Alert archive / New Jersey / Flash Flood Warnings in 2004
Flash Flood Warning 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 27, 2004, 7:15 PM EDT for Hunterdon County, New Jersey; Bucks 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
- Jul 27, 2004, 7:15 PM EDT (23:15 UTC)
- Expired
- Jul 27, 2004, 10:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 23:15 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, 11.3 hours before the alert went out and 137 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
- 54 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 272315
FFWPHI
NJC019-PAC017-280230-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
715 PM EDT TUE JUL 27 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA
* UNTIL 1030 PM EDT
* AT 710 PM EDT...HEAVY RAINS WERE CONTINUING OVER CENTRAL BUCKS
COUNTY PENNSYLVANIA AS WELL AS HUNTERDON COUNTY NEW JERSEY...
ESEPCIALLY THE SOUTHERN HALF OF HUNTERDON COUNTY.
THUNDERSTORMS WERE MOVING NORTHEAST AROUND 15 MILES AN HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WOODSIDE...RICHBORO...QUAKERTOWN...PERKASIE...NEWTOWN...
LEVITTOWN...LANGHORNE...IVYLAND...DUBLIN...DOYLESTOWN...MILFORD...
LEBANON...HIGH BRIDGE...FRENCHTOWN...FLEMINGTON AND CALIFON.
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.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.
LAT...LON 4043 7544 4018 7504 4010 7493 4016 7479
4036 7498 4045 7480 4072 7481 4067 7502
$$
JRPThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 30 min |
| Jul 27, 4:44 PM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Jul 27, 4:49 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Jul 27, 4:57 PM EDT | Tornado Warning | PHI | Burlington, Ocean | 33 min |
| Jul 27, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 34 min |
| Jul 27, 2:59 PM EDT | Flash Flood Warning | PHI | Montgomery | 3 hr |
| Jul 27, 5:23 PM EDT | Special Marine Warning | PHI | 52 min | |
| Jul 27, 6:38 PM EDT | Flash Flood Warning | PHI | Berks, Montgomery | 4 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.