Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Mar 18, 2021, 1:27 PM EDT for Boyd County, Carter County, Greenup County, Kentucky. It was in force for 33 min. 2 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
- Mar 18, 2021, 1:27 PM EDT (17:27 UTC)
- Expired
- Mar 18, 2021, 2:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Boyd County, KY, Carter County, KY, Greenup County, KY
The radar
The Jackson,KY radar (KJKL), 76 km from the middle of the area, began a volume at 17:29 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 |
|---|---|---|---|
| Mar 18, 1:45 PM EDT | HAIL 0.7 | Grayson Lake State Park, KY | STRONG WINDS ALSO OBSERVED BUT NO DAMAGE OBSERVED. TIME ESTIMATED FROM RADAR. |
| Mar 18, 1:55 PM EDT | TSTM WND DMG | 6 Ene Grayson Lake Stat, KY | SEVERAL LARGE LIMBS AND A SMALL TREE DOWN ALONG NEW CASTLE LN. ESTIMATED DIME SIZE HAIL OBSERVED AS WELL. 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.5 hours before the alert went out and 145 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
434
WUUS51 KRLX 181727
SVRRLX
KYC019-043-089-181800-
/O.NEW.KRLX.SV.W.0001.210318T1727Z-210318T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston WV
127 PM EDT Thu Mar 18 2021
The National Weather Service in Charleston West Virginia has issued a
* Severe Thunderstorm Warning for...
Southwestern Boyd County in northeastern Kentucky...
South central Greenup County in northeastern Kentucky...
Carter County in northeastern Kentucky...
* Until 200 PM EDT.
* At 126 PM EDT, a severe thunderstorm was located over Fannin
Valley, or near Sandy Hook, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Grayson, Olive Hill, Grayson Lake State Park, Denton, Grahn,
Hopewell, Willard and Hitchins.
This includes Interstate 64 in Kentucky between mile markers 159 and
177.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Please report severe weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.
You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3848 8297 3828 8272 3817 8296 3820 8301
3820 8304 3818 8305 3823 8309 3824 8313
3827 8317 3824 8322 3819 8323 3819 8326
3821 8329 3822 8329
TIME...MOT...LOC 1726Z 236DEG 35KT 3814 8320
HAIL...1.00IN
WIND...60MPH
$$
JP2 follow-up statements
620
WWUS51 KRLX 181746
SVSRLX
Severe Weather Statement
National Weather Service Charleston WV
146 PM EDT Thu Mar 18 2021
KYC019-043-089-181800-
/O.CON.KRLX.SV.W.0001.000000T0000Z-210318T1800Z/
Boyd KY-Greenup KY-Carter KY-
146 PM EDT Thu Mar 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR SOUTHWESTERN BOYD...SOUTH CENTRAL GREENUP AND CARTER COUNTIES...
At 146 PM EDT, a severe thunderstorm was located over Grayson Lake
State Park, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Grayson, Olive Hill, Grayson Lake State Park, Denton, Grahn,
Hopewell, Willard and Hitchins.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3848 8297 3828 8272 3817 8296 3820 8301
3820 8304 3818 8305 3823 8309 3824 8313
3827 8317 3829 8320
TIME...MOT...LOC 1746Z 236DEG 35KT 3825 8299
HAIL...1.00IN
WIND...60MPH
$$
JP082
WWUS51 KRLX 181801
SVSRLX
Severe Weather Statement
National Weather Service Charleston WV
201 PM EDT Thu Mar 18 2021
KYC019-043-089-181811-
/O.EXP.KRLX.SV.W.0001.000000T0000Z-210318T1800Z/
Boyd KY-Greenup KY-Carter KY-
201 PM EDT Thu Mar 18 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BOYD...SOUTH
CENTRAL GREENUP AND CARTER COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
LAT...LON 3848 8297 3828 8272 3817 8296 3820 8301
3820 8304 3818 8305 3823 8309 3824 8313
3827 8317 3829 8320
TIME...MOT...LOC 1801Z 236DEG 35KT 3832 8286
$$
JPThe office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 2:00 PM EDT | Severe Thunderstorm Warning | RLX | Boyd, Carter, Greenup | 30 min |
| Mar 18, 3:11 PM EDT | Severe Thunderstorm Warning | RLX | Lawrence | 34 min |
| Mar 18, 7:22 PM EDT | Special Weather Statement | RLX | Lawrence | 23 min |
| Mar 18, 7:54 PM EDT | Special Weather Statement | RLX | Lawrence | 36 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.