Alert archive / New Jersey / Flash Flood Warnings in 2004
Flash Flood Warning 93, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 28, 2004, 12:48 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. 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 outline as issued.
The facts
- Issued
- Sep 28, 2004, 12:48 PM EDT (16:48 UTC)
- Expired
- Sep 28, 2004, 3:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 127 km from the middle of the area, began a volume at 16:48 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 4.8 hours before the alert went out and 178 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
- 95 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KPHI 281649 FFWPHI NJC037-041-PAC089-095-281945- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1248 PM EDT TUE SEP 28 2004 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA MONROE COUNTY IN NORTHEAST PENNSYLVANIA SOUTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY WARREN COUNTY IN NORTHWEST NEW JERSEY * UNTIL 345 PM EDT * AT 1242 PM EDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING FROM CONTINUED HEAVY RAIN OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WIND GAP... POCONO PINES...MOUNTAINHOME...MOUNT POCONO...EAST STROUDSBURG... EAST BANGOR...BRODHEADSVILLE...BELFAST...SUSSEX...OXFORD... NEWTON...FRANKLIN...CRANDON LAKES...BRANCHVILLE...BLAIRSTOWN... BELVIDERE AND ANDOVER. 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. TURN AROUND, DONT DROWN. MUD AND ROCK SLIDES ARE POSSIBLE IN HILLY TERRAIN. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 4074 7550 4071 7505 4122 7442 4117 7553 $$ WN
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 4:11 PM EDT | Tornado Warning | PHI | Salem | 34 min |
| Sep 28, 4:44 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more | 4 hr |
| Sep 28, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 53 min |
| Sep 28, 7:41 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 2 more | 6 hr |
| Sep 28, 3:55 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Sep 28, 4:16 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 3 hr |
| Sep 28, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 79 min |
| Sep 28, 4:55 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| Sep 28, 5:11 PM EDT | Flash Flood Warning | PHI | Philadelphia | 3 hr |
| Sep 28, 6:05 PM EDT | Special Marine Warning | PHI | 115 min | |
| Sep 28, 6:47 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Sep 28, 7:11 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 6 hr |
Nearby
Flash Flood Warnings in New Jersey, 2004Flash Flood Warnings in Pennsylvania, 2004Every flash flood warning in 2004
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.