Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 20, NWS Jackson, KY

April 10, 20157 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 10, 2015, 6:45 AM EDT for 7 counties in Kentucky. It was in force for 45 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: Apr 10, 2015, 6:45 AM EDT (10:45 UTC)
Expired: Apr 10, 2015, 7:30 AM EDT
In force: 45 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Breathitt County, KY, Clay County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Owsley County, KY, Perry County, KY

The radar

The Jackson,KY radar (KJKL), 50 km from the middle of the area, began a volume at 10:45 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
Apr 10, 4:09 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.8 hours before the alert went out and 248 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: 849 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1308 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 11.8

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 Apr 10, 3:18 AM EDT, 3 hours 27 minutes earlier.

Area forecast discussion, Apr 10, 3:18 AM EDT, 3 hours 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON KY
318 AM EDT FRI APR 10 2015

.SHORT TERM...(TODAY THROUGH SATURDAY)
ISSUED AT 318 AM EDT FRI APR 10 2015

THE LATEST SURFACE MAP FEATURES DEEP LOW PRESSURE WRAPPING INTO
MICHIGAN...WITH A COLD FRONT ALIGNED SOUTH AND THEN SOUTHWEST...
HEADING INTO WESTERN KENTUCKY AND TENNESSEE. ALOFT...TWO DISTINCT
SHORT WAVE TROUGHS ARE ROTATING THROUGH WITHIN THE NORTHERN
STREAM. THE FIRST IS MAKING ITS WAY ACROSS THE GREAT LAKES
REGION...WITH THE SECOND PIVOTING SOUTH INTO MINNESOTA.

PLENTY OF CONVECTION HAS BEEN FIRING UP JUST AHEAD OF THE COLD
FRONT...WITH SCATTERED ACTIVITY MOVING ACROSS PORTIONS OF EASTERN
KENTUCKY IN THE PAST HOUR. CLOUD TOPS HAD BEEN GENERALLY WARMING
EARLIER...HOWEVER THERE HAS BEEN SOME COOLING ACROSS SOUTHWESTERN
KENTUCKY IN THE PAST HOUR...WITH SOME OF THE MORE INTENSE STORMS
STILL CAPABLE OF PRODUCING SOME DAMAGING WIND GUSTS.

THE MODELS ARE IN GOOD AGREEMENT THROUGH THE SHORT TERM...WITH
WIDESPREAD CONVECTION TO MOVE IN ACROSS OUR AREA IN THE 5 TO 9 AM
TIME FRAME. THIS IS NOT FAVORABLE FOR SEVERE WEATHER...HOWEVER
WILL HAVE TO WATCH OUT FOR SOME INSTANCES OF STRONGER WIND GUSTS
WITHIN THE MORE DECENT LINE SEGMENTS THAT CAN EITHER RE-DEVELOP OR
MAINTAIN THEMSELVES THROUGH DAWN...AS 850 MB WINDS WILL REMAIN IN
THE 50 TO 55 KT RANGE THROUGH THAT TIME. ADDITIONALLY...FLASH
FLOODING WILL CONTINUE TO BE A CONCERN...PARTICULARLY ALONG AND
NORTH OF THE MOUNTAIN PARKWAY...WHERE SCATTERED CONVECTION HAS
ALREADY MOVED IN AND PRIMED SOME LOCATIONS.

SHOWERS AND STORMS WILL GRADUALLY WIND DOWN FROM WEST TO EAST THIS
MORNING...AS THE COLD FRONT PASSES THROUGH AND LIKELY CLEARS
THE EASTERN END OF THE COMMONWEALTH BY NOON. HIGH PRESSURE WILL
SETTLE IN ACROSS THE OHIO VALLEY TONIGHT...WITH CLEARING SKIES AND
MUCH COOLER LOWS THAN WE HAVE BEEN SEEING OVER THE PAST SEVERAL
DAYS...AS READINGS DIP DOWN INTO THE 40S...WITH A FEW UPPER 30S
POSSIBLE IN THE MORE SHELTERED VALLEYS.

SATURDAY WILL BE A BEAUTIFUL DAY UNDER MOSTLY SUNNY SKIES. HIGHS
WILL TOP OUT IN THE 60S...WITH LOW RELATIVE HUMIDITIES.

