Alert archive / New Hampshire / 2020
Weather alerts in New Hampshire, April 2020
23 weather alerts in April 2020, 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 2020. Tap one for its archive.
- Alerts
- 23
- Warnings
- 7
- Watches
- 5
- Advisories
- 7
- Busiest day
- April 13, 20204 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 1, 3:34 PM EDT | Coastal Flood Watch | GYX | Rockingham | 18 hr |
| Apr 2, 3:31 AM EDT | Coastal Flood Advisory | GYX | Rockingham | 29 hr |
| Apr 2, 3:16 PM EDT | Coastal Flood Warning | GYX | Rockingham | 18 hr |
| Apr 4, 3:26 AM EDT | Coastal Flood Statement | GYX | Rockingham | 7 hr |
| Apr 7, 3:19 AM EDT | Winter Storm Watch | GYX | Coos | 37 hr |
| Apr 7, 3:01 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 60 hr |
| Apr 8, 3:34 PM EDT | Wind Advisory | GYX | Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan | 32 hr |
| Apr 8, 3:49 PM EDT | Winter Storm Warning | GYX | Carroll, Coos, Grafton | 46 hr |
| Apr 9, 3:57 AM EDT | Winter Weather Advisory | GYX | Carroll, Grafton | 24 hr |
| Apr 10, 5:50 PM EDT | Special Weather Statement | GYX | Coos | 55 min |
| Apr 12, 3:47 AM EDT | High Wind Watch | GYX | Cheshire, Hillsborough, Rockingham | 12 hr |
| Apr 12, 3:19 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 31 hr |
| Apr 12, 3:32 PM EDT | Flood Watch | GYX | Carroll, Coos, Grafton | 40 hr |
| Apr 13, 12:12 PM EDT | River Flood Warning | GYX | Grafton | 21 hr |
| Apr 13, 12:12 PM EDT | River Flood Warning | GYX | Grafton | 27 hr |
| Apr 13, 12:12 PM EDT | River Flood Warning | GYX | Carroll | 26 hr |
| Apr 13, 2:42 PM EDT | Mesoscale Discussion | SPC | Cheshire, Sullivan | 93 min |
| Apr 13, 8:28 PM EDT | Areal Flood Warning | GYX | Belknap, Carroll, Coos, Grafton | 6 hr |
| Apr 13, 8:54 PM EDT | River Flood Warning | GYX | Grafton | 9 hr |
| Apr 17, 3:44 AM EDT | Winter Weather Advisory | GYX | Cheshire, Hillsborough, Rockingham | 28 hr |
| Apr 22, 6:17 AM EDT | Special Weather Statement | GYX | Belknap, Strafford | 58 min |
| Apr 25, 3:16 PM EDT | Winter Storm Watch | GYX | Carroll, Coos | 12 hr |
| Apr 26, 3:41 AM EDT | Winter Weather Advisory | GYX | Carroll, Cheshire, Coos, Grafton, Hillsborough, Sullivan | 36 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 | 2 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 4 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 3 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood 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 archive20192021
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.