Alert archive / New Hampshire / 2018
Weather alerts in New Hampshire, December 2018
24 weather alerts in December 2018, 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 December 2018. Tap one for its archive.
- Alerts
- 24
- Warnings
- 5
- Watches
- 1
- Advisories
- 14
- Busiest day
- December 21, 20186 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 |
|---|---|---|---|---|
| Dec 1, 2:39 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 35 hr |
| Dec 2, 3:30 PM EST | Dense Fog Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 20 hr |
| Dec 16, 3:11 PM EST | Winter Weather Advisory | GYX | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford | 24 hr |
| Dec 16, 9:24 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 4 hr |
| Dec 16, 9:36 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 2 more | 4 hr |
| Dec 18, 6:22 AM EST | Wind Advisory | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 4 hr |
| Dec 19, 3:50 PM EST | Flood Watch | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 65 hr |
| Dec 20, 2:38 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 31 hr |
| Dec 20, 3:28 PM EST | Wind Advisory | GYX | Coos, Grafton, Rockingham | 32 hr |
| Dec 21, 12:45 PM EST | Areal Flood Advisory | GYX | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 3 hr |
| Dec 21, 2:38 PM EST | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 3 hr |
| Dec 21, 3:21 PM EST | Coastal Flood Advisory | GYX | Rockingham | 21 hr |
| Dec 21, 4:46 PM EST | River Flood Warning | GYX | Grafton | 17 hr |
| Dec 21, 5:26 PM EST | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 3 hr |
| Dec 21, 6:18 PM EST | Areal Flood Warning | GYX | Coos, Grafton | 6 hr |
| Dec 21, 8:04 PM EST | River Flood Warning | GYX | Carroll | 11 hr |
| Dec 21, 8:14 PM EST | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 6 hr |
| Dec 21, 9:07 PM EST | Areal Flood Advisory | GYX | Cheshire, Hillsborough, Merrimack, Rockingham, Sullivan | 6 hr |
| Dec 21, 9:53 PM EST | River Flood Warning | GYX | Grafton | 17 hr |
| Dec 22, 3:53 AM EST | River Flood Warning | GYX | Merrimack | 11 hr |
| Dec 22, 5:40 PM EST | Coastal Flood Statement | GYX | Rockingham | 5 hr |
| Dec 27, 3:30 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 3 more | 42 hr |
| Dec 28, 2:59 AM EST | Mesoscale Discussion | SPC | Cheshire, Grafton, Merrimack, Sullivan | 6 hr |
| Dec 28, 3:01 PM EST | Dense Fog Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 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 | |
| Mesoscale Discussion | 3 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Weather Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| 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 archive20172019
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.