Weather alerts in New Hampshire, 2008
591 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 591
- Warnings
- 260
- Watches
- 73
- Advisories
- 170
- Busiest month
- July126 alerts
- Busiest day
- August 10, 200827 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 4 tornado warnings covering New Hampshire in 2008 had a tornado report inside them; 6 of 13 tornado reports fell inside a warning, on average 10 minutes after it went out.
New Hampshire, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 13 | 46% | 10 min |
| Severe thunderstorm warnings | 165 | 86 | 48% | 132 | 79% | 20 min |
| Flash flood warnings | 15 | 7 | 53% | 13 | 62% | 74 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boston/Norton, MA: tornado warnings | 3 | 1 | 67% | 1 | 100% | 1 min |
| NWS Boston/Norton, MA: severe thunderstorm warnings | 287 | 176 | 39% | 571 | 80% | 21 min |
| NWS Boston/Norton, MA: flash flood warnings | 16 | 7 | 56% | 56 | 57% | 35 min |
| NWS Gray, ME: tornado warnings | 4 | 2 | 50% | 14 | 43% | 10 min |
| NWS Gray, ME: severe thunderstorm warnings | 223 | 96 | 57% | 231 | 80% | 21 min |
| NWS Gray, ME: flash flood warnings | 16 | 9 | 44% | 17 | 65% | 50 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 |
|---|---|---|---|---|
| Dec 31, 9:03 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 34 hr |
| Jan 1, 4:12 AM EST | Snow Advisory | BOX | Cheshire, Hillsborough | 12 hr |
| Jan 1, 12:00 PM EST | Winter Weather Advisory | GYX | Rockingham | 7 hr |
| Jan 9, 3:22 AM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 18 hr |
| Jan 9, 3:53 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 13 hr |
| Jan 10, 3:33 AM EST | Flood Watch | GYX | Carroll, Coos, Grafton | 37 hr |
| Jan 10, 3:03 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 28 hr |
| Jan 10, 4:22 PM EST | Freezing Rain Advisory | BOX | Cheshire, Hillsborough | 14 hr |
| Jan 11, 8:03 AM EST | Mesoscale Discussion | SPC | Carroll, Coos, Grafton | 6 hr |
| Jan 13, 12:00 PM EST | Heavy Snow Warning | BOX | Cheshire, Hillsborough | 27 hr |
| Jan 13, 3:41 PM EST | Heavy Snow Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 31 hr |
| Jan 13, 3:41 PM EST | Snow Advisory | GYX | Coos, Grafton | 31 hr |
| Jan 13, 11:30 PM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford | 5 hr |
| Jan 14, 7:09 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 5 hr |
| Jan 17, 3:09 AM EST | Winter Storm Watch | GYX | Coos | 12 hr |
| Jan 17, 3:22 PM EST | Snow Advisory | GYX | Carroll, Coos, Grafton | 21 hr |
| Jan 17, 3:22 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 20 hr |
| Jan 17, 4:25 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 18 hr |
| Jan 18, 12:57 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 6 hr |
| Jan 18, 7:26 AM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Sullivan | 4 hr |
| Jan 20, 3:26 PM EST | Wind Chill Advisory | GYX | Carroll, Coos, Grafton | 20 hr |
| Jan 27, 8:50 AM EST | Snow Advisory | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 3 hr |
| Jan 29, 3:39 PM EST | Freezing Rain Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 18 hr |
| Jan 30, 3:28 AM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 15 hr |
| Jan 30, 4:02 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 14 hr |
| Jan 31, 3:21 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 25 hr |
| Jan 31, 4:28 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 12 hr |
| Feb 1, 4:01 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 24 hr |
| Feb 1, 4:01 AM EST | Winter Weather Advisory | GYX | Rockingham, Strafford | 24 hr |
| Feb 1, 4:11 AM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 31 hr |
| Feb 1, 4:38 AM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 6 hr |
| Feb 1, 4:38 AM EST | Winter Weather Advisory | BOX | Hillsborough | 14 hr |
| Feb 1, 4:45 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 30 hr |
| Feb 1, 11:04 AM EST | Ice Storm Warning | BOX | Cheshire, Hillsborough | 12 hr |
| Feb 1, 1:15 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 4 hr |
| Feb 1, 7:33 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 4 hr |
| Feb 4, 10:02 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton | 14 hr |
| Feb 5, 1:10 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 3 hr |
| Feb 5, 6:57 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 6 hr |
| Feb 5, 3:31 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 13 hr |
| Feb 5, 3:59 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 42 hr |
| Feb 5, 5:06 PM EST | Dense Fog Advisory | BOX | Cheshire, Hillsborough | 11 hr |
| Feb 6, 3:30 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 27 hr |
| Feb 6, 4:53 AM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 23 hr |
| Feb 6, 4:53 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 31 hr |
| Feb 7, 1:31 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton | 4 hr |
| Feb 8, 3:44 PM EST | Winter Storm Watch | GYX | Carroll, Coos, Grafton | 11 hr |
| Feb 9, 3:01 AM EST | Snow Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 43 hr |
| Feb 9, 4:29 AM EST | Snow Advisory | BOX | Cheshire, Hillsborough | 23 hr |
| Feb 9, 3:44 PM EST | Heavy Snow Warning | GYX | Coos, Grafton | 36 hr |
| Feb 10, 2:58 AM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 33 hr |
| Feb 10, 4:31 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 32 hr |
| Feb 11, 3:37 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 13 hr |
| Feb 11, 3:47 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 13 hr |
| Feb 12, 4:20 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 41 hr |
| Feb 12, 4:59 AM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 38 hr |
| Feb 12, 11:13 AM EST | Flood Watch | BOX | Hillsborough | 34 hr |
| Feb 12, 7:41 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 6 hr |
| Feb 13, 1:31 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 6 hr |
