Alert archive / Pennsylvania / Tornado Warnings in 2017

Tornado Warning 9, NWS State College, PA

June 19, 20176 counties in Pennsylvania

NWS State College, PA issued this tornado warning at Jun 19, 2017, 1:27 PM EDT for 6 counties in Pennsylvania. It was in force for 48 min. 11 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 19, 2017, 1:27 PM EDT (17:27 UTC)
Expired: Jun 19, 2017, 2:15 PM EDT
In force: 48 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cumberland County, PA, Dauphin County, PA, Lancaster County, PA, Lebanon County, PA, Schuylkill County, PA, York County, PA

The radar

The State College radar (KCCX), 142 km from the middle of the area, began a volume at 17:30 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 19, 1:28 PM EDT	TSTM WND DMG	1 Ne Franklintown, PA	12 TREES DOWN ON CARLISLE ROAD
Jun 19, 1:35 PM EDT	TSTM WND DMG	1 N Wellsville, PA	TREES AND WIRES DOWN IN WARRINGTON TOWNSHIP
Jun 19, 1:42 PM EDT	TSTM WND DMG	1 Ssw Hillsdale Acres, PA	TREES DOWN ALONG ROUTE 441 NEAR THREE MILE ISLAND
Jun 19, 1:45 PM EDT	TSTM WND DMG	2 Ese Middletown, PA	TREES AND WIRES DOWN ON RTE 283 WESTBOUND AT MM 10.2
Jun 19, 1:45 PM EDT	TSTM WND DMG	4 Ese Hummelstown, PA	TREES AND WIIRES DOWN AT INTERSECTION OF HILLTOP AND SAND HILL ROADS
Jun 19, 1:45 PM EDT	TSTM WND DMG	Middletown, PA	TREES DOWN IN VILLAGE OF PINEFORD
Jun 19, 1:45 PM EDT	TSTM WND DMG	Woodside, PA	TREES AND WIRES DOWN ON HILL DRIVE
Jun 19, 1:50 PM EDT	TSTM WND DMG	Middletown, PA	TREE ON WIRES ON WAYNE AVE
Jun 19, 1:53 PM EDT	TSTM WND DMG	Oakmont, PA	TREES AND WIRES DOWN
Jun 19, 2:10 PM EDT	TSTM WND DMG	2 W Cleona, PA	TREES DOWN ON CARS
Jun 19, 2:23 PM EDT	TSTM WND DMG	Lebanon, PA	TREES DOWN

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
Jun 19, 11:13 AM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.5 hours before the alert went out and 166 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: 448 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1049 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

826 
WFUS51 KCTP 191727
TORCTP
PAC041-043-071-075-107-133-191815-
/O.NEW.KCTP.TO.W.0009.170619T1727Z-170619T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
127 PM EDT MON JUN 19 2017

The National Weather Service in State College PA has issued a

* Tornado Warning for...
  Northwestern Lancaster County in south central Pennsylvania...
  South central Schuylkill County in central Pennsylvania...
  Northwestern York County in south central Pennsylvania...
  Southeastern Dauphin County in south central Pennsylvania...
  East central Cumberland County in south central Pennsylvania...
  Lebanon County in south central Pennsylvania...

* Until 215 PM EDT
    
* At 126 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Dillsburg, moving northeast at 35 mph.

  HAZARD...Tornado and quarter size hail. 

  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...
  Mechanicsburg and Siddonsburg around 130 PM EDT. 
  New Cumberland, Lower Allen, Lemoyne, Camp Hill, Valley Green, 
  Shiremanstown and Wormleysburg around 140 PM EDT. 
  Middletown, Hummelstown, Steelton, Progress, Colonial Park, 
  Highspire, Royalton, Bressler-Enhaut-Oberlin, Rutherford and 
  Lawnton around 150 PM EDT. 
  Hershey, Elizabethtown, Campbelltown, Lawn and Skyline View around 
  200 PM EDT. 

Other locations impacted by this tornadic thunderstorm include York
Haven, Three Mile Island, Deer Lake, Mount Gretna, Reinholds, Ono,
Schoeneck, Lewisberry, Goldsboro and Avon Heights.

This includes the following Interstates...
 The Pennsylvania Turnpike from mile markers 234 to 285.
 Interstate 78 from mile markers 0 to 8.
 Interstate 81 from mile markers 87 to 89.
 Interstate 83 from mile markers 26 to 48.
 Interstate 283 from mile markers 0 to 2.

