Alert archive / New Hampshire / 2009
Weather alerts in New Hampshire, December 2009
36 weather alerts in December 2009, 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 2009. Tap one for its archive.
- Alerts
- 36
- Warnings
- 5
- Watches
- 4
- Advisories
- 23
- Busiest day
- December 8, 20096 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 2, 3:15 AM EST | Coastal Flood Watch | GYX | Rockingham | 24 hr |
| Dec 2, 2:36 PM EST | Wind Advisory | GYX | Rockingham | 22 hr |
| Dec 2, 3:00 PM EST | Coastal Flood Warning | GYX | Rockingham | 21 hr |
| Dec 2, 4:25 PM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 18 hr |
| Dec 3, 5:38 AM EST | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 112 min |
| Dec 5, 4:36 AM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 22 hr |
| Dec 5, 12:40 PM EST | Winter Weather Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford, Sullivan | 17 hr |
| Dec 8, 3:14 AM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 13 hr |
| Dec 8, 3:19 AM EST | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 13 hr |
| Dec 8, 3:59 PM EST | Winter Storm Warning | BOX | Cheshire, Hillsborough | 21 hr |
| Dec 8, 3:59 PM EST | Winter Weather Advisory | BOX | Hillsborough | 19 hr |
| Dec 8, 4:13 PM EST | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 30 hr |
| Dec 8, 4:13 PM EST | Winter Weather Advisory | GYX | Rockingham | 11 hr |
| Dec 9, 3:47 AM EST | Coastal Flood Statement | GYX | Rockingham | 11 hr |
| Dec 9, 6:33 AM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 3 hr |
| Dec 9, 1:15 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Dec 9, 2:43 PM EST | Coastal Flood Statement | GYX | Rockingham | 36 min |
| Dec 9, 2:43 PM EST | Coastal Flood Advisory | GYX | Rockingham | 4 hr |
| Dec 9, 4:28 PM EST | Coastal Flood Warning | GYX | Rockingham | 3 hr |
| Dec 9, 9:14 PM EST | Coastal Flood Statement | GYX | Rockingham | 10 hr |
| Dec 11, 3:30 AM EST | Wind Advisory | GYX | Coos | 16 hr |
| Dec 13, 12:38 PM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 10 hr |
| Dec 13, 1:48 PM EST | Winter Weather Advisory | BOX | Cheshire | 7 hr |
| Dec 16, 3:00 PM EST | Wind Chill Advisory | GYX | Coos, Grafton | 21 hr |
| Dec 17, 3:19 PM EST | Wind Chill Advisory | GYX | Coos | 18 hr |
| Dec 19, 4:23 AM EST | Winter Storm Watch | BOX | Cheshire, Hillsborough | 12 hr |
| Dec 19, 2:22 PM EST | Winter Weather Advisory | GYX | Rockingham | 24 hr |
| Dec 19, 4:21 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 12 hr |
| Dec 25, 4:25 PM EST | Freezing Rain Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Dec 25, 7:09 PM EST | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 27 hr |
| Dec 26, 3:23 AM EST | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 24 hr |
| Dec 27, 7:15 PM EST | River Flood Warning | GYX | Merrimack | 25 hr |
| Dec 28, 3:36 AM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 22 hr |
| Dec 29, 3:26 AM EST | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 16 hr |
| Dec 29, 4:04 AM EST | Wind Advisory | BOX | Cheshire, Hillsborough | 21 hr |
| Dec 29, 11:13 AM EST | Wind Chill Advisory | GYX | Belknap, Carroll, Coos, Grafton | 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 | 1 |
| Flooding | |
| River Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 12 |
| Cold | |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 5 |
| Coast and beach | |
| Coastal Flood Warning | 2 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 1 |
| Coastal Flood Statement | 3 |
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 archive20082010
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.