| Feb 13, 7:49 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 4 hr |
| Feb 13, 1:21 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 6 hr |
| Feb 13, 3:53 PM EST | Freezing Rain Advisory | BOX | Hillsborough | 4 hr |
| Feb 17, 4:17 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 30 hr |
| Feb 21, 3:46 PM EST | Snow Advisory | GYX | Merrimack, Rockingham, Strafford, Sullivan | 30 hr |
| Feb 21, 4:09 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 33 hr |
| Feb 22, 12:51 PM EST | Mesoscale Discussion | SPC | Hillsborough, Rockingham | 6 hr |
| Feb 25, 3:29 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 25 hr |
| Feb 25, 3:43 AM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 25 hr |
| Feb 26, 4:10 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 31 hr |
| Feb 26, 4:10 AM EST | Winter Weather Advisory | GYX | Rockingham | 24 hr |
| Feb 26, 4:39 AM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 19 hr |
| Feb 26, 6:18 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 3 more | 6 hr |
| Feb 28, 3:29 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 13 hr |
| Feb 28, 4:18 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 13 hr |
| Feb 29, 4:06 AM EST | Heavy Snow Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 41 hr |
| Feb 29, 5:08 AM EST | Heavy Snow Warning | BOX | Cheshire, Hillsborough | 31 hr |
| Mar 1, 8:25 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Strafford | 5 hr |
| Mar 3, 4:57 AM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 24 hr |
| Mar 3, 4:08 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 11 hr |
| Mar 4, 3:16 AM EST | Winter Storm Warning | GYX | Carroll, Coos, Grafton | 36 hr |
| Mar 4, 3:16 AM EST | Winter Weather Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford, Sullivan | 36 hr |
| Mar 4, 4:28 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 20 hr |
| Mar 4, 4:45 AM EST | Flood Watch | BOX | Cheshire, Hillsborough | 31 hr |
| Mar 5, 7:42 AM EST | Mesoscale Discussion | SPC | Carroll, Coos, Grafton | 5 hr |
| Mar 6, 3:53 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more | 24 hr |
| Mar 6, 4:46 PM EST | Flood Watch | BOX | Cheshire, Hillsborough | 54 hr |
| Mar 7, 3:26 PM EST | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 53 hr |
| Mar 7, 3:44 PM EST | Winter Storm Warning | GYX | Carroll, Coos | 39 hr |
| Mar 7, 3:44 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 39 hr |
| Mar 8, 11:30 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 26 hr |
| Mar 8, 3:25 PM EST | Coastal Flood Advisory | GYX | Rockingham | 11 hr |
| Mar 8, 3:36 PM EST | Wind Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 19 hr |
| Mar 9, 3:17 AM EDT | River Flood Warning | BOX | Hillsborough | 50 hr |
| Mar 9, 7:35 AM EDT | River Flood Warning | GYX | Carroll | 10 hr |
| Mar 14, 3:47 AM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 31 hr |
| Mar 14, 4:31 PM EDT | Snow Advisory | BOX | Cheshire, Hillsborough | 15 hr |
| Mar 18, 3:37 PM EDT | Winter Storm Watch | GYX | Carroll, Coos, Grafton | 12 hr |
| Mar 18, 4:40 PM EDT | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 21 hr |
| Mar 19, 4:04 AM EDT | Winter Storm Warning | GYX | Coos, Grafton | 59 hr |
| Mar 19, 4:04 AM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 24 hr |
| Mar 20, 3:49 AM EDT | High Wind Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 24 hr |
| Mar 20, 3:56 AM EDT | Winter Weather Advisory | GYX | Carroll | 7 hr |
| Mar 20, 4:23 PM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 27 hr |
| Mar 21, 4:06 AM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 16 hr |
| Mar 27, 10:38 AM EDT | Winter Storm Watch | GYX | Belknap, Merrimack, Rockingham, Strafford, Sullivan | 5 hr |
| Mar 27, 11:00 AM EDT | Winter Storm Watch | BOX | Cheshire, Hillsborough | 6 hr |
| Mar 27, 3:45 PM EDT | Winter Storm Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 21 hr |
| Mar 27, 3:45 PM EDT | Winter Weather Advisory | GYX | Carroll, Grafton, Rockingham, Strafford | 21 hr |
| Mar 27, 4:34 PM EDT | Winter Storm Warning | BOX | Cheshire, Hillsborough | 20 hr |
| Mar 27, 4:34 PM EDT | Winter Weather Advisory | BOX | Hillsborough | 20 hr |
| Apr 1, 3:33 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 26 hr |
| Apr 1, 4:10 PM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 24 hr |
| Apr 4, 3:50 AM EDT | Winter Weather Advisory | GYX | Coos | 19 hr |
| Apr 6, 3:13 PM EDT | Coastal Flood Statement | GYX | Rockingham | 10 hr |
| Apr 7, 8:57 PM EDT | Coastal Flood Statement | GYX | Rockingham | 4 hr |
| Apr 11, 3:36 AM EDT | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 44 hr |
| Apr 12, 3:30 PM EDT | River Flood Warning | GYX | Grafton, Sullivan | 18 hr |
| Apr 20, 9:29 PM EDT | River Flood Warning | GYX | Coos | 69 hr |
| Apr 23, 2:53 PM EDT | Fire Weather Watch | GYX | 19 hr | |
| Apr 23, 3:15 PM EDT | Fire Weather Watch | BOX | 13 hr | |
| Apr 24, 4:28 AM EDT | Red Flag Warning | BOX | 14 hr | |
| Apr 24, 9:44 AM EDT | Red Flag Warning | GYX | 10 hr | |
| Apr 28, 3:23 AM EDT | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 38 hr |
| Apr 29, 12:50 AM EDT | River Flood Warning | GYX | Grafton | 9 hr |
| Apr 29, 12:50 AM EDT | River Flood Warning | GYX | Grafton | 29 hr |
| Apr 29, 1:11 AM EDT | River Flood Warning | GYX | Carroll | 27 hr |
| Apr 29, 1:41 AM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 43 days |
| Apr 29, 7:51 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Coos, Rockingham, Strafford | 55 days |
| Apr 29, 10:34 AM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Rockingham | 59 days |
| Apr 29, 11:42 AM EDT | River Flood Warning | GYX | Coos | 24 hr |
| Apr 29, 11:42 AM EDT | River Flood Warning | GYX | Grafton, Sullivan | 11 hr |
| Apr 29, 11:42 AM EDT | River Flood Warning | GYX | Merrimack | 17 hr |
| May 4, 10:35 PM EDT | Coastal Flood Statement | GYX | Rockingham | 85 min |
| May 5, 4:44 AM EDT | Dense Fog Advisory | BOX | Hillsborough | 2 hr |
