Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 79, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jul 30, 2021, 4:11 AM EDT for 5 counties in Kentucky. It was in force for 49 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 30, 2021, 4:11 AM EDT (08:11 UTC)
- Expired
- Jul 30, 2021, 5:00 AM EDT
- In force
- 49 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Laurel County, KY, McCreary County, KY, Pulaski County, KY, Rockcastle County, KY, Whitley County, KY
The radar
The Knoxville radar (KMRX), 123 km from the middle of the area, began a volume at 08:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 30, 4:17 AM EDT | TSTM WND DMG | 1 Wsw Mount Victory, KY | PULASKI COUNTY DISPATCH REPORTED THAT A TREE HAD BEEN BLOWN DOWN ONTO POPLARVILLE RD IN THE 2500 BLOCK. EVENT TIME WAS ESTIMATED FROM RADAR. |
| Jul 30, 4:27 AM EDT | TSTM WND DMG | Redbird, KY | WHITLEY COUNTY DISPATCH REPORTED MULTIPLE TREES DOWN ONTO ROADS IN THE REDBIRD COMMUNITY. TIME ESTIMATED FROM RADAR. |
| Jul 30, 4:54 AM EDT | TSTM WND DMG | 1 E Parkers Lake, KY | MCCREARY COUNTY DISPATCH REPORTED TREES DOWN ON HWY 90 IN THE VICINITY OF VANOVER RIDGE RD. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 8.2 hours before the alert went out and 212 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
- 1874 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
913
WUUS53 KJKL 300811
SVRJKL
KYC125-147-199-203-235-300900-
/O.NEW.KJKL.SV.W.0079.210730T0811Z-210730T0900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
411 AM EDT Fri Jul 30 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Southwestern Laurel County in south central Kentucky...
Pulaski County in south central Kentucky...
Eastern McCreary County in south central Kentucky...
South central Rockcastle County in south central Kentucky...
Whitley County in south central Kentucky...
* Until 500 AM EDT.
* At 410 AM EDT, a severe thunderstorm was located near Cumberland
Falls S.P., or 13 miles northwest of Williamsburg, moving southeast
at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Youngs Creek around 415 AM EDT.
Krupp around 420 AM EDT.
Redbird around 425 AM EDT.
Bon around 430 AM EDT.
Other locations in the path of this severe thunderstorm include
Mountain Ash.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3686 8459 3689 8459 3688 8460 3714 8480
3727 8431 3686 8406 3668 8394 3662 8441
TIME...MOT...LOC 0810Z 330DEG 38KT 3689 8433
HAIL...<.75IN
WIND...60MPH
$$
GREIF3 follow-up statements
870
WWUS53 KJKL 300825
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
425 AM EDT Fri Jul 30 2021
KYC203-300834-
/O.CAN.KJKL.SV.W.0079.000000T0000Z-210730T0900Z/
Rockcastle KY-
425 AM EDT Fri Jul 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ROCKCASTLE
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3686 8459 3689 8459 3688 8460 3713 8476
3716 8428 3686 8406 3668 8394 3662 8441
TIME...MOT...LOC 0824Z 327DEG 23KT 3680 8426
$$
KYC125-147-199-235-300900-
/O.CON.KJKL.SV.W.0079.000000T0000Z-210730T0900Z/
Laurel KY-Pulaski KY-McCreary KY-Whitley KY-
425 AM EDT Fri Jul 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EDT
FOR SOUTHWESTERN LAUREL...SOUTHEASTERN PULASKI...EASTERN MCCREARY AND
WHITLEY COUNTIES...
At 424 AM EDT, a severe thunderstorm was located over Krupp, or near
Williamsburg, moving southeast at 25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
This severe storm will be near...
Goldbug around 430 AM EDT.
