Alert archive / New Hampshire / 2021
Weather alerts in New Hampshire, April 2021
18 weather alerts in April 2021, 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 April 2021. Tap one for its archive.
- Alerts
- 18
- Warnings
- 4
- Watches
- 3
- Advisories
- 5
- Busiest day
- April 21, 20217 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 |
|---|---|---|---|---|
| Apr 2, 3:26 PM EDT | Red Flag Warning | GYX | 28 hr | |
| Apr 14, 3:18 PM EDT | Winter Storm Watch | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 12 hr |
| Apr 15, 3:14 AM EDT | Winter Storm Warning | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 38 hr |
| Apr 15, 3:14 AM EDT | Winter Weather Advisory | GYX | Coos, Strafford | 38 hr |
| Apr 16, 3:17 AM EDT | Wind Advisory | GYX | Rockingham | 17 hr |
| Apr 21, 2:56 AM EDT | Winter Weather Advisory | GYX | Coos | 35 hr |
| Apr 21, 2:56 PM EDT | Mesoscale Discussion | SPC | Hillsborough, Rockingham | 94 min |
| Apr 21, 3:58 PM EDT | Special Weather Statement | GYX | Cheshire | 62 min |
| Apr 21, 4:44 PM EDT | Special Weather Statement | GYX | Hillsborough | 61 min |
| Apr 21, 5:11 PM EDT | Special Weather Statement | GYX | Merrimack | 64 min |
| Apr 21, 5:39 PM EDT | Special Weather Statement | GYX | Rockingham | 66 min |
| Apr 21, 6:11 PM EDT | Special Weather Statement | GYX | Strafford | 49 min |
| Apr 25, 2:54 PM EDT | Fire Weather Watch | GYX | 12 hr | |
| Apr 26, 2:59 AM EDT | Red Flag Warning | GYX | 16 hr | |
| Apr 26, 7:12 PM EDT | Fire Weather Watch | GYX | 8 hr | |
| Apr 27, 3:17 AM EDT | Red Flag Warning | GYX | 16 hr | |
| Apr 28, 3:00 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 10 hr |
| Apr 29, 3:31 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 10 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 | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
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 archive20202022
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.