Alert archive / New Hampshire / Special Weather Statements in 2018

Special Weather Statement, NWS Gray, ME

August 3, 2018Cheshire County, New Hampshire

NWS Gray, ME issued this special weather statement at Aug 3, 2018, 10:48 AM EDT for Cheshire County, New Hampshire. It was in force for 57 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 3, 2018, 10:48 AM EDT (14:48 UTC)
Expired: Aug 3, 2018, 11:45 AM EDT
In force: 57 min
Issued by: NWS Gray, ME

County Cheshire County, NH

The radar

The Boston radar (KBOX), 150 km from the middle of the area, began a volume at 14:51 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, 2.8 hours before the alert went out and 129 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 98 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 716 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

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.

NWS Gray, ME wrote its last area forecast discussion before this special weather statement went out at Aug 3, 9:04 AM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 3, 9:04 AM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, Aug 3, 9:09 AM EDT, 1 hour 39 minutes before

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In the hours before

Special weather statement, Aug 3, 10:48 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Gray ME
1048 AM EDT FRI AUG 3 2018

NHZ011-031545-
Cheshire-
1048 AM EDT FRI AUG 3 2018

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

At 1048 AM EDT, a strong thunderstorm was located near Newfane, or
near Brattleboro, moving east at 30 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Keene, Winchester, Dublin, Harrisville, Nelson, Gilsum, Marlow,
Roxbury, Sullivan, Alstead, Westmoreland, Swanzey, Surry,
Chesterfield, Walpole, Marlborough, Hinsdale and East Putney Station.

Torrential rainfall is also occurring with this storm, and may cause
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.

LAT...LON 4292 7252 4295 7253 4297 7248 4300 7246
      4300 7244 4305 7247 4308 7243 4317 7216
      4313 7218 4313 7205 4310 7204 4302 7206
      4294 7206 4294 7201 4293 7200 4283 7255
      4287 7256
TIME...MOT...LOC 1448Z 251DEG 26KT 4293 7262

mle

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 8:56 AM EDT	Heat Advisory	GYX	York	10 hr
Aug 3, 2:12 PM EDT	Special Weather Statement	GYX	York	48 min
Aug 3, 2:50 PM EDT	Flash Flood Watch	GYX	Franklin, Oxford, Somerset	23 hr
Aug 3, 4:07 PM EDT	Severe Thunderstorm Warning	GYX	York	38 min
Aug 3, 4:40 PM EDT	Special Weather Statement	GYX	Sagadahoc	35 min
Aug 3, 5:24 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	66 min
Aug 3, 5:40 PM EDT	Flash Flood Warning	GYX	York	118 min
Aug 3, 5:44 PM EDT	Special Weather Statement	GYX	Cumberland	31 min
Aug 3, 5:48 PM EDT	Areal Flood Advisory	GYX	Cumberland, York	3 hr
Aug 3, 5:48 PM EDT	Severe Thunderstorm Warning	GYX	York	42 min
Aug 3, 5:59 PM EDT	Flash Flood Warning	GYX	Cumberland, York	2 hr
Aug 3, 6:09 PM EDT	Special Marine Warning	GYX		66 min
Aug 3, 11:44 AM EDT	Special Weather Statement	GYX	Hillsborough	46 min
Aug 3, 1:01 PM EDT	Special Weather Statement	GYX	Rockingham	44 min
Aug 3, 1:34 PM EDT	Special Weather Statement	GYX	Strafford	41 min
Aug 3, 1:41 PM EDT	Severe Thunderstorm Warning	GYX	Rockingham, Strafford	32 min
Aug 3, 3:01 PM EDT	Special Weather Statement	GYX	Cheshire, Sullivan	44 min
Aug 3, 3:15 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Merrimack, Sullivan	45 min
Aug 3, 3:20 PM EDT	Tornado Warning	GYX	Cheshire	40 min
Aug 3, 3:25 PM EDT	Flash Flood Warning	GYX	Cheshire, Grafton, Hillsborough, Merrimack, Sullivan	4 hr
Aug 3, 3:37 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Merrimack	38 min
Aug 3, 3:47 PM EDT	Tornado Warning	GYX	Merrimack	28 min
Aug 3, 3:57 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire	48 min
Aug 3, 4:00 PM EDT	Special Weather Statement	GYX	Rockingham	30 min
Aug 3, 4:08 PM EDT	Flash Flood Warning	GYX	Belknap, Merrimack	3 hr
Aug 3, 4:13 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Merrimack	47 min
Aug 3, 4:22 PM EDT	Areal Flood Advisory	GYX	Hillsborough, Merrimack, Rockingham, Strafford	113 min
Aug 3, 4:31 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Merrimack, Rockingham, Strafford	20 min
Aug 3, 4:43 PM EDT	Special Weather Statement	GYX	Cheshire	47 min
Aug 3, 4:49 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Merrimack, Rockingham, Strafford	41 min
Aug 3, 5:12 PM EDT	Severe Thunderstorm Warning	GYX	Hillsborough, Merrimack, Rockingham	43 min
Aug 3, 5:26 PM EDT	Tornado Warning	GYX	Rockingham, Strafford	34 min
Aug 3, 5:36 PM EDT	Flash Flood Warning	GYX	Hillsborough, Merrimack, Rockingham	3 hr
Aug 3, 6:28 PM EDT	Areal Flood Advisory	GYX	Cheshire, Hillsborough	3 hr
Aug 3, 7:17 PM EDT	Special Weather Statement	GYX	Rockingham	28 min

Nearby

Special Weather Statements in New Hampshire, 2018 Every special weather statement in 2018

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.