Weather alerts in Somerset County, Maine, 2015

227 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Somerset County and its neighbors

Each county as a circle sized by its count in 2015. Tap one for its archive.

Alerts: 227
Warnings: 59
Watches: 28
Advisories: 93
Busiest month: January39 alerts
Busiest day: August 3, 201515 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

0 of 1 tornado warnings covering Somerset County in 2015 had a tornado report inside them.

Somerset County, 2015

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	1	0	100%	0
Severe thunderstorm warnings	26	20	23%	29	83%	19 min
Flash flood warnings	0			0

Each office's whole area, 2015

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Gray, ME: tornado warnings	3	0	100%	1	0%
NWS Gray, ME: severe thunderstorm warnings	163	132	19%	255	89%	22 min
NWS Gray, ME: flash flood warnings	14	8	43%	19	74%	43 min
NWS Caribou, ME: severe thunderstorm warnings	79	35	56%	112	75%	20 min
NWS Caribou, ME: flash flood warnings	1	1	0%	4	50%	3 min

An office's figures cover every county it serves, including across state lines.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

The alerts

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

Issued	Product	Office	Lasted
Jan 2, 3:44 AM EST	Winter Storm Watch	GYX	24 hr
Jan 3, 3:33 AM EST	Winter Weather Advisory	CAR	39 hr
Jan 3, 3:35 AM EST	Winter Storm Warning	GYX	36 hr
Jan 3, 8:18 PM EST	Mesoscale Discussion	SPC	6 hr
Jan 4, 2:35 PM EST	Wind Chill Warning	CAR	43 hr
Jan 4, 3:08 PM EST	Wind Chill Warning	GYX	42 hr
Jan 4, 3:08 PM EST	Wind Chill Advisory	GYX	42 hr
Jan 4, 4:08 PM EST	Dense Fog Advisory	GYX	6 hr
Jan 5, 3:30 AM EST	Wind Advisory	GYX	14 hr
Jan 5, 4:21 AM EST	Wind Advisory	CAR	13 hr
Jan 6, 2:41 PM EST	Wind Chill Watch	CAR	13 hr
Jan 6, 3:40 PM EST	Wind Chill Warning	GYX	42 hr
Jan 7, 3:43 AM EST	Wind Chill Warning	CAR	31 hr
Jan 12, 3:25 AM EST	Wind Chill Advisory	CAR	32 hr
Jan 12, 3:27 PM EST	Wind Chill Advisory	GYX	18 hr
Jan 15, 3:17 PM EST	Wind Chill Watch	GYX	12 hr
Jan 15, 3:33 PM EST	Wind Chill Watch	CAR	12 hr
Jan 16, 3:06 AM EST	Wind Chill Warning	CAR	31 hr
Jan 16, 3:25 AM EST	Wind Chill Warning	GYX	27 hr
Jan 16, 3:25 AM EST	Wind Chill Advisory	GYX	27 hr
Jan 17, 10:09 AM EST	Wind Chill Advisory	CAR	111 min
Jan 18, 3:51 AM EST	Freezing Rain Advisory	CAR	22 hr
Jan 18, 3:51 AM EST	Winter Weather Advisory	GYX	23 hr
Jan 18, 3:51 AM EST	Freezing Rain Advisory	GYX	17 hr
Jan 18, 10:39 PM EST	Areal Flood Advisory	GYX	3 hr
Jan 20, 2:50 PM EST	Wind Chill Advisory	CAR	16 hr
Jan 23, 3:17 PM EST	Winter Weather Advisory	GYX	29 hr
Jan 25, 3:59 AM EST	Winter Storm Watch	GYX	12 hr
Jan 25, 4:41 AM EST	Wind Chill Advisory	CAR	23 hr
Jan 25, 4:41 AM EST	Winter Storm Watch	CAR	11 hr
