Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 80, NWS Boston/Norton, MA

August 4, 1995Hampden County, Hampshire County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 4, 1995, 3:20 PM EDT for Hampden County, Hampshire County, Worcester County, Massachusetts. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1995, 3:20 PM EDT (19:20 UTC)
Expired
Aug 4, 1995, 4:00 PM EDT
In force
40 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Hampden County, MA, Hampshire County, MA, Worcester County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.3 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, Albany, NY at 12:00Z on 1995-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 770 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 1995-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
770 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KBOS 041920 RRA
SVRBOS
MAC027-013-015-042000-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
320 PM EDT FRI AUG 4 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MASSACHUSETTS
 
   ...SOUTHERN WORCESTER COUNTY
 
IN WEST MASSACHUSETTS
 
   ...EASTERN HAMPDEN COUNTY...EASTERN HAMPSHIRE COUNTY
 
AT 320 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN
HAMPSHIRE COUNTY. THIS STORM WILL LIKELY AFFECT
WARE...LUDLOW...PALMER...AND BRIMFIELD.
 
 
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.
 
THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 3:24 PM EDTSevere Thunderstorm WarningBOXFranklin51 min
Aug 4, 3:59 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire31 min
Aug 4, 4:03 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire42 min
Aug 4, 4:30 PM EDTSevere Thunderstorm WarningBOXHampden45 min
Aug 4, 4:46 PM EDTSevere Thunderstorm WarningBOXWorcester44 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1995Every severe thunderstorm warning in 1995

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.