Alert archive / Kentucky / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 65, NWS Jackson, KY

July 10, 2013Knott County, Letcher County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jul 10, 2013, 2:16 PM EDT for Knott County, Letcher County, Kentucky. It was in force for 44 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
Jul 10, 2013, 2:16 PM EDT (18:16 UTC)
Expired
Jul 10, 2013, 3:00 PM EDT
In force
44 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Knott County, KY, Letcher County, KY

The radar

The Jackson,KY radar (KJKL), 53 km from the middle of the area, began a volume at 18:17 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, 6.3 hours before the alert went out and 256 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 2013-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1493 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 2013-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939Sfc1 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
1493 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1009 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 10, 1:32 PM EDT, 44 minutes earlier.

Area forecast discussion, Jul 10, 1:32 PM EDT, 44 minutes before
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Hazardous weather outlook, Jul 10, 12:06 PM EDT, 2 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
1206 PM EDT WED JUL 10 2013

KYZ044-050>052-058>060-068-069-079-080-083>087-104-106>117-119-
111915-
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-ELLIOTT-
MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-OWSLEY-PERRY-
CLAY-LESLIE-MARTIN-
INCLUDING THE CITIES OF...FLEMINGSBURG...MOUNT STERLING...
OWINGSVILLE...MOREHEAD...IRVINE...STANTON...FRENCHBURG...
MOUNT VERNON...MCKEE...SOMERSET...LONDON...MONTICELLO...
WHITLEY CITY...CORBIN...WILLIAMSBURG...BARBOURVILLE...MIDDLESBORO...
PINEVILLE...SANDY HOOK...WEST LIBERTY...PAINTSVILLE...CAMPTON...
SALYERSVILLE...PRESTONSBURG...BEATTYVILLE...JACKSON...HINDMAN...
BOONEVILLE...HAZARD...MANCHESTER...HYDEN...INEZ
1206 PM EDT WED JUL 10 2013

...FLASH FLOOD WATCH IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

NUMEROUS THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND TONIGHT.

MANY OF THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN THAT MAY LEAD TO
FLASH FLOODING. IN ADDITION...SOME OF THE STRONGER STORMS THIS
AFTERNOON AND EVENING COULD PRODUCE GUSTY WINDS AND SMALL HAIL. THE
BEST CHANCE FOR SEVERE STORMS WITH HIGH WINDS AND LARGE HAIL WILL BE
TO THE NORTH OF THE MOUNTAIN PARKWAY.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE AT TIMES FROM SUNDAY THROUGH TUESDAY.

MOST THUNDERSTORMS WILL BE ISOLATED TO SCATTERED...FAVORING THE
AFTERNOON AND EARLY EVENING HOURS.

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

THUNDERSTORMS ARE POSSIBLE AT TIMES FROM SUNDAY THROUGH TUESDAY.

MOST THUNDERSTORMS WILL BE ISOLATED TO SCATTERED...FAVORING THE
AFTERNOON AND EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ARE ENCOURAGE TO REPORT FLOODING...HEAVY RAINFALL...HAIL...OR
DAMAGING WIND GUSTS.

KYZ088-118-120-111915-
HARLAN-LETCHER-PIKE-
INCLUDING THE CITIES OF...HARLAN...WHITESBURG...PIKEVILLE
1206 PM EDT WED JUL 10 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND TONIGHT.

MANY OF THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN THAT MAY CAUSE
SOME LOCALIZED URBAN AND SMALL STREAM FLOODING. IN ADDITION...SOME OF
THE STRONGER STORMS THIS AFTERNOON AND EVENING COULD PRODUCE GUSTY
WINDS AND SMALL HAIL. THE BEST CHANCE FOR SEVERE STORMS WITH HIGH
WINDS AND LARGE HAIL WILL BE TO THE NORTH OF THE MOUNTAIN PARKWAY.

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

THUNDERSTORMS ARE POSSIBLE AT TIMES FROM SUNDAY THROUGH TUESDAY.

MOST THUNDERSTORMS WILL BE ISOLATED TO SCATTERED...FAVORING THE
AFTERNOON AND EARLY EVENING HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ARE ENCOURAGE TO REPORT FLOODING...HEAVY RAINFALL...HAIL...OR
DAMAGING WIND GUSTS.

JMW/SBH

In the hours before

Special weather statement, Jul 10, 2:00 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
200 PM EDT WED JUL 10 2013

KYZ113-115-101845-
KNOTT-PERRY-
200 PM EDT WED JUL 10 2013

...A STRONG THUNDERSTORM TO AFFECT THE FOLLOWING COUNTIES THROUGH 245
PM EDT WEDNESDAY AFTERNOON...

   KNOTT AND
   EAST CENTRAL PERRY.

AT 159 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR JEFF...OR 6
MILES SOUTHEAST OF HAZARD...MOVING NORTHEAST AT 25 MPH.

LOCATIONS AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...VICCO...
BRINKLEY...HINDMAN...AND PIPPA PASSES.

RESIDENTS SHOULD EXPECT HEAVY RAIN...WITH RAINFALL RATES OF UP TO ONE
INCH PER HOUR...GUSTY WINDS OF 35 TO 45 MPH...FREQUENT LIGHTNING AND
SMALL HAIL IN THESE AREAS.

THE HEAVY RAIN WILL LIKELY CAUSE PONDING OF WATER ON AREA ROADWAYS.
MOTORISTS ARE URGED TO DRIVE CAREFULLY.

RAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 11:32 AM EDTFlash Flood WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more8 hr
Jul 10, 2:08 PM EDTAreal Flood AdvisoryJKLBell3 hr
Jul 10, 4:28 PM EDTAreal Flood AdvisoryJKLMcCreary, Pulaski, Wayne3 hr
Jul 10, 4:50 PM EDTSevere Thunderstorm WarningJKLBath, Menifee, Montgomery40 min
Jul 10, 4:51 PM EDTAreal Flood AdvisoryJKLEstill, Jackson, Rockcastle3 hr
Jul 10, 4:54 PM EDTAreal Flood AdvisoryJKLBath, Fleming, Menifee, Montgomery, Powell3 hr
Jul 10, 4:59 PM EDTAreal Flood AdvisoryJKLLaurel, Whitley4 hr
Jul 10, 5:20 PM EDTSevere Thunderstorm WarningJKLBreathitt, Lee, Magoffin, Menifee, Morgan, Powell and 1 more25 min
Jul 10, 5:37 PM EDTAreal Flood AdvisoryJKLClay, Knox3 hr
Jul 10, 5:41 PM EDTAreal Flood AdvisoryJKLBath, Elliott, Morgan, Rowan2 hr
Jul 10, 6:40 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Leslie, Letcher, Perry2 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2013Every severe thunderstorm warning in 2013

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.