Alert archive / Indiana / Tornado Watches in 2024

Tornado Watch 27

February 27, 20244 states

The Storm Prediction Center issued this tornado watch at Feb 27, 2024, 9:29 PM CST for 4 states. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued: Feb 27, 2024, 9:29 PM CST (03:29 UTC)
Expired: Feb 28, 2024, 7:00 AM CST
In force: 10 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 139 counties

Alexander County, IL, Bond County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Crawford County, IL, Cumberland County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bartholomew County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Gibson County, IN, Greene County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Switzerland County, IN, Union County, IN, Vanderburgh County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Anderson County, KY, Ballard County, KY, Boone County, KY, Bourbon County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Crittenden County, KY, Daviess County, KY, Fayette County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Hancock County, KY, Harrison County, KY, Henderson County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Livingston County, KY, Mason County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Union County, KY, Webster County, KY, Woodford County, KY, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Logan County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Warren County, OH

The radar

The Evansville,IN radar (KVWX), 61 km from the middle of the area, began a volume at 03:30 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 60%
One or more EF2 to EF5 tornadoes: 40%
Ten or more severe wind reports: 50%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 40%
Six or more combined severe hail and wind reports: 80%

Warnings issued inside it

32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Feb 27, 11:45 PM CST	Tornado Warning	ILX	Clark, Crawford, Cumberland, Jasper	29 min
Feb 28, 12:01 AM CST	Severe Thunderstorm Warning Considerable damage threat	IND	Clay, Parke, Vigo	29 min
Feb 28, 12:27 AM CST	Severe Thunderstorm Warning Considerable damage threat	IND	Clay, Owen, Parke, Putnam, Vigo	33 min
Feb 28, 12:52 AM CST	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan, Owen, Putnam	38 min
Feb 28, 1:10 AM CST	Severe Thunderstorm Warning	ILX	Crawford, Lawrence	22 min
Feb 28, 1:21 AM CST	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Martin, Sullivan	39 min
Feb 28, 1:27 AM CST	Severe Thunderstorm Warning	IND	Hancock, Henry, Johnson, Marion, Morgan, Rush and 1 more	48 min
Feb 28, 1:32 AM CST	Severe Thunderstorm Warning	IND	Clay, Greene, Monroe, Morgan, Owen	28 min
Feb 28, 1:54 AM CST	Severe Thunderstorm Warning	PAH	Spencer	21 min
Feb 28, 1:58 AM CST	Severe Thunderstorm Warning Considerable damage threat	IND	Brown, Daviess, Greene, Johnson, Knox, Lawrence and 5 more	47 min
Feb 28, 2:06 AM CST	Severe Thunderstorm Warning	LMK	Perry	39 min
Feb 28, 2:07 AM CST	Severe Thunderstorm Warning	IND	Henry, Rush, Shelby	38 min
Feb 28, 2:08 AM CST	Severe Thunderstorm Warning	ILN	Fayette, Union, Wayne	52 min
Feb 28, 2:36 AM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	24 min
Feb 28, 2:39 AM CST	Tornado Warning	ILN	Fayette, Union, Wayne	22 min
Feb 28, 2:55 AM CST	Severe Thunderstorm Warning Considerable damage threat	LMK	Breckinridge, Hardin, Meade	35 min
Feb 28, 3:10 AM CST	Severe Thunderstorm Warning	ILN	Montgomery, Preble	32 min
Feb 28, 3:29 AM CST	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson, Spencer, Washington	31 min
Feb 28, 3:32 AM CST	Severe Thunderstorm Warning	ILN	Clark, Greene, Miami	30 min
Feb 28, 3:33 AM CST	Tornado Warning	ILN	Clark, Greene, Miami, Montgomery	27 min
Feb 28, 3:54 AM CST	Tornado Warning	ILN	Clark, Greene, Madison	36 min
Feb 28, 4:01 AM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	29 min
Feb 28, 4:13 AM CST	Severe Thunderstorm Warning	LMK	Bourbon, Fayette, Harrison, Nicholas, Scott, Woodford	32 min
Feb 28, 4:27 AM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Meade	33 min
Feb 28, 4:30 AM CST	Severe Thunderstorm Warning Considerable damage threat	LMK	Bourbon, Clark, Fayette, Nicholas	30 min
Feb 28, 4:40 AM CST	Severe Thunderstorm Warning	ILN	Lewis, Mason, Robertson	50 min
Feb 28, 4:41 AM CST	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Franklin, Jessamine, Scott, Shelby and 2 more	34 min
Feb 28, 5:07 AM CST	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Nicholas, Scott, Woodford	23 min
Feb 28, 5:15 AM CST	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Larue, Nelson, Shelby, Spencer and 2 more	30 min
Feb 28, 5:38 AM CST	Severe Thunderstorm Warning Considerable damage threat	LMK	Anderson, Bourbon, Boyle, Fayette, Garrard, Jessamine and 4 more	52 min
Feb 28, 5:53 AM CST	Flash Flood Warning	LMK	Bourbon	3 hr
Feb 28, 6:09 AM CST	Severe Thunderstorm Warning	LMK	Bourbon, Boyle, Clark, Fayette, Garrard, Jessamine and 4 more	36 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.5 hours before the alert went out and 185 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: 577 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 2063 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 27, 7:46 PM CST	Mesoscale Discussion	SPC	Alexander, Clark, Clay, Clinton, Crawford, Edwards and 23 more	119 min
Feb 27, 11:50 PM CST	Mesoscale Discussion	SPC	Clark, Clay, Crawford, Franklin, Jasper, Jefferson and 6 more	85 min
Feb 27, 8:28 PM CST	Mesoscale Discussion	SPC	LaPorte, Saint Joseph	62 min
Feb 27, 8:45 PM CST	Severe Thunderstorm Watch	SPC	Allen, DeKalb, Elkhart, Kosciusko, LaGrange, LaPorte and 6 more	6 hr
Feb 28, 2:01 AM CST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 27 more	119 min
Feb 28, 2:56 AM CST	Tornado Watch	SPC	Adair, Allen, Barren, Bath, Boyd, Boyle and 58 more	5 hr
Feb 28, 3:25 AM CST	Mesoscale Discussion	SPC	Greenup	65 min
Feb 28, 3:40 AM CST	Tornado Watch	SPC	Lewis	5 hr
Feb 28, 5:08 AM CST	Mesoscale Discussion	SPC	Bath, Boyd, Breathitt, Carter, Clark, Elliott and 21 more	2 hr
Feb 28, 7:15 AM CST	Mesoscale Discussion	SPC	Adair, Bell, Breathitt, Casey, Clay, Clinton and 32 more	2 hr

Nearby

Tornado Watches in Indiana, 2024 Tornado Watches in Kentucky, 2024 Tornado Watches in Illinois, 2024 Every tornado watch in 2024

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.