Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 90, NWS Philadelphia/Mount Holly

July 15, 2012Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 15, 2012, 6:13 PM EDT for Carbon County, Pennsylvania. It was in force for 62 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
Jul 15, 2012, 6:13 PM EDT (22:13 UTC)
Expired
Jul 15, 2012, 7:15 PM EDT
In force
62 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 145 km from the middle of the area, began a volume at 22:12 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, 10.2 hours before the alert went out and 236 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 12:00Z on 2012-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2012-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 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
88 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
97 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.

063 
WUUS51 KPHI 152213
SVRPHI
PAC025-152315-
/O.NEW.KPHI.SV.W.0090.120715T2213Z-120715T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
613 PM EDT SUN JUL 15 2012

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
  THIS INCLUDES THE CITY OF LEHIGHTON...

* UNTIL 715 PM EDT

* AT 608 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 16
  MILES WEST OF WEATHERLY...OR 22 MILES SOUTHWEST OF WILKES-BARRE...
  AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WEATHERLY AND 6 MILES NORTH OF NESQUEHONING AROUND 635 PM EDT...
  JIM THORPE AROUND 640 PM EDT...
  CHRISTMANS AND 8 MILES NORTH OF LEHIGHTON AROUND 645 PM EDT...
  BELTZVILLE STATE PARK...6 MILES SOUTH OF ALBRIGHTSVILLE AND 9 MILES
  NORTH OF PALMERTON AROUND 650 PM EDT...
  PENN FOREST RESERVOIR AROUND 655 PM EDT...

THIS STORM HAS DOWNED TREES IN LUZERNE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4105 7557 4097 7554 4094 7557 4087 7551
      4083 7549 4078 7565 4078 7568 4074 7576
      4076 7582 4091 7600 4101 7575 4103 7574
      4106 7578
TIME...MOT...LOC 2212Z 278DEG 34KT 4098 7608

$$

AMC
2 follow-up statements
882 
WWUS51 KPHI 152228
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
628 PM EDT SUN JUL 15 2012

PAC025-152315-
/O.CON.KPHI.SV.W.0090.000000T0000Z-120715T2315Z/
CARBON PA-
628 PM EDT SUN JUL 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CARBON COUNTY...

AT 623 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 14 MILES NORTH OF WEATHERLY
TO 20 MILES SOUTHWEST OF LANSFORD...OR ALONG A LINE EXTENDING FROM 8
MILES SOUTH OF WILKES-BARRE TO 28 MILES WEST OF LEHIGHTON...MOVING
EAST AT 40 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  BEAVER MEADOWS BY 635 PM EDT...
  WEATHERLY AND LANSFORD BY 640 PM EDT...
  SUMMIT HILL AND NESQUEHONING BY 645 PM EDT...
  NEW MAHONING...CHRISTMANS...ALBRIGHTSVILLE AND JIM THORPE BY 650 PM
  EDT...
  MECKESVILLE BY 655 PM EDT...

THIS STORM HAS A HISTORY OF DAMAGING WINDS WITH DOWNED TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4105 7557 4097 7554 4094 7557 4087 7551
      4083 7549 4078 7565 4078 7568 4074 7576
      4076 7582 4091 7600 4101 7575 4103 7574
      4106 7578
TIME...MOT...LOC 2227Z 278DEG 34KT 4113 7584 4069 7618

$$

AMC
174 
WWUS51 KPHI 152258
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
658 PM EDT SUN JUL 15 2012

PAC025-152315-
/O.CON.KPHI.SV.W.0090.000000T0000Z-120715T2315Z/
CARBON PA-
658 PM EDT SUN JUL 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR CARBON COUNTY...

AT 652 PM 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 LEHIGHTON...MOVING
EAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  TRACHSVILLE BY 705 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS WITH NUMEROUS 
DOWNED TREES AND POWER LINES.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4105 7557 4097 7554 4094 7557 4083 7549
      4078 7565 4078 7568 4074 7576 4075 7579
      4079 7585 4101 7575
TIME...MOT...LOC 2257Z 278DEG 34KT 4084 7566

$$

AMC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 12:51 PM EDTSpecial Weather StatementPHILehigh39 min
Jul 15, 1:31 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton59 min
Jul 15, 2:34 PM EDTSpecial Weather StatementPHIBucks56 min
Jul 15, 2:41 PM EDTSpecial Weather StatementPHICarbon64 min
Jul 15, 2:50 PM EDTSpecial Weather StatementPHICarbon55 min
Jul 15, 3:29 PM EDTSpecial Weather StatementPHIBucks61 min
Jul 15, 3:44 PM EDTExcessive Heat WarningPHIDelaware, Philadelphia4 days
Jul 15, 5:07 PM EDTSpecial Weather StatementPHICarbon, Monroe53 min
Jul 15, 5:58 PM EDTSpecial Weather StatementPHIMonroe62 min
Jul 15, 6:40 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton65 min
Jul 15, 7:04 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Monroe, Northampton56 min
Jul 15, 7:58 PM EDTSpecial Weather StatementPHIBerks, Bucks62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning in 2012

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.