Alert archive / New Hampshire / 2013
Weather alerts in New Hampshire, September 2013
105 weather alerts in September 2013, 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 2013. Tap one for its archive.
- Alerts
- 105
- Warnings
- 38
- Watches
- 6
- Advisories
- 32
- Busiest day
- September 12, 201348 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 |
|---|---|---|---|---|
| Aug 31, 10:34 PM EDT | Areal Flood Advisory | GYX | Carroll | 3 hr |
| Sep 1, 3:11 PM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 35 hr |
| Sep 1, 6:20 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 115 min |
| Sep 1, 7:03 PM EDT | Flash Flood Warning | GYX | Rockingham, Strafford | 57 min |
| Sep 1, 10:21 PM EDT | Flash Flood Warning | GYX | Merrimack, Rockingham | 3 hr |
| Sep 1, 10:43 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 2 hr |
| Sep 2, 3:13 AM EDT | Areal Flood Advisory | GYX | Carroll, Coos | 3 hr |
| Sep 2, 3:44 AM EDT | Areal Flood Advisory | BOX | Cheshire | 2 hr |
| Sep 2, 4:21 AM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 21 hr |
| Sep 2, 4:21 AM EDT | Areal Flood Advisory | GYX | Belknap, Grafton, Merrimack, Sullivan | 3 hr |
| Sep 2, 4:35 AM EDT | Flash Flood Warning | GYX | Carroll, Coos, Grafton | 6 hr |
| Sep 2, 5:33 AM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Grafton | 3 hr |
| Sep 2, 6:35 AM EDT | Areal Flood Advisory | GYX | Merrimack, Rockingham, Strafford | 4 hr |
| Sep 2, 11:33 AM EDT | Areal Flood Advisory | GYX | Rockingham, Strafford | 3 hr |
| Sep 2, 2:22 PM EDT | Flash Flood Warning | BOX | Hillsborough | 3 hr |
| Sep 2, 2:41 PM EDT | Flash Flood Warning | GYX | Merrimack, Rockingham | 64 min |
| Sep 2, 3:43 PM EDT | Flash Flood Warning | GYX | Merrimack, Rockingham | 62 min |
| Sep 3, 1:44 PM EDT | Mesoscale Discussion | SPC | Hillsborough, Rockingham | 2 hr |
| Sep 5, 2:57 AM EDT | Frost Advisory | GYX | Coos | 29 hr |
| Sep 5, 3:50 PM EDT | Frost Advisory | BOX | Cheshire | 15 hr |
| Sep 8, 3:37 AM EDT | Frost Advisory | GYX | Carroll, Coos, Grafton | 28 hr |
| Sep 10, 4:26 PM EDT | Heat Advisory | BOX | Hillsborough | 26 hr |
| Sep 11, 1:55 AM EDT | Special Weather Statement | GYX | Coos | 95 min |
| Sep 11, 8:46 AM EDT | Heat Advisory | GYX | Rockingham, Strafford | 8 hr |
| Sep 11, 1:30 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 60 min |
| Sep 11, 2:33 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 9 hr |
| Sep 11, 4:31 PM EDT | Special Weather Statement | GYX | Coos | 44 min |
| Sep 11, 4:41 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 34 min |
| Sep 11, 5:10 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 50 min |
| Sep 11, 5:24 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 66 min |
| Sep 11, 5:32 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 58 min |
| Sep 11, 6:05 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 55 min |
| Sep 11, 6:27 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Grafton | 63 min |
| Sep 11, 6:49 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 41 min |
| Sep 11, 6:54 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 96 min |
| Sep 11, 7:03 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 57 min |
| Sep 11, 7:18 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 57 min |
| Sep 11, 7:54 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 66 min |
| Sep 11, 7:56 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 64 min |
| Sep 11, 8:08 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton, Sullivan | 67 min |
| Sep 11, 8:43 PM EDT | Special Weather Statement | BOX | Hillsborough | 92 min |
| Sep 11, 8:59 PM EDT | Special Weather Statement | BOX | Hillsborough | 46 min |
| Sep 11, 9:03 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack | 57 min |
| Sep 11, 9:22 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 53 min |
| Sep 11, 9:44 PM EDT | Areal Flood Advisory | GYX | Grafton | 91 min |
| Sep 11, 9:44 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 61 min |
| Sep 11, 9:59 PM EDT | Special Weather Statement | BOX | Hillsborough | 31 min |
| Sep 11, 10:04 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 56 min |
| Sep 12, 4:53 AM EDT | Special Weather Statement | GYX | Coos | 52 min |
| Sep 12, 10:45 AM EDT | Special Weather Statement | GYX | Carroll | 60 min |
| Sep 12, 10:59 AM EDT | Special Weather Statement | GYX | Belknap, Merrimack | 61 min |
| Sep 12, 11:44 AM EDT | Special Weather Statement | GYX | Rockingham | 61 min |
| Sep 12, 12:10 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 65 min |
