Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 64, NWS Boston/Norton, MA

July 23, 2014Cheshire County, New Hampshire

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 23, 2014, 7:00 PM EDT for Cheshire County, New Hampshire. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 23, 2014, 7:00 PM EDT (23:00 UTC)
Expired
Jul 23, 2014, 8:00 PM EDT
In force
60 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Cheshire County, NH

The radar

The Albany radar (KENX), 144 km from the middle of the area, began a volume at 23:00 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.

What was reported inside it

TimeReportWhereRemark
Jul 23, 7:35 PM EDTTSTM WND DMGKeene, NHTREE AND WIRES DOWN ON DOVER STREET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 23, 2:17 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.0 hours before the alert went out and 123 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, Albany, NY at 12:00Z on 2014-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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, Albany, NY at 12:00Z on 2014-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939Sfc1 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
160 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
885 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

379 
WUUS51 KBOX 232300
SVRBOX
NHC005-240000-
/O.NEW.KBOX.SV.W.0064.140723T2300Z-140724T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
700 PM EDT WED JUL 23 2014

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHESHIRE COUNTY IN SOUTHERN NEW HAMPSHIRE...

* UNTIL 800 PM EDT

* AT 659 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED NEAR PUTNEY...OR NEAR BRATTLEBORO...AND WAS MOVING EAST
  AT 35 MPH.

* SOME LOCATIONS IMPACTED INCLUDE...
  KEENE...JAFFREY...SWANZEY...RINDGE...WINCHESTER...HINSDALE...
  WALPOLE...CHESTERFIELD...MARLBOROUGH...FITZWILLIAM...TROY...
  ALSTEAD...WESTMORELAND...DUBLIN...STODDARD...RICHMOND...
  HARRISVILLE...GILSUM...MARLOW AND SURRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO
INDOORS AND STAY AWAY FROM WINDOWS.  DRIVERS SHOULD PREPARE FOR LOW
VISIBILITY AND AVOID FLOODED ROADS.

MINOR FLOODING CAN BE EXPECTED FROM TORRENTIAL RAINFALL. DO NOT DRIVE
THROUGH FLOODED ROADS.

&&

LAT...LON 4313 7218 4313 7208 4272 7208 4273 7246
      4277 7249 4277 7252 4281 7254 4288 7256
      4292 7252 4295 7254 4300 7245 4305 7247
      4308 7244 4316 7245 4313 7243 4313 7237
      4316 7237 4318 7216
TIME...MOT...LOC 2259Z 253DEG 33KT 4294 7259 
$$

FRANK
2 follow-up statements
722 
WWUS51 KBOX 232332
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
732 PM EDT WED JUL 23 2014

NHC005-240000-
/O.CON.KBOX.SV.W.0064.000000T0000Z-140724T0000Z/
CHESHIRE NH-
732 PM EDT WED JUL 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CHESHIRE COUNTY...

AT 732 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER SULLIVAN...OR 7 MILES NORTHEAST OF KEENE...MOVING EAST
AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
KEENE...JAFFREY...SWANZEY...RINDGE...WINCHESTER...HINSDALE...
WALPOLE...CHESTERFIELD...MARLBOROUGH...FITZWILLIAM...TROY...
ALSTEAD...WESTMORELAND...DUBLIN...STODDARD...RICHMOND...
HARRISVILLE...GILSUM...MARLOW AND SURRY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.

&&

LAT...LON 4313 7218 4313 7208 4272 7208 4273 7246
      4277 7249 4277 7252 4281 7254 4288 7256
      4292 7252 4295 7254 4300 7245 4304 7240
      4307 7238 4308 7235 4309 7230 4313 7228
      4316 7237 4318 7216
TIME...MOT...LOC 2332Z 253DEG 33KT 4303 7219 

$$

FRANK
169 
WWUS51 KBOX 232342
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
742 PM EDT WED JUL 23 2014

NHC005-240000-
/O.CON.KBOX.SV.W.0064.000000T0000Z-140724T0000Z/
CHESHIRE NH-
742 PM EDT WED JUL 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CHESHIRE COUNTY...

AT 742 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER STODDARD...OR 14 MILES NORTHEAST OF KEENE...MOVING EAST
AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
KEENE...JAFFREY...SWANZEY...RINDGE...WINCHESTER...HINSDALE...
CHESTERFIELD...MARLBOROUGH...FITZWILLIAM...TROY...WESTMORELAND...
DUBLIN...STODDARD...RICHMOND...HARRISVILLE...GILSUM...MARLOW...
SURRY...NELSON AND SULLIVAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND DESTRUCTIVE HAIL. GO
INSIDE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. DRIVERS SHOULD EXPECT POOR VISIBILITY AND AVOID FLOODED
ROADS.

&&

LAT...LON 4309 7218 4313 7208 4272 7208 4273 7246
      4277 7249 4277 7252 4281 7254 4289 7248
      4290 7248 4292 7243 4298 7238 4303 7231
      4304 7230 4306 7225 4308 7225 4310 7223
      4310 7219
TIME...MOT...LOC 2342Z 253DEG 33KT 4306 7207 

$$

FRANK

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 6:37 PM EDTSpecial Weather StatementBOXCheshire53 min
Jul 23, 7:55 PM EDTSevere Thunderstorm WarningBOXCheshire, Hillsborough36 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.