| May 6, 9:40 PM EDT | Coastal Flood Statement | GYX | Rockingham | 46 min |
| May 6, 10:26 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 4 hr |
| May 12, 3:52 PM EDT | Fire Weather Watch | GYX | 27 hr | |
| May 12, 4:12 PM EDT | Fire Weather Watch | BOX | 19 hr | |
| May 13, 10:14 AM EDT | Red Flag Warning | GYX | 9 hr | |
| May 25, 4:33 PM EDT | Fire Weather Watch | BOX | 11 hr | |
| May 26, 3:28 AM EDT | Red Flag Warning | BOX | 17 hr | |
| May 27, 11:20 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 115 min |
| May 27, 12:24 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford | 8 hr |
| May 27, 2:45 PM EDT | Mesoscale Discussion | SPC | Hillsborough, Rockingham | 90 min |
| May 28, 4:33 PM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 13 hr |
| May 28, 4:40 PM EDT | Fire Weather Watch | BOX | 12 hr | |
| May 29, 4:46 AM EDT | Red Flag Warning | BOX | 13 hr | |
| May 29, 5:40 AM EDT | Red Flag Warning | GYX | 13 hr | |
| May 31, 5:34 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 26 min |
| May 31, 5:59 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 3 hr |
| May 31, 8:35 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 55 min |
| Jun 4, 2:12 PM EDT | Coastal Flood Statement | GYX | Rockingham | 12 hr |
| Jun 5, 3:11 PM EDT | Coastal Flood Statement | GYX | Rockingham | 12 hr |
| Jun 8, 12:39 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 7 hr |
| Jun 8, 4:53 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack, Sullivan | 52 min |
| Jun 9, 5:12 AM EDT | Excessive Heat Watch | BOX | Hillsborough | 23 hr |
| Jun 10, 4:21 AM EDT | Heat Advisory | BOX | Hillsborough | 14 hr |
| Jun 10, 12:34 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 86 min |
| Jun 10, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 11 hr |
| Jun 10, 4:17 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 58 min |
| Jun 10, 4:38 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 22 min |
| Jun 10, 4:41 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 49 min |
| Jun 10, 4:59 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 46 min |
| Jun 10, 5:11 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 34 min |
| Jun 10, 5:37 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 38 min |
| Jun 10, 5:47 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 7 hr |
| Jun 10, 5:49 PM EDT | Mesoscale Discussion | SPC | Coos | 56 min |
| Jun 10, 7:44 PM EDT | Severe Thunderstorm Warning | GYX | Sullivan | 61 min |
| Jun 10, 8:23 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 67 min |
| Jun 10, 8:49 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 56 min |
| Jun 10, 9:09 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 51 min |
| Jun 10, 9:24 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 66 min |
| Jun 10, 9:38 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 52 min |
| Jun 10, 10:03 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 57 min |
| Jun 10, 10:10 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 65 min |
| Jun 10, 10:14 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 61 min |
| Jun 10, 10:26 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 48 min |
| Jun 10, 10:33 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 57 min |
| Jun 10, 10:36 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 54 min |
| Jun 10, 11:33 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 32 min |
| Jun 10, 11:57 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 33 min |
| Jun 11, 12:14 AM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 30 min |
| Jun 12, 3:17 PM EDT | Frost Advisory | GYX | Coos, Grafton | 15 hr |
| Jun 16, 3:27 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 5 hr |
| Jun 16, 4:48 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 57 min |
| Jun 16, 5:28 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 77 min |
| Jun 17, 10:44 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 61 min |
| Jun 17, 12:41 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 34 min |
| Jun 17, 1:11 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 64 min |
| Jun 17, 4:08 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 35 min |
| Jun 17, 6:36 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Strafford | 39 min |
| Jun 22, 10:31 AM EDT | Mesoscale Discussion | SPC | Sullivan | 89 min |
| Jun 22, 12:00 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 30 min |
| Jun 22, 12:25 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton, Merrimack | 50 min |
| Jun 22, 12:39 PM EDT | Severe Thunderstorm Warning | GYX | Sullivan | 36 min |
| Jun 22, 1:10 PM EDT | Tornado Warning | GYX | Belknap, Carroll, Grafton | 35 min |
| Jun 22, 1:43 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 32 min |
| Jun 22, 1:49 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 26 min |
| Jun 22, 2:07 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 83 min |
| Jun 22, 2:15 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Strafford | 60 min |
| Jun 22, 2:28 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 47 min |
| Jun 22, 3:24 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 37 min |
| Jun 22, 4:07 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 113 min |
| Jun 23, 3:30 AM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 90 min |
| Jun 23, 6:09 AM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 36 min |
| Jun 23, 6:36 AM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 24 min |
| Jun 23, 11:10 AM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Merrimack, Sullivan | 95 min |
| Jun 23, 1:13 PM EDT | Areal Flood Advisory | BOX | Cheshire | 3 hr |
| Jun 23, 1:53 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 52 min |
| Jun 23, 2:38 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 67 min |
| Jun 23, 3:06 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham, Strafford | 69 min |
