Alert archive / Connecticut / Flash Flood Warnings in 1998

Flash Flood Warning 2, NWS New York, NY

January 24, 1998Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Jan 24, 1998, 7:25 AM EST for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region, Connecticut. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 24, 1998, 7:25 AM EST (12:25 UTC)
Expired
Jan 24, 1998, 2:15 PM EST
In force
7 hr
Issued by
NWS New York, NY
Area
Whole counties

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT

The radar

The Brookhaven radar (KOKX), 74 km from the middle of the area, began a volume at 12:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 0.4 hours before the alert went out and 74 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, Brookhaven, NY at 12:00Z on 1998-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1998-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
115 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 KNYC 241223
FFWNYC
CTC007-009-011-241915-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
725 AM EST SAT JAN 24 1998
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS EXTENTED AND
EXPANDED THE FLOOD WARNING EFFECTIVE UNTIL  215 PM EST
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...MIDDLESEX COUNTY...NEW HAVEN COUNTY
 
IN SOUTHEAST CONNECTICUT
 
   ...NEW LONDON COUNTY
 
HEAVY RAIN OVERNIGHT OF 2 1/2 TO 3 1/2 INCHES HAS CAUSED
NUMEROUS SMALL STREAMS TO OVERFLOW THEIR BANKS AS WELL AS
WIDESPREAD PONDING OF WATER AND STREET FLOODING.
 
THE WEPAWAUG RIVER IN MILFORD HAS RISEN 2 FEET ABOVE FLOOD
STAGE PRODUCING MINOR FLOODING. THE RIVER HAS BEEN HOLDING
STEADY THE PAST FEW HOURS AND IS NEARING ITS CREST.
 
THE QUINNIPIAC RIVER IN WALLINGFORD HAS RISEN 2 1/2 FEET
ABOVE FLOOD STAGE CAUSING MINOR FLOODING ALONG THE RIVER
REACH.
 
IN NEW LONDON COUNTY...THE YANTIC RIVER CONTINUES TO RISE.
AT 7 AM THE RIVER LEVEL WAS AT 8.2 FEET. FLOOD STAGE IS
8 FEET. MINOR FLOODING WILL BEGIN IN THE MEADOWS IN YANTIC
FLATS WHEN THE RIVER REACHES 8 1/2 FEET. THE RIVER IS
EXPECTED TO CREST LATER THIS MORNING 1 TO 1 1/2 FEET ABOVE
FLOOD STAGE.
 
THE RAIN HAS ENDED ACROSS CONNECTICUT THIS MORNING. MOST SMALL
RIVERS AND STREAMS WILL BE OR ARE ALREADY APPROACHING THEIR
CREST...HOWEVER THERE IS ALOT OF PONDING WATER...FLOODED ROADS
...AND SWOLLEN STREAMS IN THE WARNING AREA.
 
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.
 
MCKILLOP
WFO BROOKHADVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 4:00 AM ESTFlash Flood WarningOKXLower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region4 hr

Nearby

Flash Flood Warnings in Connecticut, 1998Every flash flood warning in 1998

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; radar from the NEXRAD Level II archive.