Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 134

February 22, 20037 states

The Storm Prediction Center issued this mesoscale discussion at Feb 22, 2003, 3:31 PM EST for 7 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Feb 22, 2003, 3:31 PM EST (20:31 UTC)
Expired
Feb 22, 2003, 5:30 PM EST
In force
119 min
Issued by
the Storm Prediction Center
All 106 counties

Catoosa County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA, Bath County, KY, Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Rowan County, KY, Whitley County, KY, Wolfe County, KY, Cherokee County, NC, Graham County, NC, Madison County, NC, Swain County, NC, Adams County, OH, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Anderson County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Sullivan County, TN, Union County, TN, Washington 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, Wise County, VA, Boone County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Jackson,KY radar (KJKL), 36 km from the middle of the area, began a volume at 20:33 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 hours before the alert went out and 241 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 2003-02-22Temperature 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 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897117136Sfc1 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
510 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 7:18 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 20 more3 hr
Feb 22, 12:14 AM ESTMesoscale DiscussionSPCBartow, Catoosa, Chattooga, Dade, Fannin, Floyd and 7 more4 hr
Feb 22, 12:40 AM ESTTornado WatchSPCBaker, Bibb, Calhoun, Chattahoochee, Clay, Crawford and 21 more6 hr
Feb 22, 3:47 AM ESTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 44 more3 hr
Feb 22, 4:35 AM ESTTornado WatchSPCBarrow, Bartow, Butts, Carroll, Catoosa, Chattooga and 41 more2 hr
Feb 22, 4:51 AM ESTMesoscale DiscussionSPCBaker, Bibb, Calhoun, Chattahoochee, Clay, Crawford and 21 more114 min
Feb 22, 6:19 AM ESTMesoscale DiscussionSPCAtkinson, Baker, Baldwin, Ben Hill, Berrien, Bibb and 79 more56 min
Feb 22, 6:50 AM ESTTornado WatchSPCAppling, Atkinson, Bacon, Baker, Baldwin, Barrow and 97 more5 hr
Feb 22, 10:14 AM ESTMesoscale DiscussionSPCCatoosa, Chattooga, Dade, Walker, Whitfield2 hr
Feb 22, 10:59 AM ESTMesoscale DiscussionSPCAppling, Brantley, Bryan, Bulloch, Camden, Charlton and 12 more61 min
Feb 22, 11:35 AM ESTTornado WatchSPCCatoosa, Chattooga, Dade, Dawson, Fannin, Gilmer and 5 more5 hr
Feb 22, 11:55 AM ESTTornado WatchSPCBrantley, Bryan, Bulloch, Camden, Charlton, Chatham and 9 more5 hr
Feb 22, 1:33 PM ESTMesoscale DiscussionSPCCatoosa, Colquitt, Dade, Lee, Murray, Schley and 3 more117 min
Feb 22, 1:49 PM ESTMesoscale DiscussionSPCCamden, Chatham, Glynn, McIntosh116 min
Feb 22, 4:35 PM ESTSevere Thunderstorm WatchSPCBell, Boyd, Floyd, Harlan, Johnson, Knott and 7 more4 hr
Feb 22, 9:27 AM ESTMesoscale DiscussionSPCAlamance, Anson, Cabarrus, Chatham, Cumberland, Durham and 17 more63 min
Feb 22, 9:45 AM ESTTornado WatchSPCAlamance, Anson, Bertie, Bladen, Cabarrus, Caswell and 34 more6 hr
Feb 22, 11:47 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Camden, Chowan, Columbus and 33 more88 min
Feb 22, 2:22 PM ESTMesoscale DiscussionSPCBertie, Bladen, Columbus, Duplin, Edgecombe, Gates and 8 more53 min
Feb 22, 2:40 PM ESTTornado WatchSPCBeaufort, Bertie, Bladen, Camden, Carteret, Chowan and 24 more4 hr
Feb 22, 4:31 PM ESTMesoscale DiscussionSPCBeaufort, Currituck, Jones, Pender, Washington89 min
Feb 22, 6:09 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Camden, Carteret, Chowan and 24 more66 min
Feb 22, 10:34 AM ESTMesoscale DiscussionSPCDefiance, Fulton, Henry, Paulding, Van Wert, Williams5 hr
Feb 22, 12:55 PM ESTTornado WatchSPCBrunswick, Dinwiddie, Greensville, Isle of Wight, James City, Northampton and 19 more3 hr

Nearby

Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Tennessee, 2003Mesoscale Discussions in West Virginia, 2003Every mesoscale discussion 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.