Alert archive / Kentucky / Tornado Warnings in 2017

Tornado Warning 22, NWS Louisville, KY

April 5, 2017Clark County, Madison County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 5, 2017, 8:15 PM EDT for Clark County, Madison County, Kentucky. It was in force for 30 min. 6 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
Apr 5, 2017, 8:15 PM EDT (00:15 UTC)
Expired
Apr 5, 2017, 8:45 PM EDT
In force
30 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Clark County, KY, Madison County, KY

The radar

The Jackson,KY radar (KJKL), 76 km from the middle of the area, began a volume at 00:17 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.

What was reported inside it

TimeReportWhereRemark
Apr 5, 8:17 PM EDTTSTM WND DMGWinchester, KYPOWER LINES DOWN. TREE ON A HOUSE.
Apr 5, 8:20 PM EDTHAIL 1Winchester, KYTWITTER REPORT (WITH PICTURE) OF DIME, NICKLE, AND QUARTER SIZED HAIL. TIME APPROXIMATED FROM RADAR AND OBSERVER'S ESTIMATE.
Apr 5, 8:22 PM EDTTSTM WND DMG4 Se Redhouse, KYTREES DOWN AT SEVERAL LOCATIONS ON UNION CITY ROAD, INCLUDING ONE OLDER TREE ON THE ROOF OF A SHED. MINOR SIDING AND ROOF DAMAGE ON DIAMOND BROOK DRIVE.
Apr 5, 8:22 PM EDTTSTM WND GST 804 Se Redhouse, KYMANY SHINGLES OFF A ROOF AND GARAGE DOOR CAVED IN ON DIAMOND BROOK DRIVE.
Apr 5, 8:22 PM EDTHAIL 0.752 Ssw Winchester, KYDIME TO PENNY SIZE HAIL.
Apr 5, 8:38 PM EDTHAIL 0.75Winchester, KY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 5, 2:50 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.3 hours before the alert went out and 174 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 2017-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2017-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
2 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
1464 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WFUS53 KLMK 060015
TORLMK
KYC049-151-060045-
/O.NEW.KLMK.TO.W.0022.170406T0015Z-170406T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
815 PM EDT WED APR 5 2017

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Clark County in central Kentucky...
  Northeastern Madison County in central Kentucky...

* Until 845 PM EDT
    
* At 815 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Winchester, moving northeast at 40 mph.

  HAZARD...Tornado and golf ball size hail. 

  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...
  Richmond, Winchester, Harris Ferry, Goffs Corner, Constant Station,
  Vianna, Renick, Lyndale, Redhouse and Jackson Ferry.

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 3792 8399 3790 8399 3786 8401 3787 8403
      3784 8400 3783 8404 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8412 3782 8410
      3781 8408 3778 8411 3774 8438 3801 8430
      3802 8428 3806 8429 3811 8408 3794 8397
TIME...MOT...LOC 0015Z 230DEG 35KT 3794 8424 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

MJ
3 follow-up statements
454 
WWUS53 KLMK 060027
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
827 PM EDT WED APR 5 2017

KYC049-151-060045-
/O.CON.KLMK.TO.W.0022.000000T0000Z-170406T0045Z/
Clark KY-Madison KY-
827 PM EDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR CLARK AND
NORTHEASTERN MADISON COUNTIES...

At 826 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near 
Winchester, moving northeast at 40 mph.  Winds in excess of 70 MPH 
will be possible across all of Clark county and northern Madison 
county.

HAZARD...Tornado and quarter size hail. 

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...
Winchester, Harris Ferry, Goffs Corner, Constant Station, Vianna,
Lyndale, Jackson Ferry, Mina, Hunt and Flanagan.

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 3792 8399 3790 8399 3786 8401 3787 8403
      3784 8400 3783 8404 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8412 3782 8410
      3781 8408 3778 8411 3776 8426 3801 8422
      3808 8420 3811 8408 3794 8397
TIME...MOT...LOC 0026Z 230DEG 35KT 3801 8413 

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

$$

MJ
893 
WWUS53 KLMK 060033
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
833 PM EDT WED APR 5 2017

KYC049-151-060045-
/O.CON.KLMK.TO.W.0022.000000T0000Z-170406T0045Z/
Clark KY-Madison KY-
833 PM EDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR EASTERN
CLARK AND NORTHEASTERN MADISON COUNTIES...

At 833 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Grassy Lick, moving northeast at 40 mph.

HAZARD...Tornado and quarter size hail. 

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...
Harris Ferry, Goffs Corner, Rightangle, Vianna, Mina, Agawam,
Ruckerville, Thomson, College Hill and Cotton Branch.

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 3792 8399 3790 8399 3786 8401 3787 8403
      3784 8400 3783 8404 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8412 3782 8410
      3781 8408 3778 8411 3778 8416 3798 8413
      3808 8412 3811 8408 3794 8397
TIME...MOT...LOC 0033Z 230DEG 35KT 3806 8406 

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

$$

MJ
007 
WWUS53 KLMK 060040
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
840 PM EDT WED APR 5 2017

KYC049-151-060050-
/O.EXP.KLMK.TO.W.0022.000000T0000Z-170406T0045Z/
Clark KY-Madison KY-
840 PM EDT WED APR 5 2017

...THE TORNADO WARNING FOR EASTERN CLARK AND NORTHEASTERN MADISON
COUNTIES WILL EXPIRE AT 845 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and have exited the warned area. Therefore the warning will
be allowed to expire.

A tornado watch remains in effect until 1000 PM EDT for central
Kentucky.

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 3792 8399 3790 8399 3786 8401 3787 8403
      3784 8400 3783 8404 3785 8406 3782 8407
      3785 8408 3782 8412 3781 8412 3782 8410
      3781 8408 3778 8411 3778 8416 3798 8413
      3808 8412 3811 8408 3794 8397
TIME...MOT...LOC 0040Z 230DEG 35KT 3810 8399 

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 8:00 PM EDTSevere Thunderstorm WarningLMKAdair, Casey, Garrard, Lincoln, Russell45 min
Apr 5, 8:01 PM EDTTornado WarningLMKClark, Fayette, Jessamine, Madison14 min
Apr 5, 8:07 PM EDTSevere Thunderstorm WarningLMKClark, Madison23 min
Apr 5, 8:21 PM EDTSevere Thunderstorm WarningLMKMadison39 min
Apr 5, 8:45 PM EDTSpecial Weather StatementLMKLincoln15 min
Apr 5, 8:48 PM EDTSpecial Weather StatementLMKAdair, Casey, Cumberland27 min
Apr 5, 9:03 PM EDTSpecial Weather StatementLMKMadison27 min
Apr 6, 3:31 AM EDTWind AdvisoryLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more18 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.