Alert archive / Indiana / Tornado Warnings in 2017

Tornado Warning 1, NWS Louisville, KY

February 28, 2017Dubois County, Indiana

NWS Louisville, KY issued this tornado warning at Feb 28, 2017, 11:56 PM EST for Dubois County, Indiana. It was in force for 34 min. 4 reports 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: Feb 28, 2017, 11:56 PM EST (04:56 UTC)
Expired: Mar 1, 2017, 12:30 AM EST
In force: 34 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Dubois County, IN

The radar

The Evansville,IN radar (KVWX), 75 km from the middle of the area, began a volume at 04:56 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
Mar 1, 12:03 AM EST	TORNADO	Ireland, IN	AN EF-2 TORNADO WITH MAXIMUM WIND SPEEDS OF 130 MPH TOUCHED DOWN 4.1 MILES WSW OF IRELAND INDIANA. INITIALLY...A LARGE POLE BARD WAS DESTROYED ALONG WITH DAMAGE TO SEVERAL HOMES. THE TORNADO THEN TRAVELED A MILE NE WHERE IT DAMAGED SEVERAL HOMES...INCLUDING 1
Mar 1, 12:03 AM EST	TORNADO	Ireland, IN	AN EF-2 TORNADO WITH MAXIMUM WIND SPEEDS OF 130 MPH TOUCHED DOWN 4.1 MILES WSW OF IRELAND INDIANA. INITIALLY...A LARGE POLE BARD WAS DESTROYED ALONG WITH DAMAGE TO SEVERAL HOMES. THE TORNADO THEN TRAVELED A MILE NE WHERE IT DAMAGED SEVERAL HOMES...INCLUDING 1
Mar 1, 12:10 AM EST	TSTM WND DMG	Ireland, IN	NUMEROUS DOWNED TREES BLOCKING ROADS AND A LARGE DOWNED TREE ON A HOME.
Mar 1, 12:10 AM EST	TSTM WND DMG	Ireland, IN	SHINGLES BLOWN OFF HOME. FENCE BLOWN DOWN.

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
Feb 28, 9:29 PM EST	Tornado Watch	SPC	12 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.9 hours before the alert went out and 236 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: 687 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 887 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 395 m²/s²
0-3 km storm-relative helicity: 431 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted.

999 
WFUS53 KLMK 010456
TORLMK
INC037-010530-
/O.NEW.KLMK.TO.W.0001.170301T0456Z-170301T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
1156 PM EST TUE FEB 28 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northern Dubois County in south central Indiana...

* Until 1230 AM EST
    
* At 1156 PM EST, a severe thunderstorm capable of producing a
  tornado was located over Winslow, moving east at 55 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...
  Jasper, Dubois, Hillham, Celestine, Portersville, Millersport,
  Dubois Crossroads, Norton, Kellerville and Haysville.

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 3848 8707 3850 8698 3850 8696 3849 8695
      3851 8693 3850 8691 3850 8687 3851 8685
      3853 8683 3852 8668 3838 8668 3832 8707
TIME...MOT...LOC 0456Z 249DEG 50KT 3838 8720 

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

$$

TWF

1 follow-up statement

193 
WWUS53 KLMK 010518
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1218 AM EST WED MAR 1 2017

INC037-010530-
/O.CON.KLMK.TO.W.0001.000000T0000Z-170301T0530Z/
Dubois IN-
1218 AM EST WED MAR 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 AM EST FOR
NORTHEASTERN DUBOIS COUNTY...
    
At 1218 AM EST, a severe thunderstorm capable of producing a tornado
was located near Jasper, moving east at 50 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...
Jasper, Dubois, Ellsworth, Hillham, Cuzco, Thales, Dubois Crossroads,
Norton, Kellerville and Haysville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3846 8695 3849 8695 3851 8693 3850 8691
      3850 8687 3851 8685 3853 8683 3852 8668
      3840 8668 3840 8693
TIME...MOT...LOC 0518Z 252DEG 42KT 3844 8691 

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

$$

TWF

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 12:33 AM EST	Tornado Warning	LMK	Orange	28 min
Mar 1, 12:48 AM EST	Tornado Warning	LMK	Washington	42 min
Mar 1, 1:19 AM EST	Severe Thunderstorm Warning	LMK	Jefferson, Scott	31 min
Mar 1, 1:22 AM EST	Special Weather Statement	LMK	Dubois	23 min
Mar 1, 1:43 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Perry	32 min
Mar 1, 1:46 AM EST	Severe Thunderstorm Warning	LMK	Jefferson	29 min
Mar 1, 1:49 AM EST	Severe Thunderstorm Warning	LMK	Perry	41 min
Mar 1, 2:15 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Perry	30 min
Mar 1, 2:25 AM EST	Severe Thunderstorm Warning	LMK	Harrison	35 min
Mar 1, 2:29 AM EST	Special Weather Statement	LMK	Jefferson, Scott	31 min
Mar 1, 2:41 AM EST	Severe Thunderstorm Warning	LMK	Harrison	49 min
Mar 1, 3:01 AM EST	Severe Thunderstorm Warning	LMK	Harrison	29 min
Mar 1, 5:18 AM EST	Special Weather Statement	LMK	Dubois, Orange, Washington	42 min
Mar 1, 5:33 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Harrison, Orange, Washington	27 min
Mar 1, 5:47 AM EST	Tornado Warning	LMK	Washington	13 min
Mar 1, 5:57 AM EST	Severe Thunderstorm Warning	LMK	Clark, Crawford, Floyd, Harrison, Jefferson, Perry and 2 more	33 min
Mar 1, 6:04 AM EST	Tornado Warning	LMK	Clark	26 min
Mar 1, 6:22 AM EST	Severe Thunderstorm Warning	LMK	Clark, Floyd, Harrison, Jefferson, Scott	23 min
Mar 1, 6:46 AM EST	Areal Flood Advisory	LMK	Clark, Crawford, Floyd, Harrison, Perry	3 hr
Mar 1, 6:46 AM EST	Severe Thunderstorm Warning	LMK	Harrison	44 min
Mar 1, 8:05 AM EST	Areal Flood Advisory	LMK	Clark, Jefferson, Scott	3 hr
Mar 1, 9:38 AM EST	River Flood Warning	LMK	Jefferson, Scott	17 hr

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.