Weather alerts in New Hampshire, 2026

211 weather alerts in 2026, 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.

Weather alerts by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts: 211
Warnings: 69
Watches: 16
Advisories: 67
Busiest month: June51 alerts
Busiest day: July 15, 202614 alerts

Over time

By month

Warning verification

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

New Hampshire, 2026

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	0			0
Severe thunderstorm warnings	43	40	7%	217	88%	24 min
Flash flood warnings	3	1	67%	12	75%	106 min

Each office's whole area, 2026

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Gray, ME: tornado warnings	1	0	100%	0
NWS Gray, ME: severe thunderstorm warnings	70	56	20%	281	87%	23 min
NWS Gray, ME: flash flood warnings	5	1	80%	16	56%	106 min

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

The year is still running; reports filed late and damage surveys can still change these figures.

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	Counties	Lasted
Jan 4, 1:17 AM EST	Coastal Flood Statement	GYX	Rockingham	12 hr
Jan 4, 12:27 PM EST	Cold Weather Advisory	GYX	Carroll, Coos, Grafton	18 hr
Jan 5, 11:42 PM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	40 hr
Jan 10, 12:30 AM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more	35 hr
Jan 11, 11:36 PM EST	Special Weather Statement	GYX	Carroll	54 min
Jan 15, 4:49 AM EST	Dense Fog Advisory	GYX	Rockingham, Strafford	6 hr
Jan 16, 12:52 PM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	31 hr
Jan 17, 9:55 AM EST	Mesoscale Discussion	SPC	Cheshire	3 hr
Jan 18, 12:11 AM EST	Winter Weather Advisory	GYX	Cheshire, Hillsborough, Rockingham, Strafford	36 hr
Jan 21, 11:54 AM EST	Extreme Cold Watch	GYX	Coos, Grafton	25 hr
Jan 22, 11:57 AM EST	Winter Storm Watch	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	49 hr
Jan 22, 12:38 PM EST	Cold Weather Advisory	GYX	Cheshire, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan	45 hr
Jan 22, 12:38 PM EST	Extreme Cold Warning	GYX	Belknap, Carroll, Coos, Grafton	45 hr
Jan 22, 3:29 PM EST	Special Weather Statement	GYX	Coos	61 min
Jan 22, 3:46 PM EST	Snow Squall Warning	GYX	Coos, Grafton	44 min
Jan 22, 4:34 PM EST	Snow Squall Warning	GYX	Coos	41 min
Jan 24, 9:55 AM EST	Cold Weather Advisory	GYX	Carroll, Coos, Grafton	21 hr
Jan 24, 12:39 PM EST	Winter Storm Warning	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	60 hr
Jan 25, 4:02 PM EST	Mesoscale Discussion	SPC	Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more	4 hr
Jan 25, 7:26 PM EST	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	5 hr
Jan 28, 9:42 PM EST	Cold Weather Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	36 hr
Jan 30, 12:51 PM EST	Cold Weather Advisory	GYX	Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Rockingham and 1 more	19 hr
Feb 1, 1:20 PM EST	Coastal Flood Advisory	GYX	Rockingham	11 hr
Feb 2, 5:47 AM EST	Coastal Flood Advisory	GYX	Rockingham	7 hr
Feb 4, 11:42 PM EST	Extreme Cold Watch	GYX	Cheshire, Coos, Grafton, Sullivan	37 hr
