Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

August 30, 2021Harlan County, Kentucky

NWS Jackson, KY issued this special weather statement at Aug 30, 2021, 3:12 PM EDT for Harlan County, Kentucky. It was in force for 63 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: Aug 30, 2021, 3:12 PM EDT (19:12 UTC)
Expired: Aug 30, 2021, 4:15 PM EDT
In force: 63 min
Issued by: NWS Jackson, KY
Hail: 0.00 in
Wind: 40

County Harlan County, KY

The radar

The Jackson,KY radar (KJKL), 73 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 282 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: 185 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 1095 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aug 30, 1:22 PM EDT, 1 hour 50 minutes earlier.

Area forecast discussion, Aug 30, 1:22 PM EDT, 1 hour 50 minutes before

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Hazardous weather outlook, Aug 30, 6:04 AM EDT, 9 hours 8 minutes before

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In the hours before

Local storm report, Aug 30, 11:43 AM EDT, 3 hours 29 minutes before

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Local storm report, Aug 30, 11:45 AM EDT, 3 hours 27 minutes before

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Local storm report, Aug 30, 11:56 AM EDT, 3 hours 16 minutes before

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Local storm report, Aug 30, 11:58 AM EDT, 3 hours 14 minutes before

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Local storm report, Aug 30, 1:16 PM EDT, 1 hour 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
116 PM EDT MON AUG 30 2021

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

1243 PM     FLASH FLOOD      1 SSE HUDDY             37.58N 82.27W
08/30/2021                   PIKE               KY   EMERGENCY MNGR

            POND CREEK AT THE RED ROBIN BUILDINGS IS
            FLOODED.

&&

FISHER

Special weather statement, Aug 30, 3:12 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service JACKSON KY
312 PM EDT Mon Aug 30 2021

KYZ088-117-302015-
Harlan KY-Leslie KY-
312 PM EDT Mon Aug 30 2021

...A strong thunderstorm will impact portions of central Harlan and
southern Leslie Counties through 415 PM EDT...

At 312 PM EDT, Doppler radar was tracking a strong thunderstorm over
Bledsoe, or near Harlan, moving east at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This strong thunderstorm will be near...
  Baxter and Sunshine around 320 PM EDT.
  Harlan and Tway around 325 PM EDT.
  Rosspoint, Golden Ash, Kitts, Clovertown and Harlan Gas around 330
  PM EDT.

Other locations in the path of this storm include Coxton, Napier,
Ages, Putney, Verda, Kildav, Big Laurel, Evarts, Bailey Creek and
Darkmont.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3684 8346 3697 8348 3701 8314 3700 8312
      3699 8312 3698 8315 3695 8315 3697 8310
      3697 8308 3681 8310
TIME...MOT...LOC 1912Z 264DEG 13KT 3690 8338

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

GREIF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 3:43 AM EDT	Flash Flood Watch	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 27 more	48 hr
Aug 30, 9:26 AM EDT	Areal Flood Advisory	JKL	Pike	45 min
Aug 30, 9:52 AM EDT	Areal Flood Advisory	JKL	Breathitt, Owsley	3 hr
Aug 30, 10:11 AM EDT	Flash Flood Warning	JKL	Pike	4 hr
Aug 30, 10:13 AM EDT	Areal Flood Advisory	JKL	Pike	36 min
Aug 30, 10:30 AM EDT	Areal Flood Advisory	JKL	Floyd, Pike	3 hr
Aug 30, 10:49 AM EDT	Flash Flood Warning	JKL	Pike	4 hr
Aug 30, 10:56 AM EDT	Flash Flood Warning	JKL	Floyd, Pike	4 hr
Aug 30, 12:05 PM EDT	Areal Flood Advisory	JKL	Lee, Owsley	3 hr
Aug 30, 12:57 PM EDT	Areal Flood Advisory	JKL	Owsley	3 hr
Aug 30, 2:03 PM EDT	Areal Flood Advisory	JKL	Whitley	3 hr
Aug 30, 3:45 PM EDT	Special Weather Statement	JKL	Lee, Owsley	45 min
Aug 30, 3:49 PM EDT	Special Weather Statement	JKL	Leslie	41 min
Aug 30, 3:53 PM EDT	Special Weather Statement	JKL	McCreary	52 min
Aug 30, 4:03 PM EDT	Areal Flood Advisory	JKL	McCreary, Wayne	3 hr
Aug 30, 4:18 PM EDT	Special Weather Statement	JKL	Clay	42 min
Aug 30, 4:42 PM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Laurel, Owsley	3 hr
Aug 30, 4:48 PM EDT	Special Weather Statement	JKL	Breathitt, Owsley	42 min
Aug 30, 5:17 PM EDT	Flash Flood Warning	JKL	Clay, Laurel	118 min
Aug 30, 6:09 PM EDT	Special Weather Statement	JKL	Floyd	51 min
Aug 30, 6:14 PM EDT	Areal Flood Advisory	JKL	Floyd, Martin, Pike	2 hr

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.