Alert archive / New Hampshire / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in New Hampshire, 1998
27 severe thunderstorm warnings in 1998. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1998. Tap one for its archive.
- Severe Thunderstorm Warnings
- 27
- Busiest month
- May12 severe thunderstorm warnings
- Busiest day
- May 29, 19985 severe thunderstorm warnings
Over time
By month
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 20, 6:40 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 45 min |
| May 20, 6:48 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 62 min |
| May 20, 7:34 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 46 min |
| May 20, 8:24 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 31 min |
| May 29, 5:09 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 66 min |
| May 29, 5:24 PM EDT | Severe Thunderstorm Warning | GYX | Belknap | 46 min |
| May 29, 5:28 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 32 min |
| May 29, 5:40 PM EDT | Severe Thunderstorm Warning | GYX | Carroll, Strafford | 45 min |
| May 29, 5:44 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 46 min |
| May 31, 5:49 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 46 min |
| May 31, 6:13 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham | 47 min |
| May 31, 7:58 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 32 min |
| May 31, 8:26 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham | 64 min |
| May 31, 8:28 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 47 min |
| Aug 24, 2:54 PM EDT | Severe Thunderstorm Warning | GYX | Grafton | 56 min |
| Aug 24, 3:25 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 45 min |
| Aug 24, 8:20 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Carroll | 45 min |
| Aug 25, 5:00 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 30 min |
| Aug 25, 5:05 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack, Rockingham | 60 min |
| Aug 25, 5:17 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 48 min |
| Aug 25, 6:05 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 50 min |
| Sep 7, 3:38 AM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 62 min |
| Sep 7, 4:13 AM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 17 min |
| Sep 7, 4:30 AM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 45 min |
| Sep 7, 5:00 AM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 30 min |
| Sep 21, 5:33 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 37 min |
| Sep 27, 7:29 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 31 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.