Alert archive / Connecticut / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 44, NWS New York, NY

August 13, 1990Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Aug 13, 1990, 9:46 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Aug 13, 1990, 9:46 PM EDT (01:46 UTC)
Expired
Aug 13, 1990, 10:45 PM EDT
In force
59 min
Issued by
NWS New York, NY
Area
Whole counties

County Naugatuck Valley 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 00:00Z, 1.8 hours before the alert went out and 144 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-pSkew-T log-p diagram, Albany, NY at 00:00Z on 1990-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 921 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 1990-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
921 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
963 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
1.4
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBDR 140147 RRA
SVRBDR
CTC009-140245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BRIDGEPORT CT
946 PM EDT MON AUG 13 1990
 
THE NATIONAL WEATHER SERVICE IN BRIDGEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...NEW HAVEN COUNTY
 
AND THE ADJACENT COASTAL WATERS OF LONG ISLAND SOUND.
 
 
 
 
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.
 
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.
 
HAZZARD

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 13, 5:30 PM EDT, 4 hours 16 minutes before
NJZ001-005-007-015-NYZ014.017-132300
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK CITY NEW YORK
530 PM EDT MON AUG 13 1990

...DO NOT USE AFTER 7 PM EDT...

...STRONG THUNDERSTORMS OVER EASTERN PENNSYLVANIA...

AN AREA OF THUNDERSTORMS WERE ALONG A LINE FROM THE PENNSYLVANIA WEST
VIRGINIA BORDER NORTH OF MARTINSBURG NORTH THROUGH EASTERN PENNSYLVANIA TO
SOUTHEASTERN NEW YORK STATE UP TO WARREN COUNTY OF NEW YORK STATE.

THERE WERE THUNDERSTORMS WITH VERY HEAVY RAIN STRONG GUSTY WINDS AND
DANGEROUS LIGHTNING LOCATED OVER LUZERNE COUNTY NEAR HAZLETON AND NORTH
THROUGH LACKAANNA COUNTY JUST TO THE SOUTH OF SCRANTON. WITH THE PRESENT
MOVEMENT AND SPEED THIS DANGwEROUS THUNDERSTORMS SHOULD BE MOVING INTO WHITE
HAVEN AND MOSCOW OF EASTERN PENNSYLVANIA WITHIN THE NEXT HALF HOUR.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.
KLEIN
Special weather statement, Aug 13, 6:30 PM EDT, 3 hours 16 minutes before
NJZ001-005-007-015-NYZ014.017-140000
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK CITY NEW YORK
630 PM EDT MON AUG 13 1990

...DO NOT USE AFTER 8 PM EDT...

...STRONG THUNDERSTORMS OVER EASTERN PENNSYLVANIA AND SOUTHEASTERN NEW
YORK STATE...

AN AREA OF THUNDERSTORMS WERE ALONG A LINE FROM THE PENNSYLVANIA WEST
VIRGINIA BORDER EAST OF HAGERSTOWN NORTH THROUGH EASTERN PENNSYLVANIA TO
SOUTHEASTERN NEW YORK STATE UP TO MONTGOMERY COUNTY OF NEW YORK STATE.

THERE WERE THUNDERSTORMS WITH VERY HEAVY RAIN STRONG GUSTY WINDS AND
DANGEROUS LIGHTNING LOCATED OVER SCHUYKILL COUNTY NEAR POTTSVILLE AND NORTH
THROUGH CARBON AND MONROE COUNTY JUST WEST OF STROUDSBURG. WITH THE PRESENT
MOVEMENT AND SPEED THESE DANGEROUS THUNDERSTORMS SHOULD BE MOVING INTO
NORTHHAMPTON AND THE BUSKILL AREA WITHIN THE NEXT HALF HOUR.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.

KLEIN
Special weather statement, Aug 13, 7:30 PM EDT, 2 hours 16 minutes before
NJZ001-005-007-015-NYZ014>017-140100
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK CITY NEW YORK
730 PM EDT MON AUG 13 1990

...DO NOT USE AFTER 9 PM EDT...

...STRONG THUNDERSTORMS OVER EASTERN PENNSYLVANIA WESTERN NEW JERSEY AND
SOUTHEASTERN NEW YORK STATE.

AN AREA OF THUNDERSTORMS WERE ALONG A LINE FROM SOUTHEASTERN PENNSYLVANIA
OVER LANCASTER COUNTY NORTH THROUGH THE ALLENTOWN AREA AND THEN NORTHEAST
TO ULSTER COUNTY OF NEW YORK STATE.

THERE WERE THUNDERSTORMS WITH VERY HEAVY RAIN STRONG GUSTY WINDS
DANGEROUS LIGHTNING  AND POSSIBLE HAIL OVER NORTHERN NORTHAMPTON COUNTY OF
PENNSYLVANIA. THIS AREA OF THUNDERTORMS EXTENDED INTO WARREN COUNTY OF
NORTHERN NEW JERSEY. ANOTHER AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN
WAS MOVING INTO ULSTER COUNTY OF SOUTHEAST NEW YORK STATE.

PERSON IN THE EFFECTED AREA SHOULD BE ON THE LOOK OUT FOR DANGEROUS
CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

MOVEMENT WAS EAST AT 30 MILES AN HOUR.

