Alert archive / New Hampshire / 2026
Weather alerts in New Hampshire, August 2026
16 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Alerts
- 16
- Warnings
- 5
- Watches
- 0
- Advisories
- 8
- Busiest day
- August 3, 20266 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 |
|---|---|---|---|---|
| Aug 3, 6:10 AM EDT | Areal Flood Advisory | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 88 min |
| Aug 3, 6:54 AM EDT | Areal Flood Advisory | GYX | Carroll | 3 hr |
| Aug 3, 7:21 AM EDT | Flash Flood Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 4 hr |
| Aug 3, 12:13 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 2 hr |
| Aug 3, 2:10 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 50 min |
| Aug 3, 2:50 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 40 min |
| Aug 5, 2:49 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham | 29 hr |
| Aug 6, 1:39 PM EDT | Mesoscale Discussion | SPC | Cheshire, Sullivan | 2 hr |
| Aug 6, 2:18 PM EDT | Heat Advisory | GYX | Hillsborough, Rockingham, Strafford | 30 hr |
| Aug 6, 7:39 PM EDT | Areal Flood Advisory | GYX | Cheshire | 106 min |
| Aug 6, 9:42 PM EDT | Areal Flood Advisory | GYX | Hillsborough | 3 hr |
| Aug 8, 4:30 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Aug 8, 4:40 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Strafford | 50 min |
| Aug 8, 5:20 PM EDT | Areal Flood Advisory | GYX | Carroll, Strafford | 2 hr |
| Aug 8, 7:22 PM EDT | Flash Flood Warning | GYX | Coos | 2 hr |
| Aug 12, 7:15 PM EDT | Coastal Flood Statement | GYX | Rockingham | 8 hr |
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 | 3 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 6 |
| Heat | |
| Heat Advisory | 2 |
| Coast and beach | |
| Coastal Flood Statement | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
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.