Alert archive / Connecticut / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 9, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 7, 1989, 5:59 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1989, 5:59 PM EDT (21:59 UTC)
- Expired
- Jul 7, 1989, 7:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
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, 10.0 hours before the alert went out and 106 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.
- Mixed-layer CAPE
- 50 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBDL 072158
SVRBDL
CTC005-072300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
559 PM EDT FRI JUL 7 1989
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CONNECTICUT
...LITCHFIELD
AT 6 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
ENTERING CONNECTICUT FROM NEW YORK. THIS THUNDERSTORM IS MOVING TO THE
EAST SOUTHEAST AROUND 25 MILES AN HOUR.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOV8E 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.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
Special weather statement, Jul 7, 4:04 PM EDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT FOR MASSACHUSETTS NATIONAL WEATHER SERVICE BOSTON MA 400 PM EDT FRI JUL 7 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR ALL OF MASSACHUSETTS... THE ATMOSPHERE OVER THE STATE HAS BECOME VERY UNSTABLE AHEAD OF AN APPROACHING COLD FRONT AND SQUALL LINE COMBINATION NOW EXTENDING ACROSS SOUTHERN VERMONT AND EAST-CENTRAL NEW YORK. RADAR HAS INDICATED SEVERAL SEVERE THUNDERSTORMS WITHIN THIS AREA WHICH IS MOVING SOUTHEAST AROUND 25 MILES AN HOUR. THE THUNDERSTORMS WILL BE MOVING INTO BERKSHIRE COUNTY WITHIN THE HOUR...THEN ACROSS THE REST OF THE STATE DURING THE REST OF THE AFTERNOON AND EVENING. RESIDENTS SHOULD KEEP A CLOSE EYE ON THIS SITTUATION AND BE PREPARED TO TAKE ACTION IN CASE SEVERE WEATHER WEATHER IS OBSERVED OR A WARNING IS ISSUED. THE NEXT STATEMENT ON THIS SITUATION WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN BOSTON AROUND 6 PM EDT. DORR
Special weather statement, Jul 7, 4:18 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 400 PM EDT FRI JUL 07 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR ALL OF CONNECTICUT AND HAMPDEN COUNTY OF MASSACHUSETTS... THE ATMOSPHERE OVER THE AREA HAS BECOME VERY UNSTABLE AHEAD OF AN APPROACHING COLD FRONT..AND SQUALL LINE NOW EXTENDING ACROSS SOUTHERN VERMONT AND EAST-CENTRAL NEW YORK. WEATHER SERVICE RADAR INDICATED SEVERAL SEVERE THUNDERSTORMS WITHIN THAT AREA..MOVING SOUTHEAST AROUND 25 MILES AN HOUR. THUNDERSTORMS WILL BE MOVING INTO MASSACHUSETTS WITHIN THE NEXT HOUR AND ACROSS CONNECTICUT THE REST OF THE AFTERNOON AND EVENING. YOU SHOULD KEEP A CLOSE EYE ON THIS WEATHER SIiTUATION AND BE PREPARED TO TAKE ACTION IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. THE NEXT STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE AROUND 6 PM EDT. WESTER
Nearby
Severe Thunderstorm Warnings in Connecticut, 1989Every 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.