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 3998 7700 4002 7702 4003 7707 4006 7711
      4013 7716 4065 7607 4058 7603 4058 7607
      4053 7617 4051 7635 4042 7632 4036 7620
      4024 7604
TIME...MOT...LOC 1726Z 237DEG 37KT 4010 7701 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
Grumm/Dangelo

3 follow-up statements

449 
WWUS51 KCTP 191732
SVSCTP

Severe Weather Statement
National Weather Service State College PA
132 PM EDT MON JUN 19 2017

PAC107-191740-
/O.CAN.KCTP.TO.W.0009.000000T0000Z-170619T1815Z/
Schuylkill PA-
132 PM EDT MON JUN 19 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL SCHUYLKILL COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
The warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM EDT for
south central Pennsylvania.

LAT...LON 3998 7700 4002 7702 4003 7707 4006 7711
      4013 7716 4049 7642 4037 7625 4036 7620
      4024 7604
TIME...MOT...LOC 1730Z 237DEG 37KT 4012 7696 

$$

PAC041-043-071-075-133-191815-
/O.CON.KCTP.TO.W.0009.000000T0000Z-170619T1815Z/
Lancaster PA-York PA-Dauphin PA-Cumberland PA-Lebanon PA-
132 PM EDT MON JUN 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
NORTHWESTERN LANCASTER...NORTHWESTERN YORK...SOUTHEASTERN DAUPHIN...
EAST CENTRAL CUMBERLAND AND LEBANON COUNTIES...
    
At 130 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Siddonsburg, moving northeast at 45 mph.

HAZARD...Tornado and quarter size hail. 

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. There have been numerous reports of wind damage in 
         the Aspers area of Adams County.

This dangerous storm will be near...
  Steelton, New Cumberland and Valley Green around 140 PM EDT. 
  Middletown, Hummelstown, Colonial Park, Progress, Highspire, 
  Royalton, Rutherford, Bressler-Enhaut-Oberlin, Lawnton and Paxtang 
  around 150 PM EDT. 
  Hershey, Campbelltown, Skyline View and Lawn around 200 PM EDT. 
  Annville, Palmyra, Lebanon, Cornwall, Cleona, Pleasant Hill, Sand 
  Hill, Harper Tavern, Quentin and Lebanon South around 210 PM EDT. 

Other locations impacted by this tornadic thunderstorm include York
Haven, Three Mile Island, Franklintown, Penryn, Mount Gretna, Capital
City Airport, Wellsville, Reinholds, Ono and Schoeneck.

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 3998 7700 4002 7702 4003 7707 4006 7711
      4013 7716 4049 7642 4037 7625 4036 7620
      4024 7604
TIME...MOT...LOC 1730Z 237DEG 37KT 4012 7696 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Grumm

869 
WWUS51 KCTP 191740
SVSCTP

Severe Weather Statement
National Weather Service State College PA
140 PM EDT MON JUN 19 2017

PAC041-043-071-075-133-191815-
/O.CON.KCTP.TO.W.0009.000000T0000Z-170619T1815Z/
Lancaster PA-York PA-Dauphin PA-Cumberland PA-Lebanon PA-
140 PM EDT MON JUN 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
NORTHWESTERN LANCASTER...NORTHWESTERN YORK...SOUTHEASTERN DAUPHIN...
EAST CENTRAL CUMBERLAND AND LEBANON COUNTIES...
    
At 137 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Valley Green, moving northeast at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated strong rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. 

This dangerous storm will be near...
  
  Middletown, Hummelstown, Elizabethtown, Highspire, Royalton, 
Rutherford, Bressler-Enhaut-Oberlin and Lawnton around 150 PM EDT. 

Other locations impacted by this tornadic thunderstorm include York 
Haven, Three Mile Island and Capital City Airport.

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 4002 7686 4007 7693 4013 7699 4020 7701
      4049 7642 4037 7625 4036 7620 4024 7604
TIME...MOT...LOC 1737Z 237DEG 37KT 4016 7687 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

La Corte

483 
WWUS51 KCTP 191759
SVSCTP

Severe Weather Statement
National Weather Service State College PA
159 PM EDT MON JUN 19 2017

PAC041-071-133-191807-
/O.CAN.KCTP.TO.W.0009.000000T0000Z-170619T1815Z/
Lancaster PA-York PA-Cumberland PA-
159 PM EDT MON JUN 19 2017

...THE TORNADO WARNING FOR NORTHWESTERN LANCASTER...NORTHWESTERN YORK
AND EAST CENTRAL CUMBERLAND COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved away 
from the warning area. Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM EDT for
south central Pennsylvania.

