Alert archive / Kentucky / Mesoscale Discussions in 2003

Mesoscale Discussion 1128

May 27, 200333 counties in Kentucky; 5 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at May 27, 2003, 11:28 AM CDT for 33 counties in Kentucky; 5 counties in West Virginia. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: May 27, 2003, 11:28 AM CDT (16:28 UTC)
Expired: May 27, 2003, 1:00 PM CDT
In force: 92 min
Issued by: the Storm Prediction Center

All 38 counties

Adair County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clay County, KY, Estill County, KY, Floyd County, KY, Garrard County, KY, Green County, KY, Jackson 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, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Wolfe County, KY, Boone County, WV, Lincoln County, WV, Logan County, WV, Mingo County, WV, Wayne County, WV

The radar

The Jackson,KY radar (KJKL), 38 km from the middle of the area, began a volume at 16:30 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, 4.5 hours before the alert went out and 211 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 90 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 49 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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Nearby

Mesoscale Discussions in Kentucky, 2003 Mesoscale Discussions in West Virginia, 2003 Every 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.