Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 78, NWS Boston/Norton, MA

August 22, 1997Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 22, 1997, 6:18 PM EDT for Middlesex County, Massachusetts. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 22, 1997, 6:18 PM EDT (22:18 UTC)
Expired
Aug 22, 1997, 7:15 PM EDT
In force
57 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Middlesex County, MA

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 10.3 hours before the alert went out and 148 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, Chatham, MA at 12:00Z on 1997-08-22Temperature 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, Chatham, MA at 12:00Z on 1997-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
869 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-28 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 222220 RRA
SVRBOS
MAC017-222315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
618 PM EDT FRI AUG 22 1997
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MASSACHUSETTS
 
   ...SOUTHEASTERN MIDDLESEX COUNTY
 
AT 615 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM NEAR GREAT PLAIN AVENUE IN DEDHAM MOVING NORTHEAST AT 35
MPH.
 
THE STORM WILL MOVE THROUGH THE NEWTON...WATERTOWN...WALTHAM AREA BY
645 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.
 
DCY/DRAG

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, Aug 22, 3:52 PM EDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
352 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.
FIELD
Local storm report, Aug 22, 3:54 PM EDT, 2 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT...UPDATE FROM STORMS ON 8/20/97
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
352 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
    F       ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.
FIELD
Local storm report, Aug 22, 3:55 PM EDT, 2 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
352 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
H           ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.
FIELD
Local storm report, Aug 22, 5:59 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
559 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.

420 PM     PEMBROKE                  MA   WIND DMAGE
08/22/97   PLYMOUTH                       LOTS OF BROKEN TREE LIMBS
                                          AND SEVERAL TREES DOWN IN
                                          A 40 BY 50 SQUARE FOOT AREA
                                          ABOUT 200 FT INTO THE WOODS
                                          OFF LITTLES AVE. TIME OF
                                          EVENT APPROXIMATE.

DRAG
Local storm report, Aug 22, 5:59 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
559 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.

420 PL     PEMBROKE                  MA   WIND DAMAGE
08/22/97   PLYMOUTH                       LOTS OF BROKEN TREE LIMBS
                                          AND SEVERAL TREES DOWN IN
                                          A 40 BY 50 SQUARE FOOT AREA
                                          ABOUT 200 FT INTO THE WOODS
                                          OFF LITTLES AVE. TIME OF
                                          EVENT APPROXIMATE.

615 PM     WEST ROXBURY              MA   .75 INCH HAIL
08/22/97   SUFFOLK                             PENNY SIZED HAIL
                                               PER SKYWARN SPOTTER.

DRAG
Local storm report, Aug 22, 6:01 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
559 PM EDT FRI AUG 22 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

334 PM     WEYMOUTH                  MA   .75 INCH HAIL
08/22/97   NORFOLK                        PENNY SIZED HAIL
                                          PER SKYWARN SPOTTER.

420 PM     PEMBROKE                  MA   WIND D`MAGE
08/22/97   PLYMOUTH                       LOTS OF BROKEN TREE LIMBS
                                          AND SEVERAL TREES DOWN IN
                                          A 40 BY 50 SQUARE FOOT AREA
                                          ABOUT 200 FT TINTO THE WOODS
                                          OFF LITTLES AVE. TIME OF
                                          EVENT APPROXIMATE.

DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 3:12 PM EDTSevere Thunderstorm WarningBOXNorfolk33 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1997Every severe thunderstorm warning in 1997

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.