Alert archive / Kentucky / Tornado Warnings in 2018

Tornado Warning 2, NWS Louisville, KY

February 24, 2018Logan County, Simpson County, Warren County, Kentucky

NWS Louisville, KY issued this tornado warning at Feb 24, 2018, 4:20 PM CST for Logan County, Simpson County, Warren County, Kentucky. It was in force for 25 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
Feb 24, 2018, 4:20 PM CST (22:20 UTC)
Expired
Feb 24, 2018, 4:45 PM CST
In force
25 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Logan County, KY, Simpson County, KY, Warren County, KY

The radar

The Ft Campbell radar (KHPX), 60 km from the middle of the area, began a volume at 22:24 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 12:00Z, 10.3 hours before the alert went out and 77 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2018-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2018-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 387 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
73 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
483 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
387 m²/s²
0-3 km storm-relative helicity
414 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

765 
WFUS53 KLMK 242220
TORLMK
KYC141-213-227-242245-
/O.NEW.KLMK.TO.W.0002.180224T2220Z-180224T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
420 PM CST SAT FEB 24 2018

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Southeastern Logan County in south central Kentucky...
  Northern Simpson County in south central Kentucky...
  Southwestern Warren County in south central Kentucky...

* Until 445 PM CST

* At 420 PM CST, a severe thunderstorm capable of producing a tornado
  was located 9 miles southeast of Russellville, moving northeast at
  50 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Weather spotters reported funnel cloud. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Bowling Green, Crestmoor, Memphis Junction, Mount Victor, Woodburn,
  Rockfield, Rich Pond, South Union, Matlock and Alvaton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3673 8676 3677 8683 3704 8640 3685 8634
TIME...MOT...LOC 2220Z 243DEG 43KT 3677 8675 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

SCHOETTMER
2 follow-up statements
396 
WWUS53 KLMK 242232
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
432 PM CST SAT FEB 24 2018

KYC141-242241-
/O.CAN.KLMK.TO.W.0002.000000T0000Z-180224T2245Z/
Logan KY-
432 PM CST SAT FEB 24 2018

...THE TORNADO WARNING FOR SOUTHEASTERN LOGAN COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3677 8662 3684 8666 3704 8640 3685 8634
TIME...MOT...LOC 2231Z 243DEG 43KT 3684 8658 

$$

KYC213-227-242245-
/O.CON.KLMK.TO.W.0002.000000T0000Z-180224T2245Z/
Simpson KY-Warren KY-
432 PM CST SAT FEB 24 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR
NORTHEASTERN SIMPSON AND SOUTHWESTERN WARREN COUNTIES...
        
At 431 PM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Memphis Junction, moving northeast
at 50 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Weather spotters reported a funnel cloud. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Bowling Green, Memphis Junction, Mount Victor, Crestmoor, Woodburn,
Matlock, Alvaton, Rockfield, Rich Pond and Drake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3677 8662 3684 8666 3704 8640 3685 8634
TIME...MOT...LOC 2231Z 243DEG 43KT 3684 8658 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

SCHOETTMER
710 
WWUS53 KLMK 242246
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
446 PM CST SAT FEB 24 2018

KYC213-227-242255-
/O.EXP.KLMK.TO.W.0002.000000T0000Z-180224T2245Z/
Simpson KY-Warren KY-
446 PM CST SAT FEB 24 2018

...THE TORNADO WARNING FOR NORTHEASTERN SIMPSON AND SOUTHWESTERN
WARREN COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been allowed to expire.

Report severe weather to local law enforcement, post your report to
the National Weather Service Louisville Facebook page, or tweet your
report using hashtag L, M, K, spotter.

LAT...LON 3677 8662 3684 8666 3704 8640 3685 8634
TIME...MOT...LOC 2245Z 243DEG 43KT 3690 8643 

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 8:54 PM CSTAreal Flood WarningLMKButler, Edmonson, Grayson, Logan, Warren6 hr
Feb 23, 11:57 PM CSTRiver Flood WarningLMKBullitt3 days
Feb 24, 8:26 AM CSTRiver Flood WarningLMKBourbon37 hr
Feb 24, 2:57 PM CSTRiver Flood AdvisoryLMKHart36 hr
Feb 24, 2:57 PM CSTSpecial Weather StatementLMKButler33 min
Feb 24, 3:29 PM CSTSpecial Weather StatementLMKGrayson31 min
Feb 24, 3:46 PM CSTSpecial Weather StatementLMKLogan29 min
Feb 24, 3:58 PM CSTSevere Thunderstorm WarningLMKLogan, Simpson32 min
Feb 24, 4:06 PM CSTTornado WarningLMKLogan, Simpson24 min
Feb 24, 5:06 PM CSTAreal Flood WarningLMKMeade12 hr
Feb 24, 5:15 PM CSTFlash Flood WarningLMKBullitt, Jefferson4 hr
Feb 24, 5:47 PM CSTFlash Flood WarningLMKHenry, Oldham, Trimble4 hr

Nearby

Tornado Warnings in Kentucky, 2018Every tornado warning in 2018Tornadoes in 2018

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.