Weather alerts in Guam, 2023

177 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Alerts: 177
Warnings: 33
Watches: 10
Advisories: 108
Busiest month: January38 alerts
Busiest day: January 9, 20238 alerts

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 1, 11:45 PM CST	Beach Hazards Statement	GUM	48 hr
Jan 6, 11:03 PM CST	Flood Watch	GUM	47 hr
Jan 7, 1:03 AM CST	High Surf Advisory	GUM	61 hr
Jan 7, 2:34 PM CST	Rip Current Statement	GUM	47 hr
Jan 7, 8:28 PM CST	Areal Flood Advisory	GUM	62 min
Jan 7, 8:45 PM CST	Flash Flood Warning	GUM	60 min
Jan 7, 9:26 PM CST	Flash Flood Warning Considerable damage threat	GUM	64 min
Jan 7, 10:23 PM CST	Areal Flood Advisory	GUM	3 hr
Jan 8, 11:51 PM CST	Areal Flood Advisory	GUM	54 min
Jan 9, 12:12 AM CST	Flash Flood Warning	GUM	63 min
Jan 9, 12:13 AM CST	Areal Flood Advisory	GUM	2 hr
Jan 9, 1:01 AM CST	Flash Flood Warning	GUM	42 min
Jan 9, 1:47 AM CST	Rip Current Statement	GUM	6 days
Jan 9, 1:47 AM CST	High Surf Advisory	GUM	4 days
Jan 9, 2:27 AM CST	Areal Flood Advisory	GUM	2 hr
Jan 9, 7:08 AM CST	Areal Flood Advisory	GUM	112 min
Jan 10, 5:50 PM CST	Areal Flood Advisory	GUM	3 hr
Jan 10, 7:21 PM CST	Flash Flood Warning	GUM	54 min
Jan 10, 8:15 PM CST	Flash Flood Warning	GUM	60 min
Jan 10, 8:46 PM CST	Areal Flood Advisory	GUM	59 min
Jan 10, 9:36 PM CST	Areal Flood Advisory	GUM	114 min
Jan 11, 8:04 PM CST	Areal Flood Advisory	GUM	3 hr
Jan 11, 11:48 PM CST	High Surf Warning	GUM	49 hr
Jan 11, 11:48 PM CST	High Surf Advisory	GUM	4 days
Jan 11, 11:55 PM CST	Areal Flood Advisory	GUM	3 hr
Jan 12, 7:58 AM CST	Areal Flood Advisory	GUM	92 min
Jan 12, 8:53 PM CST	Areal Flood Advisory	GUM	3 hr
Jan 13, 3:40 PM CST	Areal Flood Advisory	GUM	65 min
Jan 13, 5:37 PM CST	Areal Flood Advisory	GUM	113 min
Jan 13, 8:54 PM CST	Areal Flood Advisory	GUM	63 min
Jan 13, 9:52 PM CST	Flash Flood Warning	GUM	3 hr
Jan 19, 3:05 PM CST	Rip Current Statement	GUM	10 days
Jan 25, 11:08 AM CST	High Surf Advisory	GUM	23 hr
Jan 26, 10:16 AM CST	High Surf Warning	GUM	12 hr
Jan 26, 10:16 AM CST	High Surf Advisory	GUM	40 hr
Jan 30, 3:20 AM CST	Rip Current Statement	GUM	15 hr
Jan 30, 3:20 AM CST	High Surf Advisory	GUM	15 hr
Jan 30, 11:59 PM CST	Rip Current Statement	GUM	24 days
Feb 15, 2:51 PM CST	Areal Flood Advisory	GUM	3 hr
Feb 16, 12:18 AM CST	High Surf Advisory	GUM	4 days
Feb 24, 12:15 PM CST	Rip Current Statement	GUM	24 hr
Feb 27, 12:40 PM CST	Rip Current Statement	GUM	7 days
Feb 27, 12:40 PM CST	High Surf Advisory	GUM	59 hr
