Alert archive / Pennsylvania / Tornado Warnings in 2019

Tornado Warning 7, NWS State College, PA

May 19, 2019York County, Pennsylvania

NWS State College, PA issued this tornado warning at May 19, 2019, 6:34 PM EDT for York County, Pennsylvania. It was in force for 26 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
May 19, 2019, 6:34 PM EDT (22:34 UTC)
Expired
May 19, 2019, 7:00 PM EDT
In force
26 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County York County, PA

The radar

The Sterling radar (KLWX), 137 km from the middle of the area, began a volume at 22:37 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

TimeReportWhereRemark
May 19, 6:56 PM EDTFUNNEL CLOUD2 S Manchester, PABOARD RD. SPOTTER REPORT RELAYED BY 911.

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.

IssuedProductOfficeLasted
May 19, 2:36 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.6 hours before the alert went out and 135 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2019-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2019-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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.

750 
WFUS51 KCTP 192234
TORCTP
PAC133-192300-
/O.NEW.KCTP.TO.W.0007.190519T2234Z-190519T2300Z/

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

The National Weather Service in State College PA has issued a

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

* Until 700 PM EDT.
    
* At 634 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Manchester, moving east at 20 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  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...
  York, Emigsville, Manchester, North York and Grantley around 640 
  PM EDT.
  Spry, Mount Wolf, Stonybrook-Wilshire, Valley View, East York and 
  Tyler Run-Queens Gate around 650 PM EDT.
  Hallam, Yorklyn, Yorkana and Wrightsville around 700 PM EDT.

Other locations impacted by this tornadic thunderstorm include York
Haven, East Prospect, York College Of Pennsylvania and Penn State
York.

This includes Interstate 83 from mile markers 15 to 31.

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 3994 7688 4012 7688 4013 7674 4010 7669
      4006 7666 4004 7657 4005 7654 4002 7653
      3999 7650 3997 7649 3994 7646 3989 7646
TIME...MOT...LOC 2234Z 271DEG 18KT 4004 7679 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Jurewicz

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 10:24 PM EDTSpecial Weather StatementCTPFranklin36 min
May 19, 1:33 PM EDTSpecial Weather StatementCTPBlair27 min
May 19, 2:01 PM EDTSpecial Weather StatementCTPCambria29 min
May 19, 2:10 PM EDTSpecial Weather StatementCTPBlair50 min
May 19, 2:23 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon37 min
May 19, 2:27 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton48 min
May 19, 2:42 PM EDTSevere Thunderstorm WarningCTPFranklin48 min
May 19, 2:49 PM EDTSpecial Weather StatementCTPCentre41 min
May 19, 2:53 PM EDTSpecial Weather StatementCTPTioga52 min
May 19, 3:07 PM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon, Mifflin38 min
May 19, 3:10 PM EDTSevere Thunderstorm WarningCTPTioga65 min
May 19, 3:15 PM EDTSpecial Weather StatementCTPPerry45 min
May 19, 3:19 PM EDTSpecial Weather StatementCTPCambria41 min
May 19, 3:23 PM EDTSevere Thunderstorm WarningCTPFranklin52 min
May 19, 3:42 PM EDTSevere Thunderstorm WarningCTPCentre, Mifflin48 min
May 19, 3:44 PM EDTSevere Thunderstorm WarningCTPFranklin, Juniata, Perry46 min
May 19, 4:00 PM EDTSevere Thunderstorm WarningCTPLycoming45 min
May 19, 4:07 PM EDTSevere Thunderstorm WarningCTPFranklin23 min
May 19, 4:13 PM EDTSevere Thunderstorm WarningCTPMifflin, Snyder, Union47 min
May 19, 4:23 PM EDTSevere Thunderstorm WarningCTPCumberland, Perry52 min
May 19, 4:34 PM EDTTornado WarningCTPLycoming, Sullivan26 min
May 19, 4:35 PM EDTSevere Thunderstorm WarningCTPFranklin40 min
May 19, 4:55 PM EDTSevere Thunderstorm WarningCTPLycoming, Sullivan35 min
May 19, 4:56 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder, Union49 min
May 19, 5:05 PM EDTAreal Flood AdvisoryCTPFranklin3 hr
May 19, 5:07 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Franklin53 min
May 19, 5:16 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon29 min
May 19, 5:27 PM EDTSevere Thunderstorm WarningCTPSullivan33 min
May 19, 5:30 PM EDTSpecial Weather StatementCTPSchuylkill45 min
May 19, 5:37 PM EDTTornado WarningCTPLebanon, Schuylkill23 min
May 19, 5:45 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry30 min
May 19, 5:47 PM EDTSevere Thunderstorm WarningCTPLebanon, Schuylkill58 min
May 19, 5:58 PM EDTAreal Flood AdvisoryCTPDauphin, Lebanon, Schuylkill3 hr
May 19, 6:09 PM EDTSpecial Weather StatementCTPCentre51 min
May 19, 6:10 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon, York35 min
May 19, 6:16 PM EDTSpecial Weather StatementCTPCumberland, Juniata, Perry29 min
May 19, 6:21 PM EDTFlash Flood WarningCTPFranklin4 hr
May 19, 6:23 PM EDTSevere Thunderstorm WarningCTPCentre32 min
May 19, 6:33 PM EDTAreal Flood AdvisoryCTPBlair, Huntingdon3 hr
May 19, 6:44 PM EDTSpecial Weather StatementCTPCambria31 min
May 19, 6:56 PM EDTTornado WarningCTPLancaster, York34 min
May 19, 6:57 PM EDTSpecial Weather StatementCTPAdams, Cumberland48 min
May 19, 7:11 PM EDTSevere Thunderstorm WarningCTPCambria, Clearfield49 min
May 19, 7:24 PM EDTSevere Thunderstorm WarningCTPLancaster51 min
May 19, 7:30 PM EDTSpecial Weather StatementCTPLebanon45 min
May 19, 7:32 PM EDTSevere Thunderstorm WarningCTPYork43 min
May 19, 7:48 PM EDTSpecial Weather StatementCTPSullivan27 min
May 19, 7:53 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton52 min

Nearby

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