Alert archive / New Jersey / Flash Flood Warnings in 2004
Flash Flood Warning 16, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 12, 2004, 2:52 PM EDT for Cecil County, Maryland; 7 counties in New Jersey. It was in force for 78 days. 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 12, 2004, 2:52 PM EDT (18:52 UTC)
- Expired
- Sep 28, 2004, 8:45 PM EDT
- In force
- 78 days
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Cecil County, MD, 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 18:55 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, 6.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 101 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 121853 FFWPHI MDC015-122045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 252 PM EDT MON JUL 12 2004 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CECIL COUNTY IN NORTHEAST MARYLAND * UNTIL 445 PM EDT * AT 247 PM EDT...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM NEAR NORTH EAST...OR ABOUT 14 MILES SOUTHWEST OF NEWARK...MOVING NORTHEAST AT 20 MPH. 2 TO 3 INCHES OF RAIN HAS FALLEN IN SOME LOCATIONS SINCE RAIN BEGAN EARLIER TODAY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL IS CAUSING FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. LAT...LON 3959 7609 3944 7597 3941 7578 3966 7580 $$ JJM
1 follow-up statement
000
WGUS51 KPHI 282046
FFWPHI
NJC019-021-023-027-035-037-041-290045-
/X.NEW.KPHI.FF.W.0016.040928T2044Z-040929T0045Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
444 PM EDT TUE SEP 28 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY
MORRIS COUNTY IN NORTHERN NEW JERSEY
SOMERSET COUNTY IN NORTHERN NEW JERSEY
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
SUSSEX COUNTY IN NORTHWEST NEW JERSEY
WARREN COUNTY IN NORTHWEST NEW JERSEY
* UNTIL 845 PM EDT
* AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LARGE AREA OF HEAVY RAIN THROUGHOUT CENTRAL AND NORTHERN
NEW JERSEY. MORE RAIN IS ON THE WAY. FLOODING...ESPECIALLY IN LOW
LYING AREAS AND IN AREAS OF POOR DRAINAGE...IS EXPECTED THROUGH A
GOOD PORTION OF THE EVENING HOURS. SMALL STREAM FLOODING IS ALSO
EXPECTED.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
LAT...LON 4054 7506 4023 7464 4042 7431 4095 7434
4130 7471 4101 7502 4070 7510
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:50 AM EDT | Flash Flood Warning | PHI | Cecil | 68 days |
| Jul 12, 8:28 AM EDT | Flash Flood Warning | PHI | Cecil, Kent, Queen Anne's | 78 days |
| Jul 12, 1:09 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 51 min |
| Jul 12, 1:17 PM EDT | Tornado Warning | PHI | Cecil | 43 min |
| Jul 12, 4:49 PM EDT | Flash Flood Warning | PHI | Cecil | 78 days |
| Jul 12, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 49 min |
| Jul 12, 5:45 PM EDT | Flash Flood Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 78 days |
| Jul 12, 6:51 PM EDT | Flash Flood Warning | PHI | Cecil | 78 days |
Nearby
Flash Flood Warnings in New Jersey, 2004Flash Flood Warnings in Maryland, 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.