Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 40, NWS Philadelphia/Mount Holly

June 19, 2017Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2017, 2:53 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 52 min. 1 report 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
Jun 19, 2017, 2:53 PM EDT (18:53 UTC)
Expired
Jun 19, 2017, 3:45 PM EDT
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 144 km from the middle of the area, began a volume at 18:57 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.

What was reported inside it

TimeReportWhereRemark
Jun 19, 3:18 PM EDTTSTM WND DMGFranklin Twp, PATREES DOWN AT ROUTE 209 AND CANAL STREET INTERSECTION.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 19, 11:13 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 240 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 2017-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1007 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 12:00Z on 2017-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 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
1007 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

083 
WUUS51 KPHI 191853
SVRPHI
PAC025-089-191945-
/O.NEW.KPHI.SV.W.0040.170619T1853Z-170619T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
253 PM EDT MON JUN 19 2017

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Carbon County in northeastern Pennsylvania...
  Southwestern Monroe County in northeastern Pennsylvania...

* Until 345 PM EDT

* At 253 PM EDT, a severe thunderstorm was located over Tamaqua,
  moving northeast at 25 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Lehighton, Palmerton, Jim Thorpe, Nesquehoning, Weatherly, New
  Mahoning, Kunkletown, Beltzville State Park, Penn Forest Reservoir,
  Albrightsville, Kresgeville, Christmans, Lansford, Summit Hill,
  Bowmanstown, Beaver Meadows, Parryville, Weissport, Trachsville and
  Fiddletown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds...frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember...if you can hear thunder...you are close
enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4109 7564 4083 7541 4081 7554 4078 7562
      4078 7567 4073 7576 4081 7588 4091 7599
      4098 7582 4098 7580 4101 7573 4103 7574
      4103 7576
TIME...MOT...LOC 1853Z 240DEG 24KT 4079 7591 

HAIL...<.75IN
WIND...60MPH
 
$$

Meola
2 follow-up statements
604 
WWUS51 KPHI 191915
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
315 PM EDT MON JUN 19 2017

PAC025-089-191945-
/O.CON.KPHI.SV.W.0040.000000T0000Z-170619T1945Z/
Carbon PA-Monroe PA-
315 PM EDT MON JUN 19 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN CARBON AND SOUTHWESTERN MONROE COUNTIES...

At 314 PM EDT, a severe thunderstorm was located over Jim Thorpe, or
over Lehighton, moving northeast at 30 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Lehighton, Palmerton, Jim Thorpe, New Mahoning, Kunkletown,
Beltzville State Park, Penn Forest Reservoir, Albrightsville,
Kresgeville, Christmans, Bowmanstown, Parryville, Weissport,
Trachsville, Weissport East and Fiddletown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4103 7559 4083 7541 4081 7554 4078 7562
      4078 7567 4073 7576 4080 7584 4089 7579
      4095 7578
TIME...MOT...LOC 1914Z 240DEG 24KT 4086 7575 

HAIL...<.75IN
WIND...60MPH
 
$$

Meola
711 
WWUS51 KPHI 191938
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
338 PM EDT MON JUN 19 2017

PAC025-089-191947-
/O.EXP.KPHI.SV.W.0040.000000T0000Z-170619T1945Z/
Carbon PA-Monroe PA-
338 PM EDT MON JUN 19 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARBON AND
SOUTHWESTERN MONROE COUNTIES WILL EXPIRE AT 345 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A severe thunderstorm watch remains in effect until 800 PM EDT for
eastern and northeastern Pennsylvania.

LAT...LON 4103 7559 4083 7541 4081 7554 4078 7562
      4078 7567 4073 7576 4080 7584 4089 7579
      4095 7578
TIME...MOT...LOC 1937Z 240DEG 24KT 4094 7558 

$$

Meola

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 12:24 PM EDTSpecial Weather StatementPHIMonroe21 min
Jun 19, 12:44 PM EDTSpecial Weather StatementPHICarbon31 min
Jun 19, 12:46 PM EDTSpecial Weather StatementPHIBerks29 min
Jun 19, 12:55 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe50 min
Jun 19, 1:25 PM EDTSpecial Weather StatementPHILehigh35 min
Jun 19, 1:29 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton4 hr
Jun 19, 1:42 PM EDTSpecial Weather StatementPHIBerks63 min
Jun 19, 2:08 PM EDTSevere Thunderstorm WarningPHIBerks52 min
Jun 19, 2:20 PM EDTSpecial Weather StatementPHINorthampton40 min
Jun 19, 2:25 PM EDTSpecial Weather StatementPHIBerks50 min
Jun 19, 2:38 PM EDTSpecial Weather StatementPHIPhiladelphia22 min
Jun 19, 2:43 PM EDTSpecial Weather StatementPHIBerks, Lehigh, Northampton47 min
Jun 19, 2:49 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh, Montgomery, Northampton41 min
Jun 19, 2:57 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton48 min
Jun 19, 3:08 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery52 min
Jun 19, 3:17 PM EDTFlash Flood WarningPHIMonroe3 hr
Jun 19, 3:24 PM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton3 hr
Jun 19, 3:25 PM EDTSpecial Weather StatementPHIChester50 min
Jun 19, 3:35 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Chester, Delaware, Montgomery, Philadelphia3 hr
Jun 19, 3:35 PM EDTSevere Thunderstorm WarningPHILehigh, Monroe, Northampton25 min
Jun 19, 3:53 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton37 min
Jun 19, 3:56 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton49 min
Jun 19, 4:07 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery38 min
Jun 19, 4:07 PM EDTSevere Thunderstorm WarningPHIDelaware38 min
Jun 19, 4:34 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia41 min
Jun 19, 5:09 PM EDTSevere Thunderstorm WarningPHIBucks, Philadelphia51 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2017Every severe thunderstorm warning in 2017

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.