Jan 25, 3:27 PM EST	Winter Storm Warning	CAR	60 hr
Jan 25, 3:46 PM EST	Winter Storm Warning	GYX	60 hr
Jan 28, 3:18 AM EST	Winter Storm Watch	CAR	24 hr
Jan 28, 3:04 PM EST	Winter Storm Watch	GYX	13 hr
Jan 29, 3:11 AM EST	Winter Storm Warning	CAR	65 hr
Jan 29, 3:52 AM EST	Winter Storm Warning	GYX	54 hr
Jan 30, 3:14 PM EST	Wind Chill Advisory	GYX	48 hr
Jan 31, 3:06 PM EST	Winter Storm Watch	GYX	21 hr
Jan 31, 3:16 PM EST	Wind Chill Advisory	CAR	37 hr
Feb 1, 3:32 AM EST	Winter Storm Warning	GYX	45 hr
Feb 1, 12:03 PM EST	Winter Weather Advisory	GYX	35 hr
Feb 1, 3:28 PM EST	Winter Weather Advisory	CAR	36 hr
Feb 2, 8:48 AM EST	Mesoscale Discussion	SPC	5 hr
Feb 2, 3:06 PM EST	Wind Chill Advisory	CAR	21 hr
Feb 2, 3:19 PM EST	Wind Chill Advisory	GYX	18 hr
Feb 5, 3:45 PM EST	Wind Chill Warning	CAR	17 hr
Feb 5, 3:51 PM EST	Wind Chill Warning	GYX	17 hr
Feb 5, 3:51 PM EST	Wind Chill Advisory	GYX	17 hr
Feb 8, 3:42 AM EST	Winter Weather Advisory	GYX	44 hr
Feb 12, 3:38 AM EST	Wind Chill Advisory	GYX	12 hr
Feb 12, 3:57 PM EST	Blizzard Watch	GYX	24 hr
Feb 12, 3:57 PM EST	Winter Storm Watch	GYX	24 hr
Feb 12, 4:05 PM EST	Winter Storm Watch	CAR	24 hr
Feb 13, 3:36 PM EST	Blizzard Warning	GYX	47 hr
Feb 13, 3:36 PM EST	Winter Storm Warning	GYX	44 hr
Feb 13, 3:55 PM EST	Winter Storm Warning	CAR	54 hr
Feb 14, 10:33 PM EST	Wind Chill Advisory	GYX	5 hr
Feb 14, 10:33 PM EST	Winter Weather Advisory	GYX	20 hr
Feb 15, 3:31 AM EST	Wind Chill Warning	GYX	36 hr
Feb 15, 4:00 AM EST	Wind Chill Warning	CAR	11 hr
Feb 15, 4:00 AM EST	Winter Weather Advisory	CAR	36 hr
Feb 15, 9:05 AM EST	Wind Chill Advisory	GYX	27 hr
Feb 15, 3:08 PM EST	Wind Chill Advisory	CAR	35 hr
Feb 16, 3:12 PM EST	Wind Chill Advisory	GYX	8 hr
Feb 17, 3:08 PM EST	Winter Storm Watch	GYX	25 hr
Feb 18, 2:57 AM EST	Winter Storm Watch	CAR	13 hr
Feb 18, 3:35 PM EST	Winter Storm Warning	CAR	36 hr
Feb 18, 4:24 PM EST	Winter Storm Warning	GYX	23 hr
Feb 20, 4:03 PM EST	Winter Storm Watch	GYX	11 hr
Feb 21, 3:03 AM EST	Winter Weather Advisory	GYX	27 hr
Feb 22, 2:56 PM EST	Wind Chill Advisory	CAR	39 hr
Feb 22, 3:23 PM EST	Wind Chill Warning	GYX	39 hr
Feb 22, 3:23 PM EST	Wind Chill Advisory	GYX	39 hr
Feb 25, 8:10 AM EST	Winter Weather Advisory	GYX	4 hr
Mar 2, 2:57 AM EST	Wind Chill Advisory	CAR	27 hr
Mar 3, 2:51 AM EST	Winter Weather Advisory	CAR	30 hr
Mar 3, 3:20 AM EST	Winter Weather Advisory	GYX	24 hr
Mar 13, 3:20 PM EDT	Winter Storm Watch	GYX	24 hr
Mar 14, 3:40 AM EDT	Winter Storm Warning	CAR	43 hr
Mar 14, 3:40 AM EDT	Winter Weather Advisory	CAR	29 hr
Mar 14, 3:57 AM EDT	Winter Storm Warning	GYX	37 hr
Mar 15, 6:12 AM EDT	Mesoscale Discussion	SPC	6 hr
Mar 16, 3:47 PM EDT	Winter Weather Advisory	CAR	53 hr
Mar 17, 3:23 PM EDT	Wind Advisory	GYX	26 hr
Mar 21, 3:20 PM EDT	Winter Weather Advisory	GYX	23 hr
