Alert archive / New Jersey / Flash Flood Warnings in 2007
Flash Flood Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 20, 2007, 1:25 AM EDT for Mercer County, New Jersey. It took effect at Jun 20, 2007, 1:30 AM EDT. 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
- Jun 20, 2007, 1:25 AM EDT (05:25 UTC)
- In effect from
- Jun 20, 2007, 1:30 AM EDT
- Expired
- Jun 20, 2007, 4:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Mercer County, NJ
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 5.4 hours before the alert went out and 168 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
- 1405 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 63 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 200530 FFWPHI NJC021-200830- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 125 AM EDT WED JUN 20 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHWESTERN MERCER COUNTY IN CENTRAL NEW JERSEY... * UNTIL 430 AM EDT * AT 124 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR PENNINGTON...OR ABOUT 9 MILES NORTH OF TRENTON...MOVING NORTHEAST AT 35 MPH. OTHER SHOWERS AND THUNDERSTORMS WILL CONTINUE TO APPROACH THE AREA FROM THE SOUTHWEST DURING THE EARLY MORNING HOURS. * A LOCATION IN THE WARNED AREA THAT IS LIKELY TO FLOOD IS STONY BROOK. OTHER LOCATIONS MAY ALSO FLOOD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. MOVE TO HIGHER GROUND. LAT...LON 4023 7482 4033 7464 4040 7476 4034 7492 $$ RPW
1 follow-up statement
000 WGUS71 KPHI 200655 FFSPHI FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 254 AM EDT WED JUN 20 2007 NJC021-200704- MERCER NJ- 254 AM EDT WED JUN 20 2007 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN MERCER COUNTY... HEAVY RAIN HAD MOVED EAST OF THE AREA AS OF 245 AM. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE OVERNIGHT, BUT THEY ARE NOT EXPECTED TO CAUSE ANY ADDITIONAL RISK OF FLOODING. LAT...LON 4023 7482 4033 7464 4040 7476 4034 7492 $$ MPD
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:49 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 56 min |
Nearby
Flash Flood Warnings in New Jersey, 2007Every flash flood warning in 2007
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.