Alert archive / Pennsylvania / Tornado Warnings in 2019

Tornado Warning 3, NWS State College, PA

April 19, 2019Huntingdon County, Pennsylvania

NWS State College, PA issued this tornado warning at Apr 19, 2019, 7:25 PM EDT for Huntingdon County, Pennsylvania. It was in force for 18 min. 2 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: Apr 19, 2019, 7:25 PM EDT (23:25 UTC)
Expired: Apr 19, 2019, 7:43 PM EDT
In force: 18 min
Issued by: NWS State College, PA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Huntingdon County, PA

The radar

The State College radar (KCCX), 80 km from the middle of the area, began a volume at 23:24 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
Apr 19, 7:28 PM EDT	TORNADO	2 Sw Richvale, PA	AN EF1 TORNADO TOUCHED DOWN SOUTHWEST OF RICHVALE AND PUSHED NORTHEASTWARD AND UP THE VALLEY FOR APPROXIMATELY 5 MILES. IT HAD A MAXIUMUM PATH WIDTH OF 200 YARDS AND PEAK WINDS OF 110 MPH.
Apr 19, 7:30 PM EDT	TSTM WND DMG	6 Ne Shade Gap, PA	TWO OUTBUILDINGS DESTROYED AND A ROOF BLOWN OFF A BARN IN THE 19000 BLOCK OF SHADE VALLEY ROAD.

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
Apr 19, 6:34 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.4 hours before the alert went out and 145 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: 7 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WFUS51 KCTP 192325
TORCTP
PAC061-200015-
/O.NEW.KCTP.TO.W.0003.190419T2325Z-190420T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
725 PM EDT FRI APR 19 2019

The National Weather Service in State College PA has issued a

* Tornado Warning for...
  Southeastern Huntingdon County in central Pennsylvania...

* Until 815 PM EDT.
    
* At 724 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Rockhill Furnace, moving northeast at 50 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 tornadic thunderstorm will remain over mainly rural areas of
  southeastern Huntingdon County, including the following
  locations... Shade Gap.

This includes The Pennsylvania Turnpike from mile markers 185 to 186.

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 4011 7794 4033 7781 4037 7775 4030 7771
      4026 7771 4020 7778 4007 7787
TIME...MOT...LOC 2324Z 208DEG 40KT 4021 7783 

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

$$

La Corte

1 follow-up statement

266 
WWUS51 KCTP 192343
SVSCTP

Severe Weather Statement
National Weather Service State College PA
743 PM EDT FRI APR 19 2019

PAC061-192352-
/O.CAN.KCTP.TO.W.0003.000000T0000Z-190420T0015Z/
Huntingdon PA-
743 PM EDT FRI APR 19 2019

...THE TORNADO WARNING FOR SOUTHEASTERN HUNTINGDON COUNTY IS
CANCELLED...
        
The storm which prompted the tornado warning has moved out of the 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
south central and central Pennsylvania.

LAT...LON 4011 7794 4033 7781 4037 7775 4030 7771
      4026 7771 4020 7778 4007 7787
TIME...MOT...LOC 2341Z 208DEG 40KT 4047 7765 

$$

La Corte

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 3:44 PM EDT	Special Weather Statement	CTP	Adams	31 min
Apr 19, 6:10 PM EDT	Special Weather Statement	CTP	Bedford, Fulton	35 min
Apr 19, 6:19 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	56 min
Apr 19, 7:07 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	34 min
Apr 19, 7:12 PM EDT	Severe Thunderstorm Warning	CTP	Huntingdon	31 min
Apr 19, 7:35 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin	56 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.