Feb 6, 12:48 PM EST	Cold Weather Advisory	GYX	Belknap, Carroll, Coos, Grafton, Hillsborough, Rockingham and 1 more	45 hr
Feb 6, 12:48 PM EST	Extreme Cold Warning	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	45 hr
Feb 6, 1:03 PM EST	Winter Weather Advisory	GYX	Belknap, Hillsborough, Merrimack, Rockingham, Strafford	26 hr
Feb 7, 12:25 AM EST	Winter Storm Warning	GYX	Rockingham	15 hr
Feb 8, 1:26 PM EST	Cold Weather Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 3 more	21 hr
Feb 9, 12:50 PM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	47 hr
Feb 19, 12:54 PM EST	Winter Storm Warning	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more	42 hr
Feb 19, 12:54 PM EST	Winter Weather Advisory	GYX	Carroll, Coos, Grafton, Hillsborough, Rockingham	42 hr
Feb 20, 1:27 PM EST	Mesoscale Discussion	SPC	Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan	5 hr
Feb 20, 4:42 PM EST	Mesoscale Discussion	SPC	Belknap, Carroll, Coos, Grafton	5 hr
Feb 21, 12:39 PM EST	Winter Storm Watch	GYX	Cheshire, Hillsborough, Rockingham, Strafford	13 hr
Feb 22, 1:37 AM EST	Blizzard Warning	GYX	Hillsborough, Rockingham	44 hr
Feb 22, 1:37 AM EST	Winter Storm Warning	GYX	Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more	44 hr
Feb 22, 1:37 AM EST	Winter Weather Advisory	GYX	Carroll, Grafton, Sullivan	44 hr
Feb 22, 2:10 AM EST	Coastal Flood Watch	GYX	Rockingham	11 hr
Feb 22, 12:49 PM EST	Coastal Flood Warning	GYX	Rockingham	29 hr
Feb 23, 12:56 AM EST	Coastal Flood Statement	GYX	Rockingham	3 hr
Feb 23, 5:13 AM EST	Mesoscale Discussion	SPC	Rockingham	5 hr
Mar 3, 4:20 AM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	24 hr
Mar 3, 6:52 PM EST	Mesoscale Discussion	SPC	Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford	6 hr
Mar 4, 1:27 PM EST	Winter Weather Advisory	GYX	Cheshire, Hillsborough, Rockingham	42 hr
Mar 5, 9:32 PM EST	Mesoscale Discussion	SPC	Cheshire	6 hr
Mar 6, 1:23 PM EST	Winter Weather Advisory	GYX	Belknap, Carroll, Coos, Grafton, Hillsborough, Merrimack and 2 more	21 hr
Mar 13, 2:44 AM EDT	Winter Weather Advisory	GYX	Carroll, Coos, Grafton	31 hr
Mar 15, 1:49 AM EDT	Winter Weather Advisory	GYX	Carroll, Coos, Grafton, Sullivan	32 hr
Mar 15, 1:02 PM EDT	Flood Watch	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	55 hr
Mar 15, 1:05 PM EDT	Wind Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	44 hr
Mar 17, 3:01 AM EDT	River Flood Warning	GYX	Grafton	13 hr
Mar 17, 6:03 AM EDT	River Flood Warning	GYX	Carroll	11 hr
Mar 17, 6:59 AM EDT	River Flood Warning	GYX	Belknap, Merrimack	14 hr
Mar 21, 2:18 PM EDT	Winter Storm Warning	GYX	Carroll	30 hr
Mar 21, 2:18 PM EDT	Winter Weather Advisory	GYX	Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more	39 hr
Mar 31, 8:52 PM EDT	Special Weather Statement	GYX	Cheshire	38 min
Apr 2, 2:32 AM EDT	Winter Weather Advisory	GYX	Carroll, Coos, Grafton	33 hr
Apr 3, 2:30 PM EDT	Winter Weather Advisory	GYX	Carroll, Coos, Grafton	44 hr
Apr 14, 12:50 PM EDT	Mesoscale Discussion	SPC	Cheshire, Grafton, Sullivan	2 hr
