Alert archive / New Hampshire / 2024
Weather alerts in New Hampshire, August 2024
81 weather alerts in August 2024, 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 August 2024. Tap one for its archive.
- Alerts
- 81
- Warnings
- 24
- Watches
- 3
- Advisories
- 19
- Busiest day
- August 4, 202415 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Jul 31, 9:14 PM EDT | Areal Flood Warning | GYX | Grafton | 2 hr |
| Aug 1, 10:58 AM EDT | Heat Advisory | GYX | Hillsborough, Rockingham, Strafford | 9 hr |
| Aug 1, 10:58 AM EDT | Heat Advisory | GYX | Hillsborough, Rockingham, Strafford | 31 hr |
| Aug 2, 5:15 PM EDT | Special Weather Statement | GYX | Cheshire | 45 min |
| Aug 2, 6:09 PM EDT | Special Weather Statement | GYX | Rockingham | 36 min |
| Aug 2, 6:16 PM EDT | Special Weather Statement | GYX | Rockingham | 44 min |
| Aug 2, 6:26 PM EDT | Special Weather Statement | GYX | Sullivan | 49 min |
| Aug 2, 6:37 PM EDT | Special Weather Statement | GYX | Strafford | 38 min |
| Aug 3, 2:38 AM EDT | Heat Advisory | GYX | Hillsborough, Rockingham | 16 hr |
| Aug 3, 3:41 AM EDT | Areal Flood Advisory | GYX | Cheshire, Hillsborough, Merrimack, Rockingham | 2 hr |
| Aug 3, 4:35 AM EDT | Special Weather Statement | GYX | Rockingham, Strafford | 25 min |
| Aug 3, 5:08 AM EDT | Special Weather Statement | GYX | Strafford | 37 min |
| Aug 3, 5:23 AM EDT | Areal Flood Advisory | GYX | Strafford | 3 hr |
| Aug 3, 6:32 AM EDT | Areal Flood Advisory | GYX | Strafford | 118 min |
| Aug 4, 8:16 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Merrimack, Strafford | 119 min |
| Aug 4, 12:39 PM EDT | Flash Flood Warning | GYX | Hillsborough, Rockingham | 3 hr |
| Aug 4, 12:44 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 20 min |
| Aug 4, 1:28 PM EDT | Areal Flood Advisory | GYX | Rockingham | 119 min |
| Aug 4, 1:33 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 42 min |
| Aug 4, 1:34 PM EDT | Mesoscale Discussion | SPC | Coos | 2 hr |
| Aug 4, 1:52 PM EDT | Flash Flood Warning | GYX | Rockingham | 95 min |
| Aug 4, 1:56 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 36 min |
| Aug 4, 2:17 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 43 min |
| Aug 4, 2:27 PM EDT | Areal Flood Advisory | GYX | Coos | 105 min |
| Aug 4, 4:15 PM EDT | Special Weather Statement | GYX | Grafton | 30 min |
| Aug 4, 4:48 PM EDT | Areal Flood Advisory | GYX | Grafton | 3 hr |
| Aug 4, 7:02 PM EDT | Special Weather Statement | GYX | Grafton | 58 min |
| Aug 4, 7:23 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 52 min |
| Aug 4, 7:57 PM EDT | Special Weather Statement | GYX | Grafton | 48 min |
| Aug 4, 8:11 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton | 64 min |
| Aug 4, 9:11 PM EDT | Special Weather Statement | GYX | Carroll | 34 min |
| Aug 5, 1:49 PM EDT | Special Weather Statement | GYX | Cheshire | 41 min |
| Aug 5, 1:57 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire | 63 min |
| Aug 5, 1:58 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 62 min |
| Aug 5, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 6 hr |
| Aug 5, 2:48 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 57 min |
| Aug 5, 6:53 PM EDT | Special Weather Statement | GYX | Belknap | 22 min |
| Aug 5, 7:09 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Strafford | 47 min |
| Aug 8, 12:35 PM EDT | Flood Watch | GYX | Carroll, Coos, Grafton | 35 hr |
| Aug 9, 2:33 PM EDT | Special Weather Statement | GYX | Rockingham, Strafford | 27 min |
| Aug 9, 3:05 PM EDT | Rip Current Statement | GYX | Rockingham | 28 hr |
