Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 340, NWS Louisville, KY

July 8, 2012Bourbon County, Harrison County, Nicholas County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 8, 2012, 4:08 PM EDT for Bourbon County, Harrison County, Nicholas County, Kentucky. It was in force for 17 min. 1 report 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: Jul 8, 2012, 4:08 PM EDT (20:08 UTC)
Expired: Jul 8, 2012, 4:25 PM EDT
In force: 17 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Bourbon County, KY, Harrison County, KY, Nicholas County, KY

The radar

The Jackson,KY radar (KJKL), 105 km from the middle of the area, began a volume at 20:08 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
Jul 8, 4:10 PM EDT	TSTM WND DMG	Carlisle, KY	TWO TREES DOWN.

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
Jul 8, 2:48 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 119 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: 2132 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

808 
WUUS53 KLMK 082008
SVRLMK
KYC017-097-181-082040-
/O.NEW.KLMK.SV.W.0340.120708T2008Z-120708T2040Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
408 PM EDT SUN JUL 8 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BOURBON COUNTY IN EAST CENTRAL KENTUCKY...
  EASTERN HARRISON COUNTY IN EAST CENTRAL KENTUCKY...
  NICHOLAS COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 440 PM EDT

* AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR ELLISVILLE...MOVING EAST AT
  15 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  CARLISLE...
  MYERS...
  PLEASANT VALLEY...
  SPROUT...
  MILLTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A SUBSTANTIAL SHELTER. THIS STORM WILL PRODUCE A BURST
OF DAMAGING WINDS...LARGE HAIL...TORRENTIAL RAINS...AND FREQUENT
LIGHTNING. MINOR FLOODING IS POSSIBLE IN LOW SPOTS.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

&&

LAT...LON 3829 8384 3822 8394 3816 8423 3846 8430
      3849 8417 3848 8411 3846 8410 3844 8400
      3844 8397 3842 8394 3837 8391 3837 8388
      3833 8384 3831 8383
TIME...MOT...LOC 2008Z 267DEG 12KT 3838 8399
WIND...HAIL 60MPH 0.88IN

$$

MP

1 follow-up statement

369 
WWUS53 KLMK 082025
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
425 PM EDT SUN JUL 8 2012

KYC017-097-181-082034-
/O.CAN.KLMK.SV.W.0340.000000T0000Z-120708T2040Z/
NICHOLAS KY-BOURBON KY-HARRISON KY-
425 PM EDT SUN JUL 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HARRISON...
NORTHEASTERN BOURBON AND NICHOLAS COUNTIES IS CANCELLED...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE CAPABLE 
OF PRODUCING PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING...AND GUSTY 
WINDS UP TO 50 MPH. ADDITIONAL SEVERE THUNDERSTORM DEVELOPMENT 
REMAINS POSSIBLE. STAY ALERT FOR RAPIDLY CHANGING CONDITIONS.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

LAT...LON 3829 8384 3822 8394 3816 8423 3846 8430
      3849 8417 3848 8411 3846 8410 3844 8400
      3844 8397 3842 8394 3837 8391 3837 8388
      3833 8384 3831 8383
TIME...MOT...LOC 2024Z 267DEG 12KT 3838 8392

$$

MP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 2:54 AM EDT	Areal Flood Advisory	LMK	Bourbon, Clark, Fayette, Scott	3 hr
Jul 8, 1:43 PM EDT	Special Weather Statement	LMK	Jefferson	42 min
Jul 8, 2:31 PM EDT	Special Weather Statement	LMK	Bullitt	29 min
Jul 8, 2:42 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Spencer	28 min
Jul 8, 3:01 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson	29 min
Jul 8, 3:18 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hardin, Meade	32 min
Jul 8, 3:24 PM EDT	Special Weather Statement	LMK	Spencer	31 min
Jul 8, 3:30 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson	40 min
Jul 8, 3:36 PM EDT	Special Weather Statement	LMK	Trimble	24 min
Jul 8, 3:41 PM EDT	Special Weather Statement	LMK	Nicholas	44 min
Jul 8, 4:01 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	29 min
Jul 8, 4:06 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Marion, Mercer, Nelson, Washington	26 min
Jul 8, 4:09 PM EDT	