.LONG TERM...(SATURDAY NIGHT THROUGH THURSDAY)
ISSUED AT 318 AM EDT FRI APR 10 2015

A LARGE AREA OF SURFACE HIGH PRESSURE WILL SPREAD EAST SATURDAY
NIGHT INTO SUNDAY...BUT SHOULD CONTINUE TO YIELD DRY WEATHER THROUGH
THE REMAINDER OF THE WEEKEND. AN AREA OF LOW PRESSURE WILL THEN
TRACK ACROSS TENNESSEE ON TUESDAY AS A SURFACE COLD FRONT DROPS
SOUTHWARD. THIS WILL SPELL A PERIOD OF WET WEATHER ON MONDAY INTO
MONDAY NIGHT. WHILE WE COULD SQUEEZE OUT SOME ELEVATED INSTABILITY
WITH THIS SYSTEM...THE OVERALL SETUP SEEMS UNFAVORABLE FOR THUNDER
GIVEN THE SURFACE LOW TRACK SOUTH OF THE AREA. THUS...WILL CONTINUE
TO MAINTAIN THE NO THUNDER CHANCES ON MONDAY.

CONDITIONS WILL DRY OUT AGAIN HEADING INTO TUESDAY AND TUESDAY NIGHT
AS HIGH PRESSURE PUSHES EAST ACROSS THE OHIO RIVER VALLEY. AS THE
HIGH SHIFTS EAST ON LATE WEDNESDAY...RETURN FLOW WILL BRING MOISTURE
BACK INTO THE REGION WITH UNSETTLED WEATHER TAKING SHAPE FOR THE
REMAINDER OF THE WEEK. WHILE THE END OF NEXT WEEK IS LOOKING WET
AGAIN...MODELS ARE NOT IN VERY GOOD AGREEMENT ON THE OVERALL
EVOLUTION. HOWEVER...IT DOES LOOK LIKE A WETTER PERIOD...AND
THUS...WILL GO WITH THE HIGHER POPS FOR THE END OF THE WEEK.
TEMPERATURES WILL CONTINUE TO RUN HIGH THROUGH THE EXTENDED PERIOD.
WHILE MODELS DO DISAGREE ON EVOLUTION...IT DOES LOOK LIKE
INSTABILITY WILL STILL BE WEAK AT BEST...AND WILL MAINTAIN NO
THUNDERSTORMS THROUGH THE EXTENDED. EVEN IN THE WAKE OF THE COLD
FRONT ON TUESDAY...WE MAY END UP DRY ENOUGH AND WITH ENOUGH SUN TO
PUSH TEMPERATURES INTO THE 7OS. THUS...THE MILD AND WET WEATHER WILL
CONTINUE.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z FRIDAY NIGHT)
ISSUED AT 205 AM EDT FRI APR 10 2015

CEILINGS WILL BE LOWERING THROUGH DAWN AS A COLD FRONT AND LINE OF
CONVECTION APPROACH FROM THE WEST. THE STRONGER AND MORE
WIDESPREAD CONVECTION LOOKS TO AFFECT EASTERN KENTUCKY BETWEEN 09
AND 13Z...BEFORE DIMINISHING THROUGH THE MID AND LATE MORNING FROM
WEST TO EAST AS THE COLD FRONT CROSSES THE AREA. GUSTY SOUTH TO
SOUTHWEST WINDS OF 7 TO 15 KTS...WITH GUSTS OF 15 TO 20 KTS WILL
VEER TO THE WEST AND NORTHWEST BEHIND THE COLD FRONT. CEILINGS
WILL DROP DOWN TO MVFR AT TIMES WITHIN THE STORMS...WITH EVEN SOME
TEMPORARY IFR POSSIBLE. SKIES WILL CLEAR OUT LATE THIS
AFTERNOON...WITH WINDS DIMINISHING AS HIGH PRESSURE BUILDS IN.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH UNTIL NOON EDT TODAY FOR KYZ044-050>052-
058>060-068-069-079-080-083>088-104-106>120.

&&

SHORT TERM...GEOGERIAN
LONG TERM...KAS
AVIATION...GEOGERIAN

Hazardous weather outlook, Apr 10, 4:36 AM EDT, 2 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
436 AM EDT FRI APR 10 2015

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-111100-
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-
INCLUDING THE CITIES OF...FLEMINGSBURG...CAMARGO...
JEFFERSONVILLE...MOUNT STERLING...OWINGSVILLE...MOREHEAD...
IRVINE...RAVENNA...CLAY CITY...STANTON...FRENCHBURG...BRODHEAD...
MOUNT VERNON...MCKEE...ANNVILLE...BURNSIDE...SOMERSET...LONDON...
MONTICELLO...STEARNS...WHITLEY CITY...CORBIN...WILLIAMSBURG...
BARBOURVILLE...MIDDLESBORO...PINEVILLE...CUMBERLAND...HARLAN...
SANDY HOOK...WEST LIBERTY...PAINTSVILLE...CAMPTON...
SALYERSVILLE...PRESTONSBURG...WHEELWRIGHT...BEATTYVILLE...
JACKSON...HINDMAN...PIPPA PASSES...BOONEVILLE...HAZARD...
MANCHESTER...HYDEN...JENKINS...WHITESBURG...INEZ...COAL RUN...
ELKHORN CITY...PIKEVILLE...SOUTH WILLIAMSON
436 AM EDT FRI APR 10 2015

