Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 35, NWS Boston/Norton, MA

June 20, 1995Hampden County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 20, 1995, 3:13 PM EDT for Hampden County, Massachusetts. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jun 20, 1995, 3:13 PM EDT (19:13 UTC)
Expired
Jun 20, 1995, 4:00 PM EDT
In force
47 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Hampden County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.2 hours before the alert went out and 116 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 1995-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1301 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 1995-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
1301 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
16 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 
TTAA00 KBOS 201914 RRA
SVRBOS
MAC013-202000-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
313 PM EDT TUE JUN 20 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST MASSACHUSETTS
 
   ...CENTRAL HAMPDEN COUNTY
 
AT 310 PM...DOPPLER WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN
NORTHAMPTON. THIS STORM WILL MOVE INTO THE SPRINGFIELD AREA AROUND 400
PM. ANOTHER STORM THAT PRODUCED NICKEL SIZE HAIL IS CURRENTLY IN THE
SPRINGFIELD AREA.
 
THESE ARE DANGEROUS STORMS.  IF YOU ARE IN THEIR PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...FLARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
JL
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 3:03 PM EDTSevere Thunderstorm WarningBOXHampshire27 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.