Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly

June 13, 2018Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 13, 2018, 10:07 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 53 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 13, 2018, 10:07 PM EDT (02:07 UTC)
Expired: Jun 13, 2018, 11:00 PM EDT
In force: 53 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

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 02:08 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

Time	Report	Where	Remark
Jun 13, 10:27 PM EDT	TSTM WND DMG	Arrowhead Lake, PA	DOWNED TREE IN WIRES AT INTERSECTION OF LOCUST RIDGE ROAD AND SPUR ROAD. TIME ESTIMATED BY 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 00:00Z, 2.1 hours before the alert went out and 208 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 11 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 604 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 260 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

127 
WUUS51 KPHI 140207
SVRPHI
PAC025-089-140300-
/O.NEW.KPHI.SV.W.0031.180614T0207Z-180614T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1007 PM EDT WED JUN 13 2018

The National Weather Service in Mount Holly NJ has issued a

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

* Until 1100 PM EDT.

* At 1007 PM EDT, a severe thunderstorm was located over Bear Creek
  Village, or 8 miles southeast of Wilkes-Barre, moving east at 45
  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...
  Mount Pocono, East Stroudsburg, Tobyhanna, Wind Gap, Stormville,
  Brodheadsville, Kunkletown, Werry Lake, Pocono Pines, Gilbert,
  Pocono Raceway, Lake Harmony, Delaware Water Gap, Tannersville,
  Mountainhome, Alpine Mountain, Rossland, Long Pond, Albrightsville
  and Hernyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

In addition to 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.

&&

LAT...LON 4117 7515 4115 7515 4114 7509 4108 7503
      4109 7497 4098 7514 4097 7512 4093 7522
      4086 7529 4081 7547 4106 7577 4109 7577
      4113 7569 4112 7564 4123 7554 4123 7546
TIME...MOT...LOC 0207Z 286DEG 41KT 4119 7574 

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

Gorse

1 follow-up statement

381 
WWUS51 KPHI 140236
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1036 PM EDT WED JUN 13 2018

PAC025-089-140300-
/O.CON.KPHI.SV.W.0031.000000T0000Z-180614T0300Z/
Carbon PA-Monroe PA-
1036 PM EDT WED JUN 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHEASTERN CARBON AND MONROE COUNTIES...

At 1035 PM EDT, a severe thunderstorm was located over Mount Pocono, 
moving southeast at 45 mph. Another potentially severe storm was 
located near White Haven, also moving southeast at 45 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...
Mount Pocono, East Stroudsburg, Tobyhanna, Wind Gap, Stormville,
Brodheadsville, Kunkletown, Werry Lake, Pocono Pines, Gilbert, Pocono
Raceway, Lake Harmony, Delaware Water Gap, Tannersville,
Mountainhome, Alpine Mountain, Rossland, Long Pond, Albrightsville
and Hernyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

In addition to 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.

&&

LAT...LON 4117 7515 4115 7515 4114 7509 4108 7503
      4109 7497 4098 7514 4097 7512 4093 7522
      4086 7529 4081 7547 4106 7577 4109 7577
      4113 7569 4112 7564 4123 7554 4123 7546
TIME...MOT...LOC 0235Z 297DEG 41KT 4110 7540 

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

CMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 9:55 PM EDT	Special Weather Statement	PHI	Carbon	50 min
Jun 13, 10:39 PM EDT	Tornado Warning	PHI	Monroe	36 min
Jun 13, 10:56 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	49 min
Jun 13, 11:27 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	33 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2018 Every 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.