Alert archive / Tennessee / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 370

June 8, 20076 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2007, 11:37 AM CDT for 6 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jun 8, 2007, 11:37 AM CDT (16:37 UTC)
Expired
Jun 8, 2007, 8:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 195 counties

Adair County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Garrard County, KY, Greenup County, KY, Harlan County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Franklin County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Jackson County, OH, Jefferson County, OH, Lawrence County, OH, Licking 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, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Allegheny County, PA, Beaver County, PA, Fayette County, PA, Greene County, PA, Washington County, PA, Westmoreland County, PA, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Carter County, TN, Claiborne County, TN, Clay County, TN, Cocke County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Grainger County, TN, Greene County, TN, Grundy County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Smith County, TN, Sullivan County, TN, Trousdale County, TN, Unicoi County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Washington County, TN, White County, TN, Wilson County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA, Barbour County, WV, Boone County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 16:37 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
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
40%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 8, 12:53 PM CDTSevere Thunderstorm WarningLMKCumberland, Monroe37 min
Jun 8, 12:55 PM CDTSevere Thunderstorm WarningOHXSumner, Wilson65 min
Jun 8, 1:14 PM CDTSevere Thunderstorm WarningILNPike46 min
Jun 8, 1:19 PM CDTSevere Thunderstorm WarningJKLBath, Montgomery30 min
Jun 8, 1:19 PM CDTSevere Thunderstorm WarningJKLBath, Montgomery30 min
Jun 8, 1:22 PM CDTSevere Thunderstorm WarningRLXVinton23 min
Jun 8, 1:22 PM CDTSevere Thunderstorm WarningOHXMacon, Smith8 min
Jun 8, 1:27 PM CDTSevere Thunderstorm WarningOHXJackson48 min
Jun 8, 1:30 PM CDTSevere Thunderstorm WarningILNAdams45 min
Jun 8, 1:31 PM CDTSevere Thunderstorm WarningILNFairfield, Hocking44 min
Jun 8, 1:40 PM CDTSevere Thunderstorm WarningILNPike, Scioto50 min
Jun 8, 1:41 PM CDTSevere Thunderstorm WarningRLXPerry34 min
Jun 8, 1:47 PM CDTSevere Thunderstorm WarningLMKBourbon, Nicholas43 min
Jun 8, 1:48 PM CDTSevere Thunderstorm WarningPBZMuskingum42 min
Jun 8, 1:56 PM CDTSevere Thunderstorm WarningILNLewis49 min
Jun 8, 1:59 PM CDTSevere Thunderstorm WarningPBZGuernsey46 min
Jun 8, 2:08 PM CDTSevere Thunderstorm WarningRLXAthens37 min
Jun 8, 2:09 PM CDTSevere Thunderstorm WarningRLXJackson, Meigs, Vinton36 min
Jun 8, 2:31 PM CDTSevere Thunderstorm WarningJKLElliott14 min
Jun 8, 2:52 PM CDTSevere Thunderstorm WarningJKLLee, Owsley23 min
Jun 8, 2:57 PM CDTSevere Thunderstorm WarningPBZJefferson48 min
Jun 8, 2:58 PM CDTSevere Thunderstorm WarningMRXMorgan62 min
Jun 8, 3:12 PM CDTSevere Thunderstorm WarningJKLJohnson, Magoffin48 min
Jun 8, 3:13 PM CDTSevere Thunderstorm WarningMRXBledsoe47 min
Jun 8, 3:21 PM CDTSevere Thunderstorm WarningPBZWashington54 min
Jun 8, 3:28 PM CDTSevere Thunderstorm WarningPBZColumbiana62 min
Jun 8, 3:33 PM CDTSevere Thunderstorm WarningMRXRhea42 min
Jun 8, 3:35 PM CDTSevere Thunderstorm WarningJKLPike35 min
Jun 8, 3:35 PM CDTSevere Thunderstorm WarningPBZCarroll, Tuscarawas25 min
Jun 8, 3:36 PM CDTSevere Thunderstorm WarningPBZGreene24 min
Jun 8, 3:36 PM CDTSevere Thunderstorm WarningMRXRoane54 min
Jun 8, 3:37 PM CDTSevere Thunderstorm WarningMRXCampbell38 min
Jun 8, 3:38 PM CDTSevere Thunderstorm WarningJKLLeslie, Perry37 min
