Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 28, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Jul 29, 2023, 2:11 PM EDT for 4 counties in New Hampshire. It was in force for 39 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
- Jul 29, 2023, 2:11 PM EDT (18:11 UTC)
- Expired
- Jul 29, 2023, 2:50 PM EDT
- In force
- 39 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH
The radar
The Portland,ME radar (KGYX), 124 km from the middle of the area, began a volume at 18:14 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 29, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 9:58 AM EDT, 4 hours 13 minutes earlier.
Area forecast discussion, Jul 29, 9:58 AM EDT, 4 hours 13 minutes before
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Special weather statement, Jul 29, 1:29 PM EDT, 42 minutes before
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</html>Special weather statement, Jul 29, 1:57 PM EDT, 14 minutes before
Special Weather Statement
National Weather Service Gray ME
157 PM EDT Sat Jul 29 2023
NHZ008-012-013-015-291845-
Merrimack NH-Western And Central Hillsborough NH-
Interior Rockingham NH-Eastern Hillsborough NH-
157 PM EDT Sat Jul 29 2023
...A strong thunderstorm will impact portions of northwestern
Rockingham, east central Hillsborough and southeastern Merrimack
Counties through 245 PM EDT...
At 157 PM EDT, Doppler radar was tracking a strong thunderstorm over
Bedford, or near Manchester, moving northeast at 25 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Manchester, Derry, Merrimack, Bedford, Hooksett, Amherst, Litchfield,
New Boston, Epsom, Raymond, Goffstown, Londonderry, Auburn, Chester,
Allenstown, Fremont, Deerfield, Candia and Sandown.
This includes the following highways...
Interstate 293 between mile markers 1 and 11.
Interstate 93 between mile markers 15 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern and central New Hampshire.
&&
LAT...LON 4286 7155 4296 7168 4320 7132 4297 7112
TIME...MOT...LOC 1757Z 234DEG 15KT 4294 7152
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
CempaSpecial weather statement, Jul 29, 1:58 PM EDT, 13 minutes before
Special Weather Statement
National Weather Service Gray ME
158 PM EDT Sat Jul 29 2023
MEZ012-019-033-291900-
Southern Oxford ME-Interior Cumberland Highlands ME-
Central Interior Cumberland ME-
158 PM EDT Sat Jul 29 2023
...A strong thunderstorm will impact portions of south central Oxford
and west central Cumberland Counties through 300 PM EDT...
At 158 PM EDT, Doppler radar was tracking a strong thunderstorm near
Hiram, or 10 miles south of Fryeburg, moving east at 15 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Bridgton, Naples, Hiram, Raymond, Standish, Casco, Brownfield,
Denmark, Frye Island, Sebago, Baldwin and Porter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
If on or near Sebago and Long Lake, get out of the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
10 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
LAT...LON 4386 7095 4393 7094 4401 7053 4383 7054
TIME...MOT...LOC 1758Z 266DEG 14KT 4391 7086
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
TubbsThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 7:34 AM EDT | Flood Watch | GYX | Androscoggin, Cumberland, Kennebec, Oxford, Sagadahoc, York | 14 hr |
| Jul 29, 1:31 PM EDT | Severe Thunderstorm Warning | GYX | Oxford | 30 min |
| Jul 29, 1:58 PM EDT | Special Weather Statement | GYX | Cumberland | 62 min |
| Jul 29, 2:42 PM EDT | Special Weather Statement | GYX | Cumberland | 33 min |
| Jul 29, 3:00 PM EDT | Flash Flood Warning | GYX | Cumberland, York | 5 hr |
| Jul 29, 3:54 PM EDT | Small Craft Advisory | GYX | 16 hr | |
| Jul 29, 5:03 PM EDT | Flash Flood Warning | GYX | Oxford | 3 hr |
| Jul 29, 5:07 PM EDT | Flash Flood Warning | GYX | Cumberland | 3 hr |
| Jul 29, 5:30 PM EDT | Flash Flood Warning | GYX | Androscoggin, Cumberland, Sagadahoc | 6 hr |
| Jul 29, 6:33 PM EDT | Areal Flood Advisory | GYX | Kennebec, Lincoln, Sagadahoc | 6 hr |
| Jul 29, 7:56 PM EDT | Areal Flood Advisory | GYX | Oxford | 2 hr |
| Jul 29, 1:29 PM EDT | Special Weather Statement | GYX | Carroll | 31 min |
| Jul 29, 1:57 PM EDT | Special Weather Statement | GYX | Rockingham | 48 min |
| Jul 29, 2:40 PM EDT | Special Weather Statement | GYX | Merrimack | 35 min |
| Jul 29, 2:42 PM EDT | Areal Flood Advisory | GYX | Cheshire, Merrimack, Sullivan | 2 hr |
| Jul 29, 3:25 PM EDT | Flash Flood Warning | GYX | Merrimack | 5 hr |
| Jul 29, 3:25 PM EDT | Special Weather Statement | GYX | Belknap | 35 min |
| Jul 29, 3:54 PM EDT | Areal Flood Advisory | GYX | Belknap, Carroll, Merrimack, Strafford | 5 hr |
| Jul 29, 4:26 PM EDT | Flash Flood Warning | GYX | Belknap, Carroll, Strafford | 4 hr |
| Jul 29, 5:19 PM EDT | Flash Flood Warning | GYX | Cheshire | 2 hr |
| Jul 29, 7:04 PM EDT | Areal Flood Advisory | GYX | Hillsborough, Rockingham | 3 hr |
Nearby
Severe Thunderstorm Warnings in New Hampshire, 2023Every severe thunderstorm warning in 2023
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.