Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 48, NWS Louisville, KY

April 23, 2011Crawford County, Perry County, Indiana

NWS Louisville, KY issued this tornado warning at Apr 23, 2011, 12:59 AM EDT for Crawford County, Perry County, Indiana. It was in force for 18 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 23, 2011, 12:59 AM EDT (04:59 UTC)
Expired: Apr 23, 2011, 1:17 AM EDT
In force: 18 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Crawford County, IN, Perry County, IN

The radar

The Louisville radar (KLVX), 52 km from the middle of the area, began a volume at 05:03 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.

Issued	Product	Office	Lasted
Apr 22, 6:49 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.0 hours before the alert went out and 226 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 719 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1368 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 309 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

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

185 
WFUS53 KLMK 230459
TORLMK
INC025-123-230530-
/O.NEW.KLMK.TO.W.0048.110423T0459Z-110423T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1159 PM CDT FRI APR 22 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 1230 AM CDT/130 AM EDT/...

* AT 1155 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR LILLY DALE...MOVING NORTHEAST AT 50 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  ENGLISH...
  LEOPOLD AND BANDON...
  ORIOLE AND MOUNT PLEASANT...
  SULPHUR SPRINGS AND BEECHWOOD...
  RIDDLE AND SWITZER CROSSROADS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TAKE COVER NOW! TORNADOES AT NIGHT CAN BE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR THE TORNADO. IT MAY BE TOO LATE.

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 3839 8652 3826 8627 3818 8635 3820 8638
      3819 8639 3816 8638 3812 8643 3813 8645
      3813 8647 3812 8648 3809 8645 3791 8666
      3804 8679 3807 8679
TIME...MOT...LOC 0459Z 222DEG 44KT 3806 8663

$$

MJ

2 follow-up statements

547 
WWUS53 KLMK 230506
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
106 AM EDT SAT APR 23 2011

INC025-123-230530-
/O.CON.KLMK.TO.W.0048.000000T0000Z-110423T0530Z/
CRAWFORD IN-PERRY IN-
106 AM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM EDT /1230 AM CDT/
FOR EASTERN PERRY AND CRAWFORD COUNTIES...

AT 1203 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS POTENTIAL TORNADO 
WAS LOCATED NEAR DERBY...MOVING EAST AT 55 MPH.

* THE TORNADO WILL IMPACT...
  LEAVENWORTH...
  MAGNET...
  MOUNT PLEASANT...
  LEOPOLD...
  ORIOLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3839 8652 3826 8627 3818 8635 3820 8638
      3817 8639 3816 8638 3812 8643 3813 8645
      3813 8648 3809 8645 3804 8652 3803 8652
      3799 8657 3804 8662
TIME...MOT...LOC 0505Z 248DEG 49KT 3806 8652

$$

13

584 
WWUS53 KLMK 230517
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
117 AM EDT SAT APR 23 2011

INC025-123-230526-
/O.CAN.KLMK.TO.W.0048.000000T0000Z-110423T0530Z/
CRAWFORD IN-PERRY IN-
117 AM EDT SAT APR 23 2011

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

THE STORM THAT PROMPTED THE WARNING HAS MOVED TO THE EAST OF THE 
WARNED AREA INTO MEADE COUNTY...HEADING FOR HARRISON COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT.

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 3839 8652 3826 8627 3818 8635 3820 8638
      3817 8639 3816 8638 3812 8643 3813 8645
      3813 8648 3809 8645 3804 8652 3803 8652
      3799 8657 3804 8662
TIME...MOT...LOC 0516Z 248DEG 49KT 3811 8634