Mar 21, 3:26 PM EDT	Wind Advisory	GYX	29 hr
Mar 21, 4:38 PM EDT	Winter Weather Advisory	CAR	27 hr
Mar 22, 6:42 PM EDT	Wind Chill Advisory	GYX	13 hr
Mar 22, 10:08 PM EDT	Wind Chill Advisory	CAR	8 hr
Apr 2, 5:21 AM EDT	Winter Weather Advisory	CAR	24 hr
Apr 3, 3:46 AM EDT	Winter Weather Advisory	GYX	36 hr
Apr 3, 5:15 AM EDT	Winter Weather Advisory	CAR	37 hr
Apr 9, 3:20 AM EDT	Winter Weather Advisory	CAR	34 hr
Apr 9, 3:36 PM EDT	Freezing Rain Advisory	GYX	18 hr
Apr 10, 7:27 PM EDT	Dense Fog Advisory	GYX	5 hr
Apr 19, 3:19 AM EDT	Flood Watch	GYX	62 hr
Apr 21, 10:10 AM EDT	River Flood Warning	GYX	27 hr
Apr 22, 6:01 AM EDT	Dense Fog Advisory	CAR	4 hr
May 12, 4:46 PM EDT	Special Weather Statement	GYX	14 min
May 13, 3:34 PM EDT	Frost Advisory	GYX	16 hr
May 20, 3:14 AM EDT	Freeze Watch	GYX	11 hr
May 20, 2:25 PM EDT	Freeze Warning	GYX	16 hr
May 21, 2:42 PM EDT	Freeze Watch	GYX	24 hr
May 22, 2:37 PM EDT	Frost Advisory	GYX	16 hr
May 22, 2:37 PM EDT	Freeze Warning	GYX	16 hr
May 27, 4:12 PM EDT	Special Weather Statement	GYX	48 min
May 27, 5:20 PM EDT	Special Weather Statement	GYX	40 min
May 27, 5:31 PM EDT	Special Weather Statement	GYX	44 min
May 27, 6:08 PM EDT	Severe Thunderstorm Warning	GYX	37 min
May 27, 6:15 PM EDT	Areal Flood Advisory	GYX	3 hr
May 27, 7:21 PM EDT	Areal Flood Advisory	GYX	3 hr
May 28, 11:16 AM EDT	Mesoscale Discussion	SPC	89 min
May 28, 11:30 AM EDT	Mesoscale Discussion	SPC	60 min
May 28, 11:54 AM EDT	Severe Thunderstorm Watch	SPC	7 hr
May 28, 12:31 PM EDT	Severe Thunderstorm Warning	GYX	44 min
May 28, 12:46 PM EDT	Special Weather Statement	GYX	29 min
May 28, 1:15 PM EDT	Severe Thunderstorm Warning	GYX	45 min
May 28, 3:08 PM EDT	Mesoscale Discussion	SPC	97 min
May 28, 3:22 PM EDT	Severe Thunderstorm Warning	GYX	38 min
May 28, 3:40 PM EDT	Severe Thunderstorm Warning	GYX	50 min
May 28, 4:37 PM EDT	Severe Thunderstorm Warning	GYX	53 min
May 30, 2:40 PM EDT	Mesoscale Discussion	SPC	95 min
May 30, 6:48 PM EDT	Mesoscale Discussion	SPC	87 min
Jun 6, 2:54 AM EDT	Frost Advisory	GYX	28 hr
Jun 6, 2:49 PM EDT	Frost Advisory	CAR	16 hr
Jun 23, 7:08 PM EDT	Special Weather Statement	GYX	52 min
Jul 19, 8:18 PM EDT	Severe Thunderstorm Warning	GYX	57 min
Jul 20, 12:59 AM EDT	Special Weather Statement	GYX	61 min
Jul 27, 12:36 AM EDT	Dense Fog Advisory	GYX	7 hr
Jul 27, 3:01 PM EDT	Special Weather Statement	GYX	44 min
Jul 27, 3:33 PM EDT	Special Weather Statement	GYX	57 min
Jul 27, 3:54 PM EDT	Areal Flood Advisory	GYX	3 hr
Jul 27, 4:34 PM EDT	Special Weather Statement	GYX	41 min
Jul 27, 4:41 PM EDT	Severe Thunderstorm Warning	GYX	29 min
Jul 27, 4:58 PM EDT	Special Weather Statement	GYX	62 min
Jul 27, 7:47 PM EDT	Special Weather Statement	GYX	58 min
Jul 27, 8:09 PM EDT	Areal Flood Advisory	GYX	3 hr
