Alert archive / New Jersey / Flash Flood Warnings in 2004
Flash Flood Warning 97, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 28, 2004, 4:44 PM EDT for 7 counties in New Jersey. It was in force for 4 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, 4:44 PM EDT (20:44 UTC)
- Expired
- Sep 28, 2004, 8:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 20:46 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, 8.7 hours before the alert went out and 162 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
- 318 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 282046
FFWPHI
NJC019-021-023-027-035-037-041-290045-
/X.NEW.KPHI.FF.W.0016.040928T2044Z-040929T0045Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
444 PM EDT TUE SEP 28 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
MORRIS COUNTY IN NORTHERN NEW JERSEY
SOMERSET COUNTY IN NORTHERN NEW JERSEY
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
SUSSEX COUNTY IN NORTHWEST NEW JERSEY
WARREN COUNTY IN NORTHWEST NEW JERSEY
* UNTIL 845 PM EDT
* AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LARGE AREA OF HEAVY RAIN THROUGHOUT CENTRAL AND NORTHERN
NEW JERSEY. MORE RAIN IS ON THE WAY. FLOODING...ESPECIALLY IN LOW
LYING AREAS AND IN AREAS OF POOR DRAINAGE...IS EXPECTED THROUGH A
GOOD PORTION OF THE EVENING HOURS. SMALL STREAM FLOODING IS ALSO
EXPECTED.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
LAT...LON 4054 7506 4023 7464 4042 7431 4095 7434
4130 7471 4101 7502 4070 7510
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 12:48 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 3 hr |
| Sep 28, 4:11 PM EDT | Tornado Warning | PHI | Salem | 34 min |
| 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 |
Nearby
Flash Flood Warnings in New Jersey, 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.