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 10:40 PM EDT	Special Weather Statement	LMK	Dubois	50 min
Apr 22, 11:24 PM EDT	Special Weather Statement	LMK	Crawford, Dubois, Orange, Perry	51 min
Apr 22, 11:38 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange, Perry	37 min
Apr 23, 12:05 AM EDT	Flash Flood Warning	LMK	Crawford, Dubois, Perry	8 hr
Apr 23, 12:06 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison, Perry	24 min
Apr 23, 12:13 AM EDT	Special Weather Statement	LMK	Clark, Floyd, Harrison, Jefferson, Scott, Washington	62 min
Apr 23, 12:29 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison, Perry	31 min
Apr 23, 12:36 AM EDT	Tornado Warning	LMK	Perry	24 min
Apr 23, 12:47 AM EDT	Tornado Warning	LMK	Harrison	13 min
Apr 23, 12:50 AM EDT	Flash Flood Warning	LMK	Crawford, Harrison	6 hr
Apr 23, 12:50 AM EDT	Severe Thunderstorm Warning	LMK	Harrison	25 min
Apr 23, 1:14 AM EDT	Tornado Warning	LMK	Crawford, Harrison	31 min
Apr 23, 3:17 AM EDT	Flash Flood Warning	LMK	Crawford, Dubois, Orange	9 hr
Apr 23, 3:23 AM EDT	Special Weather Statement	LMK	Dubois	22 min
Apr 23, 3:39 AM EDT	Severe Thunderstorm Warning	LMK	Dubois, Perry	22 min
Apr 23, 3:55 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Harrison, Perry	35 min
Apr 23, 4:16 AM EDT	Special Weather Statement	LMK	Clark, Crawford, Floyd, Harrison, Perry	44 min
Apr 23, 4:39 AM EDT	Severe Thunderstorm Warning	LMK	Harrison	36 min
Apr 23, 4:59 AM EDT	Areal Flood Advisory	LMK	Clark, Floyd, Scott, Washington	3 hr
Apr 23, 7:21 AM EDT	Flash Flood Warning	LMK	Crawford, Dubois, Perry	6 hr
Apr 23, 7:51 AM EDT	Flash Flood Warning	LMK	Crawford, Harrison	5 hr
Apr 23, 10:30 AM EDT	River Flood Warning	LMK	Clark, Floyd, Harrison	12 days
Apr 23, 10:32 AM EDT	River Flood Warning	LMK	Jefferson	6 days
Apr 23, 10:36 AM EDT	River Flood Warning	LMK	Jefferson, Scott	3 days
Apr 23, 11:02 AM EDT	Special Weather Statement	LMK	Floyd	28 min
Apr 23, 11:12 AM EDT	Severe Thunderstorm Warning	LMK	Clark	18 min
Apr 23, 11:15 AM EDT	Special Weather Statement	LMK	Orange, Washington	30 min
Apr 23, 11:37 AM EDT	Special Weather Statement	LMK	Clark, Floyd, Harrison	23 min
Apr 23, 12:01 PM EDT	Special Weather Statement	LMK	Clark	29 min
Apr 23, 12:14 PM EDT	Flash Flood Warning	LMK	Crawford, Dubois, Orange, Perry	3 hr
Apr 23, 12:57 PM EDT	Special Weather Statement	LMK	Dubois, Orange	48 min
Apr 23, 1:10 PM EDT	Flash Flood Warning	LMK	Clark, Floyd, Harrison, Scott, Washington	3 hr
Apr 23, 1:18 PM EDT	Special Weather Statement	LMK	Floyd, Harrison	27 min
Apr 23, 1:21 PM EDT	Special Weather Statement	LMK	Crawford, Jefferson, Orange, Scott, Washington	39 min
Apr 23, 2:13 PM EDT	Special Weather Statement	LMK	Clark	62 min
Apr 23, 2:34 PM EDT	Flash Flood Warning	LMK	Jefferson, Scott	16 hr
Apr 23, 3:16 PM EDT	Flash Flood Warning	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Orange and 2 more	15 hr
Apr 23, 5:06 PM EDT	River Flood Warning	LMK	Harrison, Washington	44 hr

Nearby

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