Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 85, NWS Jackson, KY

May 28, 2009Wolfe County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at May 28, 2009, 7:35 PM EDT for Wolfe County, Kentucky. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 2009, 7:35 PM EDT (23:35 UTC)
Expired: May 28, 2009, 8:00 PM EDT
In force: 25 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon

County Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 23 km from the middle of the area, began a volume at 23:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 28, 2:21 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.6 hours before the alert went out and 190 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: 513 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 3:40 PM EDT, 3 hours 55 minutes earlier.

Area forecast discussion, May 28, 3:40 PM EDT, 3 hours 55 minutes before

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Hazardous weather outlook, May 28, 4:30 PM EDT, 3 hours 5 minutes before

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In the hours before

Special weather statement, May 28, 6:06 PM EDT, 1 hour 29 minutes before

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Local storm report, May 28, 6:16 PM EDT, 1 hour 19 minutes before

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Special weather statement, May 28, 6:47 PM EDT, 48 minutes before

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Special weather statement, May 28, 7:16 PM EDT, 19 minutes before

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Special weather statement, May 28, 7:22 PM EDT, 13 minutes before

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Special weather statement, May 28, 7:29 PM EDT, 6 minutes before

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The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 2:00 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Montgomery, Morgan, Powell, Rowan	45 min
May 28, 2:04 PM EDT	Tornado Warning	JKL	Menifee	26 min
May 28, 2:49 PM EDT	Severe Thunderstorm Warning	JKL	Elliott, Magoffin, Menifee, Morgan, Rowan	41 min
May 28, 3:03 PM EDT	Tornado Warning	JKL	Elliott, Morgan	27 min
May 28, 4:32 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Knox	28 min
May 28, 4:39 PM EDT	Areal Flood Advisory	JKL	Bell, Clay, Knox, Leslie	51 min
May 28, 5:08 PM EDT	Areal Flood Advisory	JKL	McCreary, Whitley	52 min
May 28, 6:10 PM EDT	Areal Flood Advisory	JKL	Clay, Knox, Laurel, Leslie, Whitley	65 min
May 28, 6:59 PM EDT	Severe Thunderstorm Warning	JKL	Clay	19 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2009 Every severe thunderstorm warning in 2009

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.