Weather alerts in New Hampshire, 2025
274 weather alerts in 2025, 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 2025. Tap one for its archive.
- Alerts
- 274
- Warnings
- 78
- Watches
- 21
- Advisories
- 93
- Busiest month
- July37 alerts
- Busiest day
- June 6, 202510 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, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 35 | 29 | 17% | 146 | 71% | 19 min |
| Flash flood warnings | 6 | 4 | 33% | 7 | 100% | 75 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 3 | 1 | 67% | 5 | 80% | 12 min |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 72 | 61 | 15% | 273 | 84% | 25 min |
| NWS Boston/Norton, MA: flash flood warnings | 19 | 14 | 26% | 45 | 87% | 70 min |
| NWS Gray, ME: severe thunderstorm warnings | 59 | 39 | 34% | 176 | 74% | 18 min |
| NWS Gray, ME: flash flood warnings | 7 | 5 | 29% | 12 | 67% | 69 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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 2:18 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 28 hr |
| Jan 1, 7:07 PM EST | Winter Weather Advisory | GYX | Coos | 32 hr |
| Jan 5, 5:54 PM EST | Cold Weather Advisory | GYX | Coos | 13 hr |
| Jan 8, 2:50 PM EST | Wind Advisory | GYX | Belknap, Hillsborough, Merrimack, Rockingham, Strafford | 28 hr |
| Jan 18, 3:08 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 24 hr |
| Jan 19, 1:31 AM EST | Dense Fog Advisory | GYX | Hillsborough, Merrimack, Rockingham | 4 hr |
| Jan 19, 3:23 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 27 hr |
| Jan 19, 3:23 AM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 27 hr |
| Jan 19, 4:34 PM EST | Mesoscale Discussion | SPC | Cheshire | 3 hr |
| Jan 19, 10:23 PM EST | Mesoscale Discussion | SPC | Carroll, Strafford | 6 hr |
| Jan 20, 2:44 AM EST | Cold Weather Advisory | GYX | Carroll, Coos, Grafton | 32 hr |
| Jan 21, 3:20 PM EST | Cold Weather Advisory | GYX | Coos | 19 hr |
| Jan 26, 12:21 PM EST | Special Weather Statement | GYX | Carroll | 24 min |
| Jan 26, 12:54 PM EST | Special Weather Statement | GYX | Carroll | 51 min |
| Jan 28, 4:55 AM EST | Special Weather Statement | GYX | Coos | 80 min |
| Jan 28, 6:06 AM EST | Snow Squall Warning | GYX | Carroll, Coos, Grafton, Sullivan | 54 min |
| Jan 28, 7:05 AM EST | Special Weather Statement | GYX | Carroll, Grafton | 55 min |
| Jan 28, 7:52 AM EST | Snow Squall Warning | GYX | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 23 min |
| Jan 28, 8:22 AM EST | Snow Squall Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 38 min |
| Jan 28, 9:00 AM EST | Snow Squall Warning | GYX | Strafford | 45 min |
| Jan 28, 9:20 AM EST | Special Weather Statement | GYX | Rockingham | 25 min |
| Jan 28, 7:41 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Strafford | 16 hr |
| Jan 29, 4:21 AM EST | Cold Weather Advisory | GYX | Coos | 30 hr |
| Jan 29, 10:11 AM EST | Special Weather Statement | GYX | Hillsborough | 49 min |
| Jan 29, 10:29 AM EST | Wind Advisory | GYX | Cheshire, Hillsborough, Rockingham | 11 hr |
| Jan 29, 11:39 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 2 hr |
| Jan 29, 1:04 PM EST | Special Weather Statement | GYX | Cheshire | 41 min |
| Jan 29, 2:05 PM EST | Special Weather Statement | GYX | Carroll, Grafton | 40 min |
| Jan 29, 2:10 PM EST | Special Weather Statement | GYX | Belknap, Cheshire, Hillsborough, Merrimack | 50 min |
| Jan 29, 2:48 PM EST | Special Weather Statement | GYX | Carroll | 42 min |
| Feb 1, 3:11 AM EST | Cold Weather Advisory | GYX | Carroll, Coos, Grafton | 28 hr |
| Feb 1, 3:11 AM EST | Extreme Cold Warning | GYX | Coos | 22 hr |
| Feb 3, 2:36 PM EST | Winter Weather Advisory | GYX | Coos | 12 hr |
| Feb 5, 2:20 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 32 hr |
| Feb 7, 2:34 AM EST | Winter Storm Watch | GYX | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 24 hr |
| Feb 7, 8:02 AM EST | Snow Squall Warning | GYX | Carroll, Coos, Grafton | 58 min |