Jun 8, 3:42 PM CDTSevere Thunderstorm WarningHUNLincoln16 min
Jun 8, 3:45 PM CDTSevere Thunderstorm WarningMRXClaiborne60 min
Jun 8, 3:47 PM CDTSevere Thunderstorm WarningMRXMeigs58 min
Jun 8, 3:49 PM CDTSevere Thunderstorm WarningPBZAllegheny56 min
Jun 8, 3:51 PM CDTSevere Thunderstorm WarningMRXAnderson54 min
Jun 8, 3:59 PM CDTSevere Thunderstorm WarningPBZFayette61 min
Jun 8, 3:59 PM CDTSevere Thunderstorm WarningMRXUnion61 min
Jun 8, 4:01 PM CDTSevere Thunderstorm WarningPBZGreene44 min
Jun 8, 4:02 PM CDTSevere Thunderstorm WarningMRXKnox58 min
Jun 8, 4:02 PM CDTSevere Thunderstorm WarningPBZMarion, Monongalia, Wetzel58 min
Jun 8, 4:07 PM CDTSevere Thunderstorm WarningMRXMcMinn53 min
Jun 8, 4:12 PM CDTSevere Thunderstorm WarningMRXLoudon63 min
Jun 8, 4:22 PM CDTSevere Thunderstorm WarningPBZBeaver53 min
Jun 8, 4:29 PM CDTSevere Thunderstorm WarningPBZColumbiana31 min
Jun 8, 4:31 PM CDTSevere Thunderstorm WarningPBZWestmoreland59 min
Jun 8, 4:37 PM CDTSevere Thunderstorm WarningMRXHamilton23 min
Jun 8, 4:43 PM CDTSevere Thunderstorm WarningMRXBradley, Polk62 min
Jun 8, 4:51 PM CDTSevere Thunderstorm WarningMRXHamblen, Jefferson39 min
Jun 8, 4:54 PM CDTSevere Thunderstorm WarningMRXLee, Scott66 min
Jun 8, 5:01 PM CDTSevere Thunderstorm WarningMRXWise, City of Norton59 min
Jun 8, 5:59 PM CDTFlash Flood WarningPBZAllegheny, Westmoreland2 hr
Jun 8, 6:09 PM CDTSevere Thunderstorm WarningMRXSullivan66 min
Jun 8, 6:39 PM CDTSevere Thunderstorm WarningMRXCarter, Johnson44 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, 4.6 hours before the alert went out and 242 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 2007-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1045 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 2007-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 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
1045 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
1237 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
20 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
Jun 8, 6:23 AM CDTMesoscale DiscussionSPCBallard67 min
Jun 8, 8:30 AM CDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Boone, Bourbon and 77 more90 min
Jun 8, 8:45 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Ballard, Barren, Boone, Bracken and 59 more6 hr
Jun 8, 11:02 AM CDTMesoscale DiscussionSPCAdair, Bath, Bell, Bourbon, Boyd, Breathitt and 44 more58 min
Jun 8, 11:40 AM CDTMesoscale DiscussionSPCAllen, Anderson, Barren, Boone, Bracken, Breckinridge and 36 more65 min
Jun 8, 2:06 PM CDTMesoscale DiscussionSPCAdair, Bath, Bell, Bourbon, Boyd, Boyle and 49 more54 min
Jun 8, 10:07 AM CDTMesoscale DiscussionSPCAllen, Ashland, Ashtabula, Auglaize, Crawford, Cuyahoga and 36 more53 min
Jun 8, 10:43 AM CDTSevere Thunderstorm WatchSPCAllen, Ashland, Ashtabula, Auglaize, Crawford, Cuyahoga and 37 more7 hr
Jun 8, 1:08 PM CDTMesoscale DiscussionSPCArmstrong, Butler, Cameron, Clarion, Clearfield, Crawford and 10 more97 min
Jun 8, 1:59 PM CDTSevere Thunderstorm WatchSPCArmstrong, Bedford, Blair, Bradford, Butler, Cambria and 22 more7 hr
Jun 8, 3:12 PM CDTMesoscale DiscussionSPCAdams, Bedford, Berks, Carbon, Chester, Columbia and 20 more93 min
Jun 8, 4:32 PM CDTSevere Thunderstorm WatchSPCAdams, Columbia, Cumberland, Dauphin, Franklin, Fulton and 12 more5 hr
Jun 8, 6:48 PM CDTMesoscale DiscussionSPCAdams, Berks, Bradford, Cameron, Carbon, Centre and 30 more117 min
Jun 8, 9:03 AM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Cheatham, Chester, Crockett, Davidson and 32 more7 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2007Severe Thunderstorm Watches in Kentucky, 2007Severe Thunderstorm Watches in West Virginia, 2007Every severe thunderstorm watch in 2007

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.