Alert archive / New Jersey / Flash Flood Warnings in 1997
Flash Flood Warning 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 20, 1997, 11:34 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 3 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
- Aug 20, 1997, 11:34 PM EDT (03:34 UTC)
- Expired
- Aug 21, 1997, 2:35 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 03:34 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 00:00Z, 3.6 hours before the alert went out and 188 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1446 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 210336 FFWPHL NJC001-005-011-029-210635- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 1134 PM EDT WED AUG 20 1997 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 235 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NEW JERSEY ...SOUTHEASTERN BURLINGTON COUNTY ...OCEAN COUNTY ...CUMBERLAND COUNTY ...ATLANTIC COUNTY THUNDERSTORMS WITH HEAVY RAIN HAVE PRODUCED TWO TO THREE INCHES OF RAIN IN ONE HOUR. TWO INCHES OF RAIN HAS FALLEN WITHIN THE LAST HALF HOUR AT ATLANTIC CITY INTERNATIONAL AIRPORT. THIS HEAVY RAIN...IN COMBINATION WITH HIGH TIDE...IS PRODUCING FLOODING ALONG COASTAL SECTIONS OF SOUTHERN NEW JERSEY. IF YOU ARE IN AN AREA PRONE TO FLOODING...MOVE TO HIGHER GROUND IMMEDIATELY...BEFORE YOUR ACCESS IS CUT OFF BY RISING FLOOD WATERS. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE WATER MAY BE DEEPER THAN YOU THINK. RAPIDLY RISING WATERS CAN QUICKLY ENGULF YOUR VEHICLE AND ITS OCCUPANTS. IF YOUR VEHICLE STALLS...ABANDON IT AND SEEK HIGHER GROUND QUICKLY. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISIHON STATIONS...OR YOUR CABLE TELEVISION OUTLET. JJM/TFG &
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 11:34 PM EDT | Flash Flood Warning | PHI | Cumberland | 3 hr |
| Aug 21, 2:12 AM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 3 hr |
| Aug 21, 2:12 AM EDT | Flash Flood Warning | PHI | Ocean | 3 hr |
| Aug 21, 5:00 AM EDT | Flash Flood Warning | PHI | Atlantic, Ocean | 3 hr |
| Aug 21, 5:00 AM EDT | Flash Flood Warning | PHI | Cumberland | 3 hr |
| Aug 21, 8:00 AM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland, Ocean | 3 hr |
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; radar from the NEXRAD Level II archive.