Alert archive / New Hampshire / 2012
Weather alerts in New Hampshire, September 2012
44 weather alerts in September 2012, 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 September 2012. Tap one for its archive.
- Alerts
- 44
- Warnings
- 18
- Watches
- 2
- Advisories
- 14
- Busiest day
- September 8, 201217 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 |
|---|---|---|---|---|
| Sep 7, 7:11 AM EDT | Dense Fog Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 109 min |
| Sep 7, 3:27 PM EDT | High Surf Advisory | GYX | Rockingham | 4 days |
| Sep 8, 3:55 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 65 min |
| Sep 8, 4:09 PM EDT | Special Weather Statement | BOX | Cheshire | 51 min |
| Sep 8, 4:30 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 45 min |
| Sep 8, 4:47 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 6 hr |
| Sep 8, 5:12 PM EDT | Special Weather Statement | GYX | Merrimack | 33 min |
| Sep 8, 5:18 PM EDT | Special Weather Statement | GYX | Carroll | 27 min |
| Sep 8, 5:32 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 36 min |
| Sep 8, 5:45 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 60 min |
| Sep 8, 5:52 PM EDT | Special Weather Statement | GYX | Carroll | 23 min |
| Sep 8, 6:15 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 60 min |
| Sep 8, 6:31 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 59 min |
| Sep 8, 6:33 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 57 min |
| Sep 8, 6:53 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 52 min |
| Sep 8, 6:58 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 32 min |
| Sep 8, 7:15 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 1 more | 60 min |
| Sep 8, 7:30 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 60 min |
| Sep 8, 7:53 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 97 min |
| Sep 8, 8:13 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Strafford | 62 min |
| Sep 10, 2:49 PM EDT | Frost Advisory | GYX | Coos, Grafton | 16 hr |
| Sep 11, 6:37 PM EDT | Frost Advisory | GYX | Carroll, Coos | 8 hr |
| Sep 15, 2:57 AM EDT | Frost Advisory | GYX | Carroll, Coos, Grafton | 27 hr |
| Sep 16, 2:37 PM EDT | Frost Advisory | GYX | Carroll, Coos | 16 hr |
| Sep 18, 3:27 AM EDT | Wind Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 24 hr |
| Sep 18, 4:37 AM EDT | Wind Advisory | BOX | Cheshire, Hillsborough | 23 hr |
| Sep 18, 4:41 PM EDT | Mesoscale Discussion | SPC | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 2 hr |
| Sep 18, 7:04 PM EDT | Special Weather Statement | BOX | Cheshire, Hillsborough | 86 min |
| Sep 18, 7:54 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 6 hr |
| Sep 18, 8:34 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 56 min |
| Sep 18, 8:52 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 5 hr |
| Sep 18, 9:31 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 59 min |
| Sep 18, 10:16 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 59 min |
| Sep 18, 11:09 PM EDT | Mesoscale Discussion | SPC | Rockingham | 66 min |
| Sep 18, 11:16 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 59 min |
| Sep 18, 11:58 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 3 hr |
| Sep 19, 12:12 AM EDT | River Flood Warning | GYX | Grafton | 5 hr |
| Sep 19, 3:40 AM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 27 hr |
| Sep 19, 3:40 AM EDT | Freeze Warning | GYX | Carroll, Coos, Grafton | 27 hr |
| Sep 19, 3:41 AM EDT | Frost Advisory | BOX | Cheshire | 28 hr |
| Sep 19, 7:12 AM EDT | River Flood Warning | GYX | Carroll | 4 hr |
| Sep 22, 11:29 PM EDT | Special Weather Statement | BOX | Hillsborough | 61 min |
| Sep 24, 2:09 PM EDT | Frost Advisory | GYX | Carroll, Grafton | 17 hr |
| Sep 27, 3:11 PM EDT | Frost Advisory | GYX | Carroll | 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 | |
| Severe Thunderstorm Warning | 15 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 6 |
| Flooding | |
| River Flood Warning | 2 |
| Areal Flood Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 8 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| High Surf 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 archive20112013
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.