| Jun 23, 3:36 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 2 hr |
| Jun 23, 4:33 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 96 min |
| Jun 24, 12:07 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 113 min |
| Jun 24, 2:45 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 45 min |
| Jun 24, 3:14 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 31 min |
| Jun 24, 3:31 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 29 min |
| Jun 24, 3:33 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 27 min |
| Jun 24, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 42 min |
| Jun 24, 3:51 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 39 min |
| Jun 24, 4:19 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 56 min |
| Jun 24, 4:47 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jun 24, 5:05 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 25 min |
| Jun 27, 12:10 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 3 hr |
| Jun 27, 2:06 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 54 min |
| Jun 27, 3:57 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 33 min |
| Jun 27, 4:46 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 59 min |
| Jun 27, 5:12 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 30 min |
| Jun 27, 5:16 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 59 min |
| Jun 27, 6:04 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 116 min |
| Jun 27, 6:30 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 60 min |
| Jun 29, 3:03 AM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Coos, Grafton | 31 hr |
| Jun 29, 8:46 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Coos, Grafton | 119 min |
| Jun 29, 3:28 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 32 min |
| Jun 29, 3:54 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 36 min |
| Jun 29, 4:06 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Sullivan | 54 min |
| Jun 29, 4:16 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 44 min |
| Jun 29, 4:23 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 22 min |
| Jun 29, 4:37 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 38 min |
| Jun 29, 5:01 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 44 min |
| Jun 29, 5:05 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 40 min |
| Jun 29, 5:19 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 56 min |
| Jun 29, 5:35 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 25 min |
| Jun 29, 5:46 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack | 44 min |
| Jun 29, 7:13 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 92 min |
| Jun 29, 11:58 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Sullivan | 92 min |
| Jun 30, 12:15 AM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Sullivan | 90 min |
| Jun 30, 2:16 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 89 min |
| Jul 1, 12:19 PM EDT | Mesoscale Discussion | SPC | Hillsborough | 2 hr |
| Jul 1, 4:09 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 39 min |
| Jul 1, 4:41 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 49 min |
| Jul 2, 12:18 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 2 hr |
| Jul 2, 1:57 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 33 min |
| Jul 2, 3:01 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 44 min |
| Jul 2, 3:49 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Jul 2, 4:04 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 41 min |
| Jul 2, 4:08 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 37 min |
| Jul 2, 4:28 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 32 min |
| Jul 2, 4:51 PM EDT | Flash Flood Warning | GYX | Coos | 114 min |
| Jul 2, 4:54 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 51 min |
| Jul 2, 5:08 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack | 22 min |
| Jul 2, 5:39 PM EDT | Areal Flood Advisory | GYX | Belknap, Carroll | 96 min |
| Jul 3, 6:26 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 64 min |
| Jul 8, 5:32 PM EDT | Areal Flood Advisory | BOX | Cheshire | 88 min |
| Jul 9, 12:32 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 118 min |
| Jul 9, 3:59 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 46 min |
| Jul 9, 4:07 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 38 min |
| Jul 18, 11:11 AM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 34 min |
| Jul 18, 12:26 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 49 min |
| Jul 18, 12:44 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 61 min |
| Jul 18, 1:24 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 7 hr |
| Jul 18, 1:35 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton | 40 min |
| Jul 18, 1:58 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 47 min |
| Jul 18, 2:05 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 40 min |
| Jul 18, 2:26 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton, Strafford | 34 min |
| Jul 18, 3:11 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 49 min |
| Jul 18, 4:00 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 45 min |
| Jul 18, 4:10 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 2 hr |
| Jul 18, 4:11 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 49 min |
| Jul 18, 4:38 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack | 52 min |
| Jul 18, 4:48 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 42 min |
| Jul 18, 4:52 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack, Sullivan | 38 min |
| Jul 18, 4:58 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 47 min |
| Jul 18, 5:04 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Strafford | 41 min |
| Jul 18, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 40 min |
| Jul 18, 5:39 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack, Sullivan | 51 min |
