Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 24, NWS Boston/Norton, MA

June 13, 1996Hampden County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 13, 1996, 7:28 PM EDT for Hampden County, Worcester County, Massachusetts. It was in force for 47 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, 7:28 PM EDT (23:28 UTC)
Expired
Jun 13, 1996, 8:15 PM EDT
In force
47 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Hampden County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 99 km from the middle of the area, began a volume at 23:31 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, 7:40 PM EDTThunderstorm Wind 50West Brookfield, MA

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, 11.5 hours before the alert went out and 137 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 132329
SVRBOS
MAC027-013-140015-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
728 PM EDT THU JUN 13 1996
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MASSACHUSETTS
 
   ...WESTERN WORCESTER COUNTY
 
IN WEST MASSACHUSETTS
 
   ...EASTERN HAMPDEN COUNTY
 
AT 725 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS A LINE OF
SEVERE THUNDERSTORMS JUST EAST OF THE CONNECTICUT RIVER. THESE STORMS
WILL MOVE EAST INTO WESTERN WORCESTER COUNTY BY 800 PM. DAMAGING WINDS
ARE LIKELY AS THIS LINE OF STORMS MOVES THROUGH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
DRV/WGH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:43 PM EDTFlash Flood WarningBOXFranklin, Hampshire3 hr
Jun 13, 4:26 PM EDTSevere Thunderstorm WarningBOXFranklin64 min
Jun 13, 5:25 PM EDTSevere Thunderstorm WarningBOXFranklin65 min
Jun 13, 5:31 PM EDTFlash Flood WarningBOXFranklin4 hr
Jun 13, 6:21 PM EDTSevere Thunderstorm WarningBOXHampshire54 min
Jun 13, 6:30 PM EDTFlash Flood WarningBOXHampshire3 hr
Jun 13, 7:19 PM EDTSevere Thunderstorm WarningBOXHampshire41 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 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.