Other locations in the path of this severe thunderstorm include
Williamsburg, Bon, Emlyn and Mountain Ash.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Intense thunderstorm clusters can produce brief tornadoes and
widespread significant wind damage. This storm may cause serious
injury and significant property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3686 8459 3689 8459 3688 8460 3713 8476
3716 8428 3686 8406 3668 8394 3662 8441
TIME...MOT...LOC 0824Z 327DEG 23KT 3680 8426
HAIL...1.00IN
WIND...70MPH
$$
GREIF877
WWUS53 KJKL 300838
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
438 AM EDT Fri Jul 30 2021
KYC125-147-199-235-300900-
/O.CON.KJKL.SV.W.0079.000000T0000Z-210730T0900Z/
Laurel KY-Pulaski KY-McCreary KY-Whitley KY-
438 AM EDT Fri Jul 30 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM EDT
FOR SOUTHWESTERN LAUREL...SOUTHEASTERN PULASKI...EASTERN MCCREARY AND
WHITLEY COUNTIES...
At 438 AM EDT, a severe thunderstorm was located over Redbird, or
over Williamsburg, moving southeast at 30 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Emlyn, Verne, Nevisdale and Gatliff.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3686 8459 3689 8459 3688 8460 3699 8466
3706 8421 3686 8406 3668 8394 3662 8441
TIME...MOT...LOC 0838Z 305DEG 25KT 3677 8420
TORNADO...POSSIBLE
HAIL...0.88IN
WIND...70MPH
$$
GREIF896
WWUS53 KJKL 300858
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
458 AM EDT Fri Jul 30 2021
KYC125-147-199-235-300907-
/O.EXP.KJKL.SV.W.0079.000000T0000Z-210730T0900Z/
Laurel KY-Pulaski KY-McCreary KY-Whitley KY-
458 AM EDT Fri Jul 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LAUREL...
SOUTHEASTERN PULASKI...EASTERN MCCREARY AND WHITLEY COUNTIES WILL
EXPIRE AT 500 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
Remember, an additional Severe Thunderstorm Warning still remains in
effect for Whitley and McCreary counties.
LAT...LON 3686 8459 3689 8459 3688 8460 3699 8466
3706 8421 3686 8406 3668 8394 3662 8441
TIME...MOT...LOC 0857Z 330DEG 38KT 3661 8408
$$
GREIFThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 9:55 PM EDT | Special Weather Statement | JKL | Rowan | 35 min |
| Jul 29, 10:03 PM EDT | Severe Thunderstorm Warning | JKL | Rowan | 27 min |
| Jul 29, 10:25 PM EDT | Severe Thunderstorm Warning | JKL | Elliott, Rowan | 35 min |
| Jul 29, 10:44 PM EDT | Severe Thunderstorm Warning | JKL | Elliott, Morgan, Rowan | 31 min |
| Jul 29, 10:53 PM EDT | Areal Flood Advisory | JKL | Elliott, Fleming, Rowan | 3 hr |
| Jul 29, 11:15 PM EDT | Special Weather Statement | JKL | Elliott, Johnson, Magoffin, Morgan, Wolfe | 30 min |
| Jul 29, 11:23 PM EDT | Special Weather Statement | JKL | Bath, Fleming, Rowan | 37 min |
| Jul 29, 11:32 PM EDT | Areal Flood Advisory | JKL | Bath, Elliott, Fleming, Morgan, Rowan | 3 hr |
| Jul 29, 11:43 PM EDT | Flash Flood Warning | JKL | Bath, Fleming, Menifee, Morgan, Rowan | 4 hr |
| Jul 30, 12:23 AM EDT | Special Weather Statement | JKL | Breathitt, Wolfe | 52 min |
| Jul 30, 12:24 AM EDT | Flash Flood Warning | JKL | Bath, Magoffin, Menifee, Montgomery, Morgan, Wolfe | 4 hr |
