Alert archive / Pennsylvania / Tornado Warnings in 2018

Tornado Warning 2, NWS Philadelphia/Mount Holly

June 13, 2018Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 13, 2018, 10:39 PM EDT for Monroe County, Pennsylvania. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 13, 2018, 10:39 PM EDT (02:39 UTC)
Expired: Jun 13, 2018, 11:15 PM EDT
In force: 36 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Monroe County, PA

The radar

The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 02:40 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 192 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.

380 
WFUS51 KPHI 140239
TORPHI
PAC089-140315-
/O.NEW.KPHI.TO.W.0002.180614T0239Z-180614T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
1039 PM EDT WED JUN 13 2018

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Monroe County in northeastern Pennsylvania...

* Until 1115 PM EDT.
    
* At 1038 PM EDT, a severe thunderstorm capable of producing a
  tornado was located over Pocono Pines, or near Mount Pocono, moving
  east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Scotrun, Paradise Valley, Tannersville and Mountainhome around 
  1050 PM EDT.
  Analomink, Hernyville and Alpine Mountain around 1055 PM EDT.
  East Stroudsburg and Delaware Water Gap around 1105 PM EDT.
  Delaware Water Gap, Echo Lake and Werry Lake around 1110 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Cresco, Marshalls Creek, Arlington Heights, Hidden Lake, Stroudsburg,
Bartonsville and Shawnee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4114 7508 4108 7503 4110 7498 4109 7497
      4106 7502 4104 7503 4099 7513 4097 7514
      4097 7512 4095 7515 4094 7518 4112 7552
      4120 7549
TIME...MOT...LOC 0238Z 290DEG 34KT 4112 7543 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Gorse

2 follow-up statements

879 
WWUS51 KPHI 140247
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1047 PM EDT WED JUN 13 2018

PAC089-140315-
/O.CON.KPHI.TO.W.0002.000000T0000Z-180614T0315Z/
Monroe PA-
1047 PM EDT WED JUN 13 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR CENTRAL
MONROE COUNTY...
    
At 1045 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mount Pocono, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation. This storm produced significant 
         damage in the Wilkes-Barre area earlier.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Analomink, Hernyville and Alpine Mountain around 1055 PM EDT.
  East Stroudsburg around 1100 PM EDT.
  Delaware Water Gap and Delaware Water Gap around 1105 PM EDT.
  Echo Lake and Werry Lake around 1110 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Cresco, Marshalls Creek, Arlington Heights, Hidden Lake, Stroudsburg,
Bartonsville and Shawnee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4114 7508 4108 7503 4110 7498 4109 7497
      4106 7502 4104 7503 4099 7513 4097 7514
      4097 7512 4095 7515 4094 7518 4109 7545
      4118 7541
TIME...MOT...LOC 0245Z 290DEG 34KT 4109 7534 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Gorse

318 
WWUS51 KPHI 140311
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1111 PM EDT WED JUN 13 2018

PAC089-140320-
/O.EXP.KPHI.TO.W.0002.000000T0000Z-180614T0315Z/
Monroe PA-
1111 PM EDT WED JUN 13 2018

...THE TORNADO WARNING FOR CENTRAL MONROE COUNTY WILL EXPIRE AT 1115
PM EDT...
                
The storm which prompted the warning has weakened, and no longer 
appears capable of producing a tornado. Therefore, the warning will 
be allowed to expire.  However gusty winds and heavy rain are still 
possible with this thunderstorm.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern Monroe County.

LAT...LON 4114 7508 4108 7503 4110 7498 4109 7497
      4106 7502 4104 7503 4099 7513 4097 7514
      4097 7512 4095 7515 4094 7518 4109 7545
      4118 7541
TIME...MOT...LOC 0310Z 290DEG 34KT 4101 7507 

$$

Gorse

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, 10:07 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	53 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

Tornado Warnings in Pennsylvania, 2018 Every tornado warning in 2018 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.