Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 52, NWS Paducah, KY

April 19, 2011Gibson County, Pike County, Indiana

NWS Paducah, KY issued this tornado warning at Apr 19, 2011, 9:50 PM CDT for Gibson County, Pike County, Indiana. It was in force for 25 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
Apr 19, 2011, 9:50 PM CDT (02:50 UTC)
Expired
Apr 19, 2011, 10:15 PM CDT
In force
25 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Gibson County, IN, Pike County, IN

The radar

The Evansville,IN radar (KVWX), 44 km from the middle of the area, began a volume at 02:49 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
Apr 19, 10:15 PM CDTTSTM WND DMGPrinceton, INLATE REPORT. POWER LINES DOWN. TELEPHONE POLES SNAPPED ALONG OLD STATE HWY 65.

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
Apr 19, 6:46 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 215 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, Lincoln, IL at 00:00Z on 2011-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2409 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, Lincoln, IL at 00:00Z on 2011-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 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
2409 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
547 m²/s²
Significant tornado parameter
0.0
Supercell composite
24.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

240 
WFUS53 KPAH 200250
TORPAH
INC051-125-200315-
/O.NEW.KPAH.TO.W.0052.110420T0250Z-110420T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
950 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GIBSON COUNTY IN SOUTHWEST INDIANA...
  NORTHERN PIKE COUNTY IN SOUTHWEST INDIANA...

* UNTIL 1015 PM CDT.

* AT 945 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES WEST OF
  PRINCETON...MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  PATOKA...
  PRINCETON...
  PETERSBURG...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NOW IS THE TIME TO IMPLEMENT YOUR TORNADO PLAN OF ACTION. SEEK
SHELTER INDOORS IN A BASEMENT...OR IN AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A HOME OR BUILDING.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

&&

LAT...LON 3853 8716 3854 8711 3852 8707 3844 8708
      3826 8779 3835 8783 3854 8742 3855 8736
      3852 8732 3852 8730 3855 8725 3856 8719
TIME...MOT...LOC 0250Z 244DEG 63KT 3834 8770

$$
1 follow-up statement
403 
WWUS53 KPAH 200309
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1009 PM CDT TUE APR 19 2011

INC051-200318-
/O.CAN.KPAH.TO.W.0052.000000T0000Z-110420T0315Z/
GIBSON IN-
1009 PM CDT TUE APR 19 2011

...THE TORNADO WARNING FOR NORTHERN GIBSON COUNTY IN SOUTHWEST
INDIANA IS CANCELLED...

LAT...LON 3853 8716 3854 8711 3852 8707 3844 8708
      3838 8741 3844 8742 3848 8747 3854 8742
      3855 8736 3852 8732 3852 8730 3855 8725
      3856 8719
TIME...MOT...LOC 0308Z 244DEG 63KT 3848 8733

$$

INC125-200315-
/O.CON.KPAH.TO.W.0052.000000T0000Z-110420T0315Z/
PIKE IN-
1009 PM CDT TUE APR 19 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR NORTHERN
PIKE COUNTY IN SOUTHWEST INDIANA...

AT 1003 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 9
MILES SOUTHWEST OF PETERSBURG...MOVING NORTHEAST AT 70 MPH. A SECOND 
AREA OF STRONG ROTATION WAS LOCATED NEAR OATSVILLE...MOVING 
NORTHEAST AT 70 MPH.

THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED
COUNTY..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

&&

LAT...LON 3853 8716 3854 8711 3852 8707 3844 8708
      3838 8741 3844 8742 3848 8747 3854 8742
      3855 8736 3852 8732 3852 8730 3855 8725
      3856 8719
TIME...MOT...LOC 0308Z 244DEG 63KT 3848 8733

$$

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 9:13 PM CDTTornado WarningPAHPosey32 min
Apr 19, 9:17 PM CDTSevere Thunderstorm WarningPAHGibson, Pike, Posey, Spencer, Vanderburgh, Warrick58 min
Apr 19, 9:19 PM CDTAreal Flood AdvisoryPAHPosey3 hr
Apr 19, 9:29 PM CDTTornado WarningPAHGibson, Posey31 min
Apr 19, 9:45 PM CDTTornado WarningPAHPosey, Vanderburgh, Warrick30 min
Apr 19, 9:46 PM CDTAreal Flood AdvisoryPAHGibson, Pike, Spencer, Vanderburgh, Warrick3 hr
Apr 19, 10:03 PM CDTTornado WarningPAHPike, Spencer, Warrick27 min
Apr 19, 10:07 PM CDTSevere Thunderstorm WarningPAHGibson, Pike, Posey, Spencer, Vanderburgh, Warrick53 min
Apr 19, 10:16 PM CDTTornado WarningPAHPike11 min
Apr 19, 10:23 PM CDTTornado WarningPAHSpencer15 min

Nearby

Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes in 2011

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.