Alert archive / New Jersey / Flash Flood Warnings in 1993

Flash Flood Warning 20, NWS New York, NY

December 5, 1993Union County, New Jersey

NWS New York, NY issued this flash flood warning at Dec 5, 1993, 7:40 AM EST for Union County, New Jersey. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Dec 5, 1993, 7:40 AM EST (12:40 UTC)
Expired: Dec 5, 1993, 1:00 PM EST
In force: 5 hr
Issued by: NWS New York, NY
Area: Whole counties

County Union County, NJ

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 0.7 hours before the alert went out and 229 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 517 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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, Dec 5, 4:40 AM EST, 3 hours before

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Special weather statement, Dec 5, 4:42 AM EST, 2 hours 58 minutes before

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Special weather statement, Dec 5, 7:30 AM EST, 10 minutes before

NYZ067>081-NJZ001>014-051600-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
730 AM EST SUN DEC 5 1993

...A FLOOD WATCH REMAINS IN EFFECT FOR TODAY FOR ALL OF THE NORTHERN
HALF OF NEW JERSEY AS WELL AS SOUTHEASTERN NEW YORK...INCLUDING LONG
ISLAND AND NEW YORK CITY AS WELL AS WESTCHESTER... ROCKLAND...PUTNAM
...AND ORANGE COUNTIES...

RAIN CONTINUES THIS SUNDAY MORNING FROM A SLOW-MOVING BUT INTENSIFYING
STORM CENTERED OVER VIRGINIA. RAIN INCREASED IN INTENSITY OVERNIGHT AS
THE ENERGY FROM THIS STORM SURGED NORTHWARD. RAIN AMOUNTS HAVE BEEN
GENERALLY 1 1/4 TO AROUND 2 INCHES SINCE RAIN BEGAN SATURDAY...AND AN
ADDITIONAL 1/2 TO 1 INCH...LOCALLY 1 1/2 INCHES...WILL OCCUR TODAY.
RAIN IS EXPECTED TO TAPER OFF LATER THIS AFTERNOON OR BY THIS EVENING
AS THE STORM/S CENTER MOVES TO JUST SOUTH AND EAST OF NEW YORK CITY
LATER TODAY.

SMALL STREAMS AND CREEKS IN THE AREA COULD RISE TO NEAR BANKFULL THIS
MORNING...AND SOME OF THEM MAY OVERFLOW THEIR BANKS SO AREA RESIDENTS
WHO LIVE NEAR FLOOD-PRONE STREAMS SHOULD BE ON THE LOOKOUT FOR RISING
WATERS THIS MORNING. AMONG THE LARGER RIVERS...THE SAW MILL AND BRONX
RIVERS IN WESTCHESTER COUNTY WILL ALSO BEAR WATCHING.

AT 730 AM...RADAR INDICATED THAT AREAS OF MODERATELY HEAVY TO HEAVY
RAIN WERE EMBEDDED WITHIN THE GENERAL LIGHT RAIN THAT COVERED THE
REGION...AND THE RAIN WAS MOVING NORTHEAST AROUND 35 MILES AN HOUR.

RAIN TOTALS THROUGH 7 AM INCLUDE...1.81 INCHES AT CENTRAL PARK...1.70
INCHES AT NEWARK AIRPORT...1.50 INCHES AT LAGUARDIA...1.25 INCHES AT
JFK...AND 1.42 INCHES AT MACARTHUR AIRPORT AT ISLIP. AUTOMATED RAIN
GAGES IN NORTHERN NEW JERSEY SHOWED THE HIGHEST AMOUNTS WERE 2.20
INCHES AT BOONTON AND 2.26 INCHES AT MORRIS PLAINS. OTHER LOCATIONS
INDICATED GENERALLY BETWEEN 1 AND 2 INCHES TOTAL.

MOTORISTS WILL HAVE VERY POOR DRIVING CONDITIONS DUE TO THE COPIOUS
RAINFALL OF LAST NIGHT AND THIS MORNING. FLOODED UNDERPASSES AND
CLOGGED DRAINS WILL IMPAIR DRIVING...AND MOTORISTS SHOULD WATCH OUT
FOR PONDING OF WATER. DON/T DRIVE THROUGH FLOODED ROADS...YOU NEVER
KNOW FOR SURE JUST HOW DEEP THAT WATER IS...AND YOU COULD GET STALLED
OR WORSE.

WINDS ARE EXPECTED TO TURN AROUND FROM SOUTH TO NORTHEAST DURING THIS
MORNING...AND THIS MAY CAUSE SOME MINOR COASTAL FLOODING AT TIMES OF
HIGH TIDE...WHICH WOULD BE AROUND MIDDAY OR EARLY AFTERNOON DEPENDING
ON YOUR SPECIFIC LOCATION.

THE SLOWLY DEPARTING STORM SHOULD TAKE THE RAIN AWAY LATER TODAY...
WITH PARTIAL CLEARING RESULTING TONIGHT. ALSO...THE WINDS WILL TURN
AROUND TO THE NORTHWEST BUT CONTINUE TO BE BLUSTERY. MONDAY LOOKS LIKE
A PARTLY CLOUDY DAY WITH DIMINISHING WINDS BUT COOLER TEMPERATURES.

