Alert archive / Connecticut / Flash Flood Warnings in 1998

Flash Flood Warning 4, NWS New York, NY

March 9, 1998Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this flash flood warning at Mar 9, 1998, 10:02 AM EST for Naugatuck Valley Planning Region, Connecticut. It was in force for 13 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
Mar 9, 1998, 10:02 AM EST (15:02 UTC)
Expired
Mar 9, 1998, 11:00 PM EST
In force
13 hr
Issued by
NWS New York, NY
Area
Whole counties

County Naugatuck Valley Planning Region, CT

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 3.0 hours before the alert went out and 75 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 1998-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 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
4 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Mar 9, 4:20 AM EST, 5 hours 42 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-091600-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
420 AM EST MON MAR 9 1998

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH TODAY...

...THE WIND ADVISORY IS IN EFFECT FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT THIS
AFTERNOON AND EVENING...

THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR THE HEAVY RAIN AND
GUSTY WIND IN OUR AREA TODAY WAS CENTERED OVER THE OHIO VALLEY EARLY
THIS MORNING...AND WILL MOVE NORTHEAST THROUGH THE EASTERN GREAT
LAKES REGION TODAY AND ON INTO EASTERN CANADA TONIGHT.

THE WARM FRONT ASSOCIATED WITH THIS LOW WILL PUSH THROUGH COASTAL
SECTIONS THIS MORNING. BY MID MORNING...THE FRONT SHOULD HAVE PUSHED
THROUGH THE NEW YORK CITY METROPOLITAN AREA...LONG ISLAND AND MUCH
OF SOUTHERN CONNECTICUT.

RAIN INCLUDING HEAVIER DOWNPOURS AND EVEN ISOLATED THUNDERSTORMS
ALONG AND NEAR THIS FRONT WILL AFFECT OUR REGION THIS MORNING
INCLUDING THE RUSH HOUR. THIS WILL CONTINUE CAUSING WIDESPREAD
PONDING ON ROADWAYS AS WELL AS POOR DRAINAGE STREET AND URBAN
FLOODING.

COMMUTERS THIS MORNING ARE ENCOURAGED TO ALLOW EXTRA TIME AND USE
APPROPRIATE CAUTION FOR LOW VISIBILITY WET WEATHER DRIVING.

IN ADDITION...QUICKER RESPONDING SMALL STREAMS WILL RISE TOWARD
BANKFULL.

THE RAIN WILL BE MORE INTERMITTENT IN NATURE THIS AFTERNOON AS IT
TAKES THE FORM OF SHOWERS AND THUNDERSTORMS IN ADVANCE OF THE COLD
FRONT APPROACHING FROM THE WEST. HEAVIER DOWNPOURS WILL FURTHER
AGGRAVATE THE POOR DRAINAGE FLOODING AT TIMES INTO THIS EVENING. THE
SHOWERS AND THUNDERSTORMS WILL END FROM WEST TO EAST THIS
EVENING...WITH THE LAST OF THE ACTIVITY CLEARING EXTREME EASTERN
SECTIONS BY MIDNIGHT OR SO.

EAST WINDS AVERAGING 15 TO 20 MPH WITH GUSTS TO AROUND 30 WILL SHIFT
TO THE SOUTH AT SIMILAR SPEEDS THIS MORNING AS THE WARM FRONT PUSHES
THROUGH. THIS SOUTH WIND WILL BE MUCH STRONGER JUST ABOVE THE
SURFACE...SO ANY THUNDERSTORM OR EVEN A HEAVIER SHOWER TODAY CAN BE
ACCOMPANIED BY GUSTY WINDS...WITH PEAK GUSTS OVER 45 MPH POSSIBLE.
THE WIND ADVISORY IS CONTINUED THROUGH THIS EVENING FOR THIS REASON.

WITH THE WARM FRONT PUSHING THROUGH...TEMPERATURES TODAY WILL SOAR
TOWARD 60 OVER PARTS OF THE NEW YORK/NEW JERSEY METROPOLITAN
AREA AND EVEN WELL INLAND BY LATE TODAY. HOWEVER...TEMPERATURES BE
HELD CLOSER TO 50 OUT OVER LONG ISLAND AS WATER TEMPERATURES ARE IN
THE LOWER TO MID 40S.

THE COLD FRONT WILL PUSH THROUGH OUR REGION FROM WEST TO EAST
TONIGHT...SETTING THE STAGE FOR A GRADUAL TURN TO COLDER WEATHER
THROUGH THE MID WEEK PERIOD. TEMPERATURES WEDNESDAY AND ESPECIALLY
THURSDAY WILL ACTUALLY BE BELOW NORMAL...BUT THE WEATHER SHOULD
BE DRY DURING THIS PERIOD.

IN THE MEANTIME...THE NATIONAL WEATHER SERVICE WILL CONTINUE TO
MONITOR THE POTENTIAL FLOOD SITUATION TODAY AND ISSUE STATEMENTS
ALONG WITH APPROPRIATE WARNINGS AS NECESSARY. AS SUCH...PLEASE STAY
TUNED TO YOUR NOAA WEATHER RADIO OR MEDIA OUTLETS OR CHECK OUR
HOMEPAGE ON THE INTERNET FOR ADDITIONAL UPDATES.

