Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 8, NWS Boston/Norton, MA

April 4, 1995Middlesex County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Apr 4, 1995, 3:05 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 70 min.

The area

The counties it named.

The facts

Issued: Apr 4, 1995, 3:05 PM EDT (19:05 UTC)
Expired: Apr 4, 1995, 4:15 PM EDT
In force: 70 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

Counties Middlesex County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 67 km from the middle of the area, began a volume at 19:06 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

Chatham, MA (KCHH), launched 12:00Z, 7.1 hours before the alert went out and 162 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 716 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 340 m²/s²
0-3 km storm-relative helicity: 401 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 041906 RRA
SVRBOS
MAC017-027-042015-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
305 PM EDT TUE APR 4 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MASSACHUSETTS
 
   ...MIDDLESEX COUNTY
 
IN CENTRAL MASSACHUSETTS
 
   ...NORTHERN WORCESTER COUNTY
 
SEVERE THUNDERSTORMS WERE MOVING ACROSS SOUTHERN WORCESTER COUNTY. THEY
WILL MOVE ACROSS NORTHERN WORCESTER COUNTY AND MIDDLESEX COUNTY THROUGH
345 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR Y4OUR 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.
 
 
HANLEY/VALLEE

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 4, 2:21 PM EDT, 44 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
220 PM EDT TUE APR 4 1995

A WEATHER SERVICE SPOTTER IN SOUTHINGTON CT REPORTED WIND GUSTS TO
56 MPH WITH CONSIDERABLE WIND DAMAGE AT 210 PM.

&
`
VALLIER-TALBOT

Local storm report, Apr 4, 2:24 PM EDT, 41 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
321 PM EDT TUE APR 4 1995

AT ABOUT 314 PM...THE NATIONAL WEATHER SERVICE AT WORCESTER REPORTED A
WIND GUST TO 64 MPH.

&
DRAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 2:06 PM EDT	Severe Thunderstorm Warning	BOX	Hampden, Hampshire	69 min
Apr 4, 2:06 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	69 min
Apr 4, 2:46 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	59 min
Apr 4, 3:25 PM EDT	Severe Thunderstorm Warning	BOX	Norfolk	65 min
Apr 4, 3:29 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	61 min
Apr 4, 3:45 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Suffolk	60 min
Apr 4, 3:50 PM EDT	Severe Thunderstorm Warning	BOX	Worcester	25 min
Apr 4, 3:53 PM EDT	Severe Thunderstorm Warning	BOX	Plymouth	67 min
Apr 4, 4:17 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex	28 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1995 Every 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.