Alert archive / New Hampshire / 2023
Weather alerts in New Hampshire, May 2023
35 weather alerts in May 2023, 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 May 2023. Tap one for its archive.
- Alerts
- 35
- Warnings
- 8
- Watches
- 2
- Advisories
- 12
- Busiest day
- May 1, 202310 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 |
|---|---|---|---|---|
| May 1, 2:35 AM EDT | Areal Flood Warning | GYX | Carroll, Coos | 9 hr |
| May 1, 4:17 AM EDT | Areal Flood Warning | GYX | Carroll, Rockingham, Strafford | 10 hr |
| May 1, 4:24 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 5 hr |
| May 1, 4:33 AM EDT | Flash Flood Warning | GYX | Carroll | 6 hr |
| May 1, 9:12 AM EDT | Areal Flood Advisory | GYX | Coos | 5 hr |
| May 1, 9:27 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford | 5 hr |
| May 1, 11:00 AM EDT | Areal Flood Warning | GYX | Carroll, Coos, Grafton, Rockingham, Strafford | 6 hr |
| May 1, 11:32 AM EDT | River Flood Warning | GYX | Merrimack | 17 hr |
| May 1, 1:55 PM EDT | Areal Flood Advisory | GYX | Coos | 15 hr |
| May 1, 5:37 PM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Coos, Grafton, Rockingham, Strafford | 11 hr |
| May 2, 7:10 AM EDT | Flood Watch | GYX | Carroll, Grafton | 20 hr |
| May 2, 1:26 PM EDT | Special Weather Statement | GYX | Merrimack | 49 min |
| May 2, 1:56 PM EDT | Special Weather Statement | GYX | Merrimack | 34 min |
| May 2, 2:02 PM EDT | Special Weather Statement | GYX | Carroll | 28 min |
| May 2, 8:17 PM EDT | River Flood Warning | GYX | Rockingham, Strafford | 26 hr |
| May 3, 10:33 AM EDT | River Flood Warning | GYX | Carroll | 15 hr |
| May 5, 3:19 PM EDT | Beach Hazards Statement | GYX | Rockingham | 29 hr |
| May 7, 3:07 AM EDT | Beach Hazards Statement | GYX | Rockingham | 17 hr |
| May 12, 4:26 AM EDT | Beach Hazards Statement | GYX | Rockingham | 16 hr |
| May 13, 3:21 AM EDT | Beach Hazards Statement | GYX | Rockingham | 17 hr |
| May 14, 3:20 AM EDT | Beach Hazards Statement | GYX | Rockingham | 17 hr |
| May 14, 3:20 PM EDT | Frost Advisory | GYX | Carroll, Cheshire, Grafton, Sullivan | 16 hr |
| May 17, 3:21 AM EDT | Freeze Watch | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 12 hr |
| May 17, 3:22 PM EDT | Frost Advisory | GYX | Rockingham | 16 hr |
| May 17, 3:22 PM EDT | Freeze Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 16 hr |
| May 18, 2:41 PM EDT | Frost Advisory | GYX | Carroll, Grafton | 17 hr |
| May 21, 3:08 PM EDT | Frost Advisory | GYX | Coos | 16 hr |
| May 22, 3:02 PM EDT | Frost Advisory | GYX | Carroll, Coos, Grafton | 16 hr |
| May 24, 4:04 PM EDT | Special Weather Statement | GYX | Strafford | 41 min |
| May 24, 4:24 PM EDT | Special Weather Statement | GYX | Rockingham | 66 min |
| May 25, 3:22 AM EDT | Frost Advisory | GYX | Carroll, Cheshire, Coos, Grafton, Sullivan | 29 hr |
| May 26, 2:41 PM EDT | Beach Hazards Statement | GYX | Rockingham | 29 hr |
| May 28, 3:12 AM EDT | Beach Hazards Statement | GYX | Rockingham | 17 hr |
| May 29, 2:42 AM EDT | Beach Hazards Statement | GYX | Rockingham | 17 hr |
| May 29, 2:38 PM EDT | Frost Advisory | GYX | Carroll, Coos | 16 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 | |
| Special Weather Statement | 5 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 1 |
| River Flood Warning | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 7 |
| Coast and beach | |
| Beach Hazards Statement | 8 |
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 archive20222024
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.