| Feb 7, 8:33 AM EST | Snow Squall Warning | GYX | Carroll | 57 min |
| Feb 8, 2:46 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 30 hr |
| Feb 8, 2:46 AM EST | Winter Weather Advisory | GYX | Carroll, Grafton | 30 hr |
| Feb 8, 6:21 PM EST | Mesoscale Discussion | SPC | Cheshire | 4 hr |
| Feb 8, 10:01 PM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 4 hr |
| Feb 11, 2:25 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 52 hr |
| Feb 13, 3:11 AM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 40 hr |
| Feb 13, 8:15 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton | 6 hr |
| Feb 14, 12:17 AM EST | Wind Advisory | GYX | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 3 hr |
| Feb 14, 5:26 AM EST | Cold Weather Advisory | GYX | Coos | 25 hr |
| Feb 14, 8:52 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 18 hr |
| Feb 14, 3:08 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 62 hr |
| Feb 16, 8:28 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 6 hr |
| Feb 16, 1:24 PM EST | High Wind Warning | GYX | Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan | 33 hr |
| Feb 16, 1:24 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 50 hr |
| Feb 17, 3:14 AM EST | Cold Weather Advisory | GYX | Coos | 30 hr |
| Feb 26, 2:38 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Sullivan | 26 hr |
| Feb 27, 11:33 AM EST | Special Weather Statement | GYX | Carroll | 72 min |
| Feb 28, 8:03 AM EST | Special Weather Statement | GYX | Carroll, Grafton | 42 min |
| Mar 1, 2:56 AM EST | Cold Weather Advisory | GYX | Coos | 31 hr |
| Mar 1, 6:28 AM EST | Coastal Flood Statement | GYX | Rockingham | 2 hr |
| Mar 1, 8:54 AM EST | Coastal Flood Advisory | GYX | Rockingham | 4 hr |
| Mar 2, 2:57 PM EST | Cold Weather Advisory | GYX | Coos | 17 hr |
| Mar 6, 2:59 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 30 hr |
| Mar 7, 6:25 PM EST | Wind Advisory | GYX | Merrimack | 3 hr |
| Mar 8, 3:32 AM EST | Wind Advisory | GYX | Coos | 15 hr |
| Mar 16, 1:09 PM EDT | River Flood Warning | GYX | Grafton | 26 hr |
| Mar 16, 1:09 PM EDT | River Flood Warning | GYX | Carroll | 33 hr |
| Mar 16, 1:09 PM EDT | River Flood Warning | GYX | Belknap, Grafton | 44 hr |
| Mar 16, 8:07 PM EDT | Wind Advisory | GYX | Belknap, Cheshire, Coos, Grafton, Hillsborough, Merrimack and 2 more | 6 hr |
| Mar 16, 10:20 PM EDT | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 21 hr |
| Mar 17, 12:14 PM EDT | River Flood Warning | GYX | Belknap, Merrimack | 26 hr |
| Mar 17, 12:14 PM EDT | River Flood Warning | GYX | Coos, Grafton | 66 hr |
| Mar 19, 8:30 PM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 13 hr |
| Mar 23, 3:15 PM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton | 31 hr |
| Mar 27, 2:58 PM EDT | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 24 hr |
| Mar 28, 3:24 PM EDT | Winter Storm Warning | GYX | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 43 hr |
| Mar 28, 3:24 PM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Hillsborough, Rockingham and 1 more | 63 hr |
| Mar 29, 1:54 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Merrimack, Sullivan | 6 hr |
| Mar 31, 8:05 PM EDT | Dense Fog Advisory | GYX | Belknap, Carroll, Merrimack, Strafford | 4 hr |
| Apr 2, 2:42 AM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 3 more | 32 hr |
| Apr 4, 3:00 PM EDT | Winter Weather Advisory | GYX | Coos | 36 hr |
| Apr 7, 3:26 PM EDT | Winter Weather Advisory | GYX | Coos | 36 hr |
| Apr 8, 2:42 AM EDT | Wind Advisory | GYX | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 20 hr |
| Apr 11, 6:54 PM EDT | Winter Weather Advisory | GYX | Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 17 hr |
| Apr 15, 3:37 PM EDT | Special Weather Statement | GYX | Rockingham | 23 min |
| Apr 20, 3:13 AM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Hillsborough, Merrimack and 2 more | 15 hr |
