Alert archive / Massachusetts / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 13, NWS Boston/Norton, MA

July 10, 1989Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1989, 3:30 PM EDT for Worcester County, Massachusetts. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jul 10, 1989, 3:30 PM EDT (19:30 UTC)
Expired: Jul 10, 1989, 4:30 PM EDT
In force: 60 min
Issued by: NWS Boston/Norton, MA
Area: Whole counties

County Worcester County, MA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.5 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: 111 J/kg
Mixed-layer CIN: -212 J/kg
Mixed-layer LCL: 1032 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KORH 101921
SVRORH
MAC027-102030-

BULLETIN-IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WORCESTER MA
330 PM EDT MON JUL 10 1989 EXPIRES 430 PM EDT

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM EDT FOR THE FOLLOWING COUNTY IN

MASSACHUSETTS...NORTHERN WORCESTER

A LINE OF SEVERE THUNDERSTORMS IS MOVING INTO NORTHERN PORTIONS
OF WORCESTER COUNTY.  THE LINE WAS MOVING TO THE EAST SOUTHEAST IN
EXCESS OF 40 MPH.

IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. TO
REPORT SEVERE WEATHER..PLEASE ASK YOUR LOCAL LAW ENFORCEMENT AGENCY
TO RELAY YOUR REPORT TO THE NEAREST NATIONAL WEATHER SE)RVICE OFFICE.
$$
HOLMES

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, Jul 10, 12:38 PM EDT, 2 hours 52 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE WINDSOR LOCKS, CT
1225 PM EDT MON JUL 10 1989

TIME                     EVENT
 1046 AM EDT             34 MILES NORTH OF BDL. WESTOVER AFB, MA. 30 KT
                         WIND AND PEA-SIZE HAIL.
1130 AM EDT              10 MILES NORTH OF BDL. CHICOPEE ,MA. 3/4 INCH
                         HAIL, WIND GUSTS TO 50 MPH.
1140 AM EDT              35 MILES NORTH OF BDL. HAMPTON, MA. GOLFBALL
                         SIZE HAIL IN THE CHESTNUT HILLS AREA.

Special weather statement, Jul 10, 12:44 PM EDT, 2 hours 46 minutes before

^BOSSPSPVD

SPECIAL WEATHER STATEMENT FOR RHODE ISLAND
NATIONAL WEATHER SERVICE PROVIDENCE RI
1245 PM EDT MON JUL 10 1989

...STRONG THUNDERSTORM ENTERING WEST CENTRAL RHODE ISLAND...

AT 1240 PM CHATHAM WEATHER RADAR SHOWED A HEAVY THUNDERSTORM IN
WEST CENTRAL RHODE ISLAND NEAR COVENTRY AND FOSTER.  THE STORM WAS
MOVING SOUTHEAST AT 40 MPH.

THIS STORM COULD CONTAIN STRONG GUSTY WINDS...HEAVY DOWNPOURS...
VIVID DANGEROUS LIGHTNING AND EVEN SOME HAIL.  IF THREATENING WEATHER
APPROACHES YOUR AREA FROM THE NORTHWEST...SEEK SAFE SHELTER AS SOON
AS POSSIBLE.  IF YOU HAVE DAMAGING WINDS OR HAIL...PLEASE REPORT
THEM TO YOUR NEAREST CIVIL DEFENSE AGENCY OR POLICE DEPARTMENT SO
THEY CAN RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE.

VALLIER

Local storm report, Jul 10, 12:46 PM EDT, 2 hours 44 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WORCESTER MA
745 PM EDT FRI JULY 7 1989

TIME(EDT) LOCATION            REPORT

1100 AM    NORTHFIELD MA       WIND GUSTS EST 50 KTS PLUS AND
          (FRANKLIN CTY)       MARBLE SIZE HAIL

END/TPM

Local storm report, Jul 10, 12:48 PM EDT, 2 hours 42 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WORCESTER MA
1248 PM EDT MON JULY 10 1989

TIME(EDT)  LOCATION            REPORT

1100 AM    NORTHFIELD MA       WIND GUSTS EST 50 KTS PLUS AND
          (FRANKLIN CTY)       MARBLE SIZE HAIL

END/TPM

Special weather statement, Jul 10, 2:03 PM EDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS
NATIONAL WEATHER SERVICE BOSTON MA
200 PM EDT MON JUL 10 1989

...SEVERE THUNDERSTORM WATCH FOR MUCH OF MASSACHUSETTS UNTIL 800 PM
THIS EVENING...

SEVERE THUNDERSTORM WATCH NUMBER 593 HAS BEEN ISSUED FOR ALL OF
MASSACHUSETTS...EXCEPT THE SOUTHEAST PORTION...EFFECTIVE UNTIL 800 PM
EDT.

A LINE OF THUNDERSTORMS EXTENDING FROM SOUTHERN MAINE TO NORTH OF
ALBANY NEW YORK...IS MOVING SOUTHWARD AROUND 30 MPH.  THIS LINE OF
THUNDERSTORMS WILL ENTER NORTHERN MASSACHUSETTS AROUND 300 PM AND WILL
MOVE SOUTHWARD ACROSS MOST OF THE STATE.

PEOPLE IN THE WATCH AREA SHOULD KEEP KEEP CURRENT ON THIS RAPIDLY
DEVELOPING AND POTENTIALLY DANGEROUS SITUATION...AND BE PREPARED TO
TAKE QUICK ACTION IS CASE SEVERE WEATHER IS OBSERVED OR A WARNING FOR
THEIR AREA IS ISSUED.

THE NEXT STATEMENT ON THIS SITUATION WILL BE ISSUED BY THE NATIONAL
WEATHER SERVICE IN BOSTON AROUND 400 PM.

GCS

Special weather statement, Jul 10, 2:18 PM EDT, 1 hour 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARTFORD CT
215 PM EST MON JUL 10 1989

...SEVERE THUNDERSTORM WATCH FOR HAMPDEN COUNTY OF MASSACHUSETTS
UNTIL 800 PM THIS EVENING...

A LINE OF THUNDERSTORMS EXTENDING FROM SOUTHERN MAINE TO NORTH OF
ALBANY NEW YORK...IS MOVING SOUTHWARD AROUND 30 MPH.  THIS LINE OF
THUNDERSTORMS WILL ENTER NORTHERN MASSACHUSETTS AROUND 300 PM AND
WILL MOVE SOUTHWARD ACROSS OF THE STATE.

PEOPLE IN THE WATCH AREA SHOULD KEEP CURRENT ON THIS RAPIDLY
DEVELOPING AND POTENTIALLY DANGEROUS SITUATION...AND BE PREPARED TO
TAKE QUICK ACTION IN CASE SEVERE WEATHER IS OBSERVED OR A WARNING FOR
THEIR AREA IS ISSUED.

THE NEXT STATEMENT ON THIS SITUATION WILL BE ISSUED AS NECESSARY BY
THE NATIONAL WEATHER SERVICE.

RA/BK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 10:35 AM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire	65 min
Jul 10, 11:25 AM EDT	Severe Thunderstorm Warning	BOX	Hampden	65 min
Jul 10, 11:35 AM EDT	Severe Thunderstorm Warning	BOX	Worcester	35 min
Jul 10, 4:30 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	60 min
Jul 10, 6:21 PM EDT	Severe Thunderstorm Warning	BOX	Essex	69 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 1989 Every severe thunderstorm warning in 1989

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.