Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 26, NWS Louisville, KY

May 20, 2017Crawford County, Perry County, Indiana

NWS Louisville, KY issued this tornado warning at May 20, 2017, 4:43 PM EDT for Crawford County, Perry County, Indiana. It was in force for 17 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: May 20, 2017, 4:43 PM EDT (20:43 UTC)
Expired: May 20, 2017, 5:00 PM EDT
In force: 17 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Crawford County, IN, Perry County, IN

The radar

The Louisville radar (KLVX), 49 km from the middle of the area, began a volume at 20:43 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

Time	Report	Where	Remark
May 20, 5:05 PM EDT	HAIL 0.88	Beechwood, IN

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.

Issued	Product	Office	Lasted
May 20, 4:23 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.7 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: 268 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

306 
WFUS53 KLMK 202043
TORLMK
INC025-123-202100-
/O.NEW.KLMK.TO.W.0026.170520T2043Z-170520T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
443 PM EDT SAT MAY 20 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  South central Crawford County in south central Indiana...
  Northeastern Perry County in south central Indiana...

* Until 500 PM EDT/400 PM CDT/
    
* At 443 PM EDT/343 PM CDT/, a severe thunderstorm capable of
  producing a tornado was located 9 miles northeast of Tell City,
  moving northeast at 25 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Mount Pleasant, Leopold, Alton, Oriole, Fredonia, Beechwood, Terry,
  West Fork, Sulphur and Cape Sandy.

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 3829 8651 3820 8636 3819 8638 3817 8638
      3816 8637 3816 8634 3812 8642 3813 8643
      3812 8646 3811 8647 3810 8646 3805 8657
      3809 8667
TIME...MOT...LOC 2043Z 223DEG 24KT 3804 8663 

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

$$

SCHOETTMER

3 follow-up statements

953 
WWUS53 KLMK 202049
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
449 PM EDT SAT MAY 20 2017

INC025-123-202100-
/O.CON.KLMK.TO.W.0026.000000T0000Z-170520T2100Z/
Crawford IN-Perry IN-
449 PM EDT SAT MAY 20 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT/400 PM CDT/
FOR SOUTH CENTRAL CRAWFORD AND NORTHEASTERN PERRY COUNTIES...
    
At 449 PM EDT/349 PM CDT/, a severe thunderstorm capable of producing
a tornado was located 11 miles southwest of Carefree Town, moving
northeast at 30 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Mount Pleasant, Alton, Cape Sandy, Oriole, Fredonia, Beechwood, West
Fork, Deuchars, Branchville and Sulphur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3829 8651 3820 8636 3819 8638 3817 8638
      3816 8637 3816 8634 3812 8642 3813 8643
      3812 8646 3811 8647 3810 8646 3808 8651
      3816 8661
TIME...MOT...LOC 2049Z 226DEG 28KT 3813 8652 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SCHOETTMER

739 
WWUS53 KLMK 202054
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
454 PM EDT SAT MAY 20 2017

INC025-123-202100-
/O.CON.KLMK.TO.W.0026.000000T0000Z-170520T2100Z/
Crawford IN-Perry IN-
454 PM EDT SAT MAY 20 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT/400 PM CDT/
FOR SOUTH CENTRAL CRAWFORD AND NORTHEASTERN PERRY COUNTIES...
    
At 453 PM EDT/353 PM CDT/, a severe thunderstorm capable of producing
a tornado was located 8 miles southwest of Carefree Town, moving
northeast at 35 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Alton, Cape Sandy, Oriole, Fredonia, Beechwood, West Fork, Deuchars
and Sulphur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3829 8651 3820 8636 3819 8638 3817 8638
      3816 8637 3816 8634 3812 8642 3813 8643
      3812 8646 3810 8646 3818 8657
TIME...MOT...LOC 2053Z 215DEG 32KT 3818 8648 

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

$$

SCHOETTMER

658 
WWUS53 KLMK 202101 RRA
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
501 PM EDT SAT MAY 20 2017

INC025-123-202111-
/O.EXP.KLMK.TO.W.0026.000000T0000Z-170520T2100Z/
Crawford IN-Perry IN-
501 PM EDT SAT MAY 20 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL CRAWFORD AND NORTHEASTERN
PERRY COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1100 PM EDT/1000
PM CDT/ for south central Indiana...and central Kentucky.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville Facebook page, or tweet your
report using hashtag L, M, K, spotter.

LAT...LON 3829 8651 3820 8636 3819 8638 3817 8638
      3816 8637 3816 8634 3812 8642 3813 8643
      3812 8646 3810 8646 3818 8657
TIME...MOT...LOC 2101Z 223DEG 24KT 3820 8646 

$$

SCHOETTMER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:57 PM EDT	River Flood Warning	LMK	Harrison, Washington	25 hr
May 19, 11:02 PM EDT	Areal Flood Warning	LMK	Washington	12 hr
May 20, 3:17 AM EDT	Special Weather Statement	LMK	Perry	28 min
May 20, 9:33 AM EDT	Special Weather Statement	LMK	Dubois	27 min
May 20, 2:54 PM EDT	Special Weather Statement	LMK	Dubois	36 min
May 20, 3:53 PM EDT	Special Weather Statement	LMK	Perry	37 min
May 20, 4:16 PM EDT	Special Weather Statement	LMK	Crawford	29 min
May 20, 4:24 PM EDT	Severe Thunderstorm Warning	LMK	Perry	36 min
May 20, 4:32 PM EDT	Special Weather Statement	LMK	Perry	28 min
May 20, 4:58 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	32 min
May 20, 5:11 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	22 min
May 20, 5:24 PM EDT	Special Weather Statement	LMK	Harrison	36 min
May 20, 5:28 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Floyd, Harrison, Washington	32 min
May 20, 6:01 PM EDT	Special Weather Statement	LMK	Clark, Floyd	29 min
May 20, 6:08 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Floyd	37 min
May 20, 6:16 PM EDT	Special Weather Statement	LMK	Scott	29 min
May 20, 6:33 PM EDT	Severe Thunderstorm Warning	LMK	Clark	16 min
May 20, 6:55 PM EDT	Special Weather Statement	LMK	Jefferson	35 min
May 20, 7:05 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	25 min
May 20, 7:09 PM EDT	Tornado Warning	LMK	Jefferson	21 min

Nearby

Tornado Warnings in Indiana, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.