Alert archive / Pennsylvania / Tornado Warnings in 2018

Tornado Warning 18, NWS State College, PA

October 2, 2018Lycoming County, Tioga County, Pennsylvania

NWS State College, PA issued this tornado warning at Oct 2, 2018, 4:48 PM EDT for Lycoming County, Tioga County, Pennsylvania. It was in force for 42 min. 3 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: Oct 2, 2018, 4:48 PM EDT (20:48 UTC)
Expired: Oct 2, 2018, 5:30 PM EDT
In force: 42 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Lycoming County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 108 km from the middle of the area, began a volume at 20:50 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, 5:03 PM EDT	TORNADO	3 S Hartsfield, PA	EF-2 TORNADO CONFIRMED IN LYCOMING COUNTY ALONG THE TIOGA/LYCOMING BORDER.
Oct 2, 5:12 PM EDT	FUNNEL CLOUD	Liberty, PA	SEVERAL REPORTS OF FUNNEL CLOUD SIGHTINGS NEAR LIBERTY.
Oct 2, 5:12 PM EDT	HAIL 1.75	Liberty, PA	GOLF BALL-SIZED HAIL REPORTED NEAR LIBERTY

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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.8 hours before the alert went out and 200 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: 13 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 476 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

562 
WFUS51 KCTP 022048
TORCTP
PAC081-117-022130-
/O.NEW.KCTP.TO.W.0018.181002T2048Z-181002T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
448 PM EDT TUE OCT 2 2018

The National Weather Service in State College PA has issued a

* Tornado Warning for...
  North central Lycoming County in north central Pennsylvania...
  Southeastern Tioga County in north central Pennsylvania...

* Until 530 PM EDT.
    
* At 447 PM EDT, a tornado producing storm was located near Morris,
  moving east at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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 tornadic storm will be near...
  Morris around 450 PM EDT.
  Buttonwood around 510 PM EDT.
  Ralston and Ogdensburg around 530 PM EDT.

This includes the following highways...
 Route 15 from Buttonwood to south of Blossburg.
 State Road 14 from north of Trout Run to the Bradford County line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.

To repeat, a tornado is on the ground. 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 4164 7688 4160 7688 4159 7685 4143 7696
      4155 7740 4162 7741 4167 7731
TIME...MOT...LOC 2047Z 280DEG 24KT 4160 7732 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Dangelo

2 follow-up statements

834 
WWUS51 KCTP 022104
SVSCTP

Severe Weather Statement
National Weather Service State College PA
504 PM EDT TUE OCT 2 2018

PAC081-117-022130-
/O.CON.KCTP.TO.W.0018.000000T0000Z-181002T2130Z/
Lycoming PA-Tioga PA-
504 PM EDT TUE OCT 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTH
CENTRAL LYCOMING AND SOUTHEASTERN TIOGA COUNTIES...
        
At 503 PM EDT, a confirmed tornado was located 5 miles north of 
Buttonwood, moving east at 25 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Buttonwood around 510 PM EDT.
  Ogdensburg around 520 PM EDT.
  Ralston around 530 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4164 7688 4160 7688 4159 7685 4143 7696
      4151 7727 4160 7728 4166 7713
TIME...MOT...LOC 2103Z 287DEG 24KT 4156 7718 

TORNADO...OBSERVED
HAIL...<.75IN

$$

Dangelo

843 
WWUS51 KCTP 022119
SVSCTP

Severe Weather Statement
National Weather Service State College PA
519 PM EDT TUE OCT 2 2018

PAC081-117-022130-
/O.CON.KCTP.TO.W.0018.000000T0000Z-181002T2130Z/
Lycoming PA-Tioga PA-
519 PM EDT TUE OCT 2 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTH
CENTRAL LYCOMING AND SOUTHEASTERN TIOGA COUNTIES...
        
At 519 PM EDT, a confirmed tornado was located near Buttonwood,
moving east at 25 mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...Radar confirmed tornado.

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.

Locations impacted include...
Ralston and Ogdensburg. 

