat	HFO	9 hr
Mar 10, 10:11 AM HST	High Surf Advisory	HFO	29 hr
Mar 10, 1:09 PM HST	Areal Flood Advisory	HFO	36 min
Mar 10, 1:45 PM HST	Flash Flood Warning	HFO	3 hr
Mar 10, 2:36 PM HST	Flash Flood Warning	HFO	97 min
Mar 10, 4:13 PM HST	Areal Flood Advisory	HFO	2 hr
Mar 10, 4:58 PM HST	Areal Flood Advisory	HFO	3 hr
Mar 10, 6:22 PM HST	Flash Flood Warning	HFO	5 hr
Mar 10, 9:27 PM HST	Areal Flood Advisory	HFO	86 min
Mar 11, 2:23 AM HST	Areal Flood Advisory	HFO	7 hr
Mar 11, 1:39 PM HST	Areal Flood Advisory	HFO	43 min
Mar 11, 2:22 PM HST	Flash Flood Warning	HFO	2 hr
Mar 11, 4:15 PM HST	Flash Flood Warning	HFO	3 hr
Mar 11, 7:35 PM HST	Areal Flood Advisory	HFO	81 min
Mar 12, 5:29 AM HST	Areal Flood Advisory	HFO	2 hr
Mar 12, 11:22 AM HST	Areal Flood Advisory	HFO	68 min
Mar 12, 4:08 PM HST	Flash Flood Warning	HFO	3 hr
Mar 12, 4:16 PM HST	High Surf Advisory	HFO	3 days
Mar 14, 1:05 PM HST	Areal Flood Advisory	HFO	111 min
Mar 15, 1:27 PM HST	Areal Flood Advisory	HFO	3 hr
Mar 15, 1:50 PM HST	Flash Flood Warning	HFO	3 hr
Mar 15, 2:28 PM HST	Flash Flood Warning	HFO	4 hr
Mar 16, 3:41 AM HST	High Surf Advisory	HFO	6 days
Mar 16, 6:19 AM HST	Areal Flood Advisory	HFO	6 hr
Mar 19, 3:28 PM HST	Wind Advisory	HFO	53 hr
Apr 5, 3:23 PM HST	High Surf Advisory	HFO	3 days
Apr 11, 2:48 PM HST	Areal Flood Advisory	HFO	77 min
Apr 28, 3:19 PM HST	Areal Flood Advisory	HFO	4 hr
Apr 30, 3:34 PM HST	High Surf Advisory	HFO	18 hr
May 5, 9:17 AM HST	Flash Flood Watch	HFO	54 hr
May 6, 9:56 PM HST	Areal Flood Advisory	HFO	3 hr
May 24, 3:09 PM HST	Coastal Flood Statement	HFO	4 days
Jun 20, 4:34 PM HST	High Surf Advisory	HFO	23 hr
Jul 4, 3:22 PM HST	High Surf Advisory	HFO	3 days
Aug 16, 3:30 PM HST	High Surf Advisory	HFO	60 hr
Aug 17, 12:36 PM HST	Areal Flood Advisory	HFO	5 hr
Aug 20, 2:39 PM HST	Flash Flood Watch	HFO	4 days
Aug 21, 4:01 PM HST	High Surf Advisory	HFO	59 hr
Aug 22, 1:48 PM HST	Wind Advisory	HFO	37 hr
Aug 23, 2:10 PM HST	Areal Flood Advisory	HFO	8 hr
Sep 15, 12:16 PM HST	Areal Flood Advisory	HFO	3 hr
Sep 15, 3:14 PM HST	Areal Flood Advisory	HFO	114 min
Sep 24, 5:57 AM HST	High Surf Advisory	HFO	22 hr
Oct 7, 3:33 PM HST	Wind Advisory	HFO	3 days
Oct 8, 3:30 PM HST	High Surf Advisory	HFO	3 days
Oct 30, 3:27 PM HST	High Surf Advisory	HFO	48 hr
Nov 1, 3:33 PM HST	High Surf Warning	HFO	36 hr
Nov 3, 3:17 AM HST	High Surf Advisory	HFO	24 hr
Nov 14, 3:42 AM HST	Flood Watch	HFO	23 hr
Nov 24, 3:29 PM HST	High Surf Advisory	HFO	60 hr
Nov 28, 1:53 PM HST	Wind Advisory	HFO	26 hr
Nov 30, 2:07 PM HST	Areal Flood Advisory	HFO	70 min
Dec 2, 3:04 PM HST	Flood Watch	HFO	5 days
Dec 3, 9:08 AM HST	High Surf Warning	HFO	66 hr
Dec 3, 9:08 AM HST	High Surf Advisory	HFO	66 hr
Dec 4, 3:09 PM HST	Wind Advisory	HFO	55 hr
Dec 5, 9:40 AM HST	Areal Flood Advisory	HFO	80 min
Dec 5, 3:35 PM HST	Coastal Flood Statement	HFO	42 hr
Dec 6, 3:37 AM HST	High Surf Advisory	HFO	12 hr
Dec 6, 7:40 AM HST	Areal Flood Advisory	HFO	6 hr
Dec 6, 1:12 PM HST	Special Weather Statement	HFO	63 min
Dec 6, 1:16 PM HST	Flash Flood Warning	HFO	15 hr
Dec 17, 7:03 AM HST	Areal Flood Advisory	HFO	89 min
Dec 17, 2:32 PM HST	Areal Flood Advisory	HFO	3 hr
Dec 17, 3:55 PM HST	Areal Flood Advisory	HFO	2 hr
Dec 20, 3:08 PM HST	High Surf Advisory	HFO	5 days
Dec 30, 7:34 PM HST	Areal Flood Advisory	HFO	55 min
Dec 30, 8:29 PM HST	Flash Flood Warning	HFO	3 hr

By product

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

Product	Alerts
Severe storms
Special Weather Statement	5
Flooding
Flash Flood Warning	14
Flash Flood Watch	6
Flood Watch	2
Areal Flood Advisory	36
Wind and dust
Wind Advisory	9
Coast and beach
High Surf Warning	7
Tsunami Watch	1
High Surf Advisory	32
Coastal Flood Statement	2

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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. Rebuilt daily.