Alert archive / New Hampshire / Special Weather Statements in 2021

Special Weather Statement, NWS Gray, ME

July 20, 2021Rockingham County, New Hampshire

NWS Gray, ME issued this special weather statement at Jul 20, 2021, 10:15 PM EDT for Rockingham County, New Hampshire. It was in force for 45 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 20, 2021, 10:15 PM EDT (02:15 UTC)
Expired
Jul 20, 2021, 11:00 PM EDT
In force
45 min
Issued by
NWS Gray, ME

County Rockingham County, NH

The radar

The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 02:16 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 text

As transmitted.

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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.

In the hours before

Special weather statement, Jul 20, 8:55 PM EDT, 1 hour 20 minutes before
Special Weather Statement
National Weather Service Gray ME
855 PM EDT Tue Jul 20 2021

NHZ003-005-210145-
Northern Grafton-Southern Grafton-
855 PM EDT Tue Jul 20 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GRAFTON COUNTY...

At 855 PM EDT, a strong thunderstorm was located over Bradford, or 20
miles southeast of Barre, moving east at 30 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Littleton, Bethlehem, Lincoln, Haverhill, Franconia, Woodstock,
Piermont, Lisbon, Bath, Benton, Easton, Ellsworth, Monroe, Landaff,
Lyman, Thornton, Sugar Hill, Orford and Wentworth.

This includes Interstate 93 between mile markers 90 and 106, and
between mile markers 115 and 131.

This also includes...
  Mount Moosilauke, Cannon Mountain, AMC Lonesome Lake Hut, Long Pond
Recreation Area, and Elbow Pond Recreation Area.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4396 7210 4399 7212 4401 7211 4408 7203
      4409 7205 4410 7203 4411 7206 4413 7203
      4419 7206 4424 7205 4428 7206 4432 7203
      4434 7198 4435 7190 4434 7187 4435 7182
      4440 7179 4440 7178 4389 7160 4387 7217
TIME...MOT...LOC 0055Z 255DEG 25KT 4401 7219
Special weather statement, Jul 20, 9:15 PM EDT, 1 hour before
Special Weather Statement
National Weather Service Gray ME
915 PM EDT Tue Jul 20 2021

NHZ005-007-210145-
Southern Grafton-Sullivan-
915 PM EDT Tue Jul 20 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN SULLIVAN
AND SOUTHWESTERN GRAFTON COUNTIES...

At 915 PM EDT, radar indicated strong thunderstorms were located
along a line extending from White River Junction to near Reading.
Movement was east at 40 mph.

Wind gusts up to 50 mph and penny size hail are possible with these
storms.

Locations impacted include...
Claremont, Lebanon, Grafton, Hanover, Enfield, Canaan, Grantham,
Cornish, Croydon, Plainfield and Orange.

This includes Interstate 89 between mile markers 45 and 60.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4339 7240 4345 7239 4347 7239 4349 7238
      4352 7240 4354 7238 4357 7238 4360 7234
      4361 7234 4367 7231 4368 7190 4338 7237
      4338 7241
TIME...MOT...LOC 0115Z 269DEG 33KT 4366 7229 4346 7260
Local storm report, Jul 20, 9:40 PM EDT, 35 minutes before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Jul 20, 9:47 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Gray ME
947 PM EDT Tue Jul 20 2021

NHZ007>009-011-015-210230-
Merrimack-Belknap-Western And Central Hillsborough-Cheshire-Sullivan-
947 PM EDT Tue Jul 20 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SULLIVAN...NORTH
CENTRAL CHESHIRE AND NORTHWESTERN MERRIMACK COUNTIES...

At 947 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Ascutney to near Saxtons River.
Movement was east at 20 mph.

Wind gusts up to 50 mph and penny size hail are possible with these
storms.

Locations impacted include...
Claremont, Franklin, New London, Charlestown, Bradford, Danbury,
Newport, Alstead, Marlow, Walpole, Warner, Hillsborough, Grantham,
Andover, Cornish, Lempster, Hill, Acworth, Goshen and Croydon.

This includes Interstate 89 between mile markers 23 and 43.

This also includes...
  Mount Kearsage and Mount Sunapee.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4323 7243 4325 7244 4328 7241 4332 7240
      4334 7241 4336 7239 4336 7241 4338 7242
      4339 7240 4344 7240 4349 7235 4352 7163
      4311 7209 4310 7244 4312 7243 4315 7246
TIME...MOT...LOC 0147Z 270DEG 18KT 4343 7235 4315 7258
Local storm report, Jul 20, 9:51 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
951 PM EDT TUE JUL 20 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 PM     TSTM WND DMG     HANOVER                 43.70N 72.29W
07/20/2021                   GRAFTON            NH   LAW ENFORCEMENT

            MANY TREES DOWN IN TOWN. TIME ESTIMATED.

