Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Gray, ME

June 7, 2016Belknap County, Merrimack County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jun 7, 2016, 6:59 PM EDT for Belknap County, Merrimack County, New Hampshire. It was in force for 46 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
Jun 7, 2016, 6:59 PM EDT (22:59 UTC)
Expired
Jun 7, 2016, 7:45 PM EDT
In force
46 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Belknap County, NH, Merrimack County, NH

The radar

The Portland,ME radar (KGYX), 127 km from the middle of the area, began a volume at 23:01 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

Gray, ME (KGYX), launched 12:00Z, 11.0 hours before the alert went out and 126 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-pSkew-T log-p diagram, Gray, ME at 12:00Z on 2016-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2016-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1903 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

300 
WUUS51 KGYX 072259
SVRGYX
NHC001-013-072345-
/O.NEW.KGYX.SV.W.0021.160607T2259Z-160607T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAY ME
659 PM EDT TUE JUN 7 2016

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BELKNAP COUNTY IN CENTRAL NEW HAMPSHIRE...
  NORTHEASTERN MERRIMACK COUNTY IN CENTRAL NEW HAMPSHIRE...

* UNTIL 745 PM EDT

* AT 658 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FRANKLIN...
  MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  LACONIA...FRANKLIN...MEREDITH...LOUDON...GILMANTON...CANTERBURY...WARNER...
  BELMONT...BOSCAWEN...ANDOVER...SALISBURY...SANBORNTON...NORTHFIELD...
  TILTON...WEBSTER AND WILMOT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4333 7183 4344 7189 4359 7150 4338 7138
TIME...MOT...LOC 2258Z 251DEG 19KT 4341 7178 

HAIL...1.00IN
WIND...60MPH
 
$$
MLE
3 follow-up statements
281 
WWUS51 KGYX 072315
SVSGYX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
715 PM EDT TUE JUN 7 2016

NHC001-013-072345-
/O.CON.KGYX.SV.W.0021.000000T0000Z-160607T2345Z/
BELKNAP NH-MERRIMACK NH-
715 PM EDT TUE JUN 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN BELKNAP AND NORTHEASTERN MERRIMACK COUNTIES...

AT 715 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FRANKLIN...
MOVING EAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LACONIA...FRANKLIN...MEREDITH...LOUDON...GILMANTON...CANTERBURY...BELMONT...
BOSCAWEN...ANDOVER...TILTON...SANBORNTON...NORTHFIELD AND SALISBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4336 7170 4347 7174 4359 7150 4338 7138
TIME...MOT...LOC 2315Z 251DEG 19KT 4344 7166 

HAIL...1.00IN
WIND...60MPH
 
$$
802 
WWUS51 KGYX 072326
SVSGYX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
726 PM EDT TUE JUN 7 2016

NHC001-013-072345-
/O.CON.KGYX.SV.W.0021.000000T0000Z-160607T2345Z/
BELKNAP NH-MERRIMACK NH-
726 PM EDT TUE JUN 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR WEST CENTRAL BELKNAP AND NORTHEASTERN MERRIMACK COUNTIES...

AT 726 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LACONIA...MOVING
NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LACONIA...FRANKLIN...MEREDITH...BELMONT...TILTON...SANBORNTON AND
NORTHFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4341 7158 4349 7167 4359 7150 4345 7144
TIME...MOT...LOC 2326Z 244DEG 24KT 4349 7155 

HAIL...1.00IN
WIND...60MPH
 
$$
629 
WWUS51 KGYX 072345
SVSGYX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
745 PM EDT TUE JUN 7 2016

NHC001-013-072355-
/O.EXP.KGYX.SV.W.0021.000000T0000Z-160607T2345Z/
BELKNAP NH-MERRIMACK NH-
745 PM EDT TUE JUN 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BELKNAP AND
NORTHEASTERN MERRIMACK COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4341 7158 4349 7167 4359 7150 4345 7144
TIME...MOT...LOC 2342Z 251DEG 19KT 4349 7155 

$$

HANES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 2:57 PM EDTSpecial Weather StatementGYXBelknap33 min
Jun 7, 3:02 PM EDTSevere Thunderstorm WarningGYXCarroll, Strafford28 min
Jun 7, 5:01 PM EDTCoastal Flood StatementGYXRockingham9 hr
Jun 7, 5:56 PM EDTSpecial Weather StatementGYXGrafton49 min
Jun 7, 6:11 PM EDTSpecial Weather StatementGYXBelknap49 min
Jun 7, 6:17 PM EDTSpecial Weather StatementGYXCheshire43 min
Jun 7, 6:37 PM EDTSevere Thunderstorm WarningGYXBelknap, Carroll38 min
Jun 7, 7:56 PM EDTSpecial Weather StatementGYXBelknap49 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2016Every severe thunderstorm warning 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.