Alert archive / New Hampshire / Special Weather Statements in 2021
Special Weather Statement, NWS Gray, ME
NWS Gray, ME issued this special weather statement at Aug 23, 2021, 4:07 PM EDT for Hillsborough County, New Hampshire. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2021, 4:07 PM EDT (20:07 UTC)
- Expired
- Aug 23, 2021, 4:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Gray, ME
- Hail
- 0.00 in
- Wind
- 50
- Spout
- Possible
County Hillsborough County, NH
The radar
The Boston radar (KBOX), 111 km from the middle of the area, began a volume at 20:12 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 nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.1 hours before the alert went out and 164 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 40 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 23, 11:38 AM EDT, 4 hours 29 minutes earlier.
Area forecast discussion, Aug 23, 11:38 AM EDT, 4 hours 29 minutes before
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</html>Hazardous weather outlook, Aug 23, 3:53 PM EDT, 14 minutes before
Hazardous Weather Outlook National Weather Service Gray ME 353 PM EDT Mon Aug 23 2021 MEZ007>009-012>014-018>022-033-NHZ001>006-009-010-012-013-242000- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Southern Somerset-Interior York- Central Interior Cumberland-Androscoggin-Kennebec-Interior Waldo- Interior Cumberland Highlands-Northern Coos-Southern Coos- Northern Grafton-Northern Carroll-Southern Grafton-Southern Carroll- Belknap-Strafford-Eastern Hillsborough-Interior Rockingham- 353 PM EDT Mon Aug 23 2021 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, west central Maine, western Maine, central New Hampshire, northern New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. Rainfall from the remnants of Henri is expected to remain south of the region at this time. Scattered showers will be possible this evening. Brief, locally heavy downpours will be possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NHZ007-008-011-015-242000- Sullivan-Merrimack-Cheshire-Western And Central Hillsborough- 353 PM EDT Mon Aug 23 2021 ...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for New Hampshire, central New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ150>154-170-172-174-MEZ023>028-NHZ014-242000- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- Penobscot Bay- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- Casco Bay- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM-Waters from Stonington ME to Port Clyde ME from 25 to 40 nm- Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 40 nm- Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 40 nm- Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-Knox-Coastal Waldo- Coastal Rockingham- 353 PM EDT Mon Aug 23 2021 This Hazardous Weather Outlook is for Atlantic coastal waters, south central Maine, southwest Maine and southern New Hampshire. .DAY ONE...This afternoon and tonight. Areas of dense fog over the waters and coastal counties possible tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Aug 23, 1:11 PM EDT, 2 hours 56 minutes before
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</html>Special weather statement, Aug 23, 2:59 PM EDT, 1 hour 8 minutes before
Special Weather Statement
National Weather Service Gray ME
259 PM EDT Mon Aug 23 2021
NHZ011-015-231945-
Western And Central Hillsborough NH-Cheshire NH-
259 PM EDT Mon Aug 23 2021
...A strong thunderstorm will impact portions of southwestern
Hillsborough County through 345 PM EDT...
At 259 PM EDT, Doppler radar was tracking a strong thunderstorm
capable of producing a landspout over Brookline, or 9 miles west of
Nashua, moving northwest at 15 mph.
HAZARD...Landspouts and wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Milford, Hollis, Peterborough, Mont Vernon, Lyndeborough, Greenville,
Wilton, New Ipswich, Sharon, Brookline, Mason, Temple, Mount Vernon
and Rindge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4271 7193 4286 7196 4290 7168 4271 7162
TIME...MOT...LOC 1859Z 142DEG 13KT 4273 7168
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DSSpecial weather statement, Aug 23, 4:07 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Gray ME
407 PM EDT Mon Aug 23 2021
NHZ015-232045-
Western And Central Hillsborough NH-
407 PM EDT Mon Aug 23 2021
...A developping storm will impact portions of southwestern
Hillsborough County through 445 PM EDT...
At 406 PM EDT, Doppler radar was tracking a strong storm capable of
producing a landspout over Greenville, or 11 miles north of
Fitchburg, moving north at 10 mph.
HAZARD...Landspouts and wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Minor damage to outdoor objects is possible. Gusty winds
could knock down tree limbs and blow around unsecured
objects.
Locations impacted include...
Milford, Peterborough, New Boston, Mont Vernon, Greenfield,
Lyndeborough, Francestown, Greenville, Wilton, New Ipswich,
Brookline, Mason, Temple, Sharon, Mount Vernon and Hancock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4271 7189 4295 7198 4298 7174 4271 7163
TIME...MOT...LOC 2006Z 159DEG 10KT 4277 7179
LANDSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DSThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 6:06 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 3 hr |
| Aug 23, 1:52 PM EDT | Special Weather Statement | GYX | Hillsborough | 38 min |
| Aug 23, 2:59 PM EDT | Special Weather Statement | GYX | Hillsborough | 46 min |
Nearby
Special Weather Statements in New Hampshire, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.