Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 143, NWS Jackson, KY

June 16, 20094 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 16, 2009, 8:27 PM EDT for 4 counties in Kentucky. It was in force for 27 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 16, 2009, 8:27 PM EDT (00:27 UTC)
Expired: Jun 16, 2009, 8:54 PM EDT
In force: 27 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon

Counties Breathitt County, KY, Floyd County, KY, Johnson County, KY, Magoffin County, KY

The radar

The Jackson,KY radar (KJKL), 29 km from the middle of the area, began a volume at 00:28 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
Jun 16, 2:42 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.5 hours before the alert went out and 209 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: 342 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.7

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 16, 7:58 PM EDT, 29 minutes earlier.

Area forecast discussion, Jun 16, 7:58 PM EDT, 29 minutes before

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Hazardous weather outlook, Jun 16, 4:16 AM EDT, 16 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
416 AM EDT TUE JUN 16 2009

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-171115-
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-
416 AM EDT TUE JUN 16 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE TODAY AND TONIGHT. SOME OF THESE
THUNDERSTORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING WITH
DAMAGING WINDS BEING THE MAIN THREAT. IN ADDITION...A SATURATED
GROUND COMBINED WITH THE POTENTIAL OF HEAVY RAINFALL IN THE STRONGEST
THUNDERSTORMS COULD LEAD TO SOME LOCALIZED FLOODING PROBLEMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS WILL BE POSSIBLE FOR MOST LOCATIONS...MAINLY IN THE
AFTERNOON AND EVENING HOURS FROM WEDNESDAY THROUGH SUNDAY. AN
ALREADY WET GROUND FROM RECENT RAINFALL...COMBINED WITH THE POTENTIAL
FOR SEVERAL ROUNDS OF RAIN THIS WEEK COULD PRODUCE SOME LOCALIZED
FLOODING PROBLEMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

RAY

In the hours before

Local storm report, Jun 16, 7:29 PM EDT, 58 minutes before

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Local storm report, Jun 16, 7:34 PM EDT, 53 minutes before

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Local storm report, Jun 16, 7:38 PM EDT, 49 minutes before

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Local storm report, Jun 16, 7:46 PM EDT, 41 minutes before

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Local storm report, Jun 16, 8:10 PM EDT, 17 minutes before

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Special weather statement, Jun 16, 8:18 PM EDT, 9 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 16, 11:38 PM EDT	Areal Flood Advisory	JKL	Pulaski	3 hr
Jun 17, 12:50 AM EDT	Areal Flood Advisory	JKL	Clay, Knott, Leslie, Letcher, Perry	3 hr
Jun 17, 12:58 AM EDT	Areal Flood Advisory	JKL	Floyd, Johnson, Magoffin, Martin, Pike	3 hr
Jun 17, 2:27 AM EDT	Flash Flood Warning	JKL	Floyd, Pike	4 hr
Jun 17, 3:58 AM EDT	Severe Thunderstorm Warning	JKL	Clay, Knott, Leslie, Letcher, Perry	47 min
Jun 17, 9:56 AM EDT	Areal Flood Advisory	JKL	Knott, Letcher, Pike	4 hr
Jun 17, 11:13 AM EDT	Flash Flood Warning	JKL	Floyd, Knott, Letcher, Pike	4 hr
Jun 17, 12:12 PM EDT	Flash Flood Watch	JKL	Bell, Breathitt, Clay, Floyd, Harlan, Jackson and 17 more	8 hr
Jun 17, 1:41 PM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, McCreary, Pulaski, Whitley	49 min
Jun 17, 2:25 PM EDT	Tornado Warning	JKL	Knox, Laurel, McCreary, Pulaski, Whitley	35 min
Jun 17, 2:37 PM EDT	Areal Flood Advisory	JKL	Bell, Knox, Laurel, McCreary, Pulaski, Whitley	3 hr
Jun 17, 2:50 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, McCreary, Pulaski, Whitley	40 min
Jun 17, 2:52 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Magoffin, Pike	53 min
Jun 17, 2:56 PM EDT	Flash Flood Warning Emergency	JKL	Bell, Knox, Laurel, McCreary, Pulaski, Wayne and 1 more	6 hr
Jun 17, 2:57 PM EDT	Tornado Warning	JKL	Bell, Knox, Whitley	33 min
Jun 17, 2:58 PM EDT	Severe Thunderstorm Warning	JKL	Knott, Letcher, Perry	47 min
Jun 17, 3:15 PM EDT	Flash Flood Warning	JKL	Letcher, Pike	3 hr
Jun 17, 3:24 PM EDT	Areal Flood Advisory	JKL	Floyd, Knott, Letcher, Pike	3 hr
Jun 17, 3:28 PM EDT	Tornado Warning	JKL	Bell, Knox, Whitley	32 min
Jun 17, 3:35 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Knox, McCreary, Whitley	40 min
Jun 17, 3:39 PM EDT	Flash Flood Warning	JKL	Floyd, Knott, Letcher, Pike	3 hr
Jun 17, 3:45 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Jackson, Owsley	45 min
Jun 17, 3:55 PM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, McCreary, Pulaski, Wayne, Whitley	65 min
Jun 17, 4:08 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Owsley	36 min
Jun 17, 4:13 PM EDT	Tornado Warning	JKL	Bell, Knox, Whitley	47 min
Jun 17, 4:39 PM EDT	Severe Thunderstorm Warning	JKL	Pulaski, Rockcastle	51 min
Jun 17, 4:52 PM EDT	Flash Flood Warning	JKL	Floyd, Martin, Pike	3 hr
Jun 17, 4:53 PM EDT	Severe Thunderstorm Warning	JKL	Whitley	22 min
Jun 17, 5:03 PM EDT	Flash Flood Warning	JKL	Bell, Clay, Jackson, Knox, Laurel, Leslie and 5 more	4 hr
Jun 17, 5:22 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski	53 min
Jun 17, 6:29 PM EDT	Severe Thunderstorm Warning	JKL	McCreary, Pulaski, Wayne, Whitley	46 min
Jun 17, 6:50 PM EDT	Tornado Warning	JKL	McCreary, Whitley	40 min
Jun 17, 6:58 PM EDT	Flash Flood Warning	JKL	McCreary, Pulaski, Wayne, Whitley	2 hr
Jun 17, 7:23 PM EDT	Severe Thunderstorm Warning	JKL	McCreary, Whitley	14 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.