Alert archive / Indiana / Tornado Watches in 2009

Tornado Watch 50

March 8, 200951 counties in Indiana; 29 counties in Kentucky; 13 counties in Ohio

The Storm Prediction Center issued this tornado watch at Mar 8, 2009, 2:52 PM EDT for 51 counties in Indiana; 29 counties in Kentucky; 13 counties in Ohio. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 8, 2009, 2:52 PM EDT (18:52 UTC)
Expired
Mar 8, 2009, 8:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 93 counties

Adams County, IN, Allen County, IN, Bartholomew County, IN, Blackford County, IN, Brown County, IN, Cass County, IN, Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Kosciusko County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pulaski County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Washington County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Allen County, KY, Barren County, KY, Boone County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Carroll County, KY, Edmonson County, KY, Gallatin County, KY, Grant County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Larue County, KY, Logan County, KY, Meade County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Trimble County, KY, Warren County, KY, Allen County, OH, Auglaize County, OH, Butler County, OH, Darke County, OH, Hamilton County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH

The radar

The Indianapolis radar (KIND), 57 km from the middle of the area, began a volume at 18:56 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 SPC expected

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

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
50%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 8, 3:01 PM EDTSevere Thunderstorm WarningINDDaviess, Greene, Lawrence, Martin44 min
Mar 8, 3:14 PM EDTTornado WarningIWXCass, Pulaski, White46 min
Mar 8, 3:37 PM EDTTornado WarningINDJackson, Lawrence38 min
Mar 8, 3:54 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Jackson, Lawrence, Monroe36 min
Mar 8, 3:55 PM EDTTornado WarningIWXFulton, Marshall, Pulaski, Starke42 min
Mar 8, 4:06 PM EDTSevere Thunderstorm WarningIWXCass, Fulton, Miami54 min
Mar 8, 4:11 PM EDTTornado WarningINDBartholomew, Decatur, Jackson, Jennings34 min
Mar 8, 4:17 PM EDTSevere Thunderstorm WarningLMKDubois28 min
Mar 8, 4:22 PM EDTSevere Thunderstorm WarningINDClinton, Howard, Tipton53 min
Mar 8, 4:23 PM EDTSevere Thunderstorm WarningINDDaviess, Lawrence, Martin23 min
Mar 8, 4:36 PM EDTSevere Thunderstorm WarningIWXFulton, Grant, Huntington, Kosciusko, Miami, Wabash and 1 more54 min
Mar 8, 4:46 PM EDTTornado WarningILNRipley44 min
Mar 8, 4:49 PM EDTTornado WarningLMKBreckinridge, Grayson, Ohio41 min
Mar 8, 4:58 PM EDTTornado WarningIWXWhitley24 min
Mar 8, 5:04 PM EDTTornado WarningLMKGrayson26 min
Mar 8, 5:06 PM EDTSevere Thunderstorm WarningLMKHarrison24 min
Mar 8, 5:15 PM EDTSevere Thunderstorm WarningIWXAdams, Allen, DeKalb, Noble, Wells60 min
Mar 8, 5:20 PM EDTTornado WarningILNDearborn27 min
Mar 8, 5:21 PM EDTTornado WarningIWXAllen, DeKalb39 min
Mar 8, 5:24 PM EDTSevere Thunderstorm WarningINDJennings23 min
Mar 8, 5:31 PM EDTTornado WarningLMKGrayson, Hardin, Hart, Larue44 min
Mar 8, 5:33 PM EDTTornado WarningILNRipley35 min
Mar 8, 5:34 PM EDTSevere Thunderstorm WarningLMKButler26 min
Mar 8, 5:51 PM EDTTornado WarningIWXDefiance, Paulding54 min
Mar 8, 5:57 PM EDTSevere Thunderstorm WarningIWXPaulding27 min
Mar 8, 6:00 PM EDTSevere Thunderstorm WarningILNButler, Hamilton45 min
Mar 8, 6:06 PM EDTSevere Thunderstorm WarningILNDearborn, Ohio, Ripley, Switzerland39 min
Mar 8, 6:09 PM EDTSevere Thunderstorm WarningLMKGreen, Larue, Marion, Taylor36 min
Mar 8, 6:36 PM EDTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Warren24 min
Mar 8, 6:37 PM EDTSevere Thunderstorm WarningLMKLogan23 min
Mar 8, 6:42 PM EDTTornado WarningILNBoone, Campbell, Kenton36 min
Mar 8, 7:03 PM EDTSevere Thunderstorm WarningLMKAdair, Barren, Green, Metcalfe, Taylor27 min
Mar 8, 7:05 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton27 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.9 hours before the alert went out and 179 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, Cncnati-Daytn, OH at 12:00Z on 2009-03-08Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2009-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 378 square meters per square second.1939587897117Sfc1 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
1104 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
378 m²/s²
0-3 km storm-relative helicity
326 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 11:39 AM EDTTornado WatchSPCBenton, Boone, Carroll, Clay, Clinton, Daviess and 24 more7 hr
Mar 8, 2:31 PM EDTMesoscale DiscussionSPCAdams, Bartholomew, Blackford, Brown, Clark, Crawford and 39 more119 min
Mar 8, 3:20 PM EDTMesoscale DiscussionSPCCass, Fulton, Grant, Howard, Jasper, Lake and 5 more55 min
Mar 8, 4:14 PM EDTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 51 more91 min
Mar 8, 5:36 PM EDTMesoscale DiscussionSPCClark, Dearborn, Floyd, Harrison, Jefferson, Jennings and 5 more54 min
Mar 8, 6:21 PM EDTSevere Thunderstorm WatchSPCAdair, Anderson, Bath, Bourbon, Boyle, Bracken and 37 more4 hr
Mar 8, 7:32 PM EDTMesoscale DiscussionSPCAdair, Allen, Barren, Boyle, Breathitt, Casey and 23 more58 min

Nearby

Tornado Watches in Indiana, 2009Tornado Watches in Kentucky, 2009Tornado Watches in Ohio, 2009Every tornado watch in 2009

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.