Alert archive / Pennsylvania / Flash Flood Warnings in 2005
Flash Flood Warning 27, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Oct 8, 2005, 7:10 PM EDT for Delaware County, Montgomery County, Philadelphia County, Pennsylvania; Gloucester County, New Jersey. 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
- Oct 8, 2005, 7:10 PM EDT (23:10 UTC)
- Expired
- Oct 8, 2005, 10:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Gloucester County, NJ, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 23:10 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.2 hours before the alert went out and 213 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
- 3 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 451 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 118 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 082312
FFWPHI
NJC015-PAC045-091-101-090215-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
710 PM EDT SAT OCT 8 2005
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA
WESTERN AND CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY
* UNTIL 1015 PM EDT
* AT 706 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED RAINFALL RATES
EXCEEDING 2 INCHES AN HOUR OVER THE WARNED AREA.
THIS FLASH FLOOD WARNING REPLACES THE PREVIOUSLY ISSUED URBAN AND
SMALL STREAM ADVISORY DUE TO THE EXCESSIVELY HEAVY RAINFALL RATES.
DO NOT DRIVE CARS AROUND BARRICADES OR THROUGH FLOODED AREAS. TURN
AROUND DONT DROWN.
LAT...LON 3973 7534 3966 7521 3988 7517 4012 7506
4012 7521
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 8, 5:10 AM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 6 hr |
| Oct 8, 6:30 AM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Northampton | 6 hr |
| Oct 8, 7:30 PM EDT | Flash Flood Warning | PHI | Berks | 30 min |
| Oct 8, 7:30 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Oct 8, 7:28 AM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Sussex, Warren | 6 hr |
| Oct 8, 7:29 PM EDT | Flash Flood Warning | PHI | Mercer, Morris, Somerset | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2005Flash 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.