| Jul 18, 5:42 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 48 min |
| Jul 18, 5:48 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 42 min |
| Jul 18, 6:13 PM EDT | Tornado Warning | GYX | Strafford | 21 min |
| Jul 18, 6:34 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 56 min |
| Jul 18, 6:57 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 33 min |
| Jul 18, 7:30 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 90 min |
| Jul 19, 12:04 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 116 min |
| Jul 19, 1:26 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 7 hr |
| Jul 19, 2:20 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 55 min |
| Jul 19, 2:52 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Strafford | 53 min |
| Jul 19, 3:43 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Strafford | 62 min |
| Jul 19, 4:01 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Sullivan | 59 min |
| Jul 19, 4:38 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham, Strafford | 58 min |
| Jul 19, 4:44 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 91 min |
| Jul 20, 11:46 AM EDT | Flash Flood Watch | GYX | Carroll, Coos, Grafton | 16 hr |
| Jul 20, 12:53 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 2 hr |
| Jul 20, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 8 hr |
| Jul 20, 4:21 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 13 hr |
| Jul 20, 4:28 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan | 2 hr |
| Jul 20, 4:45 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 30 min |
| Jul 20, 4:57 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 48 min |
| Jul 20, 4:59 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 31 min |
| Jul 20, 5:25 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 20 min |
| Jul 20, 7:14 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 46 min |
| Jul 20, 7:27 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 63 min |
| Jul 20, 7:34 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Sullivan | 56 min |
| Jul 20, 7:56 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 40 min |
| Jul 20, 8:21 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 39 min |
| Jul 20, 8:54 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 66 min |
| Jul 20, 8:58 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 47 min |
| Jul 20, 10:30 PM EDT | Areal Flood Advisory | GYX | Rockingham | 3 hr |
| Jul 21, 1:12 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 21, 2:31 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 59 min |
| Jul 21, 4:20 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Jul 22, 5:03 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 22, 5:43 PM EDT | Areal Flood Advisory | GYX | Merrimack, Sullivan | 3 hr |
| Jul 22, 6:34 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 23, 2:18 PM EDT | Flood Watch | BOX | Cheshire, Hillsborough | 36 hr |
| Jul 23, 3:26 PM EDT | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 35 hr |
| Jul 23, 4:38 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jul 23, 10:58 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 24, 7:11 AM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jul 24, 10:02 AM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 118 min |
| Jul 24, 10:40 AM EDT | Mesoscale Discussion | SPC | Rockingham, Strafford | 2 hr |
| Jul 24, 11:33 AM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 27 min |
| Jul 24, 11:41 AM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Strafford | 49 min |
| Jul 24, 11:46 AM EDT | Tornado Warning | GYX | Belknap, Strafford | 29 min |
| Jul 24, 12:00 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Rockingham, Strafford | 45 min |
| Jul 24, 12:19 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jul 24, 12:34 PM EDT | Tornado Warning | GYX | Carroll | 26 min |
| Jul 24, 12:44 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Strafford | 46 min |
| Jul 24, 12:56 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 49 min |
| Jul 24, 1:08 PM EDT | Areal Flood Warning | GYX | Carroll, Rockingham, Strafford | 4 hr |
| Jul 24, 3:00 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 24, 3:42 PM EDT | Areal Flood Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Sullivan | 6 hr |
| Jul 24, 3:49 PM EDT | Mesoscale Discussion | SPC | Carroll, Rockingham, Strafford | 116 min |
| Jul 24, 4:56 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Strafford | 34 min |
| Jul 24, 4:57 PM EDT | Areal Flood Warning | GYX | Coos | 6 hr |
| Jul 24, 5:11 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jul 24, 5:22 PM EDT | Areal Flood Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 6 hr |
| Jul 24, 5:36 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 39 min |
| Jul 24, 8:49 PM EDT | River Flood Warning | GYX | Grafton | 3 hr |
| Jul 27, 11:42 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 2 hr |
| Jul 27, 12:02 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 7 hr |
| Jul 27, 2:06 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 39 min |
| Jul 27, 2:23 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Jul 27, 2:54 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 21 min |
| Jul 27, 3:12 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 48 min |
| Jul 27, 3:41 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 2 hr |
| Jul 27, 3:45 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Jul 27, 3:45 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Sullivan | 60 min |
| Jul 27, 3:49 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 56 min |
| Jul 27, 3:53 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 37 min |
| Jul 27, 4:02 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 58 min |
| Jul 27, 4:18 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack | 117 min |
| Jul 27, 4:30 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 60 min |