| Jul 30, 12:25 AM EDT | Special Weather Statement | JKL | Menifee, Montgomery, Wolfe | 50 min |
| Jul 30, 12:36 AM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Knott, Magoffin, Perry | 39 min |
| Jul 30, 12:45 AM EDT | Special Weather Statement | JKL | Perry | 45 min |
| Jul 30, 12:59 AM EDT | Flash Flood Warning | JKL | Breathitt, Magoffin | 4 hr |
| Jul 30, 1:05 AM EDT | Special Weather Statement | JKL | Breathitt, Knott | 40 min |
| Jul 30, 1:26 AM EDT | Special Weather Statement | JKL | Leslie, Perry | 49 min |
| Jul 30, 1:30 AM EDT | Severe Thunderstorm Warning | JKL | Leslie, Perry | 45 min |
| Jul 30, 1:33 AM EDT | Flash Flood Warning | JKL | Breathitt, Estill, Lee, Montgomery, Owsley, Perry and 2 more | 4 hr |
| Jul 30, 1:37 AM EDT | Special Weather Statement | JKL | Montgomery, Powell | 53 min |
| Jul 30, 1:55 AM EDT | Flash Flood Warning | JKL | Leslie, Perry | 4 hr |
| Jul 30, 2:06 AM EDT | Special Weather Statement | JKL | Harlan | 39 min |
| Jul 30, 2:08 AM EDT | Special Weather Statement | JKL | Estill, Jackson | 52 min |
| Jul 30, 2:23 AM EDT | Special Weather Statement | JKL | Bell, Clay | 52 min |
| Jul 30, 2:35 AM EDT | Flash Flood Warning | JKL | Clay, Estill, Jackson, Lee, Leslie, Owsley | 4 hr |
| Jul 30, 2:41 AM EDT | Special Weather Statement | JKL | Jackson, Laurel, Rockcastle | 49 min |
| Jul 30, 3:04 AM EDT | Special Weather Statement | JKL | Bell, Clay, Knox | 41 min |
| Jul 30, 3:12 AM EDT | Special Weather Statement | JKL | Pulaski, Rockcastle | 48 min |
| Jul 30, 3:23 AM EDT | Areal Flood Advisory | JKL | Clay, Jackson, Laurel, Rockcastle | 4 hr |
| Jul 30, 3:30 AM EDT | Areal Flood Warning | JKL | Bath, Fleming, Menifee, Morgan, Rowan | 6 hr |
| Jul 30, 3:32 AM EDT | Special Weather Statement | JKL | Knox, Laurel | 43 min |
| Jul 30, 3:56 AM EDT | Special Weather Statement | JKL | Laurel, McCreary, Pulaski, Whitley | 64 min |
| Jul 30, 4:03 AM EDT | Areal Flood Advisory | JKL | Laurel, Pulaski | 4 hr |
| Jul 30, 4:16 AM EDT | Tornado Warning | JKL | McCreary, Whitley | 29 min |
| Jul 30, 4:18 AM EDT | Flash Flood Warning | JKL | Knox, Laurel, Pulaski, Rockcastle, Whitley | 4 hr |
| Jul 30, 4:21 AM EDT | Areal Flood Warning | JKL | Bath, Magoffin, Menifee, Montgomery, Morgan, Wolfe | 3 hr |
| Jul 30, 4:44 AM EDT | Special Weather Statement | JKL | McCreary, Pulaski, Wayne, Whitley | 61 min |
| Jul 30, 4:54 AM EDT | Areal Flood Advisory | JKL | McCreary, Wayne, Whitley | 3 hr |
| Jul 30, 4:54 AM EDT | Severe Thunderstorm Warning | JKL | Bell, McCreary, Whitley | 51 min |
| Jul 30, 5:16 AM EDT | Areal Flood Warning | JKL | Breathitt, Estill, Lee, Montgomery, Owsley, Powell and 1 more | 4 hr |
| Jul 30, 5:22 AM EDT | Special Weather Statement | JKL | McCreary, Wayne | 38 min |
| Jul 30, 6:35 AM EDT | River Flood Advisory | JKL | Estill, Powell | 24 hr |
| Jul 30, 7:14 AM EDT | Areal Flood Warning | JKL | Bath, Menifee, Montgomery, Morgan, Wolfe | 4 hr |
| Jul 30, 7:58 AM EDT | Areal Flood Warning | JKL | Knox, Laurel, Pulaski, Rockcastle, Whitley | 86 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.