Apr 14, 6:03 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Sullivan	57 min
Apr 14, 6:13 PM EDT	Special Weather Statement	BTV	Sullivan	17 min
Apr 14, 6:59 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough	46 min
Apr 14, 7:24 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Merrimack, Rockingham, Strafford	51 min
Apr 16, 6:59 PM EDT	Special Weather Statement	GYX	Hillsborough	31 min
Apr 16, 8:15 PM EDT	Severe Thunderstorm Warning	GYX	Coos	45 min
Apr 16, 9:34 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	41 min
Apr 18, 2:43 PM EDT	Coastal Flood Statement	GYX	Rockingham	12 hr
Apr 20, 8:26 AM EDT	Special Weather Statement	GYX	Coos	49 min
May 5, 1:33 PM EDT	Mesoscale Discussion	SPC	Carroll, Coos, Grafton, Sullivan	87 min
May 5, 4:49 PM EDT	Special Weather Statement	GYX	Coos	41 min
May 8, 2:25 PM EDT	Frost Advisory	GYX	Rockingham, Strafford	16 hr
May 10, 2:07 PM EDT	Frost Advisory	GYX	Carroll, Grafton	18 hr
May 11, 2:23 PM EDT	Frost Advisory	GYX	Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Strafford	18 hr
May 11, 2:23 PM EDT	Freeze Warning	GYX	Grafton, Sullivan	18 hr
May 12, 2:05 PM EDT	Frost Advisory	GYX	Belknap, Carroll, Grafton, Strafford	18 hr
May 12, 2:05 PM EDT	Freeze Warning	GYX	Carroll	18 hr
May 14, 7:34 PM EDT	River Flood Warning	GYX	Grafton	7 hr
May 15, 2:58 AM EDT	River Flood Warning	GYX	Carroll	20 hr
May 15, 7:59 AM EDT	River Flood Warning	GYX	Belknap, Grafton	14 hr
May 15, 2:25 PM EDT	Beach Hazards Statement	GYX	Rockingham	30 hr
May 17, 2:25 AM EDT	Beach Hazards Statement	GYX	Rockingham	18 hr
May 18, 2:12 PM EDT	Heat Advisory	GYX	Hillsborough, Rockingham	30 hr
May 19, 4:52 PM EDT	Special Weather Statement	GYX	Rockingham	23 min
May 21, 2:27 AM EDT	Frost Advisory	GYX	Carroll, Cheshire, Grafton, Sullivan	28 hr
May 21, 2:27 AM EDT	Freeze Warning	GYX	Coos, Grafton	28 hr
May 22, 1:02 PM EDT	Frost Advisory	GYX	Coos	17 hr
May 23, 2:38 AM EDT	Beach Hazards Statement	GYX	Rockingham	17 hr
May 29, 2:35 AM EDT	Wind Advisory	GYX	Hillsborough, Rockingham, Strafford	32 hr
May 29, 11:56 AM EDT	River Flood Warning	GYX	Carroll	25 hr
May 29, 2:36 PM EDT	High Surf Advisory	GYX	Rockingham	29 hr
May 30, 3:10 AM EDT	Areal Flood Advisory	GYX	Carroll	5 hr
May 30, 2:10 PM EDT	Frost Advisory	GYX	Carroll, Coos, Grafton	17 hr
Jun 4, 2:44 PM EDT	Beach Hazards Statement	GYX	Rockingham	29 hr
Jun 6, 8:04 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	56 min
Jun 6, 8:56 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton	50 min
Jun 10, 6:43 PM EDT	Areal Flood Advisory	GYX	Grafton	2 hr
Jun 10, 11:29 PM EDT	Areal Flood Advisory	GYX	Carroll, Coos, Grafton	3 hr
Jun 11, 12:33 AM EDT	Flash Flood Warning	GYX	Carroll, Grafton	3 hr
Jun 11, 2:24 AM EDT	Heat Advisory	GYX	Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Rockingham and 2 more	18 hr
Jun 11, 3:17 PM EDT	Heat Advisory	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	28 hr
Jun 12, 6:54 AM EDT	Areal Flood Advisory	GYX	Belknap, Grafton, Merrimack, Sullivan	2 hr