Mar 4, 5:17 AM CST	High Surf Advisory	GUM	31 hr
Mar 12, 10:39 PM CDT	Areal Flood Advisory	GUM	111 min
Mar 17, 7:53 PM CDT	Rip Current Statement	GUM	23 hr
Mar 23, 1:32 PM CDT	Rip Current Statement	GUM	4 days
Apr 2, 11:55 PM CDT	Areal Flood Advisory	GUM	3 hr
Apr 3, 2:39 PM CDT	Rip Current Statement	GUM	4 days
Apr 3, 2:39 PM CDT	High Surf Advisory	GUM	4 days
Apr 6, 8:47 AM CDT	Areal Flood Advisory	GUM	3 hr
Apr 17, 12:44 PM CDT	Areal Flood Advisory	GUM	3 hr
Apr 17, 10:02 PM CDT	Rip Current Statement	GUM	51 hr
May 1, 12:06 AM CDT	Rip Current Statement	GUM	49 hr
May 19, 11:46 PM CDT	Typhoon Watch	GUM	5 days
May 21, 1:06 AM CDT	Rip Current Statement	GUM	20 hr
May 21, 1:06 AM CDT	High Surf Advisory	GUM	20 hr
May 21, 1:16 AM CDT	Flood Watch	GUM	5 days
May 21, 8:24 PM CDT	Typhoon Warning	GUM	3 days
May 22, 3:23 PM CDT	Areal Flood Advisory	GUM	3 hr
May 23, 5:45 AM CDT	Coastal Flood Warning	GUM	11 hr
May 23, 5:13 PM CDT	Coastal Flood Warning	GUM	28 hr
May 24, 12:01 AM CDT	Flash Flood Warning Considerable damage threat	GUM	17 hr
May 24, 2:22 AM CDT	Extreme Wind Warning	GUM	83 min
May 24, 3:34 AM CDT	Extreme Wind Warning	GUM	86 min
May 24, 5:42 AM CDT	Extreme Wind Warning	GUM	2 hr
May 24, 5:42 AM CDT	Extreme Wind Warning	GUM	2 hr
May 24, 1:28 PM CDT	Rip Current Statement	GUM	4 days
May 24, 1:28 PM CDT	High Surf Warning	GUM	48 hr
May 24, 7:32 PM CDT	Areal Flood Advisory	GUM	96 min
May 25, 1:41 AM CDT	Wind Advisory	GUM	11 hr
May 25, 6:44 AM CDT	Flash Flood Warning	GUM	3 hr
May 26, 1:10 PM CDT	High Surf Advisory	GUM	55 hr
May 29, 6:48 PM CDT	Areal Flood Advisory	GUM	28 min
May 29, 7:16 PM CDT	Flash Flood Warning	GUM	3 hr
May 29, 8:12 PM CDT	Flash Flood Warning	GUM	3 hr
May 29, 10:29 PM CDT	Areal Flood Advisory	GUM	5 hr
May 29, 10:42 PM CDT	Areal Flood Advisory	GUM	4 hr
May 29, 11:02 PM CDT	Flood Watch	GUM	3 days
May 30, 3:10 PM CDT	Areal Flood Advisory	GUM	3 hr
Jun 2, 1:06 PM CDT	Areal Flood Advisory	GUM	3 hr
Jun 2, 4:28 PM CDT	Areal Flood Advisory	GUM	3 hr
Jun 2, 7:30 PM CDT	Areal Flood Advisory	GUM	4 hr
Jun 2, 7:58 PM CDT	Flood Watch	GUM	29 hr
Jul 8, 12:33 AM CDT	Areal Flood Advisory	GUM	57 min
Jul 9, 1:37 AM CDT	Areal Flood Advisory	GUM	53 min
Jul 9, 2:35 AM CDT	Areal Flood Advisory	GUM	55 min
Jul 9, 6:30 AM CDT	Areal Flood Advisory	GUM	60 min
Jul 9, 9:48 AM CDT	Flood Watch	GUM	53 hr
Jul 10, 8:18 PM CDT	Areal Flood Advisory	GUM	4 hr
Jul 12, 7:53 AM CDT	Areal Flood Advisory	GUM	112 min
