Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 31, NWS Louisville, KY

October 7, 2017Crawford County, Dubois County, Orange County, Indiana

NWS Louisville, KY issued this tornado warning at Oct 7, 2017, 7:02 PM EDT for Crawford County, Dubois County, Orange County, Indiana. It was in force for 28 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
Oct 7, 2017, 7:02 PM EDT (23:02 UTC)
Expired
Oct 7, 2017, 7:30 PM EDT
In force
28 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Crawford County, IN, Dubois County, IN, Orange County, IN

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 23:04 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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.0 hours before the alert went out and 245 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 12:00Z on 2017-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 2017-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WFUS53 KLMK 072302
TORLMK
INC025-037-117-072330-
/O.NEW.KLMK.TO.W.0031.171007T2302Z-171007T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
702 PM EDT SAT OCT 7 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Southeastern Dubois County in south central Indiana...
  Northern Crawford County in south central Indiana...
  South central Orange County in south central Indiana...

* Until 730 PM EDT
    
* At 701 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 13 miles southeast of Jasper, moving northeast at 45
  mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* Locations impacted include...
  English, Marengo, Birdseye, Riceville, Ethel, Taswell, Mentor,
  Bacon, Eckerty and Mifflin.

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 3851 8650 3835 8631 3826 8659 3826 8668
      3825 8668 3825 8679 3826 8680
TIME...MOT...LOC 2301Z 237DEG 40KT 3827 8674 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13
3 follow-up statements
668 
WWUS53 KLMK 072313
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
713 PM EDT SAT OCT 7 2017

INC037-072322-
/O.CAN.KLMK.TO.W.0031.000000T0000Z-171007T2330Z/
Dubois IN-
713 PM EDT SAT OCT 7 2017

...THE TORNADO WARNING FOR SOUTHEASTERN DUBOIS COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3851 8650 3835 8631 3826 8658 3826 8668
      3836 8668
TIME...MOT...LOC 2312Z 235DEG 36KT 3833 8664 

$$

INC025-117-072330-
/O.CON.KLMK.TO.W.0031.000000T0000Z-171007T2330Z/
Crawford IN-Orange IN-
713 PM EDT SAT OCT 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR NORTHERN
CRAWFORD AND SOUTH CENTRAL ORANGE COUNTIES...
    
At 712 PM EDT, a severe thunderstorm capable of producing a tornado
was located 9 miles west of English, moving northeast at 40 mph.

HAZARD...TORNADO. 

SOURCE...Radar indicated rotation. 

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

Locations impacted include...
English, Marengo, Riceville, Ethel, Taswell, Bacon, Eckerty, Mifflin,
Greenbrier and Wickliffe.

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 3851 8650 3835 8631 3826 8658 3826 8668
      3836 8668
TIME...MOT...LOC 2312Z 235DEG 36KT 3833 8664 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13
066 
WWUS53 KLMK 072321
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
721 PM EDT SAT OCT 7 2017

INC025-072330-
/O.CAN.KLMK.TO.W.0031.000000T0000Z-171007T2330Z/
Crawford IN-
721 PM EDT SAT OCT 7 2017

...THE TORNADO WARNING FOR NORTHERN CRAWFORD COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3851 8650 3842 8639 3840 8648 3840 8663
TIME...MOT...LOC 2320Z 234DEG 43KT 3841 8652 

$$

INC117-072330-
/O.CON.KLMK.TO.W.0031.000000T0000Z-171007T2330Z/
Orange IN-
721 PM EDT SAT OCT 7 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR SOUTH
CENTRAL ORANGE COUNTY...
    
At 720 PM EDT, a severe thunderstorm capable of producing a tornado 
was located near Ethel on the Crawford County line, moving northeast 
at 50 mph.

HAZARD...TORNADO. 

SOURCE...Radar indicated rotation. 

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

Locations impacted include...
Ethel, Bacon, Youngs Creek, Fargo and Greenbrier. 

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 3851 8650 3842 8639 3840 8648 3840 8663
TIME...MOT...LOC 2320Z 234DEG 43KT 3841 8652 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

13
380 
WWUS53 KLMK 072330
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
730 PM EDT SAT OCT 7 2017

INC117-072340-
/O.EXP.KLMK.TO.W.0031.000000T0000Z-171007T2330Z/
Orange IN-
730 PM EDT SAT OCT 7 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL ORANGE COUNTY HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been allowed to expire.

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 3851 8650 3842 8639 3840 8648 3840 8663
TIME...MOT...LOC 2330Z 237DEG 40KT 3847 8641 

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 6:54 PM EDTSpecial Weather StatementLMKDubois, Orange21 min
Oct 7, 7:43 PM EDTSpecial Weather StatementLMKWashington32 min

Nearby

Tornado Warnings in Indiana, 2017Every tornado warning in 2017Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.