Alert archive / New Hampshire / Special Weather Statements in 2016

Special Weather Statement, NWS Gray, ME

August 13, 2016Cheshire County, New Hampshire

NWS Gray, ME issued this special weather statement at Aug 13, 2016, 4:02 PM EDT for Cheshire County, New Hampshire. It was in force for 43 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 13, 2016, 4:02 PM EDT (20:02 UTC)
Expired: Aug 13, 2016, 4:45 PM EDT
In force: 43 min
Issued by: NWS Gray, ME

County Cheshire County, NH

The radar

The Albany radar (KENX), 137 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 116 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: 356 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 100 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 13, 3:39 PM EDT, 23 minutes earlier.

Area forecast discussion, Aug 13, 3:39 PM EDT, 23 minutes before

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Hazardous weather outlook, Aug 13, 3:50 PM EDT, 12 minutes before

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In the hours before

Local storm report, Aug 13, 3:25 PM EDT, 37 minutes before

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Local storm report, Aug 13, 3:32 PM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
332 PM EDT SAT AUG 13 2016

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

0324 PM     HAIL             KEENE                   42.95N  72.30W
08/13/2016  M1.00 INCH       CHESHIRE           NH   SOCIAL MEDIA

&&

EVENT NUMBER GYX1602266

CEMPA

Local storm report, Aug 13, 3:51 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
351 PM EDT SAT AUG 13 2016

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

0340 PM     HAIL             1 N SWANZEY             42.89N  72.28W
08/13/2016  M1.25 INCH       CHESHIRE           NH   AMATEUR RADIO

&&

EVENT NUMBER GYX1602267

CEMPA

Local storm report, Aug 13, 3:53 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
353 PM EDT SAT AUG 13 2016

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

0340 PM     HAIL             3 N SWANZEY             42.91N  72.28W
08/13/2016  M1.50 INCH       CHESHIRE           NH   BROADCAST MEDIA

&&

EVENT NUMBER GYX1602268

CEMPA

Local storm report, Aug 13, 4:01 PM EDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAY ME
401 PM EDT SAT AUG 13 2016

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

0330 PM     HAIL             KEENE                   42.95N  72.30W
08/13/2016  M1.75 INCH       CHESHIRE           NH   LAW ENFORCEMENT

&&

EVENT NUMBER GYX1602269

CEMPA

Special weather statement, Aug 13, 4:02 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
402 PM EDT SAT AUG 13 2016

NHZ011-015-132045-
CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
402 PM EDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* SPECIAL WEATHER STATEMENT FOR...
  CHESHIRE COUNTY IN NEW HAMPSHIRE
  WESTERN AND CENTRAL HILLSBOROUGH COUNTY IN NEW HAMPSHIRE

* UNTIL 445 PM EDT

* AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM NEAR CHESTERFIELD...MOVING TO THE EAST AT 20
  MPH.

* WIND GUSTS OF 35 TO 45 MPH ARE EXPECTED WITH THIS STORM. VERY HEAVY
  RAIN IS FALLING...AND WILL CAUSE WATER TO POND ON ROADWAYS AND
  QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

* LOCATIONS IMPACTED INCLUDE...
  JAFFREY...
  DUBLIN...
  FITZWILLIAM...
  CHESTERFIELD...
  AND TROY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PROLONGED HEAVY RAINFALL MAY CAUSE WATER TO FLOW OVER THE ROADWAY. DO
NOT DRIVE YOUR VEHICLE WHERE THE ROAD HAS BECOME FLOODED.

&&

LAT...LON 4288 7255 4290 7253 4295 7253 4301 7201
      4277 7198 4279 7252 4281 7254 4284 7255
      4285 7256
TIME...MOT...LOC 1959Z 264DEG 17KT 4285 7242

LEGRO

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 1:24 PM EDT	Special Weather Statement	GYX	Sullivan	36 min
Aug 13, 1:58 PM EDT	Special Weather Statement	GYX	Sullivan	32 min
Aug 13, 2:50 PM EDT	Special Weather Statement	GYX	Cheshire	25 min
Aug 13, 3:08 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire	53 min
Aug 13, 3:31 PM EDT	Areal Flood Advisory	GYX	Cheshire	119 min
Aug 13, 4:29 PM EDT	Areal Flood Advisory	GYX	Cheshire	61 min
Aug 13, 4:41 PM EDT	Special Weather Statement	GYX	Sullivan	34 min
Aug 13, 5:14 PM EDT	Flash Flood Warning	GYX	Cheshire	3 hr
Aug 13, 6:14 PM EDT	Special Weather Statement	GYX	Cheshire	31 min
Aug 13, 7:18 PM EDT	Flash Flood Watch	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	8 hr
Aug 13, 7:23 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough	52 min
Aug 13, 7:49 PM EDT	Flash Flood Warning	GYX	Cheshire, Hillsborough, Sullivan	6 hr

Nearby

Special Weather Statements in New Hampshire, 2016 Every special weather statement in 2016

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.