Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 34, NWS Philadelphia/Mount Holly

June 18, 2018Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 18, 2018, 6:10 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 50 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
Jun 18, 2018, 6:10 PM EDT (22:10 UTC)
Expired
Jun 18, 2018, 7:00 PM EDT
In force
50 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), 139 km from the middle of the area, began a volume at 22:10 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 18, 6:33 PM EDTTSTM WND GST 59Pocono Mountains Airpor, PA
Jun 18, 6:55 PM EDTTSTM WND DMGStroud Twp, PATREES DOWN BLOCKING ROADWAYS.

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, 10.2 hours before the alert went out and 215 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 2018-06-18Temperature 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 2018-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939Sfc1 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
1413 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

094 
WUUS51 KPHI 182210
SVRPHI
PAC025-089-182300-
/O.NEW.KPHI.SV.W.0034.180618T2210Z-180618T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
610 PM EDT MON JUN 18 2018

The National Weather Service in Mount Holly NJ has issued a

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

* Until 700 PM EDT.

* At 609 PM EDT, severe thunderstorms were located along a line
  extending from Gouldsboro State Park to near Hometown, moving east
  at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lehighton, Mount Pocono, East Stroudsburg, Tobyhanna, Palmerton,
  Jim Thorpe, Nesquehoning, Wind Gap, Weatherly, Stormville, Werry
  Lake, Pocono Pines, Lake Harmony, Skytop, Tannersville, Long Pond,
  Kresgeville, Sun Valley, Reeders and Beltzville State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4115 7515 4114 7509 4108 7503 4109 7497
      4099 7513 4095 7515 4093 7522 4086 7529
      4083 7538 4078 7567 4073 7576 4091 7599
      4101 7573 4105 7577 4109 7577 4113 7569
      4112 7564 4123 7554 4125 7513
TIME...MOT...LOC 2209Z 291DEG 29KT 4119 7546 4084 7602 

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

Iovino
1 follow-up statement
190 
WWUS51 KPHI 182244
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
644 PM EDT MON JUN 18 2018

PAC025-089-182300-
/O.CON.KPHI.SV.W.0034.000000T0000Z-180618T2300Z/
Carbon PA-Monroe PA-
644 PM EDT MON JUN 18 2018

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

At 643 PM EDT, severe thunderstorms were located along a line 
extending from near Paradise Valley to near Jim Thorpe, moving east 
at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Lehighton, Mount Pocono, East Stroudsburg, Palmerton, Jim Thorpe,
Nesquehoning, Wind Gap, Weatherly, Stormville, Werry Lake,
Tannersville, Long Pond, Kresgeville, Sun Valley, Reeders, Beltzville
State Park, Saylorsburg, McMichael, Penn Forest Reservoir and
Christmans.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4115 7515 4114 7509 4108 7503 4109 7497
      4099 7513 4095 7515 4093 7522 4086 7529
      4083 7538 4078 7567 4073 7576 4089 7596
      4099 7571 4109 7551
TIME...MOT...LOC 2243Z 288DEG 25KT 4112 7518 4077 7574 

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

Iovino

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 5:46 PM EDTSpecial Weather StatementPHICarbon, Monroe44 min
Jun 18, 6:37 PM EDTSpecial Weather StatementPHILehigh, Northampton53 min
Jun 18, 6:48 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton57 min
Jun 18, 6:56 PM EDTSpecial Weather StatementPHIBerks, Lehigh64 min
Jun 18, 6:58 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh62 min
Jun 18, 7:30 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton60 min
Jun 18, 7:41 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery64 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2018Every severe thunderstorm warning in 2018

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.