Alert archive / Indiana / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 664

August 9, 200024 counties in Indiana; 14 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at Aug 9, 2000, 7:00 AM EST for 24 counties in Indiana; 14 counties in Ohio. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Aug 9, 2000, 7:00 AM EST (12:00 UTC)
Expired
Aug 9, 2000, 12:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 38 counties

Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jay County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tipton County, IN, Union County, IN, Wayne County, IN, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Highland County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 96 km from the middle of the area, began a volume at 12:00 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

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

IssuedProductOfficeCountiesLasted
Aug 9, 7:42 AM ESTSevere Thunderstorm WarningINDHancock, Marion33 min
Aug 9, 7:42 AM ESTSevere Thunderstorm WarningINDMadison33 min
Aug 9, 7:56 AM ESTSevere Thunderstorm WarningINDDelaware19 min
Aug 9, 7:59 AM ESTSevere Thunderstorm WarningINDRandolph31 min
Aug 9, 8:14 AM ESTSevere Thunderstorm WarningILNWayne46 min
Aug 9, 8:18 AM ESTSevere Thunderstorm WarningILNMercer42 min
Aug 9, 8:37 AM ESTSevere Thunderstorm WarningILNFayette, Union38 min
Aug 9, 8:44 AM ESTSevere Thunderstorm WarningILNPreble46 min
Aug 9, 8:53 AM ESTSevere Thunderstorm WarningILNMiami37 min
Aug 9, 8:57 AM ESTSevere Thunderstorm WarningILNShelby33 min
Aug 9, 8:58 AM ESTSevere Thunderstorm WarningILNMontgomery47 min
Aug 9, 9:05 AM ESTSevere Thunderstorm WarningILNChampaign, Clark40 min
Aug 9, 9:45 AM ESTSevere Thunderstorm WarningIWXCass, Pulaski55 min
Aug 9, 10:24 AM ESTSevere Thunderstorm WarningIWXMiami, Wabash46 min
Aug 9, 11:32 AM ESTSevere Thunderstorm WarningILNMercer43 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 0.0 hours before the alert went out and 156 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 2000-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2404 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, Cncnati-Daytn, OH at 12:00Z on 2000-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
2404 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
656 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
1.2
Supercell composite
8.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 5:00 AM ESTSevere Thunderstorm WatchSPCBenton, Fountain, Jasper, Montgomery, Newton, Parke and 4 more5 hr
Aug 9, 3:15 PM ESTSevere Thunderstorm WatchSPCBartholomew, Blackford, Boone, Brown, Clay, Clinton and 37 more6 hr
Aug 9, 6:00 PM ESTSevere Thunderstorm WatchSPCOhio, Switzerland6 hr
Aug 9, 9:30 AM ESTSevere Thunderstorm WatchSPCAdams, Athens, Brown, Champaign, Clark, Clinton and 26 more6 hr
Aug 9, 4:15 PM ESTSevere Thunderstorm WatchSPCAshtabula, Geauga6 hr

Nearby

Severe Thunderstorm Watches in Indiana, 2000Severe Thunderstorm Watches in Ohio, 2000Every severe thunderstorm watch in 2000

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.