Alert archive / New Hampshire / 2011
Weather alerts in New Hampshire, December 2011
22 weather alerts in December 2011, 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 2011. Tap one for its archive.
- Alerts
- 22
- Warnings
- 2
- Watches
- 0
- Advisories
- 17
- Busiest day
- December 7, 20115 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 7, 3:46 AM EST | Winter Weather Advisory | GYX | Coos, Grafton | 11 hr |
| Dec 7, 4:42 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 23 hr |
| Dec 7, 2:52 PM EST | Winter Storm Warning | GYX | Coos, Grafton, Sullivan | 16 hr |
| Dec 7, 2:52 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Merrimack | 16 hr |
| Dec 7, 6:21 PM EST | Mesoscale Discussion | SPC | Grafton | 4 hr |
| Dec 7, 10:25 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 4 hr |
| Dec 8, 1:23 AM EST | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 4 hr |
| Dec 8, 2:32 AM EST | River Flood Warning | GYX | Merrimack | 35 hr |
| Dec 8, 3:41 AM EST | Wind Advisory | BOX | Hillsborough | 6 hr |
| Dec 14, 3:09 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 21 hr |
| Dec 14, 3:55 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 11 hr |
| Dec 15, 3:55 PM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 23 hr |
| Dec 15, 4:03 PM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 20 hr |
| Dec 21, 3:58 AM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 23 hr |
| Dec 21, 3:28 PM EST | Winter Weather Advisory | GYX | Carroll, Grafton | 6 hr |
| Dec 22, 9:51 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 5 hr |
| Dec 27, 3:11 AM EST | Wind Advisory | GYX | Rockingham | 26 hr |
| Dec 27, 5:13 PM EST | Freezing Rain Advisory | GYX | Coos | 5 hr |
| Dec 28, 2:54 AM EST | Wind Chill Advisory | GYX | Coos | 30 hr |
| Dec 30, 3:00 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 33 hr |
| Dec 30, 3:36 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 35 hr |
| Dec 31, 8:33 AM EST | Mesoscale Discussion | SPC | Strafford | 4 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 | |
| River Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 10 |
| Cold | |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 4 |
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 archive20102012
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.