Weather alerts in New Hampshire, 1999
40 weather alerts in 1999, 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 1999. Tap one for its archive.
- Alerts
- 40
- Warnings
- 30
- Watches
- 10
- Advisories
- 0
- Busiest month
- July31 alerts
- Busiest day
- July 6, 199913 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 |
|---|---|---|---|---|
| May 19, 11:28 PM EDT | Flash Flood Warning | GYX | Grafton | 6 hr |
| Jun 7, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more | 6 hr |
| Jun 8, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Coos, Grafton, Strafford | 7 hr |
| Jun 29, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Hillsborough, Merrimack, Rockingham and 1 more | 5 hr |
| Jun 29, 3:56 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 34 min |
| Jun 29, 4:10 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 60 min |
| Jul 5, 3:00 AM EDT | Severe Thunderstorm Watch | SPC | Coos | 5 hr |
| Jul 5, 3:31 AM EDT | Severe Thunderstorm Warning | GYX | Coos | 59 min |
| Jul 5, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more | 6 hr |
| Jul 5, 10:30 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more | 7 hr |
| Jul 6, 1:08 AM EDT | Severe Thunderstorm Warning | GYX | Carroll | 42 min |
| Jul 6, 11:45 AM EDT | Severe Thunderstorm Watch | SPC | Carroll, Coos, Grafton | 5 hr |
| Jul 6, 2:05 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 60 min |
| Jul 6, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford and 1 more | 6 hr |
| Jul 6, 3:20 PM EDT | Severe Thunderstorm Warning | GYX | Strafford | 45 min |
| Jul 6, 3:39 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 51 min |
| Jul 6, 3:41 PM EDT | Severe Thunderstorm Warning | GYX | Grafton, Sullivan | 49 min |
| Jul 6, 3:58 PM EDT | Severe Thunderstorm Warning | GYX | Belknap, Merrimack | 77 min |
| Jul 6, 3:58 PM EDT | Severe Thunderstorm Warning | GYX | Carroll | 77 min |
| Jul 6, 4:08 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 52 min |
| Jul 6, 4:31 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 29 min |
| Jul 6, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham, Strafford | 47 min |
| Jul 22, 10:41 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 49 min |
| Jul 22, 11:44 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 46 min |
| Jul 24, 3:15 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 50 min |
| Jul 24, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Cheshire, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan | 6 hr |
| Jul 24, 3:32 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 48 min |
| Jul 24, 3:50 PM EDT | Tornado Warning | GYX | Rockingham | 30 min |
| Jul 24, 4:16 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 24 min |
| Jul 24, 7:00 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 45 min |
| Jul 25, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Belknap, Hillsborough, Merrimack, Rockingham, Strafford | 6 hr |
| Jul 25, 1:37 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 33 min |
| Jul 25, 1:55 PM EDT | Severe Thunderstorm Warning | BOX | Hillsborough | 50 min |
| Jul 25, 2:49 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 46 min |
| Jul 27, 7:49 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 41 min |
| Jul 29, 11:45 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 60 min |
| Jul 30, 2:04 AM EDT | Severe Thunderstorm Warning | GYX | Carroll, Grafton | 46 min |
| Aug 5, 3:12 PM EDT | Severe Thunderstorm Warning | GYX | Rockingham | 48 min |
| Aug 17, 8:52 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 53 min |
| Aug 17, 9:17 PM EDT | Severe Thunderstorm Warning | GYX | Merrimack | 48 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 | 28 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 10 |
| Flooding | |
| Flash Flood Warning | 1 |
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 archive19982000
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.