Alert archive / New Jersey / Flash Flood Warnings in 2001
Flash Flood Warning 37, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 4, 2001, 6:42 PM EDT for Monmouth County, New Jersey. It was in force for 2 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
- Aug 4, 2001, 6:42 PM EDT (22:42 UTC)
- Expired
- Aug 4, 2001, 8:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 44 km from the middle of the area, began a volume at 22:45 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, 10.7 hours before the alert went out and 127 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
- 328 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 949 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- -14 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 042246 FFWPHI NJC025-050045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 642 PM EDT SAT AUG 4 2001 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY * UNTIL 845 PM EDT. * AT 640 PM EDT...WEATHER SERVICE RADAR INDICATED THAT THERE WAS STILL SOME RESIDUAL SHOWERS AND THUNDERSTORMS TO MOVE THROUGH THE REGION. IT APPEARS THE HEAVIEST PRECIPITATION WITH THIS BATCH SHOULD MOVE WEST OF THE WARNING AREA. DOPPLER RADAR STORM TOTAL ESTIMATES ARE AROUND 6 INCHES IN SOUTHWEST MONMOUTH COUNTY. STATE POLICE REPORTED MANY ROADS WERE FLOODED. * SOME LOCATIONS AFFECTED INCLUDE... WEST FREEHOLD... A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. 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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE 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 4029 7428 4019 7432 4011 7456 4017 7461
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 4:42 PM EDT | Flash Flood Warning | PHI | Ocean | 2 hr |
| Aug 4, 4:56 PM EDT | Flash Flood Warning | PHI | Monmouth | 2 hr |
| Aug 4, 7:19 PM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
Nearby
Flash Flood Warnings in New Jersey, 2001Every flash flood warning in 2001
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.