Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 30, NWS Louisville, KY

April 19, 2011Crawford County, Perry County, Indiana

NWS Louisville, KY issued this tornado warning at Apr 19, 2011, 11:47 PM EDT for Crawford County, Perry County, Indiana. It was in force for 12 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 19, 2011, 11:47 PM EDT (03:47 UTC)
Expired
Apr 19, 2011, 11:59 PM EDT
In force
12 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

Counties Crawford County, IN, Perry County, IN

The radar

The Louisville radar (KLVX), 56 km from the middle of the area, began a volume at 03:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 10:13 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.8 hours before the alert went out and 229 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, Nashville Metro, TN at 00:00Z on 2011-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1997 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2011-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.193958Sfc1 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
1997 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1626 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.4
Supercell composite
7.7

Open this sounding in Storm Lab

The text

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

277 
WFUS53 KLMK 200347
TORLMK
INC025-123-200430-
/O.NEW.KLMK.TO.W.0030.110420T0347Z-110420T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1047 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CRAWFORD COUNTY IN SOUTH CENTRAL INDIANA...
  EASTERN PERRY COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 1130 PM CDT/1230 AM EDT/...

* AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WEST FORK...MOVING NORTHEAST AT 60 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...

  MAINLY RURAL AREAS OF CENTRAL CRAWFORD AND EASTERN PERRY COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...WIDESPREAD HURRICANE FORCE WINDS ARE
LIKELY. SEEK SHELTER NOW!

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3823 8646 3804 8656 3808 8657 3826 8658
      3828 8648
TIME...MOT...LOC 0347Z 230DEG 54KT 3823 8654

$$

DK
1 follow-up statement
372 
WWUS53 KLMK 200359
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1059 PM CDT TUE APR 19 2011

INC025-123-200409-
/O.CAN.KLMK.TO.W.0030.000000T0000Z-110420T0430Z/
CRAWFORD IN-PERRY IN-
1059 PM CDT TUE APR 19 2011

...THE TORNADO WARNING FOR EASTERN PERRY AND CENTRAL CRAWFORD
COUNTIES IS CANCELLED...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

LAT...LON 3823 8646 3804 8656 3808 8657 3826 8658
      3828 8648
TIME...MOT...LOC 0359Z 230DEG 54KT 3834 8636

$$

MP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 10:26 PM EDTSpecial Weather StatementLMKCrawford, Dubois, Orange, Perry49 min
Apr 19, 10:51 PM EDTSevere Thunderstorm WarningLMKCrawford, Dubois, Orange, Perry24 min
Apr 19, 10:59 PM EDTTornado WarningLMKCrawford, Dubois, Orange, Perry46 min
Apr 19, 11:29 PM EDTSevere Thunderstorm WarningLMKPerry46 min
Apr 19, 11:34 PM EDTTornado WarningLMKClark, Crawford, Floyd, Harrison, Orange, Perry and 2 more41 min
Apr 19, 11:54 PM EDTTornado WarningLMKHarrison36 min
Apr 20, 12:04 AM EDTTornado WarningLMKClark, Floyd, Harrison56 min
Apr 20, 12:17 AM EDTTornado WarningLMKClark, Floyd, Jefferson, Scott, Washington43 min
Apr 20, 12:19 AM EDTSevere Thunderstorm WarningLMKCrawford, Floyd, Harrison, Washington11 min
Apr 20, 12:25 AM EDTTornado WarningLMKClark, Jefferson50 min
Apr 20, 12:35 AM EDTTornado WarningLMKJefferson25 min
Apr 20, 10:24 AM EDTRiver Flood WarningLMKClark, Floyd15 days
Apr 20, 10:24 AM EDTRiver Flood WarningLMKClark, Floyd, Harrison49 hr
Apr 20, 10:24 AM EDTRiver Flood WarningLMKCrawford, Perry17 days

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.