| Aug 9, 8:53 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 2 hr |
| Aug 11, 8:55 PM EDT | Special Weather Statement | GYX | Grafton | 35 min |
| Aug 15, 11:57 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 3 hr |
| Aug 15, 12:43 PM EDT | Special Weather Statement | GYX | Carroll | 32 min |
| Aug 15, 12:50 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 40 min |
| Aug 15, 1:41 PM EDT | Special Weather Statement | GYX | Strafford | 49 min |
| Aug 15, 1:46 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham | 44 min |
| Aug 15, 2:16 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack | 44 min |
| Aug 15, 2:32 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 43 min |
| Aug 15, 3:06 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 39 min |
| Aug 15, 6:35 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Sullivan | 40 min |
| Aug 15, 7:16 PM EDT | Special Weather Statement | GYX | Cheshire | 44 min |
| Aug 15, 7:56 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 36 min |
| Aug 15, 7:59 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire | 22 min |
| Aug 16, 12:39 AM EDT | Dense Fog Advisory | GYX | Strafford | 7 hr |
| Aug 17, 3:58 AM EDT | High Surf Advisory | GYX | Rockingham | 64 hr |
| Aug 19, 2:25 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 2 hr |
| Aug 19, 2:29 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 11 hr |
| Aug 19, 5:12 PM EDT | Special Weather Statement | GYX | Grafton | 48 min |
| Aug 19, 5:23 PM EDT | Special Weather Statement | GYX | Sullivan | 52 min |
| Aug 19, 6:08 PM EDT | Special Weather Statement | GYX | Grafton | 37 min |
| Aug 19, 6:13 PM EDT | Areal Flood Advisory | GYX | Merrimack, Sullivan | 109 min |
| Aug 19, 6:48 PM EDT | Special Weather Statement | GYX | Merrimack | 42 min |
| Aug 19, 7:31 PM EDT | Areal Flood Advisory | GYX | Belknap, Carroll | 3 hr |
| Aug 19, 7:44 PM EDT | Flash Flood Warning | GYX | Carroll | 3 hr |
| Aug 19, 7:45 PM EDT | Special Weather Statement | GYX | Rockingham | 30 min |
| Aug 19, 8:38 PM EDT | Areal Flood Advisory | GYX | Carroll | 112 min |
| Aug 25, 10:33 PM EDT | Special Weather Statement | GYX | Coos | 42 min |
| Aug 26, 11:39 AM EDT | Special Weather Statement | GYX | Hillsborough | 51 min |
| Aug 26, 11:51 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 114 min |
| Aug 26, 11:55 AM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 65 min |
| Aug 26, 12:42 PM EDT | Special Weather Statement | GYX | Belknap | 33 min |
| Aug 26, 12:47 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton, Merrimack | 43 min |
| Aug 26, 1:04 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough, Merrimack, Rockingham | 6 hr |
| Aug 26, 1:15 PM EDT | Special Weather Statement | GYX | Strafford | 45 min |
| Aug 26, 1:34 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack | 41 min |
| Aug 26, 3:17 PM EDT | Special Weather Statement | GYX | Rockingham | 43 min |
| Aug 26, 3:34 PM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 56 min |
| Aug 26, 4:47 PM EDT | Special Weather Statement | GYX | Carroll | 28 min |
| Aug 27, 4:55 AM EDT | Dense Fog Advisory | GYX | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 5 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 | 20 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 29 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 12 |
| Heat | |
| Heat Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| High Surf Advisory | 1 |
| Rip Current Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.