Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 16, NWS Jackson, KY

April 8, 2015Johnson County, Martin County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 8, 2015, 3:03 PM EDT for Johnson County, Martin County, Kentucky. It was in force for 57 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 8, 2015, 3:03 PM EDT (19:03 UTC)
Expired
Apr 8, 2015, 4:00 PM EDT
In force
57 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
2.75 in
Wind
60.0 mph

Counties Johnson County, KY, Martin County, KY

The radar

The Jackson,KY radar (KJKL), 62 km from the middle of the area, began a volume at 19:06 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.

IssuedProductOfficeLasted
Apr 8, 12:33 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 204 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2015-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 487 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2015-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
487 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
711 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 Apr 8, 2:31 PM EDT, 32 minutes earlier.

Area forecast discussion, Apr 8, 2:31 PM EDT, 32 minutes before
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Hazardous weather outlook, Apr 8, 7:45 AM EDT, 7 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
745 AM EDT WED APR 8 2015

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-091445-
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
745 AM EDT WED APR 8 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID AFTERNOON AND BRING A
THREAT OF LARGE HAIL...DAMAGING WIND GUSTS...AND FLASH FLOODING TO
PARTS OF EASTERN KENTUCKY...PARTICULARLY NORTH OF THE HAL ROGERS
PARKWAY.

THUNDERSTORMS WILL ALSO BE POSSIBLE THIS EVENING AND TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORMS WILL BE POSSIBLE AT TIMES FROM THURSDAY THROUGH
FRIDAY AFTERNOON...WITH A THREAT OF LOCALLY HEAVY RAINFALL AND A
POTENTIAL FOR SEVERE WEATHER.

THUNDERSTORMS WILL ALSO BE POSSIBLE SUNDAY NIGHT THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF HAIL...WIND
DAMAGE...OR FLOODING FROM STORMS TODAY.

GREIF

In the hours before

Local storm report, Apr 8, 12:54 PM EDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1254 PM EDT WED APR 08 2015

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

1253 PM     HAIL             FLEMINGSBURG            38.42N 83.74W
04/08/2015  M1.00 INCH       FLEMING            KY   EMERGENCY MNGR

&&

TBREWER
Special weather statement, Apr 8, 1:35 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
135 PM EDT WED APR 8 2015

KYZ051-052-081800-
BATH-ROWAN-
135 PM EDT WED APR 8 2015

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT BATH...ROWAN...

AT 135 PM EDT...AN AREA OF STRONG THUNDERSTORMS WAS OVER RAMEY...OR
NEAR MOREHEAD...MOVING EAST AT 35 MPH.

WINDS IN EXCESS OF 30 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
MOREHEAD...SALT LICK...MINOR...HAYS CROSSING...CHRISTY...WAGNER
STORE...SHARKEY...CLEARFIELD...MUNSON...HAMM...HILDA...MOORE'S
FERRY...ELLIOTTVILLE...RAMEY...VALE...PELFREY...CRIX...COGSWELL...
LICK FORK AND WAGNER.

THIS INCLUDES INTERSTATE 64 IN EASTERN KENTUCKY BETWEEN MILE MARKERS
129 AND 142.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT FOR
EAST CENTRAL KENTUCKY. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 600 PM EDT FOR SOUTHEASTERN KENTUCKY.

&&

LAT...LON 3821 8330 3821 8329 3819 8326 3819 8325
      3818 8326 3813 8324 3807 8335 3808 8363
      3819 8363 3822 8358 3821 8357 3824 8356
      3827 8332
TIME...MOT...LOC 1735Z 264DEG 32KT 3818 8354

RAY
Local storm report, Apr 8, 2:31 PM EDT, 32 minutes before
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Local storm report, Apr 8, 2:36 PM EDT, 27 minutes before
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Local storm report, Apr 8, 2:49 PM EDT, 14 minutes before
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Local storm report, Apr 8, 2:50 PM EDT, 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 8:10 PM EDTSpecial Weather StatementJKLMcCreary, Wayne35 min
Apr 7, 8:14 PM EDTSpecial Weather StatementJKLBath, Magoffin, Menifee, Morgan, Wolfe31 min
Apr 7, 8:15 PM EDTSpecial Weather StatementJKLClay, Laurel, Rockcastle60 min
Apr 7, 8:28 PM EDTTornado WarningJKLBreathitt, Lee, Magoffin, Wolfe20 min
Apr 7, 8:37 PM EDTSpecial Weather StatementJKLBell, Knox, McCreary, Whitley23 min
Apr 7, 8:45 PM EDTSevere Thunderstorm WarningJKLLaurel, McCreary, Pulaski, Whitley30 min
Apr 8, 4:25 AM EDTDense Fog AdvisoryJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more3 hr
Apr 8, 5:31 AM EDTRiver Flood AdvisoryJKLWhitley54 hr
Apr 8, 6:03 AM EDTRiver Flood AdvisoryJKLLee4 days
Apr 8, 6:03 AM EDTRiver Flood AdvisoryJKLEstill5 days
Apr 8, 12:33 PM EDTSevere Thunderstorm WarningJKLFleming, Rowan42 min
Apr 8, 1:11 PM EDTSevere Thunderstorm WarningJKLFleming, Rowan34 min
Apr 8, 1:35 PM EDTSpecial Weather StatementJKLRowan25 min
Apr 8, 1:43 PM EDTSevere Thunderstorm WarningJKLElliott, Rowan47 min
Apr 8, 2:05 PM EDTSevere Thunderstorm WarningJKLElliott, Morgan40 min
Apr 8, 2:25 PM EDTSevere Thunderstorm WarningJKLElliott, Johnson, Morgan50 min
Apr 8, 3:39 PM EDTSevere Thunderstorm WarningJKLPike51 min
Apr 8, 3:57 PM EDTFlash Flood WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more43 hr
Apr 8, 4:28 PM EDTSevere Thunderstorm WarningJKLPike19 min
Apr 8, 6:22 PM EDTFlash Flood WarningJKLBath, Elliott, Fleming, Rowan5 hr
Apr 8, 6:25 PM EDTSpecial Weather StatementJKLBath, Rowan65 min
Apr 8, 6:44 PM EDTSpecial Weather StatementJKLElliott61 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2015Every 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.