Alert archive / New Jersey / Flash Flood Warnings in 1996

Flash Flood Warning 52, NWS Philadelphia/Mount Holly

June 22, 1996Mercer County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 22, 1996, 7:20 PM EDT for Mercer County, New Jersey. 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
Jun 22, 1996, 7:20 PM EDT (23:20 UTC)
Expired
Jun 23, 1996, 2:00 AM EDT
In force
7 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Mercer County, NJ

The radar

The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 23:21 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, 11.3 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, Brookhaven, NY at 12:00Z on 1996-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1996-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1042 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
70 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 KPHL 222321
FFWPHL
NJC021-230600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
720 PM EDT SAT JUN 22 1996

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS
ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN  NEW JERSEY

   ...MERCER COUNTY
 
HEAVY RAINFALL DURING THE LATE AFTERNOON AND EARLY EVENING HAS CAUSED
SIGNIFICANT RISES ON THE ASSUNPINK CREEK...AS WELL AS WIDESPREAD URBAN
AND STREET FLOODING IN MERCER COUNTY.

WHILE THE STREET FLOODING WILL SUBSIDE QUICKLY AFTER THE RAIN ENDS...
THE LEVEL OF THE ASSUNPINK SHOULD CONTINUE TO RISE DURING THE NEXT
SEVERAL HOURS DUE TO RUNOFF FROM THE HEAVY RAIN.

THE GAGE ON THE ASSUNPINK AT TRENTON WAS AT A LEVEL OF 6.6 FEET
SHORTLY AFTER 700 PM.  THE CREEK IS EXPECTED TO CREST AROUND OR
SLIGHTLY ABOVE 8.0 FEET LATER THIS EVENING.

 
AVOID AREAS WHICH ARE PRONE TO FLOODING. BE E4SPECIALLY CAUTIOUS AT
NIGHT WHEN IT IS MORE DIFFICULT TO RECOGNIZE FLOOD DANGERS. IF YOU
GET CAUGHT BY FLOOD WATERS...LEAVE YOUR CAR AND GET TO HIGHER GROUND
QUICKLY. YOUR LIFE MAY DEPEND ON IT.

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 4:24 PM EDTSevere Thunderstorm WarningPHIWarren51 min
Jun 22, 4:48 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset57 min
Jun 22, 5:12 PM EDTTornado WarningPHIHunterdon33 min
Jun 22, 5:26 PM EDTSevere Thunderstorm WarningPHIWarren34 min
Jun 22, 5:37 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer68 min
Jun 22, 6:05 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean55 min
Jun 22, 6:51 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean69 min
Jun 22, 7:20 PM EDTTornado WarningPHIBurlington, Ocean40 min

Nearby

Flash Flood Warnings in New Jersey, 1996Every flash flood warning in 1996

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.