Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 30, NWS Philadelphia/Mount Holly

May 19, 2019Carbon County, Lehigh County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 19, 2019, 6:20 PM EDT for Carbon County, Lehigh County, Pennsylvania. It was in force for 40 min. 3 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
May 19, 2019, 6:20 PM EDT (22:20 UTC)
Expired
May 19, 2019, 7:00 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Carbon County, PA, Lehigh County, PA

The radar

The Binghamton radar (KBGM), 142 km from the middle of the area, began a volume at 22:19 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
May 19, 6:40 PM EDTTSTM WND DMGJim Thorpe, PATREE DOWN IN JIM THORPE TWP.
May 19, 6:48 PM EDTTSTM WND DMGTowamensing Twp, PATREE DOWN IN TOWAMENSING TWP.
May 19, 6:55 PM EDTTSTM WND DMGKidder Twp, PATREE DOWN IN KIDDER TWP.

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
May 19, 2:36 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.3 hours before the alert went out and 243 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 2019-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1318 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

949 
WUUS51 KPHI 192220
SVRPHI
PAC025-077-192300-
/O.NEW.KPHI.SV.W.0030.190519T2220Z-190519T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
620 PM EDT Sun May 19 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Lehigh County in eastern Pennsylvania...
  Carbon County in northeastern Pennsylvania...

* Until 700 PM EDT.

* At 619 PM EDT, a severe thunderstorm was located over Tamaqua,
  moving northeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

&&

LAT...LON 4083 7548 4072 7578 4074 7576 4083 7590
      4091 7599 4098 7582 4098 7580 4101 7573
      4103 7574 4105 7577 4109 7577 4112 7572
TIME...MOT...LOC 2219Z 238DEG 25KT 4081 7599 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Robertson
1 follow-up statement
987 
WWUS51 KPHI 192240
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
640 PM EDT Sun May 19 2019

PAC025-077-192300-
/O.CON.KPHI.SV.W.0030.000000T0000Z-190519T2300Z/
Lehigh PA-Carbon PA-
640 PM EDT Sun May 19 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTH CENTRAL LEHIGH AND CARBON COUNTIES...

At 636 PM EDT, a severe thunderstorm was located over Weatherly, or
near Lehighton, moving northeast at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

&&

LAT...LON 4083 7548 4072 7578 4074 7576 4083 7590
      4091 7599 4098 7582 4098 7580 4101 7573
      4103 7574 4105 7577 4109 7577 4112 7572
TIME...MOT...LOC 2236Z 230DEG 39KT 4090 7581 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

Robertson

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 6:55 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe65 min
May 19, 7:36 PM EDTSpecial Weather StatementPHISchuylkill39 min
May 19, 7:57 PM EDTSevere Thunderstorm WarningPHIBerks48 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.