Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 81, NWS Boston/Norton, MA

August 4, 1995Franklin County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 4, 1995, 3:24 PM EDT for Franklin County, Massachusetts. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1995, 3:24 PM EDT (19:24 UTC)
Expired
Aug 4, 1995, 4:15 PM EDT
In force
51 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Franklin County, MA

The radar

The Albany radar (KENX), 121 km from the middle of the area, began a volume at 19:28 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.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.4 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 1995-08-04Temperature 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 
TTAA00 KBOS 041924 RRA
SVRBOS
MAC011-042015-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
324 PM EDT FRI AUG 4 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST MASSACHUSETTS
 
   ...NORTHERN FRANKLIN COUNTY
 
AT 324 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM THAT WAS MOVING
ACROSS NORTHERN FRANKLIN. THIS STORM WILL LIKELY AFFECT THE
MONROE...ROWE...HEATH...AND COLRAIN AREAS BETWEEN 330 AND 4 PM.
 
 
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
Aug 4, 3:20 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire, Worcester40 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; radar from the NEXRAD Level II archive.