Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 3, NWS Philadelphia/Mount Holly

April 10, 2013Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 10, 2013, 5:25 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 65 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 10, 2013, 5:25 PM EDT (21:25 UTC)
Expired
Apr 10, 2013, 6:30 PM EDT
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 137 km from the middle of the area, began a volume at 21:26 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
Apr 10, 5:30 PM EDTHAIL 1Canadensis, PA
Apr 10, 6:00 PM EDTHAIL 1East Stroudsburg, PA

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

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.4 hours before the alert went out and 183 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Phillips Aaf/Abe, MD at 12:00Z on 2013-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
1 J/kg
Mixed-layer CIN
-437 J/kg
Mixed-layer LCL
1938 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
181 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.

141 
WUUS51 KPHI 102125
SVRPHI
PAC025-089-102230-
/O.NEW.KPHI.SV.W.0003.130410T2125Z-130410T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
525 PM EDT WED APR 10 2013

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...
  MONROE COUNTY IN NORTHEAST PENNSYLVANIA...

* UNTIL 630 PM EDT

* AT 519 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS   
  IN EXCESS OF 60 MPH. ONE STORM IN THIS LINE WAS LOCATED 9 MILES    
  WEST OF BLAKESLEE...OR 7 MILES EAST OF MOUNTAIN TOP...AND MOVING   
  EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ARROWHEAD LAKE AND BLAKESLEE AROUND 530 PM EDT...
  POCONO PINES AND GOULSBORO STATE PARK AROUND 535 PM EDT...
  TOBYHANNA AND MOUNT POCONO AROUND 540 PM EDT...
  MOUNTAINHOME...PARADISE VALLEY AND CANADENSIS AROUND 545 PM EDT...
  CANADENSIS AROUND 550 PM EDT...

DANGEROUS CLOUD TO GROUND LIGHTNING CAN ALSO BE EXPECTED WITH THESE 
STORMS AS THEY MOVE FROM THROUGH FROM THE WEST LATE THIS AFTERNOON 
AND EARLY THIS EVENING.


LAT...LON 4116 7515 4114 7508 4109 7503 4109 7496
      4099 7513 4095 7515 4093 7521 4086 7529
      4078 7568 4074 7576 4091 7598 4100 7575
      4102 7574 4105 7578 4110 7576 4114 7569
      4113 7564 4123 7554 4126 7513
TIME...MOT...LOC 2123Z 268DEG 47KT 4114 7568

$$

JJM
1 follow-up statement
980 
WWUS51 KPHI 102149
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
549 PM EDT WED APR 10 2013

PAC025-089-102230-
/O.CON.KPHI.SV.W.0003.000000T0000Z-130410T2230Z/
MONROE PA-CARBON PA-
549 PM EDT WED APR 10 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR CARBON AND MONROE COUNTIES...

AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN 
EXCESS OF 60 MPH.  ONE SUCH STORM WAS LOCATED NEAR SCOTRUN...OR 14 
MILES SOUTHEAST OF GOULDSBORO...MOVING SOUTHEAST AT 45 MPH.

THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ANALOMINK...EAST STROUDSBURG...ARLINGTON HEIGHTS AND STROUDSBURG BY
  555 PM EDT...
  SHAWNEE...MARSHALLS CREEK...DELAWARE WATER GAP AND ECHO LAKE BY 600
  PM EDT...
  HIDDEN LAKE AND WERRY LAKE BY 605 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4116 7515 4114 7508 4109 7503 4109 7496
      4099 7513 4095 7515 4093 7521 4086 7529
      4078 7568 4074 7576 4091 7598 4100 7575
      4102 7574 4105 7578 4110 7576 4114 7569
      4113 7564 4123 7554 4126 7513
TIME...MOT...LOC 2148Z 294DEG 40KT 4107 7528

$$

JJM

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 4:53 PM EDTSpecial Weather StatementPHICarbon, Monroe112 min
Apr 10, 6:21 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton54 min
Apr 10, 6:56 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton49 min
Apr 10, 7:41 PM EDTSpecial Weather StatementPHIBucks, Chester, Montgomery64 min
Apr 10, 7:44 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Delaware, Montgomery46 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013

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.