Alert archive / Connecticut / Flash Flood Warnings in 1993
Flash Flood Warning 4, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Apr 1, 1993, 4:51 PM EST for Southeastern Connecticut Planning Region, Connecticut. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 1, 1993, 4:51 PM EST (21:51 UTC)
- Expired
- Apr 1, 1993, 10:00 PM EST
- In force
- 5 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Whole counties
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 9.9 hours before the alert went out and 178 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
- NaN m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 313 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 012153 FFWBDL CTC011-020300- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE HARTFORD CT 451 PM EST THU APR 1 1993 THE NATIONAL WEATHER SERVICE IN HARTFORD HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 1000 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST CONNECTICUT ...NEW LONDON COUNTY THUNDERSTORMS WITH VERY HEAVY RAIN ARE CURRENTLY OVER LONG ISLAND HEADING NORTHEAST TOWARD NEW LONDON COUNTY. WITH STREAMS ALREADY AT FULL CAPACITY...ADDITIONAL RAINFALL ASSOCIATED WITH THESE THUNDERSTORMS WILL CAUSE FLOODING. HEAVIEST RAINFALLS CAN BE EXPECTED BETWEEN 5 AND 7PM...HOWEVER THE FLOODING WILL LAST FOR SEVERAL HOURS BEYOND THE END OF HEAVY PRECIPITATION. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. WOODCOCK
What forecasters said that day
The local office's own words before this flash flood 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, Apr 1, 1:30 PM EST, 3 hours 21 minutes before
MAZ003-009-012100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 130 PM EST THU APR 01 1993 ...POTENTIALLY STRONG THUNDERSTORMS MOVING TOWARDS CAPE COD...MARTHAS VINEYARD...AND THE BUZZARDS BAY AREA... WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS MOVING TOWARDS THE BUZZARDS BAY AREA AT 125 PM. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS OVER 50 MPH AND TORRENTIAL RAINS AS THEY MOVE ACROSS THE BUZZARDS BAY COASTLINE AND UPPER CAPE AREA BETWEEN 130 AND 230 PM. THE STRONGEST THUNDERSTORMS WERE BETWEEN FALL RIVER AND NEW BEDFORD...AND IN THE VINEYARD SOUND AREA. THE THUNDERSTORMS WERE MOVING NORTHEAST ABOUT 35 MPH. THE COMMUNITIES MOST LIKELY TO BE AFFECTED INCLUDE NEW BEDFORD...WAREHAM...FALMOUTH...BOURNE...AND HYANNIS. DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...AND SEEK PROTECTION IN A SAFE PLACE IF THESE THUNDERSTORMS PRODUCE HIGH WINDS IN YOUR AREA. THOMPSON
Special weather statement, Apr 1, 1:31 PM EST, 3 hours 20 minutes before
MAZ003-009-012100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOSTON MA 130 PM EST THU APR 01 1993 ...POTENTIALLY STRONG THUNDERSTORMS MOVING TOWARDS CAPE COD...MARTHAS VINEYARD...AND THE BUZZARDS BAY AREA... WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS MOVING TOWARDS THE BUZZARDS BAY AREA AT 125 PM. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS OVER 50 MPH AND TORRENTIAL RAINS AS THEY MOVE ACROSS THE BUZZARDS BAY COASTLINE AND UPPER CAPE AREA BETWEEN 130 AND 230 PM. THE STRONGEST THUNDERSTORMS WERE BETWEEN FALL RIVER AND NEW BEDFORD...AND IN THE VINEYARD SOUND AREA. THE THUNDERSTORMS WERE MOVING NORTHEAST ABOUT 35 MPH. THE COMMUNITIES MOST LIKELY TO BEP AFFECTED INCLUDE NEW BEDFORD...WAREHAM...FALMOUTH...BOURNE...AND HYANNIS. DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...AND SEEK PROTECTION IN A SAFE PLACE IF THESE THUNDERSTORMS PRODUCE HIGH WINDS IN YOUR AREA. THOMPSON
Nearby
Flash Flood Warnings in Connecticut, 1993Every flash flood 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.