Jul 24, 7:16 AM CDT	Areal Flood Advisory	GUM	119 min
Jul 25, 12:37 AM CDT	Flood Watch	GUM	4 days
Jul 25, 1:56 AM CDT	Areal Flood Advisory	GUM	3 hr
Jul 26, 2:49 AM CDT	Rip Current Statement	GUM	24 hr
Jul 26, 2:49 AM CDT	High Surf Advisory	GUM	24 hr
Jul 26, 9:26 AM CDT	Areal Flood Advisory	GUM	2 hr
Jul 26, 11:44 AM CDT	Areal Flood Advisory	GUM	2 hr
Jul 26, 2:36 PM CDT	Areal Flood Advisory	GUM	114 min
Jul 28, 10:20 PM CDT	Areal Flood Advisory	GUM	3 hr
Jul 29, 9:41 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 2, 12:39 AM CDT	Areal Flood Advisory	GUM	111 min
Aug 7, 8:48 PM CDT	Areal Flood Advisory	GUM	88 min
Aug 7, 8:58 PM CDT	Flash Flood Warning	GUM	76 min
Aug 8, 12:04 AM CDT	Areal Flood Advisory	GUM	56 min
Aug 8, 12:51 AM CDT	Areal Flood Advisory	GUM	54 min
Aug 8, 1:41 AM CDT	Flash Flood Warning Considerable damage threat	GUM	36 min
Aug 8, 5:04 AM CDT	Areal Flood Advisory	GUM	56 min
Aug 8, 9:40 PM CDT	Areal Flood Advisory	GUM	4 hr
Aug 9, 1:07 AM CDT	Rip Current Statement	GUM	3 days
Aug 9, 1:07 AM CDT	High Surf Advisory	GUM	3 days
Aug 10, 7:14 AM CDT	Areal Flood Advisory	GUM	3 hr
Aug 10, 1:37 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 10, 7:19 PM CDT	Areal Flood Advisory	GUM	4 hr
Aug 11, 12:19 AM CDT	Areal Flood Advisory	GUM	4 hr
Aug 11, 2:35 AM CDT	Areal Flood Advisory	GUM	4 hr
Aug 11, 10:02 PM CDT	Areal Flood Advisory	GUM	118 min
Aug 12, 3:18 AM CDT	Areal Flood Advisory	GUM	57 min
Aug 12, 3:34 AM CDT	Flash Flood Warning	GUM	56 min
Aug 12, 4:18 AM CDT	Areal Flood Advisory	GUM	57 min
Aug 12, 6:45 AM CDT	Areal Flood Advisory	GUM	2 hr
Aug 12, 10:09 AM CDT	Areal Flood Advisory	GUM	3 hr
Aug 16, 12:36 AM CDT	Areal Flood Advisory	GUM	114 min
Aug 21, 1:25 AM CDT	Areal Flood Advisory	GUM	68 min
Aug 23, 1:43 AM CDT	Areal Flood Advisory	GUM	62 min
Aug 25, 3:37 AM CDT	Rip Current Statement	GUM	3 days
Aug 25, 3:37 AM CDT	High Surf Advisory	GUM	3 days
Aug 27, 12:50 AM CDT	High Wind Watch	GUM	15 hr
Aug 27, 3:46 PM CDT	Wind Advisory	GUM	10 hr
Aug 29, 12:32 AM CDT	Areal Flood Advisory	GUM	2 hr
Aug 30, 1:38 AM CDT	Areal Flood Advisory	GUM	3 hr
Aug 30, 4:59 AM CDT	Areal Flood Advisory	GUM	2 hr
Aug 30, 11:43 PM CDT	Areal Flood Advisory	GUM	2 hr
Aug 31, 1:48 AM CDT	Areal Flood Advisory	GUM	2 hr
Aug 31, 2:11 AM CDT	Flash Flood Warning	GUM	27 min
Aug 31, 2:40 AM CDT	Flash Flood Warning	GUM	3 hr
Sep 7, 4:10 PM CDT	Areal Flood Advisory	GUM	3 hr
Sep 7, 5:46 PM CDT	Areal Flood Advisory	GUM	119 min
Sep 7, 9:42 PM CDT	Areal Flood Advisory	GUM	2 hr
