Alert archive / New Jersey / Flash Flood Warnings in 1997

Flash Flood Warning 10, NWS New York, NY

July 25, 1997Union County, New Jersey

NWS New York, NY issued this flash flood warning at Jul 25, 1997, 2:20 AM EDT for Union County, New Jersey. It was in force for 10 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
Jul 25, 1997, 2:20 AM EDT (06:20 UTC)
Expired
Jul 25, 1997, 12:00 PM EDT
In force
10 hr
Issued by
NWS New York, NY
Area
Whole counties

County Union County, NJ

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 6.3 hours before the alert went out and 124 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 00:00Z on 1997-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 1997-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.193958Sfc1 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
551 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
254 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 250621
FFWNYC
NJC039-251600-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
220 AM EDT FRI JUL 25 1997

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL NOON EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST NEW JERSEY

   ...UNION COUNTY

STORM TOTAL PRECIPITATION OF FOUR TO FIVE INCHES OF RAIN HAS FALLEN
ACROSS MUCH OF UNION COUNTY. THIS HAS CAUSED MANY SMALL RIVERS AND
STREAMS TO RISE TO BANKFULL. THE RIVER GAGE IN SPRINGFIELD ON THE
RAHWAY RIVER HAS RISEN TO 7.7 WHICH IS 2.2 FEET ABOVE ITS 5.5 FOOT
FLOOD STAGE.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A BATCH OF
MODERATE RAIN CONTINUES OVER THE WARNING AREA. THE COUNTY
COULD RECEIVE AN ADDITIONAL INCH OF RAIN DURING THE NEXT
SEVERAL HOURS WHICH COULD CAUSE ADDITIONAL STREAMS TO FLOOD.

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.

WOOLDRIDGE

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, Jul 24, 9:48 PM EDT, 4 hours 32 minutes before
SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND
SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
950 PM EDT THU JUL 24 1997

A FRONTAL SYSTEM EXTENDING FROM VIRGINIA AND SOUTHERN MARYLAND OUT
OVER THE OCEAN WILL MOVE SLOWLY NORTH OVERNIGHT THEN WEAKEN ON FRIDAY
AS IT REACHES OUR AREA. MOISTURE AHEAD OF THIS FRONT WAS CONTINUING
TO STREAM IN FROM OFF THE OCEAN BUT ON A REDUCED SCALE. SO WHILE THE
WIDESPREAD HEAVY RAIN HAS SLACKENED OFF...A LOCALLY HEAVY DOWNPOUR
MAY STILL OCCUR FROM TIME TO TIME.

IN ADDITION BRISK NORTHEAST WINDS MAY RAISE TIDES TO 1 FEET ABOVE
NORMAL TONIGHT. THIS MAY CAUSE MINOR COASTAL FLOODING IN A COUPLE OF
SPOTS AT THE TIMES OF HIGH TIDE. AS THE WINDS SHIFT INTO THE NORTH
LATE TONIGHT THE THREAT OF HIGHER-THAN-NORMAL TIDES AND COASTAL
FLOODING WILL DIMINISH. SCATTERED SHOWERS MAY LINGER INTO FRIDAY
MORNING BEFORE A SLOW CLEARING TREND BEGINS IN THE AFTERNOON.

AS FOR THE WEEKEND IT WILL BE BACK TO SUMMER AS THE THERMOMETER
REBOUNDS TO NEAR 90 DEGREES IN MANY PLACES...AND HUMIDITY LEVELS
BEGIN TO CREEP UP AGAIN...ESPECIALLY ON SUNDAY.

MEANWHILE TROPICAL STORM DANNY...LOCATED BWELL EAST OF THE VURGINIA
COAST...IS FORECAST TO MOVE RAPIDLY TOWARD THE EAST NORTHEAST
OVERNIGHT AND ON FRIDAY. THIS TRACK WILL KEEP THE STORM'S CENTER WELL
AWAY FROM OUR AREA...SPARING US ITS HEAVY RAIN AND STRONG WINDS.

EY
Special weather statement, Jul 24, 9:50 PM EDT, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT AND WEATHER MAP DISCUSSION
FOR EXTREME SOUTHEASTERN NEW YORK...NORTHEASTERN NEW JERSEY AND
SOUTHERN CONNECTICUT
NATIONAL WEATHER SERVICE NEW YORK NY
950 PM EDT THU JUL 24 1997

A FRONTAL SYSTEM EXTENDING FROM VIRGINIA AND SOUTHERN MARYLAND OUT
OVER THE OCEAN WILL MOVE SLOWLY NORTH OVERNIGHT THEN WEAKEN ON FRIDAY
AS IT REACHES OUR AREA. MOISTURE AHEAD OF THIS FRONT WAS CONTINUING
TO STREAM IN FROM OFF THE OCEAN BUT ON A REDUCED SCALE. SO WHILE THE
WIDESPREAD HEAVY RAIN HAS SLACKENED OFF...A LOCALLY HEAVY DOWNPOUR
MAY STILL OCCUR FROM TIME TO TIME.

IN ADDITION BRISK NORTHEAST WINDS MAY RAISE TIDES TO 1 FEET ABOVE
NORMAL TONIGHT. THIS MAY CAUSE MINOR COASTAL FLOODING IN A COUPLE OF
SPOTS AT THE TIMES OF HIGH TIDE. AS THE WINDS SHIFT INTO THE NORTH
LATE TONIGHT THE THREAT OF HIGHER-THAN-NORMAL TIDES AND COASTAL
FLOODING WILL DIMINISH. SCATTERED SHOWERS MAY LINGER INTO FRIDAY
MORNING BEFORE A SLOW CLEARING TREND BEGINS IN THE AFTERNOON.

AS FOR THE WEEKEND IT WILL BE BACK TO SUMMER AS THE THERMOMETER
REBOUNDS TO NEAR 90 DEGREES IN MANY PLACES...AND HUMIDITY LEVELS
BEGIN TO CREEP UP AGAIN...ESPECIALLY ON SUNDAY.

MEANWHILE TROPICAL STORM DANNY...LOCATED WELL EAST OF THE VURGINIA
COAST...IS FORECAST TO MOVE RAPIDLY TOWARD THE EAST NORTHEAST
OVERNIGHT AND ON FRIDAY. THIS TRACK WILL KEEP THE STORMS CENTER WELL
AWAY FROM OUR AREA...SPARING US ITS HEAVY RAIN AND STRONG WINDS.

EY

Nearby

Flash Flood Warnings in New Jersey, 1997Every flash flood warning in 1997

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.