Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 179, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2007, 1:15 AM EDT for Carbon County, Pennsylvania. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2007, 1:15 AM EDT (05:15 UTC)
- Expired
- Aug 8, 2007, 2:15 AM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Carbon County, PA
The radar
The Binghamton radar (KBGM), 152 km from the middle of the area, began a volume at 05:02 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, 5.3 hours before the alert went out and 246 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
- 98 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 080515 SVRPHI PAC025-080615- /O.NEW.KPHI.SV.W.0179.070808T0515Z-070808T0615Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 115 AM EDT WED AUG 8 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CARBON COUNTY IN NORTHEAST PENNSYLVANIA... * UNTIL 215 AM EDT * AT 112 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 8 MILES WEST OF NEW MAHONING...OR ABOUT 29 MILES NORTHWEST OF ALLENTOWN... AND MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEW MAHONING AND NESQUEHONING BY 130 AM EDT... LEHIGHTON AND JIM THORPE BY 145 AM EDT... PALMERTON BY 200 AM EDT... THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE WATER IS CROSSING THE ROAD. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4087 7596 4075 7579 4081 7556 4091 7566 $$ RNS
1 follow-up statement
000 WWUS51 KPHI 080550 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 148 AM EDT WED AUG 8 2007 PAC025-080615- /O.CON.KPHI.SV.W.0179.000000T0000Z-070808T0615Z/ CARBON PA- 148 AM EDT WED AUG 8 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM EDT FOR CARBON COUNTY... AT 148 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BOWMANSTOWN...OR ABOUT 17 MILES NORTHWEST OF ALLENTOWN...MOVING EAST AT 20 MPH. AT 148 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ALSO SHOWED A POSSIBLE SEVERE THUNDERSTORM MOVING INTO NORTHWEST CARBON COUNTY. THIS THUNDERSTORM WAS MOVING EAST TO SOUTHEAST AT 20 MPH AND WILL MOVE ACROSS THE NORTHERN PART OF THE COUNTY. TORRENTIAL DOWNPOURS WILL ACCOMPANY ANY THUNDERSTORMS AND COULD CAUSE FLOODING IN POOR DRAINAGE AREAS. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4090 7601 4073 7576 4083 7551 4107 7570 $$ RNS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:42 AM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 63 min |
| Aug 8, 2:09 AM EDT | Severe Thunderstorm Warning | PHI | Carbon | 40 min |
| Aug 8, 2:57 AM EDT | Severe Thunderstorm Warning | PHI | Northampton | 18 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2007Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.