Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 59, NWS Jackson, KY

June 3, 2010Johnson County, Morgan County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 3, 2010, 7:01 PM EDT for Johnson County, Morgan County, Kentucky. It was in force for 29 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: Jun 3, 2010, 7:01 PM EDT (23:01 UTC)
Expired: Jun 3, 2010, 7:30 PM EDT
In force: 29 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Johnson County, KY, Morgan County, KY

The radar

The Jackson,KY radar (KJKL), 40 km from the middle of the area, began a volume at 23:01 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, 11.0 hours before the alert went out and 184 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: 1078 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

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 Jun 3, 6:09 PM EDT, 52 minutes earlier.

Area forecast discussion, Jun 3, 6:09 PM EDT, 52 minutes before

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Hazardous weather outlook, Jun 3, 4:05 PM EDT, 2 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
405 PM EDT THU JUN 3 2010

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-042315-
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
405 PM EDT THU JUN 3 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TONIGHT.

THERE IS A GOOD CHANCE FOR THUNDERSTORMS LATE THIS AFTERNOON AND
TONIGHT. SOME STORMS LATE THIS AFTERNOON AND EVENING MAY BECOME
SEVERE WITH LARGE HAIL AND DAMAGING WIND GUSTS THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS ARE POSSIBLE AT TIMES FROM FRIDAY THROUGH SUNDAY NIGHT
AND AGAIN FROM MONDAY NIGHT THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND INTO THE
EVENING.

DUSTY/GREIF

In the hours before

Special weather statement, Jun 3, 6:06 PM EDT, 55 minutes before

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Special weather statement, Jun 3, 6:27 PM EDT, 34 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
Jun 3, 6:31 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Menifee, Powell, Wolfe	29 min
Jun 3, 6:34 PM EDT	Severe Thunderstorm Warning	JKL	Johnson, Magoffin, Morgan	26 min
Jun 3, 6:59 PM EDT	Flash Flood Warning	JKL	Estill, Lee, Powell	6 hr
Jun 3, 7:09 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Powell, Wolfe	36 min
Jun 3, 7:40 PM EDT	Areal Flood Advisory	JKL	Estill, Jackson, Laurel, Lee, Owsley, Pulaski and 1 more	4 hr
Jun 3, 7:45 PM EDT	Flash Flood Warning	JKL	Elliott, Johnson, Magoffin, Morgan, Wolfe	3 hr
Jun 3, 7:51 PM EDT	Flash Flood Warning	JKL	Menifee, Powell, Wolfe	3 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2010 Every severe thunderstorm warning in 2010

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.