&&
Special weather statement, Jul 20, 10:15 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Gray ME
1015 PM EDT Tue Jul 20 2021

NHZ013-014-210300-
Coastal Rockingham-Interior Rockingham-
1015 PM EDT Tue Jul 20 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ROCKINGHAM
COUNTY...

At 1014 PM EDT, a strong thunderstorm was located near Brentwood, or
8 miles north of Salem, moving east at 35 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Derry, Hampton, Exeter, Salem, Brentwood, Seabrook, Hampstead,
Atkinson, Kingston, Chester, Danville, Fremont, East Kingston,
Hampton Falls, Kensington, Sandown, Plaistow, Newton, South Hampton
and North Hampton.

This includes Interstate 95 in New Hampshire between mile markers 0
and 6.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4281 7125 4299 7124 4296 7072 4285 7078
      4284 7081 4287 7082 4286 7085 4288 7088
      4289 7092 4287 7097 4286 7103 4285 7105
      4281 7107 4282 7113 4280 7118
TIME...MOT...LOC 0214Z 271DEG 30KT 4290 7114

Cempa

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 11:08 PM EDTSevere Thunderstorm WarningGYXYork28 min
Jul 20, 11:32 PM EDTSpecial Weather StatementGYXYork43 min
Jul 21, 12:12 AM EDTSpecial Weather StatementGYXYork48 min
Jul 21, 12:13 AM EDTSevere Thunderstorm WarningGYXYork30 min
Jul 21, 12:16 AM EDTSpecial Marine WarningGYX59 min
Jul 21, 3:29 PM EDTSpecial Weather StatementGYXKennebec61 min
Jul 21, 3:57 PM EDTSevere Thunderstorm WarningGYXKennebec, Lincoln, Somerset, Waldo28 min
Jul 21, 4:18 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Kennebec42 min
Jul 21, 5:01 PM EDTSpecial Weather StatementGYXLincoln29 min
Jul 21, 5:17 PM EDTSpecial Weather StatementGYXKennebec28 min
Jul 21, 5:26 PM EDTSevere Thunderstorm WarningGYXKnox, Lincoln, Waldo42 min
Jul 21, 5:47 PM EDTSpecial Weather StatementGYXKennebec28 min
Jul 21, 6:07 PM EDTSpecial Weather StatementGYXWaldo38 min
Jul 21, 6:12 PM EDTSpecial Marine WarningGYX63 min
Jul 21, 6:49 PM EDTSpecial Weather StatementGYXWaldo41 min
Jul 20, 8:55 PM EDTSpecial Weather StatementGYXGrafton50 min
Jul 20, 8:58 PM EDTSevere Thunderstorm WarningGYXGrafton47 min
Jul 20, 9:15 PM EDTSpecial Weather StatementGYXSullivan30 min
Jul 20, 9:24 PM EDTSevere Thunderstorm WarningGYXGrafton, Sullivan29 min
Jul 20, 9:35 PM EDTSevere Thunderstorm WarningGYXBelknap, Grafton, Merrimack, Sullivan40 min
Jul 20, 9:47 PM EDTSpecial Weather StatementGYXSullivan43 min
Jul 20, 10:10 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Grafton50 min
Jul 20, 10:14 PM EDTSevere Thunderstorm WarningGYXCheshire, Hillsborough, Merrimack, Sullivan46 min
Jul 20, 10:33 PM EDTSpecial Weather StatementGYXCheshire42 min
Jul 20, 10:36 PM EDTSevere Thunderstorm WarningGYXCheshire, Hillsborough39 min
Jul 20, 10:38 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll, Strafford41 min
Jul 20, 10:57 PM EDTSevere Thunderstorm WarningGYXBelknap, Cheshire, Hillsborough, Merrimack48 min
Jul 20, 11:10 PM EDTSpecial Weather StatementGYXRockingham35 min
Jul 20, 11:28 PM EDTSevere Thunderstorm WarningGYXHillsborough, Merrimack, Rockingham47 min
Jul 20, 11:42 PM EDTSpecial Weather StatementGYXRockingham48 min
Jul 20, 11:55 PM EDTSevere Thunderstorm WarningGYXRockingham25 min
Jul 21, 12:06 AM EDTSpecial Weather StatementGYXRockingham24 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; radar from the NEXRAD Level II archive.