Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 774

May 5, 200321 counties in Kentucky; 18 counties in Ohio; Cabell County, Mason County, West Virginia

The Storm Prediction Center issued this mesoscale discussion at May 5, 2003, 7:47 PM EDT for 21 counties in Kentucky; 18 counties in Ohio; Cabell County, Mason County, West Virginia. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
May 5, 2003, 7:47 PM EDT (23:47 UTC)
Expired
May 5, 2003, 9:15 PM EDT
In force
88 min
Issued by
the Storm Prediction Center
All 41 counties

Bath County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carter County, KY, Elliott County, KY, Fleming County, KY, Franklin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Gallia County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Cabell County, WV, Mason County, WV

The radar

The Cincinnati radar (KILN), 91 km from the middle of the area, began a volume at 23:47 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.8 hours before the alert went out and 91 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 2003-05-05Temperature 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 2003-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 706 square meters per square second.1939587897Sfc1 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
522 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
706 m²/s²
0-3 km storm-relative helicity
1070 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
May 4, 8:34 PM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more116 min
May 4, 10:26 PM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 15 more2 hr
May 4, 11:40 PM EDTTornado WatchSPCCrittenden, Daviess, Henderson, Hopkins, McLean, Ohio and 2 more5 hr
May 5, 12:37 AM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 38 more23 min
May 5, 12:45 AM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Bourbon, Boyle and 44 more5 hr
May 5, 2:20 AM EDTTornado WatchSPCBallard, Caldwell, Calloway, Carlisle, Christian, Fulton and 7 more6 hr
May 5, 2:30 AM EDTMesoscale DiscussionSPCCrittenden, Daviess, Henderson, Hopkins, McLean, Ohio and 2 more90 min
May 5, 3:31 AM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 55 more89 min
May 5, 4:41 AM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 13 more34 min
May 5, 4:50 AM EDTTornado WatchSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more6 hr
May 5, 5:18 AM EDTMesoscale DiscussionSPCAllen, Ballard, Barren, Butler, Caldwell, Calloway and 19 more57 min
May 5, 5:55 AM EDTTornado WatchSPCFulton6 hr
May 5, 7:32 AM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more88 min
May 5, 8:35 AM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Bath, Bell and 69 more5 hr
May 5, 10:19 AM EDTMesoscale DiscussionSPCBallard, Caldwell, Carlisle, Crittenden, Graves, Henderson and 10 more56 min
May 5, 10:35 AM EDTTornado WatchSPCCalloway, Fulton5 hr
May 5, 11:12 AM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bell, Boyle and 58 more93 min
May 5, 12:06 PM EDTMesoscale DiscussionSPCFulton114 min
May 5, 12:59 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bell, Boyle and 65 more61 min
May 5, 1:20 PM EDTTornado WatchSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 73 more7 hr
May 5, 3:13 PM EDTMesoscale DiscussionSPCFulton62 min
May 5, 3:35 PM EDTTornado WatchSPCFulton7 hr
May 5, 3:47 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 68 more118 min
May 5, 5:42 PM EDTMesoscale DiscussionSPCBoone, Boyd, Bracken, Campbell, Carter, Fleming and 12 more3 hr
May 5, 6:15 PM EDTTornado WatchSPCBracken, Campbell, Grant, Greenup, Kenton, Lewis and 4 more5 hr
May 5, 7:33 PM EDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Bath, Bourbon and 69 more57 min
May 5, 5:27 PM EDTMesoscale DiscussionSPCLucas3 hr

Nearby

Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Ohio, 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.