Alert archive / Connecticut / Flash Flood Warnings in 1990

Flash Flood Warning 7, NWS New York, NY

August 10, 1990Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Aug 10, 1990, 9:20 AM EDT for Greater Bridgeport Planning Region, Connecticut. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 1990, 9:20 AM EDT (13:20 UTC)
Expired
Aug 10, 1990, 12:15 PM EDT
In force
3 hr
Issued by
NWS New York, NY
Area
Whole counties

County Greater Bridgeport 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, 1.3 hours before the alert went out and 168 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 12:00Z on 1990-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 12:00Z on 1990-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
5 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBDR 101320
FFWBDR
CTC001-101615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE BRIDGEPORT CT
920 AM EDT FRI AUG 10 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 1215 PM EDT FOR PEOPLE IN 
THE FOLLOWING COUNTY

   IN THE STATE OF CONNECTICUT
      NORTHWEST AND WESTERN FAIRFIELD

HEAVY RAINS OF AROUND 2 INCHES WITH AS MUCH AS .41 OF AN INCH IN
5 MINUTES WAS REPORTED IN AND AROUND THE DANBURY CONNECTICUT AREA
AS OF 845 AM THIS MORNING.
RADAR SHOWS THAT MORE RAIN WAS HEADING INTO WESTERN AND
NORTHWESTERN AREAS OF FAIRFIELD COUNTY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 IMMEDIATELY.
MOVE TO HIGHER GROUND.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO REChOGNIZE
THE DANGERS OF FLOOD WATERS.  IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.  MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

 HAZZARD

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, Aug 10, 5:13 AM EDT, 4 hours 7 minutes before
NJZ015-NYZ014-015-101200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
500 AM EDT FRI AUG 10 1990

...HEAVY DOWNPOURS IN AND AROUND THE NEW YORK CITY METRO AREA...

TROPICAL-LIKE SHOWERS ACCOMPANIED BY HEAVY DOWNPOURS DUMPED OVER ONE
INCH OF RAIN...1.25 INCHES...BETWEEN 4 AM AND 5 AM IN CENTRAL PARK.
THE HEAVY RAINS HAVE OCCURRED THROUGHOUT NEW YORK CITY AS WELL AS OVER
HUDSON AND BERGEN COUNTIES IN NEW JERSEY AND ARE MOVING NORT)H THROUGH
ROCKLAND AND WESTCHESTER.

THERE IS WIDESPREAD POOR DRAINAGE FLOODING. THE MORNING COMMUTE WILL
BE A DIFFICULT ONE FOR MANY...SO LEAVE EXTRA TIME GETTING TO WORK TODAY.

EY

Nearby

Flash Flood Warnings in Connecticut, 1990Every flash flood 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.