KLEIN
Special weather statement, Aug 13, 8:06 PM EDT, 1 hour 40 minutes before
CTZ001-002-004-005-140130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
804 PM EDT MON AUG 13 1990

A LINE OF THUNDERSTORMS WITH HEAVY RAIN WILL BE MOVING INTO NORTHERN
FAIRFIELD COUNTY BETWEEN 830 AND 930 PM.

AT 800 PM...RADAR SHOWED A LINE OF THUNDERSTORMS WITH HEAVY RAIN IN
THE HUDSON RIVER VALLEY OF NEW YORK STATE AND WAS MOVING EAST AT 25 TO
30 MPH.  SOME THUNDERSTORMS IN THIS LINE HAD A HISTORY OF SEVERE WEATHER
WITH IT.
PERSONS IN FAIRFIELD COUNTY...AT THIS TIME MAINLY THE NORTHWESTERN AREA
AROUND CANDLEWOOD LAKE...SHERMAN...NEW FAIRFIELD...DANBURY AND
RIDGEFIELD SHOULD BE ON THE LOOKOUT AS THIS LINE OF THUNDERSTORMS MOVES
INTO YOU AREA.  ALL PERSONS NOT ONLY IN FAIRFIELD COUNTY BUT NEW HAVEN
COUNTY AS WELL SHOULD BE NEAR A RADIO OR TV AS THIS AREA OF WEATHER
MOVES ACROSS THE REGION.  THE CITY OF NEW HAVEN WITH THE INTERNATIONAL
TENNIS SHOW AT THE YALE BOWL SHOULD KEEP A EYE OUT THE THUNDERSTORMS.

HAZZARD
Special weather statement, Aug 13, 8:35 PM EDT, 1 hour 11 minutes before
NJZ001-005-007-015-NYZ014>017-140100
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK CITY NEW YORK
830 PM EDT MON AUG 13 1990

...DO NOT USE AFTER 10 PM EDT...

...STRONG THUNDERSTORMS OVER NEW JERSEY AND SOUTHEASTERN NEW YORK STATE.

AN AREA OF THUNDERSTORMS WERE ALONG A LINE FROM SOUTHEASTERN PENNSYLVANIA
JUST WEST OF PHILADELPHI NORTH THROUGH THUNTERDON AND MORRIS COUNTIES OF
NEW JERSEY TO ORANGE COUNTY OF SOUTHEAST NEW YORK STATE.

THERE WERE THUNDERSTORMS WITH VERY HEAVY RAIN STRONG GUSTY WINDS
DANGEROUS LIGHTNING  AND POSSIBLE HAIL OVER CHESTER AND MONTGOMERY COUNTIES
OF SOUTHEAST PENNSYLVANIA. THESE THUNDERSTORMS EXTENDED INTO NORTHERN
HUNTERDON AND AND SOUTHERN MORRIS COUNTIES JUST SOUTH OF MORRISTOWN.
ANOTHER AREA OF STRONG THUNDERSTORMS WAS OVER ORANGE COUNTY OF SOUTHEAS
NEW YORK STATE.

AT THE PRESENT RATE OF SPEED AND DIRECTION SEVERE THUNDERSTORMS SHOULD BE
MOVING INTO UNION AND ESSEX COUNI8TES WITHIN THE NEXT FIFTEEN MINUTES TO
HALF HOUR.

IF THREATENING CONDITION ARE OBSERVED BE PREPARED TO MOVE TO A PLACE OF
SAFTEY IMMEDIATELY.

MOVEMENT WAS EAST AT 30 MILES AN HOUR.

KLEIN


Special weather statement, Aug 13, 9:30 PM EDT, 16 minutes before
NJZ001-005-007-015-NYZ014>017-140300
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW YORK CITY NEW YORK
930 PM EDT MON AUG 13 1990

...DO NOT USE AFTER 11 PM EDT...

...STRONG THUNDERSTORMS OVER NEW JERSEY AND NEW YORK CITY...

AN AREA OF THUNDERSTORMS WERE ALONG A LINE FROM SOUTHEASTERN PENNSYLVANIA
JUST EAST OF PHILADELPHIA NORTH THROUGH UNION AND ESSEX COUNTIES OF NEW
JERSEY. THIS AREA ALSO EXTENDED INTO THE NEW YORK METROPOLITAN AREA...
ROCKLAND AND WESTCHESTER COUNTIES AND A SMALL SECTION OF WESTERN NASSAU
COUNTY.

THERE WERE THUNDERSTORMS WITH VERY HEAVY RAIN STRONG GUSTY WINDS
DANGEROUS LIGHTNING  AND POSSIBLE HAIL OVER EASTERN UNION AND HUDSON
COUNITES IN NEW JERSEY. OTHER THUNDERSTORMS WITH HEAVY TO VERY HEAVY RAIN
WERE IN PROGRESS OVER NEW YORK CITY AND MOVING INTO NASSAU COUNTY.

AT THE PRESENT MOVMENT AND SPEED THESE THUNDERSTORMS SHOULD BE OVER MOST
OF NASSAU...WESTCHESTER COUNTY OF NEW YORK STATE WITHIN THE NEXT HALF HOUR.
THESE STORMS WILL ALSO BE MOVING INTO SOUTHWEST CONNECTICUT BY NEXT HOUR.

IF THREATENING CONDITION ARE OBSERVED BE PREPARED TO MOVE TO A PLACE OF
SAFTEY IMMEDIATELY.

MOVEMENT WAS EAST AT 30 MILES AN HOUR.

KLEINy

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 9:31 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region59 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1990Every severe thunderstorm warning in 1990

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.