Alert archive / New Hampshire / 2018
Weather alerts in New Hampshire, May 2018
42 weather alerts in May 2018, 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 May 2018. Tap one for its archive.
- Alerts
- 42
- Warnings
- 7
- Watches
- 4
- Advisories
- 6
- Busiest day
- May 5, 201810 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 |
|---|---|---|---|---|
| May 1, 9:25 AM EDT | Beach Hazards Statement | GYX | Rockingham | 35 hr |
| May 3, 11:49 AM EDT | Special Weather Statement | GYX | Carroll | 41 min |
| May 3, 12:07 PM EDT | Special Weather Statement | GYX | Strafford | 38 min |
| May 3, 12:43 PM EDT | Special Weather Statement | GYX | Strafford | 47 min |
| May 3, 1:14 PM EDT | Special Weather Statement | GYX | Rockingham | 46 min |
| May 4, 12:52 PM EDT | Beach Hazards Statement | GYX | Rockingham | 31 hr |
| May 4, 12:58 PM EDT | Wind Advisory | GYX | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 2 more | 18 hr |
| May 4, 2:18 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Merrimack and 1 more | 87 min |
| May 4, 5:52 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough | 83 min |
| May 4, 6:20 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Coos, Grafton, Hillsborough, Merrimack and 1 more | 4 hr |
| May 4, 6:48 PM EDT | Mesoscale Discussion | SPC | Coos, Grafton | 117 min |
| May 4, 7:54 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Coos, Grafton, Strafford | 3 hr |
| May 4, 8:12 PM EDT | Severe Thunderstorm Warning | GYX | Coos, Grafton | 78 min |
| May 4, 8:49 PM EDT | Areal Flood Advisory | GYX | Coos | 116 min |
| May 4, 8:50 PM EDT | Mesoscale Discussion | SPC | Cheshire, Hillsborough, Merrimack, Sullivan | 85 min |
| May 4, 8:54 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 66 min |
| May 4, 9:09 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough, Merrimack, Sullivan | 66 min |
| May 4, 9:20 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Coos | 55 min |
| May 4, 9:48 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 57 min |
| May 4, 9:59 PM EDT | Special Weather Statement | GYX | Belknap, Hillsborough, Merrimack, Rockingham, Strafford | 46 min |
| May 4, 10:06 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll, Merrimack, Strafford | 32 min |
| May 4, 10:35 PM EDT | Special Weather Statement | GYX | Rockingham | 40 min |
| May 8, 4:37 AM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 4 hr |
| May 9, 3:10 PM EDT | Dense Fog Advisory | GYX | Rockingham, Strafford | 17 hr |
| May 10, 2:44 PM EDT | Fire Weather Watch | GYX | 12 hr | |
| May 11, 3:08 AM EDT | Red Flag Warning | GYX | 17 hr | |
| May 11, 3:11 AM EDT | Frost Advisory | GYX | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 2 more | 28 hr |
| May 15, 1:58 PM EDT | Mesoscale Discussion | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 2 hr |
| May 15, 2:26 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough, Rockingham | 5 hr |
| May 15, 3:02 PM EDT | Special Weather Statement | GYX | Belknap, Cheshire, Hillsborough, Merrimack, Strafford, Sullivan | 73 min |
| May 15, 3:23 PM EDT | Special Weather Statement | GYX | Hillsborough, Rockingham | 52 min |
| May 15, 3:52 PM EDT | Special Weather Statement | GYX | Cheshire | 38 min |
| May 15, 4:17 PM EDT | Special Weather Statement | GYX | Rockingham | 28 min |
| May 15, 4:28 PM EDT | Special Weather Statement | GYX | Hillsborough | 47 min |
| May 15, 5:10 PM EDT | Special Weather Statement | GYX | Hillsborough, Rockingham, Strafford | 50 min |
| May 18, 3:34 AM EDT | Frost Advisory | GYX | Carroll, Grafton | 27 hr |
| May 20, 3:40 PM EDT | Fire Weather Watch | GYX | 11 hr | |
| May 21, 6:23 AM EDT | Beach Hazards Statement | GYX | Rockingham | 14 hr |
| May 26, 1:09 PM EDT | Mesoscale Discussion | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 3 hr |
| May 26, 4:49 PM EDT | Special Weather Statement | GYX | Merrimack | 41 min |
| May 26, 5:49 PM EDT | Special Weather Statement | GYX | Rockingham | 56 min |
| May 31, 7:44 AM EDT | Beach Hazards Statement | GYX | Rockingham | 12 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 | 6 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Cold | |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Beach Hazards Statement | 4 |
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 archive20172019
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.