MAZZA
Special weather statement, Mar 9, 4:20 AM EST, 5 hours 42 minutes before
NYZ067>081-CTZ005>012-NJZ002>006-011-091600-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY
AND SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
420 AM EST MON MAR 9 1998

...THE NATIONAL WEATHER SERVICE IS CONTINUING THE FLOOD WATCH FOR
EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN
CONNECTICUT THROUGH TODAY...

...THE WIND ADVISORY IS IN EFFECT FOR EXTREME SOUTHEASTERN NEW
YORK...NORTHEASTERN NEW JERSEY AND SOUTHERN CONNECTICUT THIS
AFTERNOON AND EVENING...

THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR THE HEAVY RAIN AND
GUSTY WIND IN OUR AREA TODAY WAS CENTERED OVER THE OHIO VALLEY EARLY
THIS MORNING...AND WILL MOVE NORTHEAST THROUGH THE EASTERN GREAT
LAKES REGION TODAY AND ON INTO EASTERN CANADA TONIGHT.

THE WARM FRONT ASSOCIATED WITH THIS LOW WILL PUSH THROUGH COASTAL
SECTIONS THIS MORNING. BY MID MORNING...THE FRONT SHOULD HAVE PUSHED
THROUGH THE NEW YORK CITY METROPOLITAN AREA...LONG ISLAND AND MUCH
OF SOUTHERN CONNECTICUT.

RAIN INCLUDING HEAVIER DOWNPOURS AND EVEN ISOLATED THUNDERSTORMS
ALONG AND NEAR THIS FRONT WILL AFFECT OUR REGION THIS MORNING
INCLUDING THE RUSH HOUR. THIS WILL CONTINUE CAUSING WIDESPREAD
PONDING ON ROADWAYS AS WELL AS POOR DRAINAGE STREET AND URBAN
FLOODING.

COMMUTERS THIS MORNING ARE ENCOURAGED TO ALLOW EXTRA TIME AND USE
APPROPRIATE CAUTION FOR LOW VISIBILITY WET WEATHER DRIVING.

IN ADDITION...QUICKER RESPONDING SMALL STREAMS WILL RISE TOWARD
BANKFULL.

THE RAIN WILL BE MORE INTERMITTENT IN NATURE THIS AFTERNOON AS IT
TAKES THE FORM OF SHOWERS AND THUNDERSTORMS IN ADVANCE OF THE COLD
FRONT APPROACHING FROM THE WEST. HEAVIER DOWNPOURS WILL FURTHER
AGGRAVATE THE POOR DRAINAGE FLOODING AT TIMES INTO THIS EVENING. THE
SHOWERS AND THUNDERSTORMS WILL END FROM WEST TO EAST THIS
EVENING...WITH THE LAST OF THE ACTIVITY CLEARING EXTREME EASTERN
SECTIONS BY MIDNIGHT OR SO.

EAST WINDS AVERAGING 15 TO 20 MPH WITH GUSTS TO AROUND 30 WILL SHIFT
TO THE SOUTH AT SIMILAR SPEEDS THIS MORNING AS THE WARM FRONT PUSHES
THROUGH. THIS SOUTH WIND WILL BE MUCH STRONGER JUST ABOVE THE
SURFACE...SO ANY THUNDERSTORM OR EVEN A HEAVIER SHOWER TODAY CAN BE
ACCOMPANIED BY GUSTY WINDS...WITH PEAK GUSTS OVER 45 MPH POSSIBLE.
THE WIND ADVISORY IS CONTINUED THROUGH THIS EVENING FOR THIS REASON.

WITH THE WARM FRONT PUSHING THROUGH...TEMPERATURES TODAY WILL SOAR
TOWARD 60 OVER PARTS OF THE NEW YORK/NEW JERSEY METROPOLITAN
AREA AND EVEN WELL INLAND BY LATE TODAY. HOWEVER...TEMPERATURES BE
HELD CLOSER TO 50 OUT OVER LONG ISLAND AS WATER TEMPERATURES ARE IN
THE LOWER TO MID 40S.

THE COLD FRONT WILL PUSH THROUGH OUR REGION FROM WEST TO EAST
TONIGHT...SETTING THE STAGE FOR A GRADUAL TURN TO COLDER WEATHER
THROUGH THE MID WEEK PERIOD. TEMPERATURES WEDNESDAY AND ESPECIALLY
THURSDAY WILL ACTUALLY BE BELOW NORMAL...BUT THE WEATHER SHOULD
BE DRY DURING THIS PERIOD.

IN THE MEANTIME...THE NATIONAL WEATHER SERVICE WILL CONTINUE TO
MONITOR THE POTENTIAL FLOOD SITUATION TODAY AND ISSUE STATEMENTS
ALONG WITH APPROPRIATE WARNINGS AS NECESSARY. AS SUCH...PLEASE STAY
TUNED TO YOUR NOAA WEATHER RADIO OR MEDIA OUTLETS OR CHECK OUR
HOMEPAGE ON THE INTERNET FOR ADDITIONAL UPDATES.

MAZZA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 6:15 PM ESTFlash Flood WarningOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region105 min

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.