...FLASH FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...
...SEVERE THUNDERSTORM WATCH 53 IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS MORNING. SOME STORMS
MAY PRODUCE DAMAGING WIND GUSTS THROUGH THE MID-MORNING HOURS.
ADDITIONALLY...FLASH FLOODING WILL BE POSSIBLE THROUGH THIS
MORNING...PARTICULARLY ACROSS LOCATIONS THAT SEE REPEATED ROUNDS
OF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF WIND DAMAGE OR
FLOODING THIS MORNING.

GEOGERIAN

In the hours before

Special weather statement, Apr 10, 5:24 AM EDT, 1 hour 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
524 AM EDT FRI APR 10 2015

KYZ044-050>052-100945-
BATH-ROWAN-MONTGOMERY-FLEMING-
524 AM EDT FRI APR 10 2015

...A STRONG THUNDERSTORM WILL AFFECT BATH...ROWAN...MONTGOMERY...
FLEMING...

AT 523 AM EDT...A STRONG THUNDERSTORM WAS OVER SHARPSBURG...OR 7
MILES WEST OF OWINGSVILLE...MOVING EAST AT 60 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MOREHEAD...FLEMINGSBURG...OWINGSVILLE...MARSHALL...SHARPSBURG...
GRANGE CITY...CRAINTOWN...GODDARD...PECKS RIDGE...HAYS CROSSING...
CHRISTY...PEASTICKS...BETHEL...RINGOS MILLS...SHARKEY...FOXPORT...
MUNSON...FLAT CREEK...BOURBON FURNACE AND HILDA.

THIS INCLUDES INTERSTATE 64 IN EASTERN KENTUCKY BETWEEN MILE MARKERS
116 AND 147.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...WHICH WILL
CAUSE PONDING OF WATER ON ROADWAYS. LOCALIZED FLOODING IS ALSO
POSSIBLE. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
EAST CENTRAL KENTUCKY.

&&

LAT...LON 3845 8357 3844 8358 3838 8344 3819 8327
      3807 8405 3811 8408 3813 8407 3817 8399
      3830 8385 3832 8384 3835 8387 3849 8359
TIME...MOT...LOC 0923Z 254DEG 75KT 3817 8390

KAS

Special weather statement, Apr 10, 5:29 AM EDT, 1 hour 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
529 AM EDT FRI APR 10 2015

KYZ058>060-108-111-101000-
ESTILL-WOLFE-POWELL-MENIFEE-LEE-
529 AM EDT FRI APR 10 2015

...A STRONG THUNDERSTORM WILL AFFECT ESTILL...WOLFE...POWELL...
MENIFEE...LEE...

AT 529 AM EDT...A STRONG THUNDERSTORM WAS OVER PITTS...OR NEAR
IRVINE...MOVING NORTHEAST AT 50 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
IRVINE...FRENCHBURG...RAVENNA...COBHILL...STOLL...BOWEN...GREELEY...
PITTS...LEECO...TABOR...GLENCAIRN...ZACHARIAH...PATSEY...ROGERS
CHAPEL...KOOMER RIDGE CAMPGROUND...ROTHWELL...KNOWLTON...FITCHBURG...
PILOT AND HAYSTACK.

THIS INCLUDES BERT T. COMBS MOUNTAIN PARKWAY BETWEEN MILE MARKERS 25
AND 41.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
SOUTHEASTERN KENTUCKY.

&&

LAT...LON 3800 8367 3788 8349 3787 8351 3787 8350
      3784 8348 3784 8346 3783 8344 3760 8387
      3767 8398
TIME...MOT...LOC 0929Z 226DEG 45KT 3769 8387

KAS

Special weather statement, Apr 10, 5:51 AM EDT, 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
551 AM EDT FRI APR 10 2015

KYZ058-068-069-079-080-083>086-111-114-116-101030-
ESTILL-PULASKI-CLAY-ROCKCASTLE-WHITLEY-WAYNE-JACKSON-KNOX-MCCREARY-
OWSLEY-LEE-LAUREL-
551 AM EDT FRI APR 10 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ESTILL...PULASKI...
CLAY...ROCKCASTLE...WHITLEY...WAYNE...JACKSON...KNOX...MCCREARY...
OWSLEY...LEE...LAUREL...

