Alert archive / Indiana / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 705

July 9, 200332 counties in Indiana

The Storm Prediction Center issued this severe thunderstorm watch at Jul 9, 2003, 5:55 PM EST for 32 counties in Indiana. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jul 9, 2003, 5:55 PM EST (22:55 UTC)
Expired
Jul 9, 2003, 9:00 PM EST
In force
3 hr
Issued by
the Storm Prediction Center
All 32 counties

Bartholomew County, IN, Benton County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hendricks County, IN, Howard County, IN, Jackson County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Washington County, IN

The radar

The Indianapolis radar (KIND), 20 km from the middle of the area, began a volume at 22:54 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 9, 5:57 PM ESTFlash Flood WarningINDParke3 min
Jul 9, 6:20 PM ESTFlash Flood WarningINDFountain, Montgomery, Parke, Putnam, Tippecanoe, Vermillion and 1 more3 hr
Jul 9, 8:22 PM ESTSevere Thunderstorm WarningINDClay38 min
Jul 9, 8:47 PM ESTFlash Flood WarningINDMorgan43 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 12:00Z, 10.9 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2003-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 joules per kilogram.LCLLFCEL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2003-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
279 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
106 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
Jul 8, 8:37 PM ESTMesoscale DiscussionSPCBartholomew, Benton, Blackford, Boone, Brown, Carroll and 50 more2 hr
Jul 8, 10:55 PM ESTSevere Thunderstorm WatchSPCBartholomew, Boone, Brown, Clark, Clay, Daviess and 27 more5 hr
Jul 9, 2:21 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Crawford, Daviess and 23 more114 min
Jul 9, 9:54 AM ESTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Clay and 31 more96 min
Jul 9, 11:10 AM ESTSevere Thunderstorm WatchSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 33 more6 hr
Jul 9, 1:35 PM ESTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 34 more55 min
Jul 9, 3:12 PM ESTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Benton, Blackford, Boone and 47 more33 min
Jul 9, 3:35 PM ESTSevere Thunderstorm WatchSPCAdams, Bartholomew, Blackford, Dearborn, Decatur, Delaware and 21 more5 hr
Jul 9, 5:04 PM ESTMesoscale DiscussionSPCBenton, Fountain, Parke, Vermillion, Vigo, Warren86 min
Jul 9, 5:25 PM ESTTornado WatchSPCVermillion4 hr
Jul 9, 6:02 PM ESTMesoscale DiscussionSPCDearborn, Decatur, Fayette, Franklin, Jefferson, Jennings and 7 more88 min

Nearby

Severe Thunderstorm Watches in Indiana, 2003Every severe thunderstorm watch in 2003

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.