| Jul 27, 4:34 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford | 116 min |
| Jul 27, 4:45 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Strafford | 45 min |
| Jul 27, 5:18 PM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 117 min |
| Jul 28, 1:23 PM EDT | Areal Flood Advisory | BOX | Cheshire | 3 hr |
| Jul 28, 1:58 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 2 hr |
| Jul 31, 12:38 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 97 min |
| Jul 31, 1:25 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Jul 31, 3:40 PM EDT | Areal Flood Advisory | GYX | Coos | 2 hr |
| Jul 31, 4:38 PM EDT | Areal Flood Advisory | GYX | Grafton | 112 min |
| Jul 31, 6:20 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 40 min |
| Jul 31, 6:25 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham | 35 min |
| Jul 31, 7:21 PM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 84 min |
| Aug 2, 3:50 AM EDT | Flood Watch | GYX | Carroll, Coos, Grafton | 48 hr |
| Aug 2, 12:32 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 88 min |
| Aug 2, 3:45 PM EDT | Areal Flood Advisory | GYX | Coos | 2 hr |
| Aug 2, 4:54 PM EDT | Areal Flood Advisory | GYX | Grafton | 111 min |
| Aug 2, 6:24 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack | 81 min |
| Aug 2, 8:40 PM EDT | Areal Flood Advisory | GYX | Grafton | 3 hr |
| Aug 2, 8:56 PM EDT | Flash Flood Warning | GYX | Grafton | 4 hr |
| Aug 3, 7:18 AM EDT | Areal Flood Advisory | GYX | Grafton | 3 hr |
| Aug 3, 10:22 AM EDT | Areal Flood Advisory | GYX | Grafton | 3 hr |
| Aug 3, 10:27 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 3 hr |
| Aug 3, 4:29 PM EDT | Areal Flood Advisory | GYX | Carroll | 3 hr |
| Aug 3, 4:56 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos | 3 hr |
| Aug 5, 3:33 PM EDT | Flood Watch | GYX | Carroll, Coos, Grafton | 55 hr |
| Aug 6, 9:57 AM EDT | Flash Flood Warning | GYX | Coos, Grafton | 3 hr |
| Aug 6, 10:51 AM EDT | Areal Flood Warning | GYX | Coos | 3 hr |
| Aug 6, 7:50 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 25 min |
| Aug 6, 9:48 PM EDT | Areal Flood Advisory | GYX | Coos | 4 hr |
| Aug 7, 1:45 AM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Aug 7, 11:34 AM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Sullivan | 116 min |
| Aug 7, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 8 hr |
| Aug 7, 1:36 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 21 min |
| Aug 7, 3:41 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 64 min |
| Aug 7, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 61 min |
| Aug 7, 3:57 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 2 hr |
| Aug 7, 4:25 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 65 min |
| Aug 7, 4:49 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 56 min |
| Aug 7, 5:06 PM EDT | Areal Flood Warning | GYX | Grafton | 3 hr |
| Aug 7, 5:48 PM EDT | Areal Flood Warning | GYX | Belknap, Carroll | 3 hr |
| Aug 7, 6:11 PM EDT | Flash Flood Warning | GYX | Belknap, Grafton | 3 hr |
| Aug 7, 6:18 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 57 min |
| Aug 7, 7:26 PM EDT | Flash Flood Warning | GYX | Belknap, Merrimack | 3 hr |
| Aug 7, 8:27 PM EDT | Areal Flood Warning | GYX | Carroll, Grafton | 3 hr |
| Aug 7, 10:17 PM EDT | Flood Watch | GYX | Rockingham, Strafford | 23 hr |
| Aug 7, 10:17 PM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 23 hr |
| Aug 8, 4:16 AM EDT | Areal Flood Warning | GYX | Strafford | 4 hr |
| Aug 8, 8:46 AM EDT | Areal Flood Warning | GYX | Strafford | 3 hr |
| Aug 8, 3:39 PM EDT | Areal Flood Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 3 hr |
| Aug 8, 4:06 PM EDT | Areal Flood Warning | GYX | Grafton, Sullivan | 3 hr |
| Aug 8, 5:18 PM EDT | Flash Flood Warning | GYX | Belknap, Grafton | 117 min |
| Aug 8, 5:30 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 45 min |
| Aug 8, 5:36 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 24 min |
| Aug 10, 3:50 AM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 20 hr |
| Aug 10, 1:12 PM EDT | Areal Flood Advisory | GYX | Belknap | 3 hr |
| Aug 10, 2:30 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 45 min |
| Aug 10, 3:04 PM EDT | Flash Flood Warning | GYX | Grafton | 4 hr |
| Aug 10, 3:32 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 58 min |
| Aug 10, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 31 min |
| Aug 10, 3:49 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 56 min |
| Aug 10, 3:54 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 36 min |
| Aug 10, 4:00 PM EDT | Areal Flood Advisory | GYX | Merrimack | 3 hr |
| Aug 10, 4:15 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 30 min |
| Aug 10, 4:23 PM EDT | Areal Flood Advisory | GYX | Rockingham | 3 hr |
| Aug 10, 4:29 PM EDT | Severe Thunderstorm Warning | GYX | Sullivan | 61 min |
| Aug 10, 4:35 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 55 min |
| Aug 10, 4:50 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton, Merrimack | 70 min |
| Aug 10, 4:54 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 2 hr |
| Aug 10, 4:58 PM EDT | Flash Flood Warning | GYX | Belknap | 3 hr |
| Aug 10, 5:08 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 28 min |
| Aug 10, 5:14 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 30 min |
| Aug 10, 5:15 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 60 min |
| Aug 10, 5:39 PM EDT | Areal Flood Advisory | GYX | Grafton | 3 hr |
| Aug 10, 5:41 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack | 64 min |
| Aug 10, 6:20 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 32 min |
| Aug 10, 6:21 PM EDT | Areal Flood Advisory | GYX | Carroll | 3 hr |
| Aug 10, 6:30 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 60 min |
| Aug 10, 7:01 PM EDT | Flash Flood Warning | GYX | Grafton, Merrimack | 3 hr |
| Aug 10, 7:32 PM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Grafton | 3 hr |
