Alert archive / Kentucky / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, KY
NWS Jackson, KY issued this special weather statement at May 4, 2021, 2:06 AM EDT for Harlan County, Kentucky. It was in force for 24 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
- May 4, 2021, 2:06 AM EDT (06:06 UTC)
- Expired
- May 4, 2021, 2:30 AM EDT
- In force
- 24 min
- Issued by
- NWS Jackson, KY
County Harlan County, KY
The radar
The Knoxville radar (KMRX), 66 km from the middle of the area, began a volume at 06:08 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
Nashville Metro, TN (KBNA), launched 00:00Z, 6.1 hours before the alert went out and 305 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.
- Mixed-layer CAPE
- 2263 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.6
The text
As transmitted.
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</html>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 May 3, 10:59 PM EDT, 3 hours 7 minutes earlier.
Area forecast discussion, May 3, 10:59 PM EDT, 3 hours 7 minutes before
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</html>Hazardous weather outlook, May 3, 10:31 PM EDT, 3 hours 35 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>In the hours before
Special weather statement, May 4, 1:19 AM EDT, 47 minutes before
Special Weather Statement
National Weather Service JACKSON KY
119 AM EDT Tue May 4 2021
KYZ086>088-040545-
Knox-Bell-Harlan-
119 AM EDT Tue May 4 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN HARLAN...EAST
CENTRAL BELL AND SOUTH CENTRAL KNOX COUNTIES...
At 118 AM EDT, a strong thunderstorm was located over Wallsend, or
over Pineville, moving east at 25 mph.
Winds in excess of 30 mph and penny size hail are possible with this
storm.
Locations impacted include...
Pineville, Wallins Creek, East Pineville, Wallsend, Varilla,
Coldiron, Ingram, Ponza, Stony Fork Junction, Black Snake, Kentenia,
Tacky Town, Straight Creek, Blanche, Cary, Cubage, Rella, Fourmile,
Clear Creek Springs and Wasioto.
Torrential rainfall is also occurring with this storm, and may cause
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.
This storm 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 3673 8382 3682 8384 3689 8338 3669 8336
3667 8340 3666 8344
TIME...MOT...LOC 0518Z 268DEG 23KT 3677 8373
JMWSpecial weather statement, May 4, 2:06 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service JACKSON KY
206 AM EDT Tue May 4 2021
KYZ088-040630-
Harlan-
206 AM EDT Tue May 4 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN HARLAN COUNTY...
At 205 AM EDT, a strong thunderstorm was located over Pathfork, or 7
miles southwest of Harlan, moving east at 25 mph.
Winds in excess of 40 mph and nickel size hail are possible with this
storm.
Locations impacted include...
Bobs Creek, Hensley Store, Mary Alice, Smith, Liggett, Cranks,
Martins Fork Lake, Pathfork, Three Point, Kentenia, Grays Knob,
Peepace Store, Lenarve, Martins Fork and Crummies.
Torrential rainfall is also occurring with this storm, and may cause
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.
This storm 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 3672 8349 3673 8350 3679 8349 3683 8310
3680 8310 3678 8313 3676 8313 3674 8314
3674 8320 3670 8335
TIME...MOT...LOC 0605Z 276DEG 20KT 3675 8341
JMWThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 1:19 AM EDT | Special Weather Statement | JKL | Bell | 26 min |
| May 4, 5:01 AM EDT | Special Weather Statement | JKL | Wayne | 29 min |
| May 4, 6:59 AM EDT | Areal Flood Advisory | JKL | McCreary, Whitley | 3 hr |
| May 4, 7:27 AM EDT | Flash Flood Warning | JKL | McCreary | 5 hr |
| May 4, 7:51 AM EDT | Areal Flood Advisory | JKL | McCreary, Pulaski, Wayne, Whitley | 5 hr |
| May 4, 8:34 AM EDT | Flash Flood Warning | JKL | Wayne | 3 hr |
| May 4, 9:04 AM EDT | Flash Flood Warning | JKL | McCreary, Pulaski, Wayne | 3 hr |
| May 4, 10:49 AM EDT | Areal Flood Advisory | JKL | Knox, Laurel, Pulaski, Rockcastle, Whitley | 3 hr |
Nearby
Special Weather Statements in Kentucky, 2021Every 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.