THE NEXT STATEMENT WILL BE ISSUED BY 11 AM.

Special weather statement, Dec 5, 7:33 AM EST, 7 minutes before

NYZ067>081-NJZ001>014-051600-

SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
730 AM EST SUN DEC 5 1993

...A FLOOD WATCH REMAINS IN EFFECT FOR TODAY FOR ALL OF THE NORTHERN
HALF OF NEW JERSEY AS WELL AS SOUTHEASTERN NEW YORK...INCLUDING LONG
ISLAND AND NEW YORK CITY AS WELL AS WESTCHESTER... ROCKLAND...PUTNAM
...AND ORANGE COUNTIES...

RAIN CONTINUES THIS SUNDAY MORNING FROM A SLOW-MOVING BUT INTENSIFYING
STORM CENTERED OVER VIRGINIA. RAIN INCREASED IN INTENSITY OVERNIGHT AS
THE ENERGY FROM THIS STORM SURGED NORTHWARD. RAIN AMOUNTS HAVE BEEN
GENERALLY 1 1/4 TO AROUND 2 INCHES SINCE RAIN BEGAN SATURDAY...AND AN
ADDITIONAL 1/2 TO 1 INCH...LOCALLY 1 1/2 INCHES...WILL OCCUR TODAY.
RAIN IS EXPECTED TO TAPER OFF LATER THIS AFTERNOON OR BY THIS EVENING
AS THE STORM/S CENTER MOVES TO JUST SOUTH AND EAST OF NEW YORK CITY
LATER TODAY.

SMALL STREAMS AND CREEKS IN THE AREA COULD RISE TO NEAR BANKFULL THIS
MORNING...AND SOME OF THEM MAY OVERFLOW THEIR BANKS SO AREA RESIDENTS
WHO LIVE NEAR FLOOD-PRONE STREAMS SHOULD BE ON THE LOOKOUT FOR RISING
WATERS THIS MORNING. AMONG THE LARGER RIVERS...THE SAW MILL AND BRONX
RIVERS IN WESTCHESTER COUNTY WILL ALSO BEAR WATCHING.

AT 730 AM...RADAR INDICATED THAT AREAS OF MODERATELY HEAVY TO HEAVY
RAIN WERE EMBEDDED WITHIN THE GENERAL LIGHT RAIN THAT COVERED THE
REGION...AND THE RAIN WAS MOVING NORTHEAST AROUND 35 MILES AN HOUR.

RAIN TOTALS THROUGH 7 AM INCLUDE...1.81 INCHES AT CENTRAL PARK...1.70
INCHES AT NEWARK AIRPORT...1.50 INCHES AT LAGUARDIA...1.25 INCHES AT
JFK...AND 1.42 INCHES AT MACARTHUR AIRPORT AT ISLIP. AUTOMATED RAIN
GAGES IN NORTHERN NEW JERSEY SHOWED THE HIGHEST AMOUNTS WERE 2.20
INCHES AT BOONTON AND 2.26 INCHES AT MORRIS PLAINS. OTHER LOCATIONS
INDICATED GENERALLY BETWEEN 1 AND 2 INCHES TOTAL.

MOTORISTS WILL HAVE VERY POOR DRIVING CONDITIONS DUE TO THE COPIOUS
RAINFALL OF LAST NIGHT AND THIS MORNING. FLOODED UNDERPASSES AND
CLOGGED DRAINS WILL IMPAIR DRIVING...AND MOTORISTS SHOULD WATCH OUT
FOR PONDING OF WATER. DON/T DRIVE THROUGH FLOODED ROADS...YOU NEVER
KNOW FOR SURE JUST HOW DEEP THAT WATER IS...AND YOU COULD GET STALLED
OR WORSE.

WINDS ARE EXPECTED TO TURN AROUND FROM SOUTH TO NORTHEAST DURING THIS
MORNING...AND THIS MAY CAUSE SOME MINOR COASTAL FLOODING AT TIMES OF
HIGH TIDE...WHICH WOULD BE AROUND MIDDAY OR EARLY AFTERNOON DEPENDING
ON YOUR SPECIFIC LOCATION.

THE SLOWLY DEPARTING STORM SHOULD TAKE THE RAIN AWAY LATER TODAY...
WITH PARTIAL CLEARING RESULTING TONIGHT. ALSO...THE WINDS WILL TURN
AROUND TO THE NORTHWEST BUT CONTINUE TO BE BLUSTERY. MONDAY LOOKS LIKE
A PARTLY CLOUDY DAY WITH DIMINISHING WINDS BUT COOLER TEMPERATURES.

THE NEXT STATEMENT WILL BE ISSUED BY 11 AM.

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 5, 12:15 PM EST	Flash Flood Warning	OKX	Suffolk	3 hr

Nearby

Flash Flood Warnings in New Jersey, 1993 Every 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.