Alert archive / Kentucky / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 125, NWS Jackson, KY

June 11, 20094 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 11, 2009, 1:40 PM EDT for 4 counties in Kentucky. It was in force for 50 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 11, 2009, 1:40 PM EDT (17:40 UTC)
Expired: Jun 11, 2009, 2:30 PM EDT
In force: 50 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon

Counties Bell County, KY, Knox County, KY, McCreary County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 89 km from the middle of the area, began a volume at 17:41 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 11, 12:18 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 240 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: 2748 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.5

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 11, 1:39 PM EDT, 1 minute earlier.

Area forecast discussion, Jun 11, 1:39 PM EDT, 1 minute before

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Hazardous weather outlook, Jun 11, 4:26 AM EDT, 9 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
426 AM EDT THU JUN 11 2009

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-121100-
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-
426 AM EDT THU JUN 11 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT. SOME OF THE STORMS
DURING THE DAY MAY APPROACH SEVERE LIMITS...WITH DAMAGING WINDS AND
LARGE HAIL BEING THE MAIN THREATS.

IN ADDITION...LOCALLY HEAVY RAINFALL WILL BE POSSIBLE TODAY. THIS MAY
RESULT IN SOME MINOR FLOODING OF CREEKS AND STREAMS...WITH ISOLATED
FLASH FLOODING POSSIBLE AT LOCATIONS THAT HAVE SEEN HEAVY RAINFALL IN
THE PAST DAY.

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

THUNDERSTORMS WILL BE POSSIBLE FROM TIME TO TIME FRIDAY THROUGH
WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HAIL...DAMAGING WINDS...OR
HEAVY RAINFALL AND FLOODING TODAY.

GEOGERIAN

In the hours before

Special weather statement, Jun 11, 8:06 AM EDT, 5 hours 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
806 AM EDT THU JUN 11 2009

KYZ088-118>120-111230-
MARTIN-PIKE-LETCHER-HARLAN-
806 AM EDT THU JUN 11 2009

...AN AREA OF STRONG THUNDERSTORMS TO AFFECT EASTERN MARTIN...
PIKE...LETCHER AND HARLAN COUNTIES THROUGH 830 AM EDT THURSDAY
MORNING...

AT 805 AM EDT...AN AREA OF STRONG THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM CALF CREEK TO FISHTRAP LAKE TO POPEVILLE...MOVING
EAST AT 40 MPH.

THE STORMS WILL BE NEAR WHITEPOST AROUND 810 AM EDT...TURKEY CREEK
AROUND 815 AM EDT...HARDY AROUND 820 AM EDT...TOONERVILLE AROUND 825
AM EDT...AND PAW PAW AROUND 830 AM EDT.

RESIDENTS SHOULD EXPECT VERY HEAVY RAIN...WITH RAINFALL RATES BETWEEN
ONE AND TWO INCHES PER HOUR...GUSTY WINDS OF 40 TO 50 MPH...FREQUENT
LIGHTNING AND SMALL HAIL IN THESE AREAS.

DANGEROUS CLOUD TO GROUND LIGHTNING IS ASSOCIATED WITH THESE
THUNDERSTORMS. TAKE SHELTER IMMEDIATELY. REMEMBER...IF YOU CAN HEAR
THUNDER THEN LIGHTNING IS CLOSE ENOUGH TO BE A HAZARD.

GREIF

Local storm report, Jun 11, 9:17 AM EDT, 4 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
917 AM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 AM     FLOOD            2 NW ISOM               37.21N 82.93W
06/11/2009                   KNOTT              KY   CO-OP OBSERVER

            3 TO 4 INCHES OF WATER FLOWING ACROSS HIGHWAY 15 NEAR
            KNOTT/LETCHER COUNTY LINE.

&&

JCARICO

Local storm report, Jun 11, 9:32 AM EDT, 4 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
932 AM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0809 AM     FLOOD            STRUNK                  36.63N 84.43W
06/11/2009                   MCCREARY           KY   PUBLIC

            STREAMS BANKFUL. EVENT OCCURRED BETWEEN 754 AM AND 809
            AM. THROUGH AUTOMATED REPORTING SYSTEM.

0822 AM     FLOOD            WILLIAMSBURG            36.74N 84.17W
06/11/2009                   WHITLEY            KY   PUBLIC

            WATER OVER ROADS. EVENT OCCURRED BETWEEN 807 AM AND 822
            AM. THROUGH AUTOMATED REPORTING SYSTEM.

&&

JCARICO

Local storm report, Jun 11, 9:46 AM EDT, 3 hours 54 minutes before

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Local storm report, Jun 11, 10:53 AM EDT, 2 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1053 AM EDT THU JUN 11 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 AM     FLASH FLOOD      TURKEY CREEK            37.67N 82.31W
06/11/2009                   PIKE               KY   EMERGENCY MNGR

            CREEK BEHIND HOUSE FLOODING BACKYARD AND WATER IS
            STARTING TO ENTER HOUSE.

&&

JCARICO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 5:37 AM EDT	Areal Flood Advisory	JKL	Laurel, Pulaski, Rockcastle	53 min
Jun 11, 6:42 AM EDT	Areal Flood Advisory	JKL	Knox, Laurel, McCreary, Pulaski, Whitley	2 hr
Jun 11, 8:37 AM EDT	Flash Flood Warning	JKL	Bell, Knox, McCreary, Whitley	3 hr
Jun 11, 9:26 AM EDT	Areal Flood Advisory	JKL	Bell, Clay, Floyd, Harlan, Knott, Knox and 4 more	3 hr
Jun 11, 10:26 AM EDT	Flash Flood Watch	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 27 more	17 hr
Jun 11, 11:00 AM EDT	Flash Flood Warning	JKL	Pike	89 min
Jun 11, 12:45 PM EDT	Severe Thunderstorm Warning	JKL	McCreary, Pulaski, Wayne, Whitley	60 min
Jun 11, 2:00 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Knox, Laurel, McCreary, Pulaski, Whitley	45 min
Jun 11, 2:39 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Knox, Laurel, Leslie	41 min
Jun 11, 2:54 PM EDT	Flash Flood Warning	JKL	Clay, Knox, Laurel	3 hr
Jun 11, 3:02 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Harlan, Knott, Leslie, Letcher, Owsley and 1 more	43 min
Jun 11, 3:17 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Owsley, Perry	28 min
Jun 11, 3:31 PM EDT	Flash Flood Warning	JKL	Bell, Clay, Harlan, Knox, Leslie, Letcher and 1 more	3 hr
Jun 11, 3:46 PM EDT	Severe Thunderstorm Warning	JKL	Knott, Letcher, Perry, Pike	44 min
Jun 11, 4:00 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Knott, Magoffin, Pike	45 min
Jun 11, 4:26 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Martin, Pike	64 min
Jun 11, 4:33 PM EDT	Areal Flood Advisory	JKL	Floyd, Pike	3 hr
Jun 11, 4:39 PM EDT	Areal Flood Advisory	JKL	Menifee, Montgomery, Powell	119 min
Jun 11, 4:46 PM EDT	Flash Flood Warning	JKL	Floyd, Martin, Pike	6 hr
Jun 11, 4:52 PM EDT	Areal Flood Advisory	JKL	Johnson, Magoffin, Morgan, Wolfe	112 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.