Jul 27, 9:49 PM EDT	Special Weather Statement	GYX	56 min
Jul 27, 10:47 PM EDT	Special Weather Statement	GYX	58 min
Jul 27, 10:53 PM EDT	Areal Flood Advisory	GYX	3 hr
Jul 27, 11:47 PM EDT	Special Weather Statement	GYX	28 min
Jul 28, 1:47 AM EDT	Special Weather Statement	GYX	43 min
Jul 28, 2:22 PM EDT	Mesoscale Discussion	SPC	113 min
Jul 28, 5:21 PM EDT	Severe Thunderstorm Warning	GYX	39 min
Jul 28, 5:26 PM EDT	Tornado Warning	GYX	34 min
Jul 28, 5:40 PM EDT	Severe Thunderstorm Warning	GYX	30 min
Jul 28, 6:08 PM EDT	Severe Thunderstorm Warning	GYX	52 min
Jul 30, 4:14 PM EDT	Special Weather Statement	GYX	46 min
Jul 30, 4:28 PM EDT	Areal Flood Advisory	GYX	3 hr
Jul 30, 4:42 PM EDT	Severe Thunderstorm Warning	GYX	42 min
Aug 1, 11:40 AM EDT	Special Weather Statement	GYX	35 min
Aug 1, 11:51 AM EDT	Mesoscale Discussion	SPC	54 min
Aug 1, 1:25 PM EDT	Special Weather Statement	GYX	50 min
Aug 1, 1:51 PM EDT	Severe Thunderstorm Warning	GYX	29 min
Aug 3, 12:45 PM EDT	Mesoscale Discussion	SPC	2 hr
Aug 3, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 3, 1:27 PM EDT	Severe Thunderstorm Warning	CAR	48 min
Aug 3, 2:17 PM EDT	Severe Thunderstorm Warning	GYX	43 min
Aug 3, 2:24 PM EDT	Severe Thunderstorm Warning	CAR	51 min
Aug 3, 2:51 PM EDT	Areal Flood Advisory	GYX	3 hr
Aug 3, 2:59 PM EDT	Severe Thunderstorm Warning	GYX	46 min
Aug 3, 4:13 PM EDT	Special Weather Statement	GYX	32 min
Aug 3, 4:16 PM EDT	Severe Thunderstorm Warning	GYX	44 min
Aug 3, 4:48 PM EDT	Special Weather Statement	GYX	42 min
Aug 3, 5:20 PM EDT	Special Weather Statement	GYX	55 min
Aug 3, 5:44 PM EDT	Severe Thunderstorm Warning	GYX	61 min
Aug 3, 6:28 PM EDT	Special Weather Statement	GYX	47 min
Aug 3, 6:47 PM EDT	Severe Thunderstorm Warning	GYX	43 min
Aug 3, 7:40 PM EDT	Severe Thunderstorm Warning	GYX	65 min
Aug 4, 11:15 AM EDT	Mesoscale Discussion	SPC	3 hr
Aug 4, 12:18 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 4, 1:11 PM EDT	Special Weather Statement	GYX	34 min
Aug 4, 1:46 PM EDT	Severe Thunderstorm Warning	GYX	44 min
Aug 4, 2:17 PM EDT	Severe Thunderstorm Warning	GYX	58 min
Aug 4, 2:21 PM EDT	Mesoscale Discussion	SPC	84 min
Aug 4, 3:16 PM EDT	Severe Thunderstorm Warning	GYX	44 min
Aug 4, 3:55 PM EDT	Severe Thunderstorm Warning	GYX	39 min
Aug 4, 4:30 PM EDT	Severe Thunderstorm Warning	GYX	60 min
Aug 5, 2:15 PM EDT	Special Weather Statement	GYX	45 min
Aug 21, 4:19 PM EDT	Areal Flood Advisory	GYX	116 min
Aug 21, 9:10 PM EDT	Areal Flood Advisory	GYX	110 min
Aug 21, 10:23 PM EDT	Areal Flood Advisory	GYX	112 min
Aug 26, 12:26 AM EDT	Special Weather Statement	CAR	64 min
Aug 26, 12:30 AM EDT	Special Weather Statement	GYX	45 min
Sep 9, 3:47 PM EDT	Special Weather Statement	GYX	88 min
Sep 9, 4:16 PM EDT	Mesoscale Discussion	SPC	89 min
Sep 9, 4:35 PM EDT	Special Weather Statement	GYX	85 min