| Apr 20, 8:17 AM EDT | Red Flag Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 10 hr |
| Apr 28, 9:15 PM EDT | Coastal Flood Statement | GYX | Rockingham | 5 hr |
| May 2, 6:58 PM EDT | Special Weather Statement | GYX | Sullivan | 32 min |
| May 2, 7:40 PM EDT | Special Weather Statement | GYX | Merrimack | 35 min |
| May 3, 12:14 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Merrimack, Rockingham | 2 hr |
| May 3, 1:07 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 5 hr |
| May 3, 1:45 PM EDT | Special Weather Statement | GYX | Sullivan | 30 min |
| May 3, 1:51 PM EDT | Special Weather Statement | GYX | Rockingham | 24 min |
| May 3, 2:12 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 28 min |
| May 3, 3:07 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire | 38 min |
| May 3, 3:47 PM EDT | Special Weather Statement | GYX | Hillsborough | 58 min |
| May 3, 4:08 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 37 min |
| May 3, 6:01 PM EDT | Special Weather Statement | GYX | Rockingham | 29 min |
| May 8, 8:41 PM EDT | Flood Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 42 hr |
| May 10, 3:47 AM EDT | River Flood Watch | BOX | Hillsborough | 40 hr |
| May 10, 6:45 AM EDT | Areal Flood Warning | GYX | Cheshire, Sullivan | 5 hr |
| May 10, 7:00 AM EDT | River Flood Warning | GYX | Belknap, Merrimack | 48 hr |
| May 10, 7:20 AM EDT | River Flood Warning | GYX | Merrimack | 29 hr |
| May 10, 7:27 AM EDT | Areal Flood Warning | GYX | Hillsborough, Merrimack, Rockingham | 4 hr |
| May 10, 10:08 AM EDT | River Flood Warning | GYX | Hillsborough | 17 hr |
| May 10, 10:09 AM EDT | River Flood Warning | GYX | Hillsborough | 105 min |
| May 10, 11:31 AM EDT | Areal Flood Advisory | GYX | Carroll | 2 hr |
| May 10, 12:04 PM EDT | River Flood Warning | BOX | Hillsborough | 46 hr |
| May 11, 2:32 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 1 more | 15 hr |
| May 15, 9:32 PM EDT | Dense Fog Advisory | GYX | Rockingham | 11 hr |
| May 16, 9:13 PM EDT | Areal Flood Advisory | GYX | Coos | 62 min |
| May 17, 12:34 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Coos, Grafton, Sullivan | 7 hr |
| May 17, 4:36 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Sullivan | 114 min |
| May 17, 6:00 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 45 min |
| May 17, 6:26 PM EDT | Areal Flood Advisory | GYX | Grafton, Sullivan | 3 hr |
| May 17, 6:54 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 36 min |
| May 17, 8:32 PM EDT | Areal Flood Advisory | GYX | Merrimack | 3 hr |
| May 17, 8:46 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 29 min |
| May 21, 3:42 PM EDT | Wind Advisory | GYX | Rockingham | 35 hr |
| May 26, 3:01 PM EDT | Coastal Flood Statement | GYX | Rockingham | 10 hr |
| May 27, 3:07 PM EDT | Coastal Flood Statement | GYX | Rockingham | 11 hr |
| May 31, 6:58 AM EDT | Areal Flood Advisory | GYX | Cheshire | 3 hr |
| May 31, 4:42 PM EDT | Areal Flood Warning | GYX | Belknap, Hillsborough, Merrimack | 3 hr |
| Jun 6, 7:01 AM EDT | Flood Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 14 hr |
| Jun 6, 2:38 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack | 37 min |
| Jun 6, 3:05 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 40 min |
| Jun 6, 3:12 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 48 min |
| Jun 6, 3:32 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 43 min |
| Jun 6, 4:15 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 45 min |
| Jun 6, 4:48 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack | 31 min |
| Jun 6, 4:53 PM EDT | Flash Flood Warning | GYX | Merrimack | 3 hr |
| Jun 6, 5:19 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 116 min |
| Jun 6, 5:37 PM EDT | Flash Flood Warning | GYX | Hillsborough | 2 hr |
| Jun 6, 8:03 PM EDT | Areal Flood Advisory | GYX | Hillsborough, Merrimack | 3 hr |
| Jun 7, 2:35 AM EDT | Flood Watch | GYX | Cheshire, Hillsborough, Merrimack, Sullivan | 16 hr |
