Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 64, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 3, 1993, 10:57 PM EDT for Capitol Planning Region, Connecticut. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Sep 3, 1993, 10:57 PM EDT (02:57 UTC)
- Expired
- Sep 4, 1993, 12:00 AM EDT
- In force
- 63 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
County Capitol Planning Region, CT
The nearest sounding before it
Albany, NY (KALB), launched 00:00Z, 3.0 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
- 1227 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1211 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KBDL 040257 RRA SVRBDL CTC003-040400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HARTFORD CT 1057 PM EDT FRI SEP 3 1993 THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL CONNECTICUT ...HARTFORD COUNTY A LINE OF THUNDERSTORMS WAS MOVING INTO HARTFORD COUNTY AT 1045 PM. THE STRONGEST STROM WAS LOCATED NEAR THE CITY OF GRANDBY 5 MILES WEST OF BRADLEY INTERNATIONAL AIRPORT. THESE STROSM ARE PRODUCING VERY DANGEROUS LIGHTNING AND GUSTY WINDS. THERE HAVE BEEN REPORTS OF ELECTRICAL WIRES KNOCKED DOWNED WITH THESE STORMS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. & Y. MAXIMUM SUSTAINED WINDS... 60 MPH. MINIMUM CENTRAL PRESSURE... 994 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 5 AM AST...SATURDAY. MAYFIELD ADVISORY NUMBER 51 TROPICAL STORM EMILY PROBABILITIES FOR GUIDANCE IN HURRICANE PROTECTION PLANNING BY GOVERNMENT AND DISASTER OFFICIALS CHANCES OF CENTER OF THE STORM PASSING WITHIN 65 MILES OF LISTED LOCATIONS THROUGH 8PM AST MON SEP 6 1993 LOCATION A B C D E LOCATION A B C D E 37.0N 56.8W 31 X X X 31 PTX BASQUES NFLD X X 1 1 2 37.7N 55.5W 17 1 1 1 20 BURGEO NFLD X X 1 1 2 38.3N 53.5W 6 5 2 2 15 ILE ST PIERRE X X 2 2 4 SABLE ISLAND NS X 1 2 1 4 CAPE RACE NFLD X X 2 3 5 SYDNEY NS X X 1 1 2 HIBERNIA OILFLD X X 1 3 4 EDDY POINT NS X X 1 1 2 COLUMN DEFINITION PROBABILITIES IN PERCENT A IS PROBABILITY FROM NOW TO 8PM SAT FOLLOWING ARE ADDITIONAL PROBABILITIES B FROM 8PM SAT TO 8AM SUN C FROM 8AM SUN TO 8PM SUN D FROM 8PM SUN TO 8PM MON E IS TOTAL PROBABILITY FROM NOW TO 8PM MON X MEANS LESS THAN ONE PERCENT
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, Sep 3, 7:30 PM EDT, 3 hours 27 minutes before
MAZ005-040200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 730 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 730 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM ALBANY NEW YORK TO SCRANTON PENNSYLVANIA. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST AT 30 MPH AND MAY AFFECT HAMPDEN COUNTY IN THE NEXT FEW HOURS. AT THIS TIME...THERE WERE NO SEVERE THUNDERSTORMS WITHIN 100 MILES OF HAMPDEN COUNTY. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO STATIONS FOR FURTHER UPDATES. MOORE
Special weather statement, Sep 3, 7:38 PM EDT, 3 hours 19 minutes before
MAZ005-040200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 730 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 730 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM ALBANY NEW YORK TO SCRANTON PENNSYLVANIA. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST AT 30 MPH AND MAY AFFECT HAMPDEN COUNTY IN THE NEXT FEW HOURS. AT THIS TIME...THERE WERE NO SEVERE THUNDERSTORMS WITHIN 100 MILES OF HAMPDEN COUNTY. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO STATIONS FOR FURTHER UPDATES. MOORE
Special weather statement, Sep 3, 9:10 PM EDT, 1 hour 47 minutes before
MAZ005-CTZALL-040300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 910 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 900 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM SCRANTON PENNSYLVANIA TO LEBONON VERMONT. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST NORTHEAST AT 30 MPH. AT THIS TIME...THERE WAS A THUNDERSTORM OVER BRADLEY INTERNATIONAL AIRPORT WHICH WAS PRODUCING VERY FREQUENT LIGHTNING. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO STATIONS FOR FURTHER UPDATES. CHORNEY
Special weather statement, Sep 3, 9:14 PM EDT, 1 hour 43 minutes before
MAZ005-CTZALL-040300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 910 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 900 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM SCRANTON PENNSYLVANIA TO LEBONON VERMONT. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST NORTHEAST AT 30 MPH. AT THIS TIME...THERE WAS A THUNDERSTORM OVER BRADLEY INTERNATIONAL AIRPORT WHICH WAS PRODUCING VERY FREQUENT LIGHTNING. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO STATIONS FOR FURTHER UPDATES. CHORNEY
Special weather statement, Sep 3, 9:34 PM EDT, 1 hour 23 minutes before
MAZ005-CTZALL-040300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 935 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 930 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM SCRANTON PENNSYLVANIA TO LEBONON VERMONT. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST NORTHEAST AT 30 MPH. AT THIS TIME...THERE WAS A LINE OF THUNDERSTORMS ENTERING LITCHFIELD COUNTY. THESE THUNDERSTORMS WERE PRODUCING FREQUENT LIGHTNING AND BRIEF DOWNPOURS. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RA,DIO OR COMMERCIAL TELEVISION AND RADIO STATIONS FOR FURTHER UPDATES. MOORE
Special weather statement, Sep 3, 9:35 PM EDT, 1 hour 22 minutes before
MAZ005-CTZALL-040300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARTFORD CT 935 PM EDT FRI SEP 03 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HAMPDEN COUNTY MASSACHUSETTS UNTIL 10 PM... AT 930 PM...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS FROM SCRANTON PENNSYLVANIA TO LEBONON VERMONT. THIS AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST NORTHEAST AT 30 MPH. AT THIS TIME...THERE WAS A LINE OF THUNDERSTORMS ENTERING LITCHFIELD COUNTY. THESE THUNDERSTORMS WERE PRODUCING FREQUENT LIGHTNING AND BRIEF DOWNPOURS. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER INDOORS. REMEMBER...ALL LIGHTNING IS DEADLY. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TELEVISION AND RADIO STATIONS FOR FURTHER UPDATES. MOORE
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 11:30 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 60 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 1993Every severe thunderstorm warning in 1993
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.