Alert archive / New Hampshire / 2022
Weather alerts in New Hampshire, September 2022
41 weather alerts in September 2022, 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 September 2022. Tap one for its archive.
- Alerts
- 41
- Warnings
- 6
- Watches
- 2
- Advisories
- 12
- Busiest day
- September 13, 20229 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 |
|---|---|---|---|---|
| Sep 4, 7:11 PM EDT | Special Weather Statement | GYX | Cheshire | 34 min |
| Sep 4, 7:28 PM EDT | Special Weather Statement | GYX | Carroll | 47 min |
| Sep 4, 7:46 PM EDT | Special Weather Statement | GYX | Belknap | 44 min |
| Sep 4, 7:50 PM EDT | Special Weather Statement | GYX | Merrimack | 40 min |
| Sep 4, 8:01 PM EDT | Areal Flood Advisory | GYX | Cheshire | 59 min |
| Sep 4, 8:33 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack | 117 min |
| Sep 4, 8:40 PM EDT | Flash Flood Warning | GYX | Belknap, Merrimack | 2 hr |
| Sep 4, 8:56 PM EDT | Special Weather Statement | GYX | Merrimack | 49 min |
| Sep 4, 10:23 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 3 hr |
| Sep 5, 3:24 AM EDT | Flood Watch | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 32 hr |
| Sep 5, 4:03 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos | 3 hr |
| Sep 9, 3:03 PM EDT | High Surf Advisory | GYX | Rockingham | 51 hr |
| Sep 10, 10:26 PM EDT | Coastal Flood Statement | GYX | Rockingham | 3 hr |
| Sep 13, 3:50 AM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 6 hr |
| Sep 13, 11:58 AM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 2 hr |
| Sep 13, 5:12 PM EDT | Special Weather Statement | GYX | Sullivan | 33 min |
| Sep 13, 5:33 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 117 min |
| Sep 13, 6:38 PM EDT | Special Weather Statement | GYX | Cheshire | 52 min |
| Sep 13, 7:03 PM EDT | Special Weather Statement | GYX | Grafton | 27 min |
| Sep 13, 7:08 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 37 min |
| Sep 13, 7:45 PM EDT | Special Weather Statement | GYX | Hillsborough | 30 min |
| Sep 13, 7:56 PM EDT | Special Weather Statement | GYX | Merrimack | 49 min |
| Sep 13, 8:00 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 45 min |
| Sep 13, 8:29 PM EDT | Special Weather Statement | GYX | Belknap, Merrimack | 46 min |
| Sep 13, 8:43 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 62 min |
| Sep 13, 9:04 PM EDT | Areal Flood Advisory | GYX | Hillsborough, Merrimack, Rockingham | 71 min |
| Sep 16, 2:34 PM EDT | Frost Advisory | GYX | Carroll, Coos, Grafton | 17 hr |
| Sep 18, 11:19 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 56 min |
| Sep 19, 5:08 PM EDT | Special Weather Statement | GYX | Cheshire | 37 min |
| Sep 19, 5:47 PM EDT | Special Weather Statement | GYX | Hillsborough | 43 min |
| Sep 19, 6:39 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 6 hr |
| Sep 22, 8:02 AM EDT | Special Weather Statement | GYX | Rockingham | 28 min |
| Sep 22, 8:12 AM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 33 min |
| Sep 23, 2:57 AM EDT | High Surf Advisory | GYX | Rockingham | 44 hr |
| Sep 26, 1:16 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Merrimack, Sullivan | 3 hr |
| Sep 26, 5:38 PM EDT | Special Weather Statement | GYX | Cheshire | 37 min |
| Sep 26, 7:02 PM EDT | Special Weather Statement | GYX | Carroll | 28 min |
| Sep 26, 7:02 PM EDT | Special Weather Statement | GYX | Coos | 28 min |
| Sep 28, 2:35 PM EDT | Freeze Watch | GYX | Coos, Grafton | 12 hr |
| Sep 29, 2:52 AM EDT | Frost Advisory | GYX | Carroll, Cheshire, Grafton, Sullivan | 29 hr |
| Sep 29, 2:52 AM EDT | Freeze Warning | GYX | Coos, Grafton | 29 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 | 4 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 17 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| High Surf Advisory | 2 |
| Coastal Flood 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 archive20212023
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.