| Sep 12, 12:24 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 66 min |
| Sep 12, 12:59 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 46 min |
| Sep 12, 1:03 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 9 hr |
| Sep 12, 1:15 PM EDT | Special Weather Statement | BOX | Hillsborough | 45 min |
| Sep 12, 1:31 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 59 min |
| Sep 12, 1:40 PM EDT | Flash Flood Warning | BOX | Cheshire | 3 hr |
| Sep 12, 1:47 PM EDT | Flash Flood Watch | BOX | Cheshire, Hillsborough | 8 hr |
| Sep 12, 2:00 PM EDT | Special Weather Statement | BOX | Cheshire | 45 min |
| Sep 12, 2:08 PM EDT | Special Weather Statement | GYX | Rockingham, Strafford | 37 min |
| Sep 12, 2:10 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 65 min |
| Sep 12, 2:25 PM EDT | Flash Flood Warning | BOX | Cheshire | 3 hr |
| Sep 12, 2:41 PM EDT | Areal Flood Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford | 3 hr |
| Sep 12, 2:53 PM EDT | Areal Flood Advisory | BOX | Cheshire, Hillsborough | 3 hr |
| Sep 12, 3:01 PM EDT | Special Weather Statement | BOX | Cheshire | 44 min |
| Sep 12, 3:07 PM EDT | Flash Flood Watch | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 12 hr |
| Sep 12, 3:26 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 64 min |
| Sep 12, 3:32 PM EDT | Special Weather Statement | BOX | Cheshire | 28 min |
| Sep 12, 3:47 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 43 min |
| Sep 12, 4:10 PM EDT | Special Weather Statement | BOX | Cheshire | 35 min |
| Sep 12, 4:17 PM EDT | Flash Flood Warning | BOX | Cheshire | 5 hr |
| Sep 12, 4:25 PM EDT | Special Weather Statement | GYX | Coos | 35 min |
| Sep 12, 4:31 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 44 min |
| Sep 12, 4:40 PM EDT | Special Weather Statement | BOX | Hillsborough | 50 min |
| Sep 12, 4:49 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 56 min |
| Sep 12, 5:00 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 45 min |
| Sep 12, 5:19 PM EDT | Special Weather Statement | GYX | Sullivan | 56 min |
| Sep 12, 5:20 PM EDT | Flash Flood Warning | BOX | Hillsborough | 4 hr |
| Sep 12, 5:21 PM EDT | Special Weather Statement | GYX | Merrimack | 24 min |
| Sep 12, 5:35 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Sullivan | 55 min |
| Sep 12, 6:16 PM EDT | Areal Flood Advisory | GYX | Carroll, Coos, Grafton | 119 min |
| Sep 12, 6:24 PM EDT | Special Weather Statement | GYX | Carroll | 66 min |
| Sep 12, 6:48 PM EDT | Areal Flood Advisory | BOX | Cheshire | 3 hr |
| Sep 12, 6:50 PM EDT | Special Weather Statement | BOX | Hillsborough | 40 min |
| Sep 12, 7:31 PM EDT | Areal Flood Advisory | BOX | Hillsborough | 4 hr |
| Sep 12, 8:03 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 57 min |
| Sep 12, 9:32 PM EDT | Areal Flood Warning | BOX | Cheshire, Hillsborough | 4 hr |
| Sep 13, 2:31 PM EDT | Special Weather Statement | GYX | Rockingham | 29 min |
| Sep 14, 7:39 AM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Sep 14, 9:27 AM EDT | Flash Flood Warning | GYX | Coos | 2 hr |
| Sep 16, 2:55 AM EDT | Frost Advisory | GYX | Belknap, Merrimack, Rockingham, Strafford, Sullivan | 30 hr |
| Sep 16, 2:55 AM EDT | Freeze Warning | GYX | Carroll, Coos, Grafton | 30 hr |
| Sep 16, 4:09 AM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 28 hr |
| Sep 17, 4:08 AM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 28 hr |
| Sep 17, 2:32 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 17 hr |
| Sep 17, 2:32 PM EDT | Freeze Warning | GYX | Carroll, Grafton | 17 hr |
| Sep 21, 12:41 AM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 7 hr |
| Sep 23, 3:31 PM EDT | Frost Advisory | BOX | Cheshire, Hillsborough | 16 hr |
| Sep 23, 4:50 PM EDT | Frost Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Strafford, Sullivan | 10 hr |
| Sep 29, 5:17 AM EDT | Dense Fog Advisory | GYX | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 5 hr |
| Sep 29, 5:26 AM EDT | Dense Fog Advisory | BOX | Hillsborough | 5 hr |
| Sep 29, 3:57 PM EDT | Dense Fog Advisory | BOX | Cheshire, Hillsborough | 14 hr |
| Sep 30, 6:12 AM EDT | Dense Fog Advisory | GYX | Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more | 3 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 | 24 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 11 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 16 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
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 archive20122014
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.