This includes the following highways...
 Route 15 from Buttonwood to near Liberty.
 State Road 14 from north of Trout Run to the Bradford County line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 4164 7688 4160 7688 4159 7685 4143 7696
      4147 7712 4159 7716
TIME...MOT...LOC 2119Z 283DEG 22KT 4153 7705 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Dangelo

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 11:07 AM EDT	Special Weather Statement	CTP	McKean	38 min
Oct 2, 1:12 PM EDT	Flash Flood Watch	CTP	Centre, Clearfield, Clinton, Columbia, Lycoming, McKean and 7 more	9 hr
Oct 2, 1:20 PM EDT	Areal Flood Advisory	CTP	Potter	3 hr
Oct 2, 1:59 PM EDT	Special Weather Statement	CTP	Tioga	61 min
Oct 2, 2:48 PM EDT	Special Weather Statement	CTP	Tioga	42 min
Oct 2, 3:03 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	42 min
Oct 2, 3:11 PM EDT	Severe Thunderstorm Warning	CTP	Warren	79 min
Oct 2, 3:24 PM EDT	Severe Thunderstorm Warning	CTP	Potter, Tioga	96 min
Oct 2, 3:27 PM EDT	Special Weather Statement	CTP	Lycoming	33 min
Oct 2, 3:38 PM EDT	Tornado Warning	CTP	Warren	67 min
Oct 2, 3:48 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Sullivan	57 min
Oct 2, 3:51 PM EDT	Tornado Warning	CTP	Columbia, Lycoming, Montour, Northumberland	54 min
Oct 2, 3:59 PM EDT	Areal Flood Advisory	CTP	Potter, Tioga	3 hr
Oct 2, 4:05 PM EDT	Special Weather Statement	CTP	McKean	55 min
Oct 2, 4:06 PM EDT	Areal Flood Advisory	CTP	Warren	3 hr
Oct 2, 4:15 PM EDT	Tornado Warning	CTP	Potter, Tioga	45 min
Oct 2, 4:19 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Huntingdon	56 min
Oct 2, 4:26 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk	64 min
Oct 2, 4:26 PM EDT	Severe Thunderstorm Warning	CTP	Elk	49 min
Oct 2, 4:26 PM EDT	Tornado Warning	CTP	Columbia, Lycoming, Montour	49 min
Oct 2, 4:42 PM EDT	Tornado Warning	CTP	Clearfield	63 min
Oct 2, 4:49 PM EDT	Special Weather Statement	CTP	Sullivan	26 min
Oct 2, 4:54 PM EDT	Special Weather Statement	CTP	Tioga	36 min
Oct 2, 5:02 PM EDT	Tornado Warning	CTP	Clearfield, Elk	43 min
Oct 2, 5:17 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	58 min
Oct 2, 5:24 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Tioga	36 min
Oct 2, 5:27 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Elk, Potter	93 min
Oct 2, 5:28 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan	34 min
Oct 2, 5:32 PM EDT	Tornado Warning	CTP	Clearfield	58 min
Oct 2, 5:33 PM EDT	Tornado Warning	CTP	Lycoming, Tioga	42 min
Oct 2, 5:39 PM EDT	Tornado Warning	CTP	Lycoming, Sullivan	66 min
Oct 2, 5:56 PM EDT	Areal Flood Advisory	CTP	Lycoming, Tioga	3 hr
Oct 2, 6:06 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	32 min
Oct 2, 6:19 PM EDT	Areal Flood Advisory	CTP	Clearfield, Elk	3 hr
Oct 2, 6:25 PM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	3 hr
Oct 2, 6:37 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Union	53 min
Oct 2, 6:39 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Sullivan	21 min
Oct 2, 7:00 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield	90 min
Oct 2, 7:13 PM EDT	Areal Flood Advisory	CTP	Cameron, Centre, Clinton	3 hr
Oct 2, 7:44 PM EDT	Special Weather Statement	CTP	Northumberland	31 min
Oct 2, 7:53 PM EDT	Flash Flood Warning	CTP	Columbia, Lycoming, Sullivan	3 hr
Oct 2, 7:57 PM EDT	Special Weather Statement	CTP	Snyder	33 min
Oct 2, 7:59 PM EDT	Flash Flood Warning	CTP	Centre, Clearfield	3 hr

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.