| Aug 10, 7:44 PM EDT | Flash Flood Warning | GYX | Carroll | 2 hr |
| Aug 11, 5:49 AM EDT | Areal Flood Advisory | GYX | Carroll | 116 min |
| Aug 11, 6:21 AM EDT | Areal Flood Advisory | GYX | Strafford | 84 min |
| Aug 11, 7:11 AM EDT | Flash Flood Warning | GYX | Carroll | 109 min |
| Aug 11, 8:34 AM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 13 hr |
| Aug 11, 9:07 AM EDT | Areal Flood Warning | GYX | Carroll, Strafford | 4 hr |
| Aug 11, 10:15 AM EDT | Flash Flood Warning | GYX | Grafton | 3 hr |
| Aug 11, 12:47 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Aug 11, 1:14 PM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 15 min |
| Aug 11, 1:34 PM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 8 hr |
| Aug 12, 12:01 AM EDT | Areal Flood Advisory | GYX | Rockingham | 3 hr |
| Aug 16, 12:56 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 2 hr |
| Aug 16, 1:17 PM EDT | Areal Flood Advisory | GYX | Strafford | 118 min |
| Aug 16, 2:18 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 42 min |
| Aug 16, 2:27 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton | 33 min |
| Aug 16, 2:42 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 33 min |
| Aug 16, 2:48 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 42 min |
| Aug 16, 3:22 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 38 min |
| Aug 16, 3:27 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 33 min |
| Aug 18, 1:17 PM EDT | Mesoscale Discussion | SPC | Coos, Grafton | 88 min |
| Aug 18, 3:12 PM EDT | Severe Thunderstorm Watch | SPC | Carroll, Coos, Grafton | 7 hr |
| Aug 18, 7:49 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 56 min |
| Aug 18, 8:12 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 53 min |
| Aug 18, 8:42 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 93 min |
| Aug 18, 8:52 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 38 min |
| Aug 18, 9:31 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 44 min |
| Aug 18, 11:41 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Merrimack | 34 min |
| Sep 5, 2:16 PM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 37 hr |
| Sep 5, 3:25 PM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford, Sullivan | 35 hr |
| Sep 6, 7:59 AM EDT | Areal Flood Advisory | GYX | Grafton, Merrimack, Sullivan | 2 hr |
| Sep 6, 5:13 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 6 hr |
| Sep 6, 5:38 PM EDT | Flash Flood Warning | BOX | Hillsborough | 3 hr |
| Sep 6, 6:31 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford | 119 min |
| Sep 6, 7:40 PM EDT | Areal Flood Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 13 hr |
| Sep 6, 7:43 PM EDT | Areal Flood Warning | BOX | Cheshire | 8 hr |
| Sep 6, 8:18 PM EDT | Areal Flood Warning | BOX | Hillsborough | 7 hr |
| Sep 6, 8:39 PM EDT | Areal Flood Advisory | GYX | Grafton, Sullivan | 111 min |
| Sep 6, 10:41 PM EDT | Flash Flood Warning | BOX | Hillsborough | 3 hr |
| Sep 9, 10:20 AM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 4 hr |
| Sep 9, 12:12 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Sep 9, 12:52 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 38 min |
| Sep 10, 3:36 AM EDT | Frost Advisory | GYX | Carroll, Coos, Grafton | 28 hr |
| Sep 17, 2:38 PM EDT | Freeze Watch | GYX | Carroll, Coos, Grafton | 12 hr |
| Sep 18, 3:07 AM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 29 hr |
| Sep 18, 3:07 AM EDT | Freeze Warning | GYX | Carroll, Coos, Grafton | 29 hr |
| Sep 18, 3:45 AM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 28 hr |
| Sep 19, 2:55 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 17 hr |
| Sep 19, 4:00 PM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 16 hr |
| Sep 22, 3:12 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 16 hr |
| Sep 25, 4:48 PM EDT | Flood Watch | BOX | Cheshire, Hillsborough | 67 hr |
| Sep 26, 3:41 PM EDT | Flood Watch | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 44 hr |
| Sep 26, 5:20 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 3 hr |
| Sep 27, 2:57 PM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 3 hr |
| Sep 27, 4:44 PM EDT | Areal Flood Warning | GYX | Rockingham, Strafford | 16 hr |
| Sep 27, 4:57 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 6 hr |
| Sep 27, 6:27 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 27 hr |
| Oct 1, 2:24 PM EDT | Mesoscale Discussion | SPC | Cheshire, Sullivan | 96 min |
| Oct 3, 11:38 PM EDT | Frost Advisory | BOX | Cheshire | 9 hr |
| Oct 6, 4:38 AM EDT | Frost Advisory | BOX | Hillsborough | 27 hr |
| Oct 6, 2:17 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 18 hr |
| Oct 6, 2:56 PM EDT | Freeze Warning | BOX | Cheshire | 17 hr |
| Oct 18, 4:14 AM EDT | Freeze Warning | BOX | Hillsborough | 24 hr |
| Oct 25, 4:04 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 16 hr |
| Oct 25, 9:39 PM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 6 hr |
| Oct 25, 11:26 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Oct 26, 2:27 AM EDT | Areal Flood Advisory | BOX | Hillsborough | 2 hr |
| Oct 26, 3:19 AM EDT | River Flood Warning | GYX | Grafton | 5 hr |
| Oct 27, 3:52 PM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 36 hr |
| Oct 27, 3:59 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 35 hr |
| Nov 14, 2:29 AM EST | Coastal Flood Advisory | GYX | Rockingham | 24 hr |
| Nov 15, 4:57 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 18 hr |
| Nov 15, 11:22 AM EST | Coastal Flood Advisory | GYX | Rockingham | 109 min |
| Nov 15, 6:15 PM EST | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 2 hr |
| Nov 16, 11:50 AM EST | Coastal Flood Advisory | GYX | Rockingham | 2 hr |
| Nov 24, 11:34 AM EST | High Wind Watch | BOX | Hillsborough | 16 hr |
| Nov 24, 2:55 PM EST | High Wind Watch | GYX | Rockingham | 13 hr |
| Nov 24, 2:55 PM EST | Wind Advisory | GYX | Grafton, Rockingham, Strafford, Sullivan | 32 hr |
