Weather alerts in Guam, 2019

165 weather alerts in 2019, 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: 165
Warnings: 40
Watches: 21
Advisories: 84
Busiest month: October30 alerts
Busiest day: November 27, 20198 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 4, 4:20 AM CST	Beach Hazards Statement	GUM	19 days
Jan 8, 11:51 AM CST	Small Craft Advisory for Winds	GUM	48 hr
Jan 9, 1:08 AM CST	High Surf Advisory	GUM	34 hr
Jan 11, 10:50 PM CST	High Surf Advisory	GUM	27 hr
Jan 14, 2:04 AM CST	Small Craft Advisory	GUM	7 days
Jan 15, 12:45 PM CST	High Surf Advisory	GUM	59 hr
Jan 18, 11:32 PM CST	High Surf Advisory	GUM	48 hr
Jan 27, 12:55 AM CST	Small Craft Advisory	GUM	11 days
Jan 27, 11:58 PM CST	Rip Current Statement	GUM	30 days
Jan 27, 11:58 PM CST	High Surf Advisory	GUM	24 hr
Jan 28, 11:50 PM CST	High Surf Warning	GUM	23 hr
Jan 28, 11:50 PM CST	High Surf Advisory	GUM	4 days
Feb 3, 11:28 PM CST	High Surf Advisory	GUM	16 hr
Feb 4, 11:31 PM CST	High Surf Advisory	GUM	26 hr
Feb 12, 6:37 PM CST	Small Craft Advisory	GUM	29 hr
Feb 17, 1:50 PM CST	Small Craft Advisory	GUM	4 days
Feb 20, 12:21 AM CST	High Surf Advisory	GUM	23 hr
Feb 20, 2:23 PM CST	High Surf Advisory	GUM	35 hr
Feb 20, 5:11 PM CST	Tropical Storm Watch	GUM	3 days
Feb 21, 12:35 AM CST	Flash Flood Watch	GUM	72 hr
Feb 21, 9:03 PM CST	Tropical Storm Warning	GUM	51 hr
Feb 22, 1:06 AM CST	High Surf Warning	GUM	59 hr
Feb 22, 1:06 AM CST	High Surf Advisory	GUM	5 days
Feb 22, 1:29 AM CST	Small Craft Advisory	GUM	4 days
Feb 22, 1:29 AM CST	Hazardous Seas Warning	GUM	59 hr
Feb 22, 2:12 PM CST	Areal Flood Advisory	GUM	3 hr
Feb 22, 5:06 PM CST	Areal Flood Advisory	GUM	3 hr
Feb 22, 6:32 PM CST	Flash Flood Warning	GUM	8 hr
Feb 23, 12:57 AM CST	Areal Flood Advisory	GUM	2 hr
Feb 23, 2:24 AM CST	Flash Flood Warning	GUM	8 hr
Feb 23, 2:36 AM CST	Areal Flood Advisory	GUM	8 hr
Feb 23, 10:59 PM CST	Hurricane Local Statement	GUM	63 hr
Feb 28, 1:44 AM CST	Beach Hazards Statement	GUM	60 hr
Mar 2, 2:21 PM CST	Beach Hazards Statement	GUM	32 hr
Mar 7, 5:24 PM CST	Fire Weather Watch	GUM	3 days
Mar 14, 1:00 PM CDT	Rip Current Statement	GUM	6 days
Mar 14, 1:45 PM CDT	Small Craft Advisory	GUM	23 hr
Mar 27, 11:41 PM CDT	Fire Weather Watch	GUM	44 hr
Mar 29, 7:28 PM CDT	Fire Weather Watch	GUM	25 hr
Mar 29, 7:28 PM CDT	Red Flag Warning	GUM	8 hr
Mar 30, 8:10 PM CDT	Fire Weather Watch	GUM	32 hr
Mar 30, 8:10 PM CDT	Red Flag Warning	GUM	7 hr
Apr 16, 7:15 PM CDT	Red Flag Warning	GUM	9 hr
Apr 22, 12:31 AM CDT	Fire Weather Watch	GUM	23 hr
Apr 22, 11:16 PM CDT	Fire Weather Watch	GUM	18 hr
Apr 22, 11:16 PM CDT	Red Flag Warning	GUM	6 hr
Apr 23, 4:53 PM CDT	Fire Weather Watch	GUM	26 hr
Apr 23, 4:53 PM CDT	Red Flag Warning	GUM	12 hr
Apr 24, 7:09 PM CDT	Fire Weather Watch	GUM	36 hr
Apr 24, 7:09 PM CDT	Red Flag Warning	GUM	10 hr
Apr 28, 11:35 PM CDT	Red Flag Warning	GUM	5 hr
May 16, 10:47 PM CDT	Areal Flood Advisory	GUM	5 hr
May 20, 6:07 PM CDT	Areal Flood Advisory	GUM	3 hr
May 23, 12:22 AM CDT	Areal Flood Advisory	GUM	53 min
May 23, 1:21 AM CDT	Areal Flood Advisory	GUM	54 min
May 23, 2:16 AM CDT	Areal Flood Advisory	GUM	59 min
