Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 13, NWS Louisville, KY

February 24, 201810 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Feb 24, 2018, 11:24 PM EST for 10 counties in Kentucky. It was in force for 51 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, 11:24 PM EST (04:24 UTC)
Expired
Feb 25, 2018, 12:15 AM EST
In force
51 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Anderson County, KY, Franklin County, KY, Henry County, KY, Mercer County, KY, Nelson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 94 km from the middle of the area, began a volume at 04:23 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 9:29 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.4 hours before the alert went out and 165 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, Cncnati-Daytn, OH at 00:00Z on 2018-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2018-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

617 
WUUS53 KLMK 250424
SVRLMK
KYC005-073-103-167-179-209-211-215-229-239-250515-
/O.NEW.KLMK.SV.W.0013.180225T0424Z-180225T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
1124 PM EST SAT FEB 24 2018

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Eastern Spencer County in central Kentucky...
  Eastern Shelby County in central Kentucky...
  Northeastern Nelson County in central Kentucky...
  Northwestern Mercer County in central Kentucky...
  Northwestern Woodford County in central Kentucky...
  Southwestern Scott County in central Kentucky...
  Anderson County in central Kentucky...
  Southeastern Henry County in central Kentucky...
  Northeastern Washington County in central Kentucky...
  Franklin County in central Kentucky...

* Until 1215 AM EST

* At 1123 PM EST, severe thunderstorms were located along a line
  extending from 6 miles southeast of New Castle to 8 miles north of
  Bardstown, moving east at 40 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Frankfort, Shelbyville, Lawrenceburg, Taylorsville, Ballard,
  Bloomfield, Stamping Ground, Slickway, Wayside and Dugansville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rain also is occuring with this line of storms.

&&

LAT...LON 3836 8484 3834 8479 3835 8475 3833 8454
      3784 8498 3787 8550 3838 8507
TIME...MOT...LOC 0423Z 276DEG 35KT 3837 8508 3793 8551 

HAIL...<.75IN
WIND...60MPH
 
$$

TWF
1 follow-up statement
624 
WWUS53 KLMK 250504
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
1204 AM EST SUN FEB 25 2018

KYC103-211-215-250513-
/O.CAN.KLMK.SV.W.0013.000000T0000Z-180225T0515Z/
Spencer KY-Shelby KY-Henry KY-
1204 AM EST SUN FEB 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SPENCER...EASTERN
SHELBY AND SOUTHEASTERN HENRY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled. No severe weather 
reports have been received at this time.

LAT...LON 3784 8498 3786 8530 3800 8515 3800 8513
      3802 8513 3805 8508 3808 8505 3835 8475
      3833 8454
TIME...MOT...LOC 0503Z 275DEG 34KT 3833 8461 3788 8513 

$$

KYC005-073-167-179-209-229-239-250515-
/O.CON.KLMK.SV.W.0013.000000T0000Z-180225T0515Z/
Nelson KY-Mercer KY-Woodford KY-Scott KY-Anderson KY-Washington KY-
Franklin KY-
1204 AM EST SUN FEB 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EST
FOR NORTHEASTERN NELSON...NORTHWESTERN MERCER...NORTHWESTERN
WOODFORD...SOUTHWESTERN SCOTT...ANDERSON...NORTHEASTERN WASHINGTON
AND CENTRAL FRANKLIN COUNTIES...

At 1203 AM EST, severe thunderstorms were located along a line
extending from 9 miles north of Georgetown to 14 miles north of
Springfield, moving east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Frankfort, Lawrenceburg, Ballard, Stamping Ground, Slickway, Wayside,
Dugansville, Anderson City, Glensboro and Farmdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3784 8498 3786 8530 3800 8515 3800 8513
      3802 8513 3805 8508 3808 8505 3835 8475
      3833 8454
TIME...MOT...LOC 0503Z 275DEG 34KT 3833 8461 3788 8513 

