Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 45, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Aug 13, 2025, 5:54 PM EDT for Merrimack County, Rockingham County, Strafford County, New Hampshire. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2025, 5:54 PM EDT (21:54 UTC)
- Expired
- Aug 13, 2025, 6:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Merrimack County, NH, Rockingham County, NH, Strafford County, NH
The radar
The Portland,ME radar (KGYX), 112 km from the middle of the area, began a volume at 21:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 4:43 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough | 47 min |
| Aug 13, 5:02 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 43 min |
| Aug 13, 5:04 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Rockingham | 41 min |
| Aug 13, 5:45 PM EDT | Severe Thunderstorm Warning | GYX | Hillsborough, Merrimack, Rockingham | 45 min |
| Aug 13, 5:53 PM EDT | Severe Thunderstorm Warning | GYX | Cheshire, Hillsborough | 34 min |
| Aug 13, 7:09 PM EDT | Flash Flood Warning | GYX | Hillsborough, Rockingham | 3 hr |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 2025Every severe thunderstorm warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.