Alert archive / Kentucky / Tornado Warnings in 2017

Tornado Warning 25, NWS Louisville, KY

May 19, 2017Harrison County, Scott County, Kentucky

NWS Louisville, KY issued this tornado warning at May 19, 2017, 6:16 PM EDT for Harrison County, Scott County, Kentucky. It was in force for 14 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 19, 2017, 6:16 PM EDT (22:16 UTC)
Expired
May 19, 2017, 6:30 PM EDT
In force
14 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Harrison County, KY, Scott County, KY

The radar

The Cincinnati radar (KILN), 119 km from the middle of the area, began a volume at 22:17 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.3 hours before the alert went out and 121 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 12:00Z on 2017-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 387 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, Cncnati-Daytn, OH at 12:00Z on 2017-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939Sfc1 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
387 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1118 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

396 
WFUS53 KLMK 192216
TORLMK
KYC097-209-192230-
/O.NEW.KLMK.TO.W.0025.170519T2216Z-170519T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
616 PM EDT FRI MAY 19 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Northeastern Scott County in central Kentucky...
  Northwestern Harrison County in central Kentucky...

* Until 630 PM EDT
    
* At 616 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 11 miles south of Williamstown, moving east at 30 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  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...
  Stonewall, Alberta, Hinton and Rutland. 

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 3853 8442 3838 8444 3843 8462 3849 8456
      3851 8452 3851 8449 3852 8448
TIME...MOT...LOC 2216Z 280DEG 26KT 3848 8461 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SCHOETTMER
1 follow-up statement
016 
WWUS53 KLMK 192229
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
629 PM EDT FRI MAY 19 2017

KYC097-209-192238-
/O.EXP.KLMK.TO.W.0025.000000T0000Z-170519T2230Z/
Scott KY-Harrison KY-
629 PM EDT FRI MAY 19 2017

...THE TORNADO WARNING FOR NORTHEASTERN SCOTT AND NORTHWESTERN
HARRISON COUNTIES WILL EXPIRE AT 630 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

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 3853 8442 3838 8444 3843 8462 3849 8456
      3851 8452 3851 8449 3852 8448
TIME...MOT...LOC 2228Z 280DEG 26KT 3846 8450 

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 6:31 AM EDTSpecial Weather StatementLMKAllen, Barren, Monroe, Simpson, Warren29 min
May 19, 6:40 AM EDTSevere Thunderstorm WarningLMKAllen, Barren, Monroe22 min
May 19, 6:54 AM EDTSpecial Weather StatementLMKAdair, Casey, Russell36 min
May 19, 7:04 AM EDTSpecial Weather StatementLMKAllen, Barren, Edmonson, Metcalfe, Monroe, Warren26 min
May 19, 7:31 AM EDTAreal Flood AdvisoryLMKAdair, Allen, Barren, Casey, Clinton, Cumberland and 6 more119 min
May 19, 7:33 AM EDTSpecial Weather StatementLMKAdair, Green, Metcalfe, Taylor42 min
May 19, 8:08 AM EDTFlash Flood WarningLMKAllen, Barren, Monroe3 hr
May 19, 8:15 AM EDTSpecial Weather StatementLMKCasey, Russell, Taylor45 min
May 19, 8:45 AM EDTAreal Flood AdvisoryLMKAllen, Barren, Logan, Simpson, Warren3 hr
May 19, 8:49 AM EDTSpecial Weather StatementLMKSimpson26 min
May 19, 10:22 AM EDTFlash Flood WarningLMKAdair, Casey, Cumberland, Russell3 hr
May 19, 2:17 PM EDTSevere Thunderstorm WarningLMKMeade28 min
May 19, 2:28 PM EDTSpecial Weather StatementLMKWarren32 min
May 19, 2:37 PM EDTSevere Thunderstorm WarningLMKEdmonson, Warren23 min
May 19, 3:39 PM EDTSpecial Weather StatementLMKWarren36 min
May 19, 4:14 PM EDTSpecial Weather StatementLMKBreckinridge31 min
May 19, 4:28 PM EDTSpecial Weather StatementLMKMeade32 min
May 19, 4:32 PM EDTSpecial Weather StatementLMKOhio43 min
May 19, 4:51 PM EDTSpecial Weather StatementLMKBreckinridge24 min
May 19, 4:57 PM EDTSevere Thunderstorm WarningLMKOhio33 min
May 19, 5:28 PM EDTAreal Flood AdvisoryLMKHenry, Oldham, Trimble2 hr
May 19, 5:39 PM EDTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby36 min
May 19, 5:42 PM EDTSpecial Weather StatementLMKBreckinridge, Meade33 min
May 19, 6:50 PM EDTSpecial Weather StatementLMKHarrison25 min

Nearby

Tornado Warnings in Kentucky, 2017Every tornado warning in 2017Tornadoes in 2017

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.