Alert archive / Connecticut / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 33, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 21, 1989, 2:56 PM EDT for Capitol Planning Region, Connecticut. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1989, 2:56 PM EDT (18:56 UTC)
- Expired
- Aug 21, 1989, 3:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Capitol Planning Region, CT
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, 6.9 hours before the alert went out and 142 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBDL 211857
SVRBDL
CTC003-211945-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARTFORD CT
256 PM EDT MON AUG 21 1989
THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CONNECTICUT
...HARTFORD
AT 250 PM NATIONAL WEATHER SERVICE RADAR HAS FOLLOWED AN INTENSE
THUNDERSTORM CLUSTER ACROSS LITCHFIELD COUNTY INTO WESTERN HARTFORD
COUNTY AT SIMSBURY. SMALL HAIL AND GUSTY WINDS AND EXCESSIVE LIGHTNING
HAVE BEEN REPORTED WITH THIS STORM. INDICATORS SHOW THIS STORM IS
STRENGTHENING AND WILL LIKELY PRODUCE WIND GUSTS IN EXCESS OF 50 MPH
AND POSSIBLY LARGER HAIL IN ITS PATH. THE THUNDERSTORM IS MOVING
EAST-SOUTHEAST AT 35 MPH AND WILL BE OVER THE CONNECTICUT RIVER VALLEY
BETWEEN WINDSOR LOCKS AND HARTFORD BEFORE 330 PM.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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.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, Aug 21, 1:39 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 137 PM EDT MON AUG 21 1989 THUNDERSTORMS BUILDING AND ROLLING INTO LITCHFIELD COUNTY AT 130 PM EDT...NATIONAL WEATHER SERVICE RADAR AT BRADLEY INDICATED A CLUSTER OF THUNDERSTORMS IN SOUTHERN COLUMBIA COUNTY OF NEW YORK STATE MOVING EAST-SOUTHEAST AT 40 MPH. RESIDENTS IN LITCHFIELD COUNTY..ESPECIALLY IN THE TACONIC..TWIN LAKES.. AND CANAAN AREAS CAN EXPECT TO SEE THSE THUNDERSTORMS MOVE INTO THE AREA WITHIN THE NEXT HOUR. THESE STORMS MAY PRODUCE HEAVY RAINS...STRONG GUSTY WINDS..SMALL HAIL.. AND VIVID LIGHTNING. IF YOU SEE THREATENING WEATHER APPROACH..TAKE SHELTER AND LISTEN TO YOUR RADIO..TV..OR NOAA WEATH ER RADIO FOR FURTHER INFORMATION. WHITTIER
Special weather statement, Aug 21, 1:55 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT FOR CONNECTICUT NATIONAL WEATHER SERVICE BOSTON MA 155 PM EDT MON AUG 21 1989 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EDT... A FEW SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE THIS AFTERNOON. AT 130 PM EDT...NATIONAL WEATHER SERVICE RADAR AT BRADLEY INDICATED A CLUSTER OF THUNDERSTORMS IN SOUTHERN COLUMBIA COUNTY OF NEW YORK STATE MOVING EAST-SOUTHEAST AT 40 MPH. RESIDENTS IN LITCHFIELD COUNTY..ESPECIALLY IN THE TACONIC..TWIN LAKES.. AND CANAAN AREAS CAN EXPECT TO SEE THSE THUNDERSTORMS MOVE INTO THE AREA WITHIN THE NEXT HOUR. IF YOU SEE THREATENING WEATHER APPROACH..TAKE SHELTER AND LISTEN TO YOUR RADIO..TV..OR NOAA WEA3THER RADIO FOR FURTHER INFORMATION. BTS
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 2:02 PM EDT | Severe Thunderstorm Warning | BOX | Northwest Hills Planning Region | 58 min |
| Aug 21, 4:21 PM EDT | Severe Thunderstorm Warning | BOX | Southeastern Connecticut Planning Region | 54 min |
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.