Sep 9, 5:05 PM EDT	Special Weather Statement	GYX	25 min
Sep 9, 5:42 PM EDT	Special Weather Statement	GYX	33 min
Sep 21, 2:43 PM EDT	Frost Advisory	GYX	6 hr
Sep 24, 2:55 PM EDT	Frost Advisory	GYX	17 hr
Sep 25, 2:49 PM EDT	Frost Advisory	GYX	17 hr
Sep 26, 3:16 PM EDT	Frost Advisory	GYX	18 hr
Sep 29, 3:29 AM EDT	Flood Watch	GYX	36 hr
Sep 30, 8:15 AM EDT	Areal Flood Warning	GYX	10 hr
Oct 3, 3:11 PM EDT	Frost Advisory	GYX	17 hr
Oct 17, 3:33 AM EDT	Winter Weather Advisory	CAR	12 hr
Dec 1, 3:14 AM EST	Freezing Rain Advisory	CAR	30 hr
Dec 1, 3:18 AM EST	Freezing Rain Advisory	GYX	28 hr
Dec 2, 9:53 AM EST	Winter Storm Watch	CAR	5 hr
Dec 2, 2:51 PM EST	Winter Storm Warning	CAR	33 hr
Dec 2, 2:58 PM EST	Winter Weather Advisory	GYX	30 hr
Dec 10, 7:41 PM EST	Dense Fog Advisory	GYX	15 hr
Dec 10, 10:59 PM EST	Dense Fog Advisory	CAR	13 hr
Dec 11, 11:03 AM EST	Dense Fog Advisory	GYX	117 min
Dec 13, 3:56 AM EST	Winter Storm Watch	GYX	11 hr
Dec 13, 3:56 AM EST	Freezing Rain Advisory	GYX	47 hr
Dec 13, 4:34 AM EST	Winter Storm Watch	CAR	11 hr
Dec 13, 3:17 PM EST	Winter Weather Advisory	GYX	48 hr
Dec 13, 3:54 PM EST	Winter Weather Advisory	CAR	50 hr
Dec 14, 5:05 AM EST	Mesoscale Discussion	SPC	4 hr
Dec 16, 3:19 PM EST	Freezing Rain Advisory	GYX	21 hr
Dec 16, 3:50 PM EST	Freezing Rain Advisory	CAR	26 hr
Dec 18, 8:19 AM EST	Dense Fog Advisory	CAR	3 hr
Dec 21, 3:05 PM EST	Winter Weather Advisory	CAR	11 hr
Dec 22, 2:23 AM EST	Winter Weather Advisory	CAR	23 hr
Dec 22, 9:20 PM EST	Dense Fog Advisory	GYX	24 hr
Dec 25, 3:01 PM EST	Winter Storm Warning	GYX	52 hr
Dec 25, 3:01 PM EST	Winter Weather Advisory	GYX	52 hr
Dec 25, 3:02 PM EST	Winter Weather Advisory	CAR	51 hr
Dec 27, 3:37 PM EST	Winter Storm Watch	GYX	24 hr
Dec 27, 6:19 PM EST	Winter Storm Watch	CAR	21 hr
Dec 28, 3:41 PM EST	Winter Storm Warning	CAR	31 hr
Dec 28, 3:45 PM EST	Winter Storm Warning	GYX	32 hr
Dec 29, 4:47 AM EST	Mesoscale Discussion	SPC	6 hr
Dec 30, 3:39 AM EST	Freezing Rain Advisory	GYX	23 hr
Dec 30, 4:08 PM EST	Winter Weather Advisory	CAR	12 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
Severe Thunderstorm Warning	26
Tornado Warning	1
Severe Thunderstorm Watch	3
Mesoscale Discussion	16
Special Weather Statement	31
Flooding
Areal Flood Warning	1
River Flood Warning	1
Flood Watch	2
Areal Flood Advisory	11
Winter
Blizzard Warning	1
Winter Storm Warning	16
Blizzard Watch	1
Winter Storm Watch	17
Freezing Rain Advisory	9
Winter Weather Advisory	29
Cold
Freeze Warning	2
Wind Chill Warning	11
Freeze Watch	2
Wind Chill Watch	3
Frost Advisory	9
Wind Chill Advisory	22
Wind and dust
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	9

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2014 2016

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.