Alert archive / Ohio / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 665

August 9, 2000Greenup County, Kentucky; 32 counties in Ohio; 12 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Aug 9, 2000, 10:30 AM EDT for Greenup County, Kentucky; 32 counties in Ohio; 12 counties in West Virginia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 9, 2000, 10:30 AM EDT (14:30 UTC)
Expired
Aug 9, 2000, 4:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 45 counties

Greenup County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Greene County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Union County, OH, Vinton County, OH, Washington County, OH, Cabell County, WV, Calhoun County, WV, Clay County, WV, Jackson County, WV, Kanawha County, WV, Mason County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Wirt County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 92 km from the middle of the area, began a volume at 14:34 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

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

IssuedProductOfficeCountiesLasted
Aug 9, 10:49 AM EDTSevere Thunderstorm WarningILNFranklin, Pickaway41 min
Aug 9, 11:07 AM EDTSevere Thunderstorm WarningILNFairfield, Licking43 min
Aug 9, 11:19 AM EDTSevere Thunderstorm WarningILNHocking41 min
Aug 9, 11:34 AM EDTSevere Thunderstorm WarningRLXPerry41 min
Aug 9, 11:34 AM EDTSevere Thunderstorm WarningRLXVinton41 min
Aug 9, 11:40 AM EDTSevere Thunderstorm WarningPBZMuskingum65 min
Aug 9, 11:46 AM EDTSevere Thunderstorm WarningRLXJackson44 min
Aug 9, 11:57 AM EDTSevere Thunderstorm WarningILNScioto48 min
Aug 9, 12:03 PM EDTSevere Thunderstorm WarningPBZGuernsey, Noble57 min
Aug 9, 12:14 PM EDTSevere Thunderstorm WarningRLXGreenup46 min
Aug 9, 12:28 PM EDTSevere Thunderstorm WarningRLXGallia47 min
Aug 9, 12:33 PM EDTSevere Thunderstorm WarningPBZMonroe57 min
Aug 9, 12:46 PM EDTSevere Thunderstorm WarningRLXJackson44 min
Aug 9, 12:53 PM EDTSevere Thunderstorm WarningRLXPutnam37 min
Aug 9, 1:00 PM EDTSevere Thunderstorm WarningRLXCabell45 min
Aug 9, 1:11 PM EDTSevere Thunderstorm WarningRLXCalhoun, Ritchie34 min
Aug 9, 1:11 PM EDTSevere Thunderstorm WarningRLXRoane34 min
Aug 9, 1:18 PM EDTSevere Thunderstorm WarningRLXKanawha42 min
Aug 9, 1:59 PM EDTSevere Thunderstorm WarningRLXKanawha31 min
Aug 9, 2:12 PM EDTSevere Thunderstorm WarningILNLogan33 min
Aug 9, 3:53 PM EDTSevere Thunderstorm WarningILNUnion52 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.5 hours before the alert went out and 90 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, 4:15 PM EDTSevere Thunderstorm WatchSPCBoone, Campbell, Kenton6 hr
Aug 9, 7:00 PM EDTSevere Thunderstorm WatchSPCBath, Boone, Bourbon, Boyd, Bracken, Breathitt and 43 more6 hr
Aug 9, 8:00 AM EDTSevere Thunderstorm WatchSPCButler, Champaign, Clark, Clinton, Darke, Fayette and 8 more5 hr
Aug 9, 5:15 PM EDTSevere Thunderstorm WatchSPCAshtabula, Geauga6 hr
Aug 9, 1:00 PM EDTSevere Thunderstorm WatchSPCBarbour, Berkeley, Braxton, Brooke, Doddridge, Gilmer and 22 more6 hr
Aug 9, 2:00 PM EDTSevere Thunderstorm WatchSPCBoone, Fayette, Greenbrier, Kanawha, Monroe, Nicholas and 4 more5 hr
Aug 9, 5:00 PM EDTSevere Thunderstorm WatchSPCJefferson5 hr

Nearby

Severe Thunderstorm Watches in Ohio, 2000Severe Thunderstorm Watches in West Virginia, 2000Severe Thunderstorm Watches in Kentucky, 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.