| Nov 24, 3:14 PM EST | Flood Watch | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 33 hr |
| Nov 24, 3:29 PM EST | Wind Advisory | BOX | Hillsborough | 22 hr |
| Nov 24, 3:44 PM EST | Coastal Flood Advisory | GYX | Rockingham | 30 hr |
| Nov 24, 3:45 PM EST | Winter Storm Warning | GYX | Carroll, Coos, Grafton | 33 hr |
| Nov 24, 3:45 PM EST | Winter Weather Advisory | GYX | Carroll, Grafton | 19 hr |
| Nov 24, 9:47 PM EST | High Wind Warning | GYX | Rockingham | 27 hr |
| Nov 25, 7:26 AM EST | Areal Flood Advisory | BOX | Hillsborough | 6 hr |
| Nov 25, 11:06 AM EST | Flood Watch | BOX | Hillsborough | 3 hr |
| Nov 25, 4:03 PM EST | Areal Flood Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford | 8 hr |
| Nov 25, 10:43 PM EST | Coastal Flood Statement | GYX | Rockingham | 2 hr |
| Nov 25, 11:15 PM EST | Areal Flood Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 1 more | 8 hr |
| Nov 26, 3:41 AM EST | Coastal Flood Advisory | GYX | Rockingham | 8 hr |
| Nov 30, 3:10 AM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton, Sullivan | 31 hr |
| Nov 30, 10:13 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 9 hr |
| Nov 30, 6:16 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 6 hr |
| Dec 1, 1:16 AM EST | Mesoscale Discussion | SPC | Coos, Grafton | 4 hr |
| Dec 9, 3:32 PM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 12 hr |
| Dec 9, 3:40 PM EST | Wind Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford | 19 hr |
| Dec 9, 4:24 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 24 hr |
| Dec 9, 11:32 PM EST | Mesoscale Discussion | SPC | Coos | 3 hr |
| Dec 10, 4:32 AM EST | Coastal Flood Watch | GYX | Rockingham | 48 hr |
| Dec 10, 4:50 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 25 hr |
| Dec 10, 4:19 PM EST | Ice Storm Warning | BOX | Cheshire, Hillsborough | 42 hr |
| Dec 10, 4:19 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 24 hr |
| Dec 11, 4:18 AM EST | Coastal Flood Warning | GYX | Rockingham | 32 hr |
| Dec 11, 6:04 AM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 30 hr |
| Dec 11, 6:04 AM EST | Winter Weather Advisory | GYX | Rockingham | 15 hr |
| Dec 11, 7:30 AM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 4 hr |
| Dec 11, 1:52 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 3 hr |
| Dec 11, 6:56 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 4 hr |
| Dec 12, 12:21 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more | 4 hr |
| Dec 12, 12:50 AM EST | Mesoscale Discussion | SPC | Coos | 5 hr |
| Dec 12, 5:55 AM EST | Areal Flood Warning | BOX | Cheshire, Hillsborough | 12 hr |
| Dec 12, 6:20 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 5 hr |
| Dec 12, 12:19 PM EST | River Flood Warning | BOX | Hillsborough | 23 hr |
| Dec 14, 12:00 PM EST | River Flood Warning | BOX | Hillsborough | 7 hr |
| Dec 14, 9:14 PM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 10 hr |
| Dec 16, 4:12 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 32 hr |
| Dec 16, 3:34 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 26 hr |
| Dec 17, 6:36 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 4 hr |
| Dec 17, 3:07 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 24 hr |
| Dec 18, 3:41 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 11 hr |
| Dec 18, 3:00 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 34 hr |
| Dec 18, 3:00 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Strafford | 13 hr |
| Dec 18, 3:07 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 35 hr |
| Dec 19, 3:38 AM EST | Winter Weather Advisory | GYX | Carroll, Grafton | 21 hr |
| Dec 19, 12:22 PM EST | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 6 hr |
| Dec 19, 2:42 PM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 25 hr |
| Dec 19, 4:50 PM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 24 hr |
| Dec 19, 6:46 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 4 hr |
| Dec 20, 3:28 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 36 hr |
| Dec 20, 4:29 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 26 hr |
| Dec 21, 4:16 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 31 hr |
| Dec 21, 11:54 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 4 hr |
| Dec 21, 6:11 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 4 hr |
| Dec 21, 11:47 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 12 hr |
| Dec 23, 3:58 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 21 hr |
| Dec 24, 3:40 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 24 hr |
| Dec 24, 5:25 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 29 hr |
| Dec 24, 7:32 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more | 4 hr |
| Dec 24, 12:45 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Sullivan | 4 hr |
| Dec 24, 7:11 PM EST | Mesoscale Discussion | SPC | Coos | 4 hr |
| Dec 24, 9:41 PM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 15 hr |
| Dec 26, 3:25 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 28 hr |
| Dec 26, 3:46 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 19 hr |
| Dec 28, 2:06 AM EST | Dense Fog Advisory | BOX | Cheshire, Hillsborough | 8 hr |
| Dec 29, 3:54 PM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 23 hr |
| Dec 30, 1:38 AM EST | Wind Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford, Sullivan | 13 hr |
| Dec 30, 3:11 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 24 hr |
| Dec 30, 4:55 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 32 hr |
| Dec 30, 4:55 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 32 hr |
| Dec 31, 7:06 AM EST | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Rockingham | 3 hr |
| Dec 31, 9:39 AM EST | Winter Storm Warning | GYX | Merrimack, Rockingham, Strafford, Sullivan | 6 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 archive20072009
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.