Weather alerts in New Hampshire, 1998
52 weather alerts in 1998, 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 1998. Tap one for its archive.
- Alerts
- 52
- Warnings
- 48
- Watches
- 4
- Advisories
- 0
- Busiest month
- June18 alerts
- Busiest day
- May 29, 19986 alerts
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 |
|---|---|---|---|---|
| Mar 30, 8:09 PM EST | Flash Flood Warning | GYX | Coos | 6 hr |
| Mar 31, 2:13 AM EST | Flash Flood Warning | GYX | Coos | 4 hr |
| Apr 1, 6:37 PM EST | Flash Flood Warning | GYX | Coos | 12 hr |
| 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, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 6 hr |
| 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, 5:27 PM EDT | Tornado Warning | BOX | Cheshire | 48 min |
| May 31, 5:45 PM EDT | Tornado Watch | SPC | Cheshire, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan | 5 hr |
| May 31, 5:49 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 46 min |
| May 31, 6:00 PM EDT | Tornado Warning | BOX | Hillsborough | 35 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, 8:00 PM EDT | Tornado Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 6 hr |
| 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 |
| Jun 13, 5:31 PM EDT | Flash Flood Warning | GYX | Rockingham | 8 hr |
| Jun 13, 6:23 PM EDT | Flash Flood Warning | GYX | Strafford | 8 hr |
| Jun 13, 9:27 PM EDT | Flash Flood Warning | GYX | Grafton | 5 hr |
| Jun 13, 11:13 PM EDT | Flash Flood Warning | GYX | Rockingham, Strafford | 13 hr |
| Jun 14, 10:00 AM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 10 hr |
| Jun 14, 2:30 PM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Merrimack, Rockingham, Strafford | 10 hr |
| Jun 14, 2:50 PM EDT | Flash Flood Warning | GYX | Grafton | 9 hr |
| Jun 16, 9:54 AM EDT | Flash Flood Warning | GYX | Belknap | 3 hr |
| Jun 16, 10:18 AM EDT | Flash Flood Warning | GYX | Merrimack | 3 hr |
| Jun 17, 2:01 PM EDT | Flash Flood Warning | GYX | Coos | 6 hr |
| Jun 18, 7:37 PM EDT | Flash Flood Warning | GYX | Carroll | 3 hr |
| Jun 27, 7:01 AM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Grafton | 6 hr |
| Jun 27, 9:31 AM EDT | Flash Flood Warning | GYX | Coos | 5 hr |
| Jun 27, 3:09 PM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Coos, Grafton | 8 hr |
| Jun 27, 9:50 PM EDT | Flash Flood Warning | GYX | Belknap, Grafton | 10 hr |
| Jul 17, 4:26 PM EDT | Flash Flood Warning | BOX | Cheshire | 3 hr |
| 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, 3:30 AM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough | 5 hr |
| 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 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 | 27 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Flooding | |
| Flash Flood Warning | 19 |
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.