Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

July 11, 2021Martin County, Kentucky

NWS Jackson, KY issued this special weather statement at Jul 11, 2021, 6:16 PM EDT for Martin County, Kentucky. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 11, 2021, 6:16 PM EDT (22:16 UTC)
Expired: Jul 11, 2021, 6:45 PM EDT
In force: 29 min
Issued by: NWS Jackson, KY

County Martin County, KY

The radar

The Jackson,KY radar (KJKL), 73 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 206 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: 151 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 11, 3:45 PM EDT, 2 hours 31 minutes earlier.

Area forecast discussion, Jul 11, 3:45 PM EDT, 2 hours 31 minutes before

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Hazardous weather outlook, Jul 11, 3:30 PM EDT, 2 hours 46 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Jackson KY
330 PM EDT Sun Jul 11 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-122230-
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, and South Williamson
330 PM EDT Sun Jul 11 2021

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Tonight.

Thunderstorms are likely into the evening, becoming more
scattered overnight. Some of these storms could become strong
resulting in frequent cloud to ground lightning, damaging wind
gusts, heavy rainfall, and localized flash flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible each day, especially during the
afternoon and evening hours.

There is the potential for heavy rain and strong storms again
on Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to call in any reports of flooding or wind
damage over the next couple days.

GREIF/AR

In the hours before

Local storm report, Jul 11, 12:43 PM EDT, 5 hours 33 minutes before

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Special weather statement, Jul 11, 5:44 PM EDT, 32 minutes before

Special Weather Statement
National Weather Service JACKSON KY
544 PM EDT Sun Jul 11 2021

KYZ107-109-110-112-112215-
Breathitt-Floyd-Johnson-Magoffin-
544 PM EDT Sun Jul 11 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN JOHNSON...
NORTHWESTERN FLOYD...NORTHEASTERN BREATHITT AND EASTERN MAGOFFIN
COUNTIES...

At 543 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Ballot to near Lambric. Movement was
northeast at 35 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Paintsville, Prestonsburg, Salyersville, Mason, Fredville, Oaklawn
Estates, Fitz, Oil Springs, Falcon, Carver, Burning Fork, Meally,
Collista, West Van Lear, Dotson, West Royalton Station, Carver
Station, Williamsport, Offutt and Blue River.

LAT...LON 3760 8278 3754 8316 3779 8302 3792 8273
      3790 8270
TIME...MOT...LOC 2143Z 243DEG 29KT 3779 8295 3757 8308

GEERTSON

Special weather statement, Jul 11, 6:16 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service JACKSON KY
616 PM EDT Sun Jul 11 2021

KYZ107-109-110-119-120-112245-
Martin-Floyd-Pike-Johnson-Magoffin-
616 PM EDT Sun Jul 11 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MARTIN...SOUTHEASTERN
JOHNSON...NORTHERN FLOYD...NORTHWESTERN PIKE AND SOUTHEASTERN
MAGOFFIN COUNTIES...

At 615 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Chestnut to Gunlock. Movement was east at
25 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Paintsville, Prestonsburg, Inez, Martin, Warfield, Allen, Add,
Oaklawn Estates, Bammer, Davella, Lancer, Whitehouse, Meally, Prince,
Collista, Orchard, West Van Lear, Dotson, Ivel and Williamsport.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3760 8257 3755 8297 3792 8274 3788 8261
      3789 8260 3792 8260 3793 8258 3795 8258
      3796 8253 3794 8249 3794 8250 3790 8247
      3791 8247 3788 8242 3787 8241 3786 8242
      3784 8241
TIME...MOT...LOC 2215Z 254DEG 21KT 3790 8270 3755 8294

GEERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 5:29 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Johnson, Magoffin	16 min
Jul 11, 5:31 PM EDT	Areal Flood Advisory	JKL	Jackson, Rockcastle	119 min
Jul 11, 5:44 PM EDT	Special Weather Statement	JKL	Johnson, Magoffin	31 min
Jul 11, 6:08 PM EDT	Flash Flood Warning	JKL	Jackson, Pulaski, Rockcastle	113 min
Jul 11, 6:25 PM EDT	Severe Thunderstorm Warning	JKL	Johnson, Martin	35 min
Jul 11, 7:03 PM EDT	Special Weather Statement	JKL	Owsley	27 min
Jul 11, 7:29 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Owsley	31 min
Jul 11, 7:53 PM EDT	Special Weather Statement	JKL	Clay	37 min
Jul 11, 7:59 PM EDT	Special Weather Statement	JKL	Breathitt	31 min

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

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.