Alert archive / Pennsylvania / Tornado Warnings in 2019

Tornado Warning 21, NWS State College, PA

August 15, 2019Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at Aug 15, 2019, 3:11 PM EDT for Bedford County, Pennsylvania. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 15, 2019, 3:11 PM EDT (19:11 UTC)
Expired
Aug 15, 2019, 4:00 PM EDT
In force
49 min
Issued by
NWS State College, PA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Bedford County, PA

The radar

The Sterling radar (KLWX), 126 km from the middle of the area, began a volume at 19:14 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.2 hours before the alert went out and 133 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 2019-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 829 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 2019-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.19395878Sfc1 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
829 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

595 
WFUS51 KCTP 151911
TORCTP
PAC009-152000-
/O.NEW.KCTP.TO.W.0021.190815T1911Z-190815T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
311 PM EDT Thu Aug 15 2019

The National Weather Service in State College PA has issued a

* Tornado Warning for...
  Southern Bedford County in south central Pennsylvania...

* Until 400 PM EDT.
    
* At 311 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Lake Gordon, moving east at 15 mph.

  HAZARD...Tornado and quarter 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...
  Inglesmith and Barnes Gap around 400 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Rainsburg.

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 3975 7852 3983 7873 3992 7869 3989 7827
      3975 7835 3972 7838
TIME...MOT...LOC 1911Z 277DEG 10KT 3984 7862 

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

$$

La Corte
2 follow-up statements
402 
WWUS51 KCTP 151928
SVSCTP

Severe Weather Statement
National Weather Service State College PA
328 PM EDT Thu Aug 15 2019

PAC009-152000-
/O.CON.KCTP.TO.W.0021.000000T0000Z-190815T2000Z/
Bedford PA-
328 PM EDT Thu Aug 15 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR
SOUTHEASTERN BEDFORD COUNTY...
    
At 328 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Lake Gordon, moving east at 15 mph.

HAZARD...Tornado and quarter 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...
  Inglesmith and Barnes Gap around 400 PM EDT.

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 3975 7852 3981 7859 3987 7856 3989 7827
      3975 7835 3972 7838
TIME...MOT...LOC 1928Z 277DEG 10KT 3983 7856 

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

$$

La Corte
697 
WWUS51 KCTP 151957
SVSCTP

Severe Weather Statement
National Weather Service State College PA
357 PM EDT Thu Aug 15 2019

PAC009-152007-
/O.EXP.KCTP.TO.W.0021.000000T0000Z-190815T2000Z/
Bedford PA-
357 PM EDT Thu Aug 15 2019

...THE TORNADO WARNING FOR SOUTHEASTERN BEDFORD COUNTY WILL EXPIRE AT
400 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3975 7852 3981 7859 3987 7856 3989 7827
      3975 7835 3972 7838
TIME...MOT...LOC 1957Z 277DEG 10KT 3982 7847 

$$

La Corte

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 1:29 PM EDTSpecial Weather StatementCTPClearfield46 min
Aug 15, 2:10 PM EDTAreal Flood AdvisoryCTPColumbia3 hr
Aug 15, 2:13 PM EDTSpecial Weather StatementCTPBedford47 min
Aug 15, 3:00 PM EDTSevere Thunderstorm WarningCTPBedford60 min
Aug 15, 3:39 PM EDTSpecial Weather StatementCTPClearfield51 min
Aug 15, 3:47 PM EDTSpecial Weather StatementCTPClinton28 min
Aug 15, 3:47 PM EDTSevere Thunderstorm WarningCTPLycoming58 min
Aug 15, 3:56 PM EDTSevere Thunderstorm WarningCTPClinton94 min
Aug 15, 4:03 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield57 min
Aug 15, 4:06 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton27 min
Aug 15, 4:19 PM EDTFlash Flood WarningCTPLycoming3 hr
Aug 15, 4:47 PM EDTSpecial Weather StatementCTPLycoming28 min
Aug 15, 4:52 PM EDTAreal Flood AdvisoryCTPCentre, Clearfield113 min
Aug 15, 5:08 PM EDTSevere Thunderstorm WarningCTPLycoming67 min
Aug 15, 5:10 PM EDTSpecial Weather StatementCTPPotter35 min
Aug 15, 5:11 PM EDTSpecial Weather StatementCTPBlair49 min
Aug 15, 5:19 PM EDTSevere Thunderstorm WarningCTPCambria, Clearfield56 min
Aug 15, 5:22 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon53 min
Aug 15, 5:28 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga62 min
Aug 15, 5:44 PM EDTSpecial Weather StatementCTPCentre46 min
Aug 15, 5:53 PM EDTSevere Thunderstorm WarningCTPBlair, Cambria67 min
Aug 15, 6:16 PM EDTSevere Thunderstorm WarningCTPHuntingdon, Mifflin59 min
Aug 15, 6:32 PM EDTAreal Flood AdvisoryCTPMcKean, Potter3 hr
Aug 15, 6:44 PM EDTSpecial Weather StatementCTPMcKean, Potter31 min
Aug 15, 6:51 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter54 min
Aug 15, 6:55 PM EDTSevere Thunderstorm WarningCTPHuntingdon, Juniata, Mifflin, Perry, Snyder65 min
Aug 15, 7:08 PM EDTSpecial Weather StatementCTPBlair37 min
Aug 15, 7:18 PM EDTSevere Thunderstorm WarningCTPHuntingdon72 min
Aug 15, 7:27 PM EDTFlash Flood WarningCTPMcKean, Potter3 hr
Aug 15, 7:33 PM EDTSevere Thunderstorm WarningCTPPotter57 min
Aug 15, 7:38 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter67 min
Aug 15, 7:59 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Huntingdon, Juniata, Perry61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.