Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 4, NWS Boston/Norton, MA

April 4, 1995Franklin County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Apr 4, 1995, 2:06 PM EDT for Franklin County, Massachusetts. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1995, 2:06 PM EDT (18:06 UTC)
Expired
Apr 4, 1995, 3:15 PM EDT
In force
69 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Franklin County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 6.1 hours before the alert went out and 102 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 1995-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
176 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 041805 RRA
SVRBOS
MAC011-013-015-041915-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
206 PM EDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST MASSACHUSETTS
 
   ...FRANKLIN COUNTY...HAMPDEN COUNTY...HAMPSHIRE COUNTY
 
AT 200 PM WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS IN
BERKSHIRE COUNTY. THEY WILL MOVE ACROSS THESE COUNTIES BY 300PM. THESE
STORMS HAVE HAD A HISTORY OF DOWNING TREES AND POWER LINES.
 
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 2:06 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire69 min
Apr 4, 2:46 PM EDTSevere Thunderstorm WarningBOXWorcester59 min
Apr 4, 3:05 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester70 min
Apr 4, 3:25 PM EDTSevere Thunderstorm WarningBOXNorfolk65 min
Apr 4, 3:29 PM EDTSevere Thunderstorm WarningBOXBristol61 min
Apr 4, 3:45 PM EDTSevere Thunderstorm WarningBOXEssex, Suffolk60 min
Apr 4, 3:50 PM EDTSevere Thunderstorm WarningBOXWorcester25 min
Apr 4, 3:53 PM EDTSevere Thunderstorm WarningBOXPlymouth67 min
Apr 4, 4:17 PM EDTSevere Thunderstorm WarningBOXMiddlesex28 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.