Alert archive / New Jersey / Flash Flood Warnings in 1993

Flash Flood Warning 4, NWS Philadelphia/Mount Holly

March 17, 1993Camden County, New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Mar 17, 1993, 6:15 PM EST for Camden County, New Jersey. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 17, 1993, 6:15 PM EST (23:15 UTC)
Expired
Mar 18, 1993, 12:15 AM EST
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Camden County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 11.3 hours before the alert went out and 56 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, Atlantic City In, NJ at 12:00Z on 1993-03-17Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Atlantic City In, NJ at 12:00Z on 1993-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 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
989 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
318 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 172339 COR
FFWPHL
NJC007-180515-

BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE PHILADELPHIA PA
615 PM EST WED MAR 17 1993

THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 1215 AM EST FOR PEOPLE IN
THE FOLLOWING LOCATION IN SOUTH NEW JERSEY...

CAMDEN COUNTY

AT 615 PM...THE LEVEL OF THE COOPER RIVER AT THE HADDONFIELD GAGE
WAS 2.73 FT AND IT WAS RISING. THE FLOOD STAGE AT HADDONFIELD IS
2.8 FT. THE RIVER IS EXPECTED TO CONTINUE TO RISE DURING THE NEXT
3 TO 4 HOURS DUE TO TODAY/S RAIN AND SNOW MELT. THE RAIN IS FORECAST
TO END IN CAMDEN COUNTY AROUND 8 PM.

THE COOPER RIVER IS EXPECTED TO CREST AT HADDONFIELD BETWEEN 3.0
AND 3.1 FEET AT AROUND 9 OR 10 PM. THIS SHOULD RESULT IN ONLY
MINOR FLOODING. THE RIVER SHOULD RETURN TO ITS BANKS BY AROUND
MIDNIGHT.

IOVINO

$$

CORRECTED TO INCLUDE EBS ACTIVATION

Nearby

Flash Flood Warnings in New Jersey, 1993Every 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.