Jun 12, 7:06 AM EDT	Areal Flood Advisory	GYX	Carroll	2 hr
Jun 12, 8:21 AM EDT	Flood Watch	GYX	Carroll	13 hr
Jun 12, 2:38 PM EDT	Beach Hazards Statement	GYX	Rockingham	29 hr
Jun 13, 8:01 PM EDT	Beach Hazards Statement	GYX	Rockingham	24 hr
Jun 14, 2:37 AM EDT	Coastal Flood Advisory	GYX	Rockingham	22 hr
Jun 14, 8:43 AM EDT	Flood Watch	GYX	Carroll, Coos, Grafton	20 hr
Jun 14, 4:20 PM EDT	Mesoscale Discussion	SPC	Coos, Grafton	115 min
Jun 15, 1:58 AM EDT	Areal Flood Advisory	GYX	Carroll, Coos, Grafton	6 hr
Jun 15, 3:37 AM EDT	Areal Flood Advisory	GYX	Carroll	4 hr
Jun 15, 2:33 PM EDT	Coastal Flood Statement	GYX	Rockingham	12 hr
Jun 16, 1:06 PM EDT	Coastal Flood Statement	GYX	Rockingham	15 hr
Jun 17, 2:02 PM EDT	Coastal Flood Statement	GYX	Rockingham	14 hr
Jun 18, 2:19 AM EDT	Flood Watch	GYX	Carroll, Coos, Grafton	15 hr
Jun 18, 9:31 AM EDT	Mesoscale Discussion	SPC	Sullivan	119 min
Jun 18, 12:09 PM EDT	River Flood Warning	GYX	Grafton	11 hr
Jun 18, 1:25 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	2 hr
Jun 18, 1:45 PM EDT	Tornado Watch	SPC	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	5 hr
Jun 18, 2:39 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Merrimack, Sullivan	66 min
Jun 18, 3:07 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Coos, Grafton	53 min
Jun 18, 3:18 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Sullivan	57 min
Jun 18, 3:40 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	65 min
Jun 18, 4:04 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Merrimack, Rockingham	56 min
Jun 18, 4:06 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more	84 min
Jun 18, 4:21 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Merrimack, Rockingham, Strafford	54 min
Jun 18, 4:42 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Rockingham, Strafford	48 min
Jun 21, 6:28 PM EDT	Areal Flood Advisory	GYX	Coos	2 hr
Jun 26, 1:20 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	115 min
Jun 26, 2:14 PM EDT	Severe Thunderstorm Watch	SPC	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	6 hr
Jun 26, 3:58 PM EDT	Severe Thunderstorm Warning	GYX	Coos	62 min
Jun 26, 4:16 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	119 min
Jun 26, 4:37 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Merrimack, Sullivan	53 min
Jun 26, 4:44 PM EDT	Severe Thunderstorm Warning	GYX	Merrimack, Rockingham, Strafford	61 min
Jun 26, 5:27 PM EDT	Severe Thunderstorm Warning Considerable damage threat	GYX	Hillsborough, Merrimack	63 min
Jun 26, 5:29 PM EDT	Severe Thunderstorm Warning	GYX	Rockingham	46 min
Jun 26, 6:28 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Merrimack, Rockingham	47 min
Jun 26, 6:41 PM EDT	Mesoscale Discussion	SPC	Hillsborough, Merrimack, Rockingham	94 min
Jun 26, 10:19 PM EDT	Dense Fog Advisory	GYX	Rockingham, Strafford	10 hr
Jun 27, 6:59 PM EDT	Special Weather Statement	GYX	Carroll	46 min
Jun 28, 2:35 AM EDT	Dense Fog Advisory	GYX	Hillsborough, Rockingham, Strafford	5 hr
Jun 29, 2:18 AM EDT	Extreme Heat Watch	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	59 hr
