Alert archive / New Hampshire / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 20, NWS Boston/Norton, MA

June 13, 1996Cheshire County, New Hampshire

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 1996, 5:12 PM EDT for Cheshire County, New Hampshire. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 13, 1996, 5:12 PM EDT (21:12 UTC)
Expired
Jun 13, 1996, 6:00 PM EDT
In force
48 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Cheshire County, NH

The radar

The Boston radar (KBOX), 141 km from the middle of the area, began a volume at 21:16 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.

What was reported inside it

TimeReportWhereRemark
Jun 13, 5:15 PM EDTThunderstorm Wind 50Marlborough, NH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 9.2 hours before the alert went out and 131 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 1996-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1996-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
767 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBOS 132113
SVRBOS
NHC005-132200-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
512 PM EDT THU JUN 13 1996
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NEW HAMPSHIRE
 
   ...CHESHIRE COUNTY
 
AT 510 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE
THUNDERSTORM IN NORTHEASTERN FRANKLIN COUNTY IN MASSACHUSETTS MOVING
NORTHEAST INTO CHESHIRE COUNTY NEAR RICHMOND. THIS STORM HAS HAD A
HISTORY OF PRODUCING HAIL AND DOWNING TREES.
 
IF THREATENING WEATHER APPROACHES...GO TO A SAFE PLACE IMMEDIATELY.
IF SEVERE WEATHER OCCURS..&.ASK YOUR NEAREST LAW ENFORCEMENT AGENCY TO
RELAY YOUR SEVERE WEATHER REPORT TO THE NATIONAL WEATHER SERVICE.
 
 
DRV/WGH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 4:20 PM EDTSevere Thunderstorm WarningBOXCheshire55 min
Jun 13, 4:42 PM EDTSevere Thunderstorm WarningBOXHillsborough63 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 1996Every severe thunderstorm warning in 1996

Sources

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