Alert archive / Pennsylvania / Tornado Warnings in 2018

Tornado Warning 5, NWS Philadelphia/Mount Holly

October 2, 2018Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Oct 2, 2018, 6:58 PM EDT for Monroe County, Northampton County, Pennsylvania. It was in force for 47 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: Oct 2, 2018, 6:58 PM EDT (22:58 UTC)
Expired: Oct 2, 2018, 7:45 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 136 km from the middle of the area, began a volume at 23:01 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
Oct 2, 7:01 PM EDT	TORNADO	2 Nnw Mcmichael, PA	THE PATH OF THIS TORNADO STARTED WITH TREE DAMAGE ALONG JACKSON ROAD. MANY TREES WERE UPROOTED AND SOME WERE SNAPPED. ADDITIONAL TREE DAMAGE WAS OBSERVED ALONG SPORTSMANS TRAIL AND SKYHAWK TRAIL. THE DAMAGE PATH CONTINUED THROUGH A CORN FIELD NEAR THE INTERSEC

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.

Issued	Product	Office	Lasted
Oct 2, 2:55 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.0 hours before the alert went out and 195 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: 54 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

814 
WFUS51 KPHI 022258
TORPHI
PAC089-095-022345-
/O.NEW.KPHI.TO.W.0005.181002T2258Z-181002T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
658 PM EDT TUE OCT 2 2018

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Central Monroe County in northeastern Pennsylvania...
  Northeastern Northampton County in eastern Pennsylvania...

* Until 745 PM EDT.
    
* At 658 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Long Pond, or 7 miles southwest of Mount Pocono,
  moving east at 25 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...
  Reeders and Scotrun around 710 PM EDT.
  Tannersville around 715 PM EDT.
  Henryville around 720 PM EDT.
  Stormville and Analomink around 725 PM EDT.
  East Stroudsburg around 730 PM EDT.
  East Bangor, Delaware Water Gap and Delaware Water Gap around 735 
  PM EDT.
  Echo Lake around 740 PM EDT.
  Werry Lake around 745 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Portland, 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 4109 7504 4108 7503 4109 7497 4106 7502
      4104 7503 4100 7511 4098 7514 4086 7505
      4085 7510 4098 7550 4099 7550 4101 7553
      4110 7551
TIME...MOT...LOC 2258Z 281DEG 23KT 4103 7544 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

O'Hara

1 follow-up statement

198 
WWUS51 KPHI 022334
SVSPHI

Severe Weather Statement
National Weather Service MOUNT HOLLY NJ
734 PM EDT TUE OCT 2 2018

PAC089-095-022345-
/O.CON.KPHI.TO.W.0005.000000T0000Z-181002T2345Z/
Monroe PA-Northampton PA-
734 PM EDT TUE OCT 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EAST
CENTRAL MONROE AND NORTHEASTERN NORTHAMPTON COUNTIES...
    
At 734 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Delaware Water Gap, or 14 miles southeast of Mount
Pocono, moving east at 25 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...
  Echo Lake around 740 PM EDT.
  Werry Lake around 745 PM EDT.

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

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 4109 7504 4108 7503 4109 7497 4106 7502
      4104 7503 4100 7511 4098 7514 4092 7509
      4091 7509 4098 7527 4105 7524
TIME...MOT...LOC 2334Z 281DEG 23KT 4099 7514 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

amc

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 5:52 PM EDT	Special Weather Statement	PHI	Carbon	53 min
Oct 2, 6:18 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	42 min
Oct 2, 6:28 PM EDT	Tornado Warning	PHI	Carbon, Monroe	32 min
Oct 2, 7:44 PM EDT	Special Weather Statement	PHI	Monroe	61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.