AT 550 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR SHIRLEY TO NEAR GREAT MEADOWS CAMPSITES...AND
MOVING EAST AT 50 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
LONDON...WILLIAMSBURG...MOUNT VERNON...BEATTYVILLE...MCKEE...WHITLEY
CITY...CORBIN...LIBERTY...HAZEL PATCH...DONARO...MOORE HILL...
CRESSMONT...IDA MAY...SUTTONS MILL...JEP HILL...JOHNETTA...
COLLINGSWORTH...WAGERSVILLE...CLIO AND HUXLEY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HAL ROGERS PARKWAY BETWEEN MILE MARKERS 1 AND 12.
 INTERSTATE 75 IN EAST CENTRAL KENTUCKY BETWEEN MILE MARKERS 5 AND
63.
 KENTUCKY HIGHWAY 80 IN LAUREL COUNTY BETWEEN MILE MARKERS 1 AND 11.
 KENTUCKY HIGHWAY 80 IN PULASKI COUNTY BETWEEN MILE MARKERS 30 AND
40.
 U.S. HIGHWAY 25 EAST IN KNOX COUNTY BETWEEN MILE MARKERS 21 AND 26.
 U.S. HIGHWAY 25 EAST IN LAUREL COUNTY BETWEEN MILE MARKERS 0 AND 2.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
SOUTHEASTERN KENTUCKY.

&&

LAT...LON 3660 8475 3751 8428 3756 8409 3761 8411
      3769 8364 3659 8415
TIME...MOT...LOC 0950Z 251DEG 43KT 3755 8418 3661 8469

KAS

Special weather statement, Apr 10, 6:13 AM EDT, 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
613 AM EDT FRI APR 10 2015

KYZ106-108-101045-
WOLFE-MORGAN-
613 AM EDT FRI APR 10 2015

...A STRONG THUNDERSTORM WILL AFFECT WOLFE...MORGAN...

AT 613 AM EDT...A STRONG THUNDERSTORM WAS OVER VORTEX...OR NEAR
CAMPTON...MOVING EAST AT 55 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MALAGA...LANE...ROSEFORK...HOLLONVILLE...ADELE...GRANNIE...GILMORE...
VORTEX...UPPER GILMORE...SHOCKEY...LOWER GILMORE...LANDSAW...
BELKNAP...LEXIE...FLAT...LEE CITY...BURKHART...DAYSBORO...BAPTIST AND
SELLARS.

THIS INCLUDES BERT T. COMBS MOUNTAIN PARKWAY BETWEEN MILE MARKERS 48
AND 61.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
SOUTHEASTERN KENTUCKY.

&&

LAT...LON 3769 8325 3768 8334 3770 8339 3768 8343
      3766 8343 3765 8355 3768 8363 3783 8333
TIME...MOT...LOC 1013Z 251DEG 47KT 3769 8352

KAS

Special weather statement, Apr 10, 6:28 AM EDT, 17 minutes before

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Local storm report, Apr 10, 6:44 AM EDT, 1 minute 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
Apr 10, 4:14 AM EDT	Flash Flood Warning	JKL	Bath, Fleming, Montgomery	4 hr
Apr 10, 4:15 AM EDT	Special Weather Statement	JKL	Bath, Fleming	30 min
Apr 10, 5:08 AM EDT	Special Weather Statement	JKL	McCreary, Pulaski, Rockcastle, Wayne	37 min
Apr 10, 5:11 AM EDT	Special Weather Statement	JKL	Estill, Jackson, Powell, Rockcastle	34 min
Apr 10, 5:22 AM EDT	Areal Flood Advisory	JKL	Bath, Elliott, Estill, Fleming, Menifee, Montgomery and 3 more	3 hr
Apr 10, 5:24 AM EDT	Special Weather Statement	JKL	Bath, Fleming, Rowan	21 min
Apr 10, 5:29 AM EDT	Special Weather Statement	JKL	Menifee, Powell	31 min
Apr 10, 5:51 AM EDT	Special Weather Statement	JKL	Jackson, Laurel, Lee, McCreary, Rockcastle, Whitley	39 min
Apr 10, 6:13 AM EDT	Special Weather Statement	JKL	Wolfe	32 min
Apr 10, 6:28 AM EDT	Special Weather Statement	JKL	Bell, Clay, Knox, Leslie	32 min
Apr 10, 7:21 AM EDT	Special Weather Statement	JKL	Floyd, Knott, Perry	24 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2015 Every severe thunderstorm warning in 2015

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.