Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 378, NWS Philadelphia/Mount Holly

August 22, 2019Carbon County, Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 22, 2019, 6:01 PM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania. It was in force for 44 min. 9 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
Aug 22, 2019, 6:01 PM EDT (22:01 UTC)
Expired
Aug 22, 2019, 6:45 PM EDT
In force
44 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, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 143 km from the middle of the area, began a volume at 22:03 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 22, 6:01 PM EDTTSTM WND DMG3 S Beaver Meadows, PADOWNED TREES AND WIRES NEAR TITUS LANE AND QUAKAKE ROAD. TIME ESTIMATED FROM RADAR.
Aug 22, 6:13 PM EDTTSTM WND DMG2 Wnw Lehighton, PADOWNED TREES AND WIRES NEAR THE INTERSECTION OF BEAVER RUN DRIVE AND HEMLOCK DRIVE. TIME ESTIMATED FROM RADAR.
Aug 22, 6:15 PM EDTTSTM WND DMGJim Thorpe, PATREE AND WIRES DOWN. TIME ESTIMATED FROM RADAR.
Aug 22, 6:23 PM EDTTSTM WND DMG2 Nnw Palmerton, PADOWNED TREES AND WIRES ON GREENWOOD STREET SOUTH OF HEMLOCK STREET. TIME ESTIMATED FROM RADAR.
Aug 22, 6:25 PM EDTTSTM WND DMG2 Ssw Towamensing Twp, PADOWNED TREES AND WIRES NEAR GUN CLUB ROAD. TIME ESTIMATED FROM RADAR.
Aug 22, 6:45 PM EDTTSTM WND DMGSaylorsburg, PATREE FELL INTO A HOUSE. TIME ESTIMATED FROM RADAR.
Aug 22, 6:47 PM EDTTSTM WND DMG1 Sw Bushkill Twp, PADOWNED TREES AND WIRES NEAR SEIFERT ROAD AND MOORESTOWN ROAD. TIME ESTIMATED FROM RADAR.
Aug 22, 6:47 PM EDTTSTM WND DMG3 Sw Bushkill Twp, PADOWNED TREE IN WIRES ON STATE HIGHWAY 512 NEAR CHERRY HILL ROAD. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
Aug 22, 6:52 PM EDTTSTM WND DMG2 Wsw Plainfield Twp, PADOWNED TREE IN WIRES ON JACOBSBURG ROAD NEAR BELFAST ROAD. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.

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 12:00Z, 10.0 hours before the alert went out and 230 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 2019-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 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 2019-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
534 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

892 
WUUS51 KPHI 222201
SVRPHI
PAC025-089-095-222245-
/O.NEW.KPHI.SV.W.0378.190822T2201Z-190822T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
601 PM EDT Thu Aug 22 2019

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...
  Central Northampton County in eastern Pennsylvania...

* Until 645 PM EDT.

* At 601 PM EDT, a severe thunderstorm was located near Nesquehoning,
  or near Hazleton, moving east at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Lehighton, Bethlehem, Nazareth, Palmerton, Jim Thorpe, Pen Argyl,
  Nesquehoning, Wind Gap, Bath, Weatherly, Walnutport, Belfast,
  Steuben, Stormville, Brodheadsville, New Mahoning, Kunkletown,
  Gilbert, Rossland and Berlinsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4096 7521 4065 7529 4071 7552 4074 7553
      4072 7556 4074 7559 4079 7561 4075 7574
      4076 7580 4091 7599 4101 7573 4103 7574
      4103 7576 4104 7575
TIME...MOT...LOC 2201Z 281DEG 36KT 4090 7590 

HAIL...0.75IN
WIND...60MPH
 
$$

NC
1 follow-up statement
307 
WWUS51 KPHI 222217
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
617 PM EDT Thu Aug 22 2019

PAC025-089-095-222245-
/O.CON.KPHI.SV.W.0378.000000T0000Z-190822T2245Z/
Carbon PA-Monroe PA-Northampton PA-
617 PM EDT Thu Aug 22 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN CARBON...SOUTHWESTERN MONROE AND CENTRAL NORTHAMPTON
COUNTIES...

At 617 PM EDT, a severe thunderstorm was located over Jim Thorpe, or
near Lehighton, moving east at 40 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Lehighton, Bethlehem, Nazareth, Palmerton, Jim Thorpe, Pen Argyl,
Wind Gap, Bath, Weatherly, Walnutport, Belfast, Steuben, Stormville,
Brodheadsville, Kunkletown, Gilbert, Rossland, Berlinsville,
Albrightsville and Kresgeville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4096 7521 4065 7529 4071 7552 4074 7553
      4072 7556 4074 7559 4079 7561 4075 7574
      4084 7578 4095 7582 4101 7573 4103 7574
      4103 7576 4104 7575
TIME...MOT...LOC 2217Z 281DEG 36KT 4087 7569 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

NC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 5:49 PM EDTSpecial Weather StatementPHICarbon26 min
Aug 22, 6:43 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton47 min
Aug 22, 7:26 PM EDTSpecial Weather StatementPHIBerks34 min
Aug 22, 7:56 PM EDTSpecial Weather StatementPHIMontgomery34 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2019Every severe thunderstorm warning in 2019

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.