Alert archive / Pennsylvania / Tornado Warnings in 2019

Tornado Warning 8, NWS State College, PA

May 19, 2019Lancaster County, York County, Pennsylvania

NWS State College, PA issued this tornado warning at May 19, 2019, 6:56 PM EDT for Lancaster County, York County, Pennsylvania. It was in force for 34 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: May 19, 2019, 6:56 PM EDT (22:56 UTC)
Expired: May 19, 2019, 7:30 PM EDT
In force: 34 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Lancaster County, PA, York County, PA

The radar

The Sterling radar (KLWX), 142 km from the middle of the area, began a volume at 22:57 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
May 19, 6:56 PM EDT	FUNNEL CLOUD	2 S Manchester, PA	BOARD RD. SPOTTER REPORT RELAYED BY 911.
May 19, 7:03 PM EDT	HAIL 1	Elizabethtown, PA
May 19, 7:30 PM EDT	TSTM WND DMG	2 Nne Manheim, PA	TREES DOWN - CORRECTED TIME

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
May 19, 2:36 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.9 hours before the alert went out and 141 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: 107 J/kg
Mixed-layer CIN: -262 J/kg
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

324 
WFUS51 KCTP 192256
TORCTP
PAC071-133-192330-
/O.NEW.KCTP.TO.W.0008.190519T2256Z-190519T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
656 PM EDT Sun May 19 2019

The National Weather Service in State College PA has issued a

* Tornado Warning for...
  Northwestern Lancaster County in south central Pennsylvania...
  Central York County in south central Pennsylvania...

* Until 730 PM EDT.

* At 655 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Mount Wolf, moving east at 20 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud.

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

* This dangerous storm will be near...
  Valley View around 700 PM EDT.
  Elizabethtown, Marietta, Maytown, Hallam, Rheems and Yorkana 
  around 710 PM EDT.
  Columbia, Mount Joy and Wrightsville around 720 PM EDT.
  East Petersburg, Millersville, Mountville and Salunga-Landisville 
  around 730 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Conestoga, York Haven, Washington Boro, East Prospect, Elizabethtown
College and Millersville University.

This includes Interstate 83 from mile markers 18 to 28.

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 3996 7676 4014 7677 4014 7674 4013 7674
      4012 7672 4015 7670 4020 7635 3993 7634
TIME...MOT...LOC 2255Z 268DEG 18KT 4006 7667 

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

$$

Jurewicz

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 10:24 PM EDT	Special Weather Statement	CTP	Franklin	36 min
May 19, 1:33 PM EDT	Special Weather Statement	CTP	Blair	27 min
May 19, 2:01 PM EDT	Special Weather Statement	CTP	Cambria	29 min
May 19, 2:10 PM EDT	Special Weather Statement	CTP	Blair	50 min
May 19, 2:23 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	37 min
May 19, 2:27 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	48 min
May 19, 2:42 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	48 min
May 19, 2:49 PM EDT	Special Weather Statement	CTP	Centre	41 min
May 19, 2:53 PM EDT	Special Weather Statement	CTP	Tioga	52 min
May 19, 3:07 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Mifflin	38 min
May 19, 3:10 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	65 min
May 19, 3:15 PM EDT	Special Weather Statement	CTP	Perry	45 min
May 19, 3:19 PM EDT	Special Weather Statement	CTP	Cambria	41 min
May 19, 3:23 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	52 min
May 19, 3:42 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Mifflin	48 min
May 19, 3:44 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Juniata, Perry	46 min
May 19, 4:00 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	45 min
May 19, 4:07 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	23 min
May 19, 4:13 PM EDT	Severe Thunderstorm Warning	CTP	Mifflin, Snyder, Union	47 min
May 19, 4:23 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	52 min
May 19, 4:34 PM EDT	Tornado Warning	CTP	Lycoming, Sullivan	26 min
May 19, 4:35 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	40 min
May 19, 4:55 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan	35 min
May 19, 4:56 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland, Snyder, Union	49 min
May 19, 5:05 PM EDT	Areal Flood Advisory	CTP	Franklin	3 hr
May 19, 5:07 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	53 min
May 19, 5:16 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	29 min
May 19, 5:27 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	33 min
May 19, 5:30 PM EDT	Special Weather Statement	CTP	Schuylkill	45 min
May 19, 5:37 PM EDT	Tornado Warning	CTP	Lebanon, Schuylkill	23 min
May 19, 5:45 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry	30 min
May 19, 5:47 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	58 min
May 19, 5:58 PM EDT	Areal Flood Advisory	CTP	Dauphin, Lebanon, Schuylkill	3 hr
May 19, 6:09 PM EDT	Special Weather Statement	CTP	Centre	51 min
May 19, 6:10 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, York	35 min
May 19, 6:16 PM EDT	Special Weather Statement	CTP	Cumberland, Juniata, Perry	29 min
May 19, 6:21 PM EDT	Flash Flood Warning	CTP	Franklin	4 hr
May 19, 6:23 PM EDT	Severe Thunderstorm Warning	CTP	Centre	32 min
May 19, 6:33 PM EDT	Areal Flood Advisory	CTP	Blair, Huntingdon	3 hr
May 19, 6:34 PM EDT	Tornado Warning	CTP	York	26 min
May 19, 6:44 PM EDT	Special Weather Statement	CTP	Cambria	31 min
May 19, 6:57 PM EDT	Special Weather Statement	CTP	Adams, Cumberland	48 min
May 19, 7:11 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Clearfield	49 min
May 19, 7:24 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	51 min
May 19, 7:30 PM EDT	Special Weather Statement	CTP	Lebanon	45 min
May 19, 7:32 PM EDT	Severe Thunderstorm Warning	CTP	York	43 min
May 19, 7:48 PM EDT	Special Weather Statement	CTP	Sullivan	27 min
May 19, 7:53 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	52 min

Nearby

Tornado Warnings in Pennsylvania, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.