Alert archive / New Hampshire / Special Weather Statements in 2021
Special Weather Statement, NWS Gray, ME
NWS Gray, ME issued this special weather statement at Jul 6, 2021, 5:07 PM EDT for Rockingham County, New Hampshire. It was in force for 23 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
- Jul 6, 2021, 5:07 PM EDT (21:07 UTC)
- Expired
- Jul 6, 2021, 5:30 PM EDT
- In force
- 23 min
- Issued by
- NWS Gray, ME
County Rockingham County, NH
The radar
The Boston radar (KBOX), 98 km from the middle of the area, began a volume at 21:06 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
Gray, ME (KGYX), launched 12:00Z, 9.1 hours before the alert went out and 136 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
- 47 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 102 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 Jul 6, 4:05 PM EDT, 1 hour 2 minutes earlier.
Area forecast discussion, Jul 6, 4:05 PM EDT, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Jul 6, 3:45 PM EDT, 1 hour 22 minutes before
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</html>In the hours before
Special weather statement, Jul 6, 4:32 PM EDT, 35 minutes before
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</html>Special weather statement, Jul 6, 5:07 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Gray ME
507 PM EDT Tue Jul 6 2021
NHZ013-062130-
Interior Rockingham-
507 PM EDT Tue Jul 6 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL ROCKINGHAM
COUNTY...
At 506 PM EDT, a strong thunderstorm was located near Salem, moving
east at 30 mph.
Winds in excess of 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Derry, Salem, Hampstead, Atkinson, Kingston, Danville, East Kingston,
Newton, South Hampton, Plaistow and Sandown.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4280 7123 4292 7124 4289 7093 4287 7097
4286 7103 4285 7105 4281 7107 4282 7113
4281 7116 4279 7119
TIME...MOT...LOC 2106Z 275DEG 24KT 4286 7114
ClairThe office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 5:26 AM EDT | Dense Fog Advisory | GYX | Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 2 more | 3 hr |
| Jul 6, 4:32 PM EDT | Special Weather Statement | GYX | Hillsborough | 28 min |
| Jul 6, 4:58 PM EDT | Special Weather Statement | GYX | Hillsborough | 32 min |
| Jul 6, 7:34 PM EDT | Special Weather Statement | GYX | Carroll | 26 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.