Jul 15, 12:49 AM CDT	High Surf Advisory	GUM	38 hr
Jul 17, 2:14 AM CDT	Rip Current Statement	GUM	35 hr
Jul 17, 2:14 AM CDT	High Surf Advisory	GUM	35 hr
Jul 24, 1:16 AM CDT	Beach Hazards Statement	GUM	4 days
Jul 25, 10:09 PM CDT	Areal Flood Advisory	GUM	66 min
Jul 27, 9:59 PM CDT	Areal Flood Advisory	GUM	61 min
Jul 30, 12:29 AM CDT	Areal Flood Advisory	GUM	3 hr
Aug 1, 4:08 PM CDT	Areal Flood Advisory	GUM	6 hr
Aug 2, 3:17 PM CDT	Small Craft Advisory	GUM	11 days
Aug 2, 3:18 PM CDT	High Surf Advisory	GUM	6 days
Aug 3, 5:59 PM CDT	Areal Flood Advisory	GUM	4 hr
Aug 3, 8:25 PM CDT	Special Marine Warning	GUM	95 min
Aug 3, 11:34 PM CDT	Special Marine Warning	GUM	116 min
Aug 4, 3:59 PM CDT	Flash Flood Warning	GUM	3 hr
Aug 4, 8:24 PM CDT	Flash Flood Warning	GUM	3 hr
Aug 5, 3:43 AM CDT	Areal Flood Advisory	GUM	6 hr
Aug 5, 1:20 PM CDT	Flash Flood Watch	GUM	35 hr
Aug 5, 3:04 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 5, 3:43 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 5, 7:07 PM CDT	Special Marine Warning	GUM	98 min
Aug 6, 12:26 AM CDT	Special Marine Warning	GUM	64 min
Aug 9, 2:20 AM CDT	High Surf Warning	GUM	4 days
Aug 9, 2:20 AM CDT	High Surf Advisory	GUM	6 days
Aug 12, 1:44 AM CDT	Rip Current Statement	GUM	70 hr
Aug 25, 10:33 PM CDT	Areal Flood Advisory	GUM	57 min
Sep 10, 2:52 AM CDT	Rip Current Statement	GUM	7 days
Sep 10, 2:52 AM CDT	High Surf Advisory	GUM	60 hr
Sep 10, 2:53 AM CDT	Small Craft Advisory	GUM	6 days
Sep 10, 6:53 PM CDT	Areal Flood Advisory	GUM	3 hr
Sep 12, 2:53 PM CDT	High Surf Warning	GUM	10 hr
Sep 12, 2:53 PM CDT	High Surf Advisory	GUM	5 days
Sep 14, 3:05 PM CDT	Flash Flood Watch	GUM	23 hr
Sep 14, 4:31 PM CDT	Areal Flood Advisory	GUM	119 min
Sep 14, 6:50 PM CDT	Areal Flood Advisory	GUM	3 hr
Sep 14, 9:52 PM CDT	Areal Flood Advisory	GUM	3 hr
Sep 14, 9:52 PM CDT	Flash Flood Warning	GUM	5 hr
Sep 15, 12:52 AM CDT	Areal Flood Advisory	GUM	6 hr
Sep 15, 2:47 AM CDT	Flash Flood Warning	GUM	4 hr
Sep 15, 6:40 AM CDT	Areal Flood Advisory	GUM	6 hr
Sep 29, 3:25 PM CDT	Areal Flood Advisory	GUM	2 hr
Oct 1, 10:49 PM CDT	Areal Flood Advisory	GUM	116 min
Oct 5, 6:09 AM CDT	Tropical Storm Watch	GUM	21 days
Oct 5, 11:38 PM CDT	Tropical Storm Warning	GUM	49 hr
Oct 5, 11:38 PM CDT	Typhoon Watch	GUM	6 hr
Oct 6, 5:52 AM CDT	Typhoon Warning	GUM	47 hr
Oct 6, 7:32 AM CDT	Flash Flood Watch	GUM	40 hr
Oct 6, 10:45 PM CDT	Flash Flood Warning	GUM	5 hr
Oct 7, 4:02 AM CDT	Flash Flood Warning	GUM	4 hr
Oct 7, 4:30 AM CDT	Areal Flood Advisory	GUM	5 hr
Oct 7, 8:38 AM CDT	Flash Flood Warning	GUM	3 hr
Oct 7, 3:02 PM CDT	Areal Flood Advisory	GUM	3 hr
Oct 7, 8:29 PM CDT	Small Craft Advisory	GUM	64 hr
Oct 7, 8:35 PM CDT	High Surf Warning	GUM	41 hr
Oct 7, 8:35 PM CDT	High Surf Advisory	GUM	7 days
Oct 8, 3:21 AM CDT	Hazardous Seas Warning	GUM	12 hr
Oct 8, 3:23 PM CDT	Small Craft Advisory	GUM	52 hr
Oct 8, 3:23 PM CDT	Hazardous Seas Warning	GUM	22 hr
Oct 9, 2:53 AM CDT	High Surf Advisory	GUM	5 days
Oct 18, 6:38 PM CDT	Areal Flood Advisory	GUM	3 hr
Oct 18, 6:38 PM CDT	Areal Flood Advisory	GUM	3 hr
Oct 19, 5:40 AM CDT	Tropical Storm Watch	GUM	38 hr
Oct 19, 5:40 AM CDT	Typhoon Watch	GUM	45 hr