Jun 30, 1:57 PM EDT	Heat Advisory	GYX	Coos, Grafton	3 days
Jun 30, 1:57 PM EDT	Extreme Heat Warning	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	3 days
Jul 1, 8:42 PM EDT	Severe Thunderstorm Warning	GYX	Coos, Grafton	48 min
Jul 1, 8:57 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	48 min
Jul 1, 9:30 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Coos, Grafton	45 min
Jul 1, 11:48 PM EDT	Special Weather Statement	GYX	Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Sullivan	57 min
Jul 2, 6:15 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Grafton, Merrimack	45 min
Jul 2, 8:13 PM EDT	Mesoscale Discussion	SPC	Coos	2 hr
Jul 3, 8:01 PM EDT	Heat Advisory	GYX	Hillsborough, Rockingham	22 hr
Jul 4, 2:28 PM EDT	Special Weather Statement	GYX	Rockingham	32 min
Jul 8, 1:05 PM EDT	Heat Advisory	GYX	Hillsborough, Rockingham	31 hr
Jul 9, 6:42 PM EDT	Severe Thunderstorm Warning	GYX	Coos	63 min
Jul 13, 2:23 AM EDT	Heat Advisory	GYX	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	36 hr
Jul 14, 9:27 AM EDT	Special Weather Statement	GYX	Coos	63 min
Jul 14, 2:15 PM EDT	Mesoscale Discussion	SPC	Coos	2 hr
Jul 14, 5:50 PM EDT	Coastal Flood Statement	GYX	Rockingham	8 hr
Jul 14, 5:50 PM EDT	Severe Thunderstorm Warning	GYX	Coos	39 min
Jul 14, 6:53 PM EDT	Mesoscale Discussion	SPC	Coos	2 hr
Jul 14, 8:24 PM EDT	Severe Thunderstorm Watch	SPC	Belknap, Carroll, Coos, Grafton, Strafford	7 hr
Jul 14, 9:20 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Coos, Grafton	40 min
Jul 14, 9:51 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Coos, Grafton	39 min
Jul 14, 10:11 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more	94 min
Jul 14, 10:21 PM EDT	Severe Thunderstorm Warning	GYX	Carroll	17 min
Jul 15, 12:44 AM EDT	Mesoscale Discussion	SPC	Merrimack, Sullivan	91 min
Jul 15, 1:00 AM EDT	Severe Thunderstorm Watch	SPC	Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan	5 hr
Jul 15, 2:56 AM EDT	Mesoscale Discussion	SPC	Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan	94 min
Jul 15, 3:05 AM EDT	Severe Thunderstorm Warning Considerable damage threat	GYX	Cheshire, Merrimack, Sullivan	40 min
Jul 15, 3:41 AM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	49 min
Jul 15, 4:16 AM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Merrimack, Rockingham	25 min
Jul 15, 4:26 AM EDT	Mesoscale Discussion	SPC	Hillsborough, Merrimack, Rockingham, Sullivan	94 min
Jul 15, 4:42 AM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Sullivan	33 min
Jul 15, 2:37 PM EDT	Coastal Flood Statement	GYX	Rockingham	11 hr
Jul 16, 11:46 AM EDT	Mesoscale Discussion	SPC	Carroll, Coos, Grafton	2 hr
Jul 16, 2:46 PM EDT	Coastal Flood Statement	GYX	Rockingham	12 hr
Jul 16, 3:15 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack, Strafford	45 min
Jul 16, 3:52 PM EDT	Severe Thunderstorm Warning	GYX	Rockingham, Strafford	38 min
Jul 16, 4:44 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Rockingham	46 min
Jul 16, 4:53 PM EDT	Severe Thunderstorm Warning	GYX	Rockingham	26 min