Sep 7, 10:17 PM CDT	Flash Flood Warning	GUM	58 min
Sep 8, 1:24 AM CDT	Areal Flood Advisory	GUM	3 hr
Sep 8, 8:40 AM CDT	Areal Flood Advisory	GUM	6 hr
Sep 8, 10:34 AM CDT	Areal Flood Advisory	GUM	4 hr
Sep 13, 1:39 AM CDT	Areal Flood Advisory	GUM	111 min
Sep 20, 10:29 AM CDT	Areal Flood Advisory	GUM	3 hr
Sep 21, 5:06 AM CDT	Areal Flood Advisory	GUM	114 min
Sep 21, 6:14 AM CDT	Areal Flood Advisory	GUM	3 hr
Sep 23, 8:11 PM CDT	Areal Flood Advisory	GUM	2 hr
Sep 23, 11:11 PM CDT	Areal Flood Advisory	GUM	49 min
Sep 26, 2:13 PM CDT	Areal Flood Advisory	GUM	6 hr
Sep 27, 12:24 AM CDT	Areal Flood Advisory	GUM	51 min
Sep 30, 1:54 AM CDT	Areal Flood Advisory	GUM	43 min
Oct 4, 11:01 AM CDT	Areal Flood Advisory	GUM	59 min
Oct 4, 12:03 PM CDT	Areal Flood Advisory	GUM	117 min
Oct 4, 1:02 PM CDT	Flash Flood Warning	GUM	58 min
Oct 7, 6:34 PM CDT	Typhoon Watch	GUM	72 hr
Oct 7, 6:41 PM CDT	Flood Watch	GUM	3 days
Oct 8, 5:56 PM CDT	Tropical Storm Warning	GUM	48 hr
Oct 9, 10:16 PM CDT	Flash Flood Warning	GUM	9 hr
Oct 9, 11:50 PM CDT	High Surf Warning	GUM	28 hr
Oct 10, 5:50 PM CDT	Hurricane Local Statement	GUM	7 hr
Oct 10, 6:15 PM CDT	High Surf Advisory	GUM	4 days
Oct 12, 6:38 PM CDT	Areal Flood Advisory	GUM	3 hr
Oct 13, 5:42 AM CDT	Rip Current Statement	GUM	68 hr
Oct 14, 5:26 AM CDT	Areal Flood Advisory	GUM	3 hr
Oct 14, 6:21 AM CDT	Flash Flood Warning	GUM	3 hr
Oct 14, 11:33 PM CDT	High Surf Warning	GUM	15 hr
Oct 15, 2:03 AM CDT	High Surf Advisory	GUM	23 hr
Nov 10, 2:08 AM CST	Rip Current Statement	GUM	72 hr
Nov 14, 1:49 PM CST	Rip Current Statement	GUM	48 hr
Nov 16, 10:48 PM CST	Rip Current Statement	GUM	50 hr
Nov 17, 10:13 AM CST	Areal Flood Advisory	GUM	2 hr
Nov 24, 11:01 PM CST	Rip Current Statement	GUM	11 days
Dec 12, 11:33 PM CST	Rip Current Statement	GUM	15 days
Dec 22, 11:24 PM CST	High Surf Advisory	GUM	49 hr
Dec 27, 11:12 PM CST	Rip Current Statement	GUM	4 days
Dec 31, 6:29 AM CST	Areal Flood Advisory	GUM	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
Extreme Wind Warning	4
Flooding
Flash Flood Warning	20
Flood Watch	7
Areal Flood Advisory	88
Wind and dust
High Wind Watch	1
Wind Advisory	2
Tropical
Tropical Storm Warning	1
Typhoon Warning	1
Typhoon Watch	2
Hurricane Local Statement	1
Coast and beach
Coastal Flood Warning	2
High Surf Warning	5
High Surf Advisory	18
Beach Hazards Statement	1
Rip Current Statement	24

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

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.