Alert archive / Pennsylvania / Flash Flood Warnings in 2007

Flash Flood Warning 36, NWS Philadelphia/Mount Holly

August 25, 2007Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 25, 2007, 8:55 PM EDT for Carbon County, Pennsylvania. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 25, 2007, 8:55 PM EDT (00:55 UTC)
Expired
Aug 26, 2007, 12:45 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 144 km from the middle of the area, began a volume at 00:59 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.

What was reported inside it

TimeReportWhereRemark
Aug 25, 9:58 PM EDTFLASH FLOOD5 Ne Lehighton, PAROAD FLOODING THROUGHOUT FRANKLIN TOWNSHIP.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 239 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2007-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 620 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2007-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
620 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
1398 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KPHI 260055
FFWPHI
PAC025-260445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
855 PM EDT SAT AUG 25 2007

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CARBON COUNTY IN NORTHEAST PENNSYLVANIA...

* UNTIL 1245 AM EDT

* AT 850 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM WITH HEAVY RAIN ALONG BLUE MOUNTAIN AND ANOTHER 
  THUNDERSTORM WITH HEAVY RAIN APPROACHING FROM SCHUYLKILL COUNTY.
  PARTS OF SOUTHERN CARBON COUNTY HAVE ALREADY RECEIVED TWO TO THREE
  INCHES OF RAIN THIS EVENING.  ANOTHER TWO INCHES OF RAIN IS
  POSSIBLE BETWEEN 9:00 PM AND 10:00 PM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
  MAHONING...BELTZVILLE STATE PARK...PENN FOREST RESERVOIR...
  ALBRIGHTSVILLE...CHRISTMANS...PALMERTON...NESQUEHONING...
  LEHIGHTON AND JIM THORPE

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 4095 7555 4095 7557 4094 7557 4086 7550
      4082 7549 4079 7560 4078 7568 4073 7577
      4082 7591 4083 7591 4103 7558
TIME...MOT...LOC 0051Z 180DEG 0KT 4067 7609

$$

IOVINO

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 8:00 PM EDTSevere Thunderstorm WarningPHIBerks60 min
Aug 25, 8:17 PM EDTSevere Thunderstorm WarningPHIChester58 min
Aug 25, 8:55 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh65 min
Aug 25, 9:20 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton55 min

Nearby

Flash Flood Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.