LAT...LON 4030 7619 4024 7641 4024 7644 4020 7653
      4019 7660 4019 7661 4018 7662 4032 7675
      4049 7642 4037 7625 4036 7620 4032 7616
TIME...MOT...LOC 1757Z 229DEG 45KT 4031 7662 

$$

PAC043-075-191815-
/O.CON.KCTP.TO.W.0009.000000T0000Z-170619T1815Z/
Dauphin PA-Lebanon PA-
159 PM EDT MON JUN 19 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
SOUTHEASTERN DAUPHIN AND LEBANON COUNTIES...
    
At 157 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Valley View, moving northeast at 50 mph.

HAZARD...Tornado and quarter size hail. 

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...
  Annville, Lebanon, Fredericksburg, Sand Hill, Cleona, Pleasant 
  Hill, Harper Tavern, Avon and Lebanon South around 210 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Ono,
Mount Gretna, Avon Heights, Hershey Park, Penn State College Of
Medicine and Jonestown.

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 4030 7619 4024 7641 4024 7644 4020 7653
      4019 7660 4019 7661 4018 7662 4032 7675
      4049 7642 4037 7625 4036 7620 4032 7616
TIME...MOT...LOC 1757Z 229DEG 45KT 4031 7662 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

La Corte

The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 8:00 PM EDT	Special Weather Statement	CTP	Lycoming, Union	45 min
Jun 18, 8:15 PM EDT	Special Weather Statement	CTP	Warren	30 min
Jun 18, 8:20 PM EDT	Special Weather Statement	CTP	Mifflin	25 min
Jun 18, 8:44 PM EDT	Special Weather Statement	CTP	Mifflin, Montour, Northumberland, Snyder, Sullivan, Union	46 min
Jun 18, 8:46 PM EDT	Special Weather Statement	CTP	Warren	29 min
Jun 18, 9:20 PM EDT	Areal Flood Advisory	CTP	Montour, Northumberland, Union	3 hr
Jun 18, 9:29 PM EDT	Special Weather Statement	CTP	Columbia, Montour, Sullivan	46 min
Jun 18, 9:56 PM EDT	Special Weather Statement	CTP	Centre	19 min
Jun 18, 10:20 PM EDT	Areal Flood Advisory	CTP	Clinton, Lycoming	3 hr
Jun 18, 11:22 PM EDT	Special Weather Statement	CTP	Union	23 min
Jun 18, 11:41 PM EDT	Flash Flood Warning	CTP	Lycoming	3 hr
Jun 18, 11:55 PM EDT	Special Weather Statement	CTP	Sullivan	35 min
Jun 19, 12:05 AM EDT	Areal Flood Advisory	CTP	Sullivan	3 hr
Jun 19, 12:35 AM EDT	Areal Flood Advisory	CTP	Elk, McKean, Warren	3 hr
Jun 19, 5:18 AM EDT	Flash Flood Watch	CTP	Adams, Lancaster, Lebanon, York	11 hr
Jun 19, 10:32 AM EDT	Special Weather Statement	CTP	Clinton, Tioga	58 min
Jun 19, 10:53 AM EDT	Special Weather Statement	CTP	Dauphin	37 min
Jun 19, 11:12 AM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Schuylkill	63 min
Jun 19, 11:32 AM EDT	Special Weather Statement	CTP	Tioga	28 min
Jun 19, 12:19 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill	56 min
Jun 19, 12:26 PM EDT	Special Weather Statement	CTP	Adams, Cumberland, Franklin	49 min
Jun 19, 12:40 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	65 min
Jun 19, 12:50 PM EDT	Special Weather Statement	CTP	Berks	10 min
Jun 19, 1:17 PM EDT	Areal Flood Advisory	CTP	Dauphin, Lebanon, Perry, Schuylkill	3 hr
Jun 19, 1:49 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, Schuylkill, York	56 min
Jun 19, 2:17 PM EDT	Special Weather Statement	CTP	Schuylkill	28 min
Jun 19, 2:24 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	44 min
Jun 19, 2:45 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	30 min
Jun 19, 3:35 PM EDT	Special Weather Statement	CTP	Lancaster	25 min

Nearby

Tornado Warnings in Pennsylvania, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.