Alert archive / New Jersey / Flash Flood Warnings in 2005
Flash Flood Warning 16, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 17, 2005, 11:53 PM EDT for Middlesex County, 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
- Jul 17, 2005, 11:53 PM EDT (03:53 UTC)
- Expired
- Jul 18, 2005, 3:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Middlesex County, NJ
The radar
The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 03:53 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 00:00Z, 3.9 hours before the alert went out and 143 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
- 380 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 64 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 180353 FFWPHI NJC023-180745- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1153 PM EDT SUN JUL 17 2005 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY * UNTIL 345 AM EDT * AT 1141 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING WAS OCCURRING ALONG THE MANALAPAN BROOK IN THE VICINITY OF SPOTSWOOD, JAMESBURG AND HELMETTA. EVACUATIONS OF HOMES IN THE AREA WERE OCCURRING...AND SEVERAL ROADS NEAR THE AREA WERE FLOODED. AS OF 1130 PM EDT...THE RIVER STAGE AT SPOTSWOOD WAS 20.3 FEET AND IT WAS STILL RISING. FLOODING BEGINS AT 19.0 FEET. ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE WITH THUNDERSTORMS ADVANCING FROM SOUTHWESTERN MONMOUTH COUNTY TOWARD SOUTHEASTERN MIDDLESEX COUNTY WHERE THE MANALPAN BROOK RUNS. IF THESE THUNDERSTORMS MISS THE AREA...THE STAGE AT SPOTSWOOD LIKELY WOULD CREST BETWEEN 20.5 FEET AND 21.0 FEET AT AROUND 200 AM EDT MONDAY. IF THE THUNDERSTORMS MOVE OVER THE AREA...FLOODING WOULD BE EXACERBATED WITH A POSSIBLE CREST ABOVE 21.0 FEET LATER DURING THE PREDAWN HOURS. PLEASE LISTEN TO LOCAL AND COUNTY OFFICIALS AND ACT QUICKLY IF THEY TELL YOU TO EVACUATE. THIS IS A SERIOUS FLOODING SITUATION. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. AGAIN, 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. TURN AROUND, DONT DROWN. LAT...LON 4026 7445 4043 7425 4047 7434 4032 7459 $$ MPD
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 3:17 PM EDT | Flash Flood Warning | PHI | Ocean | 3 hr |
Nearby
Flash Flood Warnings in New Jersey, 2005Every flash flood warning in 2005
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.