| Jun 7, 1:22 PM EDT | Flash Flood Warning | GYX | Cheshire, Hillsborough | 5 hr |
| Jun 7, 2:01 PM EDT | Areal Flood Advisory | GYX | Hillsborough, Merrimack | 5 hr |
| Jun 18, 2:36 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham | 28 hr |
| Jun 19, 12:44 PM EDT | Mesoscale Discussion | SPC | Cheshire, Sullivan | 91 min |
| Jun 19, 2:53 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 1 more | 67 min |
| Jun 19, 3:21 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 8 hr |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton, Merrimack, Sullivan | 41 min |
| Jun 19, 4:34 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 3 more | 116 min |
| Jun 20, 2:08 AM EDT | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 18 hr |
| Jun 21, 2:40 AM EDT | Heat Advisory | GYX | Cheshire, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan | 41 hr |
| Jun 21, 2:40 AM EDT | Extreme Heat Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 60 hr |
| Jun 22, 2:17 PM EDT | Heat Advisory | GYX | Belknap, Carroll, Coos, Grafton, Rockingham, Strafford | 30 hr |
| Jun 22, 2:17 PM EDT | Extreme Heat Warning | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 54 hr |
| Jun 23, 3:02 PM EDT | Heat Advisory | GYX | Carroll, Coos, Grafton, Rockingham | 29 hr |
| Jun 24, 3:04 PM EDT | Mesoscale Discussion | SPC | Grafton | 86 min |
| Jun 24, 5:10 PM EDT | Special Weather Statement | GYX | Belknap | 50 min |
| Jun 24, 5:59 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Strafford | 31 min |
| Jun 24, 6:29 PM EDT | Special Weather Statement | GYX | Strafford | 46 min |
| Jun 24, 7:26 PM EDT | Special Weather Statement | GYX | Grafton | 49 min |
| Jun 25, 3:07 AM EDT | Heat Advisory | GYX | Hillsborough, Rockingham | 16 hr |
| Jul 1, 12:28 PM EDT | Mesoscale Discussion | SPC | Cheshire | 2 hr |
| Jul 3, 10:07 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 113 min |
| Jul 3, 10:38 AM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 9 hr |
| Jul 3, 10:58 AM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 47 min |
| Jul 3, 11:39 AM EDT | Special Weather Statement | GYX | Belknap, Carroll, Strafford | 36 min |
| Jul 3, 11:44 AM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 61 min |
| Jul 3, 12:17 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 1 more | 118 min |
| Jul 3, 3:20 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Grafton, Merrimack, Sullivan | 115 min |
| Jul 3, 4:46 PM EDT | Special Weather Statement | GYX | Carroll | 29 min |
| Jul 4, 1:23 PM EDT | Heat Advisory | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 3 days |
| Jul 6, 7:18 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 57 min |
| Jul 7, 12:53 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham, Strafford | 30 hr |
| Jul 7, 4:03 PM EDT | Mesoscale Discussion | SPC | Coos | 117 min |
| Jul 10, 11:28 AM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Jul 11, 5:09 AM EDT | Severe Thunderstorm Warning | GYX | Coos | 30 min |
| Jul 12, 4:56 AM EDT | Areal Flood Advisory | GYX | Coos, Grafton | 109 min |
| Jul 12, 6:04 AM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 116 min |
| Jul 12, 4:49 PM EDT | Areal Flood Advisory | GYX | Cheshire, Hillsborough | 116 min |
| Jul 12, 5:08 PM EDT | Flash Flood Warning | GYX | Cheshire, Hillsborough | 2 hr |
| Jul 14, 1:20 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 2 hr |
| Jul 14, 1:48 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham | 3 days |
| Jul 14, 5:10 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos | 2 hr |
| Jul 15, 1:33 PM EDT | Heat Advisory | GYX | Cheshire, Hillsborough, Merrimack, Strafford | 30 hr |
| Jul 17, 1:09 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Hillsborough, Merrimack and 3 more | 3 hr |
| Jul 17, 2:28 PM EDT | Severe Thunderstorm Watch | SPC | Carroll, Coos, Grafton | 6 hr |
| Jul 17, 4:40 PM EDT | Mesoscale Discussion | SPC | Coos | 2 hr |