Jul 16, 5:13 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Rockingham	35 min
Jul 18, 2:42 AM EDT	Rip Current Statement	GYX	Rockingham	17 hr
Jul 22, 12:44 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Rockingham	27 min
Jul 24, 2:34 AM EDT	Beach Hazards Statement	GYX	Rockingham	17 hr
Jul 28, 2:40 PM EDT	Special Weather Statement	GYX	Hillsborough	35 min
Jul 28, 3:03 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Rockingham	42 min
Jul 28, 9:28 PM EDT	Flood Watch	GYX	Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more	32 hr
Aug 3, 6:10 AM EDT	Areal Flood Advisory	GYX	Hillsborough, Merrimack, Rockingham, Strafford	88 min
Aug 3, 6:54 AM EDT	Areal Flood Advisory	GYX	Carroll	3 hr
Aug 3, 7:21 AM EDT	Flash Flood Warning	GYX	Hillsborough, Merrimack, Rockingham, Strafford	4 hr
Aug 3, 12:13 PM EDT	Mesoscale Discussion	SPC	Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more	2 hr
Aug 3, 2:10 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	50 min
Aug 3, 2:50 PM EDT	Severe Thunderstorm Warning	GYX	Coos	40 min
Aug 5, 2:49 PM EDT	Heat Advisory	GYX	Hillsborough, Rockingham	29 hr
Aug 6, 1:39 PM EDT	Mesoscale Discussion	SPC	Cheshire, Sullivan	2 hr
Aug 6, 2:18 PM EDT	Heat Advisory	GYX	Hillsborough, Rockingham, Strafford	30 hr
Aug 6, 7:39 PM EDT	Areal Flood Advisory	GYX	Cheshire	106 min
Aug 6, 9:42 PM EDT	Areal Flood Advisory	GYX	Hillsborough	3 hr
Aug 8, 4:30 PM EDT	Areal Flood Advisory	GYX	Coos	3 hr
Aug 8, 4:40 PM EDT	Severe Thunderstorm Warning	GYX	Carroll, Strafford	50 min
Aug 8, 5:20 PM EDT	Areal Flood Advisory	GYX	Carroll, Strafford	2 hr
Aug 8, 7:22 PM EDT	Flash Flood Warning	GYX	Coos	2 hr
Aug 12, 7:15 PM EDT	Coastal Flood Statement	GYX	Rockingham	8 hr
Sep 14, 2:07 AM EDT	Frost Advisory	GYX	Coos	30 hr
Sep 22, 2:15 PM EDT	Frost Advisory	GYX	Carroll, Grafton	17 hr
Sep 23, 2:16 PM EDT	Frost Advisory	GYX	Carroll, Grafton	17 hr
Sep 24, 2:25 AM EDT	High Surf Advisory	GYX	Rockingham	5 days
Sep 25, 2:25 AM EDT	Coastal Flood Watch	GYX	Rockingham	8 hr
Sep 25, 10:26 AM EDT	Coastal Flood Advisory	GYX	Rockingham	65 hr
Sep 28, 6:21 AM EDT	Coastal Flood Statement	GYX	Rockingham	8 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	43
Severe Thunderstorm Watch	3
Tornado Watch	1
Mesoscale Discussion	27
Special Weather Statement	13
Flooding
Flash Flood Warning	3
River Flood Warning	8
Flood Watch	5
Areal Flood Advisory	14
Winter
Blizzard Warning	1
Snow Squall Warning	2
Winter Storm Warning	5
Winter Storm Watch	2
Winter Weather Advisory	16
Heat
Extreme Heat Warning	1
Extreme Heat Watch	1
Heat Advisory	9
Cold
Extreme Cold Warning	2
Freeze Warning	3
Extreme Cold Watch	2
Cold Weather Advisory	7
Frost Advisory	10
Wind and dust
Wind Advisory	2
Fog and smoke
Dense Fog Advisory	3
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	2
Coastal Flood Advisory	4
High Surf Advisory	2
Beach Hazards Statement	7
Coastal Flood Statement	11
Rip Current Statement	1

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 2025

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.