Alert archive / New Hampshire / 2017
Weather alerts in New Hampshire, July 2017
83 weather alerts in July 2017, 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 July 2017. Tap one for its archive.
- Alerts
- 83
- Warnings
- 34
- Watches
- 1
- Advisories
- 12
- Busiest day
- July 1, 201730 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 |
|---|---|---|---|---|
| Jul 1, 10:32 AM EDT | Special Weather Statement | GYX | Merrimack | 28 min |
| Jul 1, 11:01 AM EDT | Special Weather Statement | GYX | Sullivan | 29 min |
| Jul 1, 12:14 PM EDT | Special Weather Statement | GYX | Grafton | 61 min |
| Jul 1, 12:32 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 118 min |
| Jul 1, 1:13 PM EDT | Special Weather Statement | GYX | Grafton | 62 min |
| Jul 1, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 8 hr |
| Jul 1, 1:34 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 41 min |
| Jul 1, 1:46 PM EDT | Tornado Warning | GYX | Carroll, Grafton | 26 min |
| Jul 1, 3:18 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 57 min |
| Jul 1, 3:23 PM EDT | Tornado Warning | GYX | Grafton | 14 min |
| Jul 1, 3:45 PM EDT | Beach Hazards Statement | GYX | Rockingham | 29 hr |
| Jul 1, 3:46 PM EDT | Special Weather Statement | GYX | Carroll | 29 min |
| Jul 1, 3:51 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 39 min |
| Jul 1, 4:02 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 58 min |
| Jul 1, 4:08 PM EDT | Areal Flood Advisory | GYX | Coos, Grafton | 2 hr |
| Jul 1, 4:10 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 1 more | 2 hr |
| Jul 1, 4:13 PM EDT | Tornado Warning | GYX | Carroll | 47 min |
| Jul 1, 4:19 PM EDT | Flash Flood Warning | GYX | Coos, Grafton | 116 min |
| Jul 1, 4:40 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Coos, Grafton | 65 min |
| Jul 1, 5:01 PM EDT | Tornado Warning | GYX | Carroll | 21 min |
| Jul 1, 5:04 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 56 min |
| Jul 1, 5:10 PM EDT | Flash Flood Warning | GYX | Carroll, Coos, Grafton | 2 hr |
| Jul 1, 5:39 PM EDT | Flash Flood Warning | GYX | Belknap, Grafton, Merrimack, Sullivan | 2 hr |
| Jul 1, 5:48 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 42 min |
| Jul 1, 5:50 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton, Merrimack | 55 min |
| Jul 1, 6:19 PM EDT | Areal Flood Warning | GYX | Coos, Grafton | 116 min |
| Jul 1, 6:36 PM EDT | River Flood Warning | GYX | Grafton | 17 hr |
| Jul 1, 6:58 PM EDT | Flash Flood Warning | GYX | Carroll | 3 hr |
| Jul 1, 7:16 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Grafton, Hillsborough, Merrimack, Sullivan | 59 min |
| Jul 1, 7:58 PM EDT | Flash Flood Warning | GYX | Grafton, Sullivan | 2 hr |
| Jul 1, 8:01 PM EDT | Special Weather Statement | GYX | Cheshire | 59 min |
| Jul 1, 9:34 PM EDT | Flash Flood Warning | GYX | Carroll, Coos, Grafton | 3 hr |
| Jul 1, 9:45 PM EDT | River Flood Warning | GYX | Grafton | 24 hr |
| Jul 1, 11:58 PM EDT | River Flood Warning | GYX | Grafton | 9 hr |
| Jul 2, 1:20 AM EDT | River Flood Warning | GYX | Carroll | 16 hr |
| Jul 2, 3:24 PM EDT | Beach Hazards Statement | GYX | Rockingham | 30 hr |
| Jul 3, 3:00 PM EDT | Beach Hazards Statement | GYX | Rockingham | 30 hr |
| Jul 8, 10:07 AM EDT | Special Weather Statement | GYX | Coos | 38 min |
| Jul 8, 10:50 AM EDT | Special Weather Statement | GYX | Coos | 40 min |
| Jul 8, 11:09 AM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 3 hr |
| Jul 8, 11:38 AM EDT | Special Weather Statement | GYX | Grafton | 52 min |
| Jul 8, 11:47 AM EDT | Areal Flood Advisory | GYX | Grafton | 58 min |
| Jul 8, 12:03 PM EDT | Special Weather Statement | GYX | Belknap, Cheshire, Merrimack | 42 min |