| Jul 17, 6:43 PM EDT | Mesoscale Discussion | SPC | Carroll, Coos, Grafton, Sullivan | 92 min |
| Jul 17, 8:19 PM EDT | Special Weather Statement | GYX | Rockingham, Strafford | 41 min |
| Jul 20, 2:01 PM EDT | Mesoscale Discussion | SPC | Cheshire | 119 min |
| Jul 20, 4:08 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 5 hr |
| Jul 20, 4:41 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton, Merrimack, Sullivan | 49 min |
| Jul 20, 5:22 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Strafford | 53 min |
| Jul 20, 6:18 PM EDT | Areal Flood Advisory | GYX | Strafford | 117 min |
| Jul 20, 7:07 PM EDT | Mesoscale Discussion | SPC | Rockingham | 83 min |
| Jul 24, 2:18 AM EDT | Heat Advisory | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 41 hr |
| Jul 27, 1:05 PM EDT | Heat Advisory | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 3 days |
| Jul 28, 3:55 AM EDT | Dense Fog Advisory | GYX | Rockingham | 5 hr |
| Aug 5, 5:47 PM EDT | Areal Flood Advisory | GYX | Sullivan | 69 min |
| Aug 5, 6:22 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Sullivan | 38 min |
| Aug 8, 8:10 PM EDT | Flash Flood Warning | GYX | Coos | 2 hr |
| Aug 10, 1:22 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham, Strafford | 3 days |
| Aug 13, 12:42 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Sullivan | 2 hr |
| Aug 13, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough | 47 min |
| Aug 13, 5:02 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 43 min |
| Aug 13, 5:04 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 41 min |
| Aug 13, 5:45 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 45 min |
| Aug 13, 5:53 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 34 min |
| Aug 13, 5:54 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham, Strafford | 36 min |
| Aug 13, 7:09 PM EDT | Flash Flood Warning | GYX | Hillsborough, Rockingham | 3 hr |
| Aug 14, 4:44 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 34 min |
| Aug 17, 1:41 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 2 hr |
| Aug 20, 1:51 PM EDT | Rip Current Statement | GYX | Rockingham | 30 hr |
| Aug 20, 1:51 PM EDT | High Surf Advisory | GYX | Rockingham | 3 days |
| Aug 21, 1:27 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 36 hr |
| Aug 23, 7:58 PM EDT | High Surf Advisory | GYX | Rockingham | 24 hr |
| Aug 27, 1:57 PM EDT | Special Weather Statement | GYX | Hillsborough | 33 min |
| Aug 27, 2:59 PM EDT | Special Weather Statement | GYX | Strafford | 31 min |
| Sep 6, 11:56 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 94 min |
| Sep 6, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 7 hr |
| Sep 6, 2:31 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton | 21 min |
| Sep 6, 2:40 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough, Merrimack, Sullivan | 65 min |
| Sep 6, 3:12 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 48 min |
| Sep 6, 3:18 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 42 min |
| Sep 6, 3:45 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Strafford | 30 min |
| Sep 6, 3:48 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 42 min |
| Sep 6, 3:49 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Hillsborough, Rockingham, Strafford | 86 min |
| Sep 6, 3:54 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 36 min |
| Sep 8, 1:19 AM EDT | Frost Advisory | GYX | Coos | 31 hr |
| Sep 11, 1:15 AM EDT | Frost Advisory | GYX | Coos | 31 hr |
| Sep 18, 1:30 PM EDT | Freeze Watch | GYX | Coos | 12 hr |
| Sep 19, 1:24 AM EDT | Frost Advisory | GYX | Carroll, Grafton | 31 hr |
| Sep 19, 1:24 AM EDT | Freeze Warning | GYX | Coos | 31 hr |
| Sep 20, 1:36 AM EDT | Frost Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Merrimack, Sullivan | 30 hr |
| Sep 20, 1:36 AM EDT | Freeze Warning | GYX | Carroll, Coos, Grafton | 30 hr |
| Sep 23, 1:11 PM EDT | Rip Current Statement | GYX | Rockingham | 30 hr |
