Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 91, NWS Paducah, KY

April 26, 2011Pike County, Indiana

NWS Paducah, KY issued this tornado warning at Apr 26, 2011, 3:28 AM EDT for Pike County, Indiana. It was in force for 8 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
Apr 26, 2011, 3:28 AM EDT (07:28 UTC)
Expired
Apr 26, 2011, 3:36 AM EDT
In force
8 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Pike County, IN

The radar

The Evansville,IN radar (KVWX), 58 km from the middle of the area, began a volume at 07:30 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

Lincoln, IL (KILX), launched 00:00Z, 7.5 hours before the alert went out and 227 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 2011-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLEL10008507005003002001001 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 2011-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
48 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

294 
WFUS53 KPAH 260728
TORPAH
INC125-260800-
/O.NEW.KPAH.TO.W.0091.110426T0728Z-110426T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
228 AM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN PIKE COUNTY IN SOUTHWEST INDIANA...

* UNTIL 300 AM CDT.

* AT 225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EAST
  CENTRAL PIKE COUNTY...MOVING NORTHEAST AT 60 MPH.

  THIS STORM HAS A HISTORY OF PRODUCING A POSSIBLE TORNADO IN        
  WARRICK COUNTY.

* THE TORNADO WILL IMPACT RURAL AREAS OF THE INDICATED COUNTY.

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.

&&

LAT...LON 3851 8706 3837 8707 3836 8707 3842 8724
      3854 8718 3854 8711
TIME...MOT...LOC 0728Z 203DEG 54KT 3848 8709

$$
1 follow-up statement
248 
WWUS53 KPAH 260736
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
236 AM CDT TUE APR 26 2011

INC125-260746-
/O.CAN.KPAH.TO.W.0091.000000T0000Z-110426T0800Z/
PIKE IN-
236 AM CDT TUE APR 26 2011

...THE TORNADO WARNING FOR NORTHEASTERN PIKE COUNTY IN SOUTHWEST
INDIANA IS CANCELLED...

THE TORNADIC STORM HAS EXITED THE COUNTY.

LAT...LON 3851 8706 3837 8707 3836 8707 3842 8724
      3854 8718 3854 8711
TIME...MOT...LOC 0736Z 203DEG 54KT 3859 8703

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 11:00 PM EDTFlash Flood WarningPAHGibson, Posey6 hr
Apr 26, 1:32 AM EDTFlash Flood WarningPAHPike, Spencer, Vanderburgh, Warrick3 hr
Apr 26, 2:49 AM EDTSevere Thunderstorm WarningPAHGibson, Pike, Spencer, Vanderburgh, Warrick26 min
Apr 26, 2:57 AM EDTTornado WarningPAHWarrick19 min
Apr 26, 3:07 AM EDTTornado WarningPAHPike, Warrick12 min
Apr 26, 3:14 AM EDTSevere Thunderstorm WarningPAHPike16 min
Apr 26, 6:05 PM EDTTornado WarningPAHSpencer24 min
Apr 26, 6:40 PM EDTSevere Thunderstorm WarningPAHSpencer, Warrick24 min
Apr 26, 6:53 PM EDTTornado WarningPAHPike, Spencer, Warrick18 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.