HAIL...<.75IN
WIND...60MPH
 
$$

TWF

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:01 PM ESTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby29 min
Feb 24, 7:03 PM ESTSevere Thunderstorm WarningLMKGreen, Hart, Larue, Marion, Taylor27 min
Feb 24, 7:29 PM ESTSpecial Weather StatementLMKLarue31 min
Feb 24, 8:35 PM ESTFlash Flood WarningLMKMeade5 hr
Feb 24, 9:32 PM ESTFlash Flood WarningLMKBreckinridge, Grayson, Hancock, Ohio4 hr
Feb 24, 9:32 PM ESTSpecial Weather StatementLMKOldham, Trimble28 min
Feb 24, 9:34 PM ESTSpecial Weather StatementLMKBreckinridge, Hancock41 min
Feb 24, 9:37 PM ESTRiver Flood WarningLMKHart45 hr
Feb 24, 9:45 PM ESTFlash Flood Warning EmergencyLMKBullitt, Hardin, Jefferson, Oldham3 hr
Feb 24, 10:05 PM ESTSevere Thunderstorm WarningLMKButler, Logan, Simpson, Warren40 min
Feb 24, 10:14 PM ESTTornado WarningLMKButler, Logan, Warren31 min
Feb 24, 10:21 PM ESTSpecial Weather StatementLMKBreckinridge, Meade24 min
Feb 24, 10:26 PM ESTSevere Thunderstorm WarningLMKBreckinridge, Jefferson, Meade34 min
Feb 24, 10:28 PM ESTTornado WarningLMKButler, Logan, Warren32 min
Feb 24, 10:44 PM ESTSevere Thunderstorm WarningLMKAllen, Simpson46 min
Feb 24, 10:44 PM ESTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Meade, Nelson, Shelby and 1 more46 min
Feb 24, 10:51 PM ESTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Metcalfe, Warren39 min
Feb 24, 10:59 PM ESTFlash Flood WarningLMKFranklin, Henry, Oldham, Shelby, Trimble3 hr
Feb 24, 11:03 PM ESTFlash Flood WarningLMKBullitt, Hardin, Larue, Nelson, Spencer3 hr
Feb 24, 11:15 PM ESTSevere Thunderstorm WarningLMKAllen, Barren, Cumberland, Metcalfe, Monroe45 min
Feb 24, 11:27 PM ESTSevere Thunderstorm WarningLMKAdair, Green, Hart, Metcalfe, Taylor48 min
Feb 24, 11:56 PM ESTSpecial Weather StatementLMKAdair19 min
Feb 25, 12:00 AM ESTSevere Thunderstorm WarningLMKAdair, Cumberland, Metcalfe, Russell45 min
Feb 25, 12:02 AM ESTSpecial Weather StatementLMKClinton, Cumberland28 min
Feb 25, 12:10 AM ESTSpecial Weather StatementLMKCasey35 min
Feb 25, 12:13 AM ESTSpecial Weather StatementLMKFayette, Harrison, Woodford47 min
Feb 25, 12:16 AM ESTFlash Flood WarningLMKAnderson, Bourbon, Fayette, Franklin, Garrard, Harrison and 5 more3 hr
Feb 25, 12:21 AM ESTSevere Thunderstorm WarningLMKCasey, Lincoln, Russell24 min
Feb 25, 12:31 AM ESTSpecial Weather StatementLMKClinton29 min
Feb 25, 12:47 AM ESTAreal Flood WarningLMKBullitt, Jefferson, Oldham, Spencer18 hr
Feb 25, 12:52 AM ESTAreal Flood WarningLMKBreckinridge, Grayson, Hancock, Ohio6 hr
Feb 25, 1:01 AM ESTAreal Flood WarningLMKHenry, Oldham, Shelby, Trimble6 hr
Feb 25, 1:03 AM ESTSpecial Weather StatementLMKClark42 min
Feb 25, 1:04 AM ESTAreal Flood WarningLMKBullitt, Hardin, Larue, Nelson, Spencer6 hr
Feb 25, 2:21 AM ESTAreal Flood WarningLMKAnderson, Bourbon, Fayette, Franklin, Harrison, Henry and 6 more6 hr
Feb 25, 3:23 AM ESTAreal Flood WarningLMKAdair, Allen, Barren, Clinton, Cumberland, Logan and 5 more6 hr
Feb 25, 4:51 AM ESTAreal Flood WarningLMKBoyle, Casey, Clark, Garrard, Lincoln, Madison6 hr
Feb 25, 6:15 AM ESTAreal Flood WarningLMKMeade12 hr
Feb 25, 6:43 AM ESTAreal Flood WarningLMKBreckinridge, Hancock, Ohio12 hr
Feb 25, 6:58 AM ESTAreal Flood WarningLMKBullitt, Hardin, Nelson12 hr
Feb 25, 7:00 AM ESTAreal Flood WarningLMKHenry, Trimble12 hr
Feb 25, 5:39 PM ESTAreal Flood WarningLMKBreckinridge, Bullitt, Hancock, Hardin, Jefferson, Meade and 1 more24 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018Every severe thunderstorm warning 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.