| Sep 30, 1:56 PM EDT | Frost Advisory | GYX | Carroll, Grafton | 18 hr |
| Sep 30, 1:56 PM EDT | Freeze Warning | GYX | Coos | 18 hr |
| Oct 1, 1:17 AM EDT | High Surf Advisory | GYX | Rockingham | 19 hr |
| Oct 1, 12:18 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Sullivan | 20 hr |
| Oct 1, 12:18 PM EDT | Freeze Warning | GYX | Grafton | 20 hr |
| Oct 2, 1:14 AM EDT | Rip Current Statement | GYX | Rockingham | 16 hr |
| Oct 8, 2:07 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Sullivan | 18 hr |
| Oct 8, 2:07 PM EDT | Freeze Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 11 hr |
| Oct 9, 12:47 AM EDT | Freeze Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 31 hr |
| Oct 11, 1:25 PM EDT | Rip Current Statement | GYX | Rockingham | 30 hr |
| Oct 12, 2:03 AM EDT | High Surf Advisory | GYX | Rockingham | 66 hr |
| Nov 3, 12:05 PM EST | Wind Advisory | GYX | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 30 hr |
| Nov 4, 6:13 PM EST | High Wind Watch | GYX | Cheshire, Hillsborough, Rockingham | 18 hr |
| Nov 5, 12:22 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 18 hr |
| Nov 7, 12:13 AM EST | Coastal Flood Statement | GYX | Rockingham | 13 hr |
| Nov 8, 12:15 PM EST | Coastal Flood Statement | GYX | Rockingham | 105 min |
| Nov 14, 12:30 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 43 hr |
| Nov 28, 9:32 AM EST | Special Weather Statement | GYX | Belknap, Merrimack, Sullivan | 28 min |
| Nov 28, 10:23 AM EST | Special Weather Statement | GYX | Sullivan | 52 min |
| Nov 28, 11:10 AM EST | Special Weather Statement | GYX | Strafford | 50 min |
| Nov 28, 1:04 PM EST | Special Weather Statement | GYX | Rockingham | 41 min |
| Nov 28, 2:19 PM EST | Special Weather Statement | GYX | Hillsborough, Rockingham | 56 min |
| Nov 30, 1:01 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 24 hr |
| Dec 1, 12:36 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 39 hr |
| Dec 1, 12:36 PM EST | Winter Weather Advisory | GYX | Coos, Grafton | 39 hr |
| Dec 2, 1:34 PM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 4 hr |
| Dec 2, 8:12 PM EST | Mesoscale Discussion | SPC | Strafford | 6 hr |
| Dec 3, 11:42 PM EST | Cold Weather Advisory | GYX | Coos, Grafton | 32 hr |
| Dec 4, 12:16 PM EST | Special Weather Statement | GYX | Merrimack, Sullivan | 44 min |
| Dec 4, 12:45 PM EST | Special Weather Statement | GYX | Strafford | 30 min |
| Dec 4, 2:16 PM EST | Special Weather Statement | GYX | Hillsborough, Rockingham | 44 min |
| Dec 4, 3:04 PM EST | Special Weather Statement | GYX | Belknap, Carroll, Merrimack, Sullivan | 56 min |
| Dec 4, 3:33 PM EST | Snow Squall Warning | GYX | Belknap, Carroll, Strafford | 42 min |
| Dec 4, 4:06 PM EST | Special Weather Statement | GYX | Rockingham | 39 min |
| Dec 4, 4:15 PM EST | Special Weather Statement | GYX | Strafford | 30 min |
| Dec 4, 4:22 PM EST | Snow Squall Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 38 min |
| Dec 6, 2:59 AM EST | Coastal Flood Statement | GYX | Rockingham | 10 hr |
| Dec 9, 12:57 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford | 36 hr |
| Dec 17, 11:58 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 56 hr |
| Dec 22, 11:40 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 49 hr |
| Dec 22, 10:53 PM EST | Winter Storm Warning | GYX | Carroll | 38 hr |
| Dec 26, 7:49 PM EST | Winter Weather Advisory | GYX | Cheshire | 10 hr |
| Dec 27, 12:23 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 55 hr |
| Dec 28, 2:57 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Sullivan | 28 hr |
| Dec 28, 9:40 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 1 more | 5 hr |
| Dec 29, 12:22 PM EST | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 30 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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 nowTornadoes on recordThe radar archive20242026
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.