| Jul 8, 12:16 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 1 more | 44 min |
| Jul 8, 12:58 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 47 min |
| Jul 8, 1:07 PM EDT | Areal Flood Advisory | GYX | Hillsborough, Merrimack | 113 min |
| Jul 8, 1:25 PM EDT | Flash Flood Warning | GYX | Hillsborough, Merrimack, Rockingham, Strafford | 2 hr |
| Jul 8, 1:42 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Hillsborough, Merrimack, Rockingham, Strafford | 48 min |
| Jul 8, 3:20 PM EDT | Areal Flood Advisory | GYX | Coos, Grafton | 115 min |
| Jul 8, 3:37 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 38 min |
| Jul 8, 6:52 PM EDT | Beach Hazards Statement | GYX | Rockingham | 25 hr |
| Jul 8, 8:16 PM EDT | Special Weather Statement | GYX | Rockingham | 29 min |
| Jul 12, 12:36 PM EDT | Areal Flood Advisory | GYX | Merrimack | 54 min |
| Jul 12, 12:51 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Rockingham | 114 min |
| Jul 12, 2:39 PM EDT | Special Weather Statement | GYX | Carroll | 51 min |
| Jul 12, 6:14 PM EDT | Areal Flood Advisory | GYX | Hillsborough | 2 hr |
| Jul 12, 8:52 PM EDT | Special Weather Statement | GYX | Sullivan | 23 min |
| Jul 12, 9:35 PM EDT | Areal Flood Advisory | GYX | Cheshire, Merrimack, Sullivan | 3 hr |
| Jul 17, 12:14 PM EDT | Mesoscale Discussion | SPC | Grafton, Sullivan | 2 hr |
| Jul 17, 3:58 PM EDT | Special Weather Statement | GYX | Grafton | 32 min |
| Jul 17, 4:29 PM EDT | Areal Flood Advisory | GYX | Coos | 3 hr |
| Jul 17, 4:46 PM EDT | Special Weather Statement | GYX | Grafton | 29 min |
| Jul 17, 5:07 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 53 min |
| Jul 17, 6:58 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Merrimack, Sullivan | 62 min |
| Jul 17, 7:06 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Grafton | 54 min |
| Jul 17, 7:10 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos, Grafton | 65 min |
| Jul 17, 7:58 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 62 min |
| Jul 17, 8:47 PM EDT | Special Weather Statement | GYX | Belknap | 43 min |
| Jul 17, 8:56 PM EDT | Special Weather Statement | GYX | Cheshire | 64 min |
| Jul 17, 9:20 PM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Grafton, Merrimack | 3 hr |
| Jul 17, 9:51 PM EDT | Special Weather Statement | GYX | Belknap, Carroll, Merrimack | 54 min |
| Jul 17, 11:03 PM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Strafford | 117 min |
| Jul 19, 3:04 AM EDT | Dense Fog Advisory | GYX | Carroll, Rockingham, Strafford | 6 hr |
| Jul 20, 1:38 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton | 2 hr |
| Jul 20, 3:46 PM EDT | Special Weather Statement | GYX | Rockingham | 44 min |
| Jul 20, 4:32 PM EDT | Special Weather Statement | GYX | Belknap | 58 min |
| Jul 23, 12:52 PM EDT | Coastal Flood Advisory | GYX | Rockingham | 12 hr |
| Jul 24, 3:29 AM EDT | Coastal Flood Advisory | GYX | Rockingham | 24 hr |
| Jul 28, 2:36 AM EDT | Beach Hazards Statement | GYX | Rockingham | 12 hr |
| Jul 31, 4:15 PM EDT | Special Weather Statement | GYX | Coos | 30 min |
| Jul 31, 4:34 PM EDT | Special Weather Statement | GYX | Coos | 41 min |
| Jul 31, 5:10 PM EDT | Special Weather Statement | GYX | Carroll | 35 min |
| Jul 31, 5:28 PM EDT | Special Weather Statement | GYX | Carroll | 32 min |
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 | 17 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 24 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 8 |
| River Flood Warning | 4 |
| Areal Flood Advisory | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
| Beach Hazards Statement | 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 archive20162018
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.