Oct 20, 1:55 AM CDT	Typhoon Warning	GUM	44 hr
Oct 20, 6:03 AM CDT	Flash Flood Watch	GUM	39 hr
Oct 20, 7:35 PM CDT	Small Craft Advisory	GUM	31 hr
Oct 21, 3:03 AM CDT	Rip Current Statement	GUM	34 hr
Oct 21, 3:03 AM CDT	High Surf Warning	GUM	12 hr
Oct 21, 3:03 AM CDT	High Surf Advisory	GUM	34 hr
Oct 29, 3:18 PM CDT	Rip Current Statement	GUM	34 hr
Oct 29, 3:18 PM CDT	High Surf Advisory	GUM	34 hr
Nov 7, 12:43 PM CST	Areal Flood Advisory	GUM	3 hr
Nov 14, 1:20 AM CST	Rip Current Statement	GUM	19 hr
Nov 14, 1:20 AM CST	High Surf Advisory	GUM	19 hr
Nov 21, 2:31 PM CST	Small Craft Advisory	GUM	4 days
Nov 22, 12:27 AM CST	Wind Advisory	GUM	27 hr
Nov 22, 2:14 AM CST	Rip Current Statement	GUM	22 hr
Nov 23, 12:01 AM CST	High Surf Advisory	GUM	3 days
Nov 23, 2:35 PM CST	Hazardous Seas Watch	GUM	50 hr
Nov 23, 2:48 PM CST	Gale Watch	GUM	35 hr
Nov 23, 2:48 PM CST	Small Craft Advisory	GUM	50 hr
Nov 24, 2:37 PM CST	Wind Advisory	GUM	71 hr
Nov 25, 1:52 AM CST	Gale Warning	GUM	15 hr
Nov 25, 4:27 PM CST	Tropical Storm Warning	GUM	22 days
Nov 25, 4:50 PM CST	High Surf Warning	GUM	45 hr
Nov 25, 4:50 PM CST	High Surf Advisory	GUM	45 hr
Nov 26, 3:16 AM CST	Flash Flood Watch	GUM	32 hr
Nov 26, 12:16 PM CST	Flash Flood Warning	GUM	4 hr
Nov 26, 4:49 PM CST	Areal Flood Advisory	GUM	116 min
Nov 26, 7:12 PM CST	Areal Flood Advisory	GUM	3 hr
Nov 26, 7:51 PM CST	Hazardous Seas Warning	GUM	18 hr
Nov 26, 8:13 PM CST	Flash Flood Warning	GUM	2 hr
Nov 26, 10:09 PM CST	Areal Flood Advisory	GUM	4 hr
Nov 27, 2:07 AM CST	Areal Flood Advisory	GUM	6 hr
Nov 27, 1:43 PM CST	Small Craft Advisory	GUM	46 hr
Nov 27, 2:15 PM CST	High Surf Warning	GUM	12 hr
Nov 27, 2:15 PM CST	High Surf Advisory	GUM	45 hr
Nov 30, 6:45 PM CST	High Surf Advisory	GUM	25 hr
Nov 30, 7:03 PM CST	Small Craft Advisory	GUM	52 hr
Dec 2, 12:19 AM CST	Rip Current Statement	GUM	37 hr
Dec 5, 2:24 PM CST	Rip Current Statement	GUM	59 hr
Dec 6, 2:14 PM CST	Small Craft Advisory	GUM	11 hr
Dec 13, 8:51 PM CST	Small Craft Advisory	GUM	9 days
Dec 13, 11:27 PM CST	Rip Current Statement	GUM	9 days
Dec 20, 12:04 AM CST	Wind Advisory	GUM	32 hr
Dec 25, 2:38 PM CST	Rip Current Statement	GUM	9 hr
Dec 25, 2:38 PM CST	Rip Current Statement	GUM	4 days
Dec 27, 2:35 PM CST	Small Craft Advisory	GUM	6 days
Dec 29, 6:18 PM CST	Rip Current Statement	GUM	5 days
Dec 29, 6:18 PM CST	High Surf Advisory	GUM	54 hr

By product

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

Product	Alerts
Flooding
Flash Flood Warning	11
Flash Flood Watch	6
Areal Flood Advisory	35
Wind and dust
Wind Advisory	3
Fire
Red Flag Warning	7
Fire Weather Watch	8
Tropical
Tropical Storm Warning	3
Typhoon Warning	2
Tropical Storm Watch	3
Typhoon Watch	2
Hurricane Local Statement	1
Coast and beach
High Surf Warning	8
High Surf Advisory	27
Beach Hazards Statement	4
Rip Current Statement	15
Marine
Gale Warning	1
Hazardous Seas Warning	4
Special Marine Warning	4
Gale Watch	1
Hazardous Seas Watch	1
Small Craft Advisory	18
Small Craft Advisory for Winds	1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2018 2020

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.