Alert archive / Kentucky / Tornado Warnings in 2017

Tornado Warning 21, NWS Louisville, KY

April 5, 20174 counties in Kentucky

NWS Louisville, KY issued this tornado warning at Apr 5, 2017, 8:01 PM EDT for 4 counties in Kentucky. It was in force for 14 min. 11 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, 8:01 PM EDT (00:01 UTC)
Expired: Apr 5, 2017, 8:15 PM EDT
In force: 14 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Clark County, KY, Fayette County, KY, Jessamine County, KY, Madison County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 00:05 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
Apr 5, 8:04 PM EDT	HAIL 2	2 Ese Valley View, KY
Apr 5, 8:05 PM EDT	HAIL 0.25	7 Se Lexington, KY	REPORTED THROUGH MPING. TIME ESTIMATED BASED ON RADAR.
Apr 5, 8:05 PM EDT	HAIL 1	5 W Ford, KY	TWITTER REPORT AT EXIT 97 ON I-75 NORTH OF RICHMOND.
Apr 5, 8:05 PM EDT	HAIL 1	7 Se Lexington, KY	REPORTED THROUGH MPING. TIME ESTIMATED BASED ON RADAR.
Apr 5, 8:05 PM EDT	HAIL 1	7 Se Lexington, KY
Apr 5, 8:05 PM EDT	HAIL 1.75	6 Wnw Ford, KY	ALSO HAD A WINDOW PANE BLOWN OUT AND SOME SHINGLES DAMAGED.
Apr 5, 8:07 PM EDT	HAIL 1	3 Wnw Redhouse, KY	HAIL HALF INCH TO QUARTER SIZE.
Apr 5, 8:07 PM EDT	HAIL 1	7 Se Lexington, KY	REPORTED THROUGH MPING. TIME ESTIMATED BASED ON RADAR.
Apr 5, 8:17 PM EDT	TSTM WND DMG	Winchester, KY	POWER LINES DOWN. TREE ON A HOUSE.
Apr 5, 8:20 PM EDT	HAIL 1	Winchester, KY	TWITTER REPORT (WITH PICTURE) OF DIME, NICKLE, AND QUARTER SIZED HAIL. TIME APPROXIMATED FROM RADAR AND OBSERVER'S ESTIMATE.
Apr 5, 8:22 PM EDT	HAIL 0.75	2 Ssw Winchester, KY	DIME TO PENNY SIZE HAIL.

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.

Issued	Product	Office	Lasted
Apr 5, 2:50 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 172 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

993 
WFUS53 KLMK 060001
TORLMK
KYC049-067-113-151-060015-
/O.NEW.KLMK.TO.W.0021.170406T0001Z-170406T0015Z/

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

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  Southwestern Clark County in central Kentucky...
  East central Jessamine County in central Kentucky...
  Northern Madison County in central Kentucky...
  Southeastern Fayette County in central Kentucky...

* Until 815 PM EDT
    
* At 801 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles northwest of Richmond, 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...
  Richmond, Winchester, Constant Station, Lyndale, Redhouse, Valley
  View, Jackson Ferry, Logana, Tebbs and Judianne Estates.

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 3791 8404 3773 8439 3784 8452 3807 8429
      3807 8427
TIME...MOT...LOC 0001Z 230DEG 35KT 3783 8439 

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

$$

MJ

1 follow-up statement

476 
WWUS53 KLMK 060007
SVSLMK

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

KYC113-060017-
/O.CAN.KLMK.TO.W.0021.000000T0000Z-170406T0015Z/
Jessamine KY-
807 PM EDT WED APR 5 2017

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

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

LAT...LON 3777 8430 3790 8443 3807 8429 3807 8427
      3791 8404
TIME...MOT...LOC 0007Z 230DEG 35KT 3787 8433 

$$

KYC049-067-151-060015-
/O.CON.KLMK.TO.W.0021.000000T0000Z-170406T0015Z/
Clark KY-Madison KY-Fayette KY-
807 PM EDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN CLARK...NORTHEASTERN MADISON AND SOUTHEASTERN FAYETTE
COUNTIES...
    
At 807 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Richmond, moving northeast at 40 mph.

HAZARD...Tornado and ping pong 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, Constant Station, Lyndale, Redhouse, Jackson
Ferry, Tebbs, Judianne Estates, Locust Grove and Hunt.

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 3777 8430 3790 8443 3807 8429 3807 8427
      3791 8404
TIME...MOT...LOC 0007Z 230DEG 35KT 3787 8433 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 8:00 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Garrard, Lincoln, Russell	45 min
Apr 5, 8:07 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Madison	23 min
Apr 5, 8:15 PM EDT	Tornado Warning	LMK	Clark, Madison	30 min
Apr 5, 8:21 PM EDT	Severe Thunderstorm Warning	LMK	Madison	39 min
Apr 5, 8:45 PM EDT	Special Weather Statement	LMK	Lincoln	15 min
Apr 5, 8:48 PM EDT	Special Weather Statement	LMK	Adair, Casey, Cumberland	27 min
Apr 5, 9:03 PM EDT	Special Weather Statement	LMK	Madison	27 min
Apr 6, 3:31 AM EDT	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	18 hr

Nearby

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