Alert archive / New Hampshire / 2011
Weather alerts in New Hampshire, March 2011
41 weather alerts in March 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 March 2011. Tap one for its archive.
- Alerts
- 41
- Warnings
- 17
- Watches
- 7
- Advisories
- 13
- Busiest day
- March 7, 201114 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 |
|---|---|---|---|---|
| Mar 2, 3:01 PM EST | Wind Chill Advisory | GYX | Coos | 19 hr |
| Mar 5, 3:30 PM EST | Winter Storm Watch | GYX | Carroll, Coos, Grafton | 12 hr |
| Mar 6, 3:39 AM EST | Winter Storm Warning | GYX | Carroll, Coos, Grafton, Sullivan | 36 hr |
| Mar 6, 5:35 AM EST | Flood Watch | BOX | Cheshire, Hillsborough | 25 hr |
| Mar 6, 12:59 PM EST | Mesoscale Discussion | SPC | Carroll, Cheshire, Grafton, Sullivan | 4 hr |
| Mar 6, 2:34 PM EST | Flood Watch | GYX | Belknap, Merrimack, Rockingham, Strafford | 18 hr |
| Mar 6, 3:34 PM EST | Winter Weather Advisory | BOX | Cheshire | 19 hr |
| Mar 6, 3:52 PM EST | Areal Flood Advisory | GYX | Grafton | 8 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Sullivan | 4 hr |
| Mar 6, 9:53 PM EST | River Flood Warning | GYX | Grafton | 8 hr |
| Mar 6, 10:01 PM EST | River Flood Warning | GYX | Grafton, Sullivan | 12 hr |
| Mar 7, 1:59 AM EST | River Flood Warning | BOX | Cheshire, Hillsborough | 35 hr |
| Mar 7, 3:10 AM EST | Mesoscale Discussion | SPC | Coos | 6 hr |
| Mar 7, 7:24 AM EST | Mesoscale Discussion | SPC | Carroll | 4 hr |
| Mar 7, 8:37 AM EST | Areal Flood Warning | BOX | Cheshire, Hillsborough | 18 hr |
| Mar 7, 8:48 AM EST | River Flood Warning | GYX | Sullivan | 3 days |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Hillsborough | 14 hr |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Hillsborough | 3 days |
| Mar 7, 9:33 AM EST | River Flood Warning | GYX | Merrimack | 7 days |
| Mar 7, 9:35 AM EST | River Flood Warning | BOX | Hillsborough | 13 hr |
| Mar 7, 9:55 AM EST | River Flood Warning | GYX | Grafton | 35 hr |
| Mar 7, 10:13 AM EST | River Flood Warning | GYX | Grafton | 10 hr |
| Mar 10, 3:48 AM EST | Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 57 hr |
| Mar 10, 3:53 AM EST | Flood Watch | BOX | Cheshire, Hillsborough | 34 hr |
| Mar 10, 3:59 AM EST | Winter Weather Advisory | GYX | Carroll, Coos, Grafton | 30 hr |
| Mar 11, 10:08 AM EST | Areal Flood Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 3 hr |
| Mar 11, 12:22 PM EST | Areal Flood Advisory | GYX | Coos | 3 hr |
| Mar 11, 4:04 PM EST | River Flood Warning | GYX | Sullivan | 43 hr |
| Mar 17, 3:03 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 29 hr |
| Mar 17, 3:48 PM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 26 hr |
| Mar 19, 12:40 AM EDT | River Flood Warning | GYX | Merrimack | 43 hr |
| Mar 20, 3:26 PM EDT | Winter Storm Warning | GYX | Carroll, Coos, Grafton, Sullivan | 23 hr |
| Mar 20, 3:26 PM EDT | Winter Weather Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 43 hr |
| Mar 20, 3:56 PM EDT | Winter Weather Advisory | BOX | Cheshire, Hillsborough | 26 hr |
| Mar 21, 9:38 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 5 hr |
| Mar 30, 4:22 AM EDT | Winter Storm Watch | BOX | Cheshire, Hillsborough | 24 hr |
| Mar 30, 5:06 AM EDT | Winter Storm Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 23 hr |
| Mar 31, 3:44 AM EDT | Winter Storm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 40 hr |
| Mar 31, 3:44 AM EDT | Winter Weather Advisory | GYX | Rockingham | 12 hr |
| Mar 31, 4:13 AM EDT | Winter Storm Warning | BOX | Cheshire, Hillsborough | 34 hr |
| Mar 31, 4:13 AM EDT | Winter Weather Advisory | BOX | Hillsborough | 32 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 | 4 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 12 |
| Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 6 |
| Cold | |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 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 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.