Alert archive / Pennsylvania / Flash Flood Warnings in 2004
Flash Flood Warning 98, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 28, 2004, 4:55 PM EDT for Carbon County, Monroe County, Pennsylvania. 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
- Sep 28, 2004, 4:55 PM EDT (20:55 UTC)
- Expired
- Sep 28, 2004, 9:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 138 km from the middle of the area, began a volume at 20:57 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.9 hours before the alert went out and 176 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
- 95 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 282059
FFWPHI
PAC025-089-290100-
/X.NEW.KPHI.FF.W.0017.040928T2055Z-040929T0100Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
455 PM EDT TUE SEP 28 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CARBON COUNTY IN NORTHEAST PENNSYLVANIA
MONROE COUNTY IN NORTHEAST PENNSYLVANIA
* UNTIL 900 PM EDT
* AT 450 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
CONTINUING RAIN IN BOTH CARBON AND MONROE COUNTIES. MORE RAIN IS
ON THE WAY. FLOODING OF SMALL STREAMS AND URBAN AND POOR DRAINAGE
AREAS CAN BE EXPECTED THROUGH THE EVENING HOURS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POCONO
PINES...MOUNTAINHOME AND MOUNT POCONO.
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 4080 7580 4090 7532 4104 7510 4121 7519
4121 7540 4113 7570 4102 7573 4089 7591
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 12:48 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 3 hr |
| Sep 28, 3:55 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Sep 28, 4:16 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 3 hr |
| Sep 28, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 79 min |
| Sep 28, 5:11 PM EDT | Flash Flood Warning | PHI | Philadelphia | 3 hr |
| Sep 28, 6:05 PM EDT | Special Marine Warning | PHI | 115 min | |
| Sep 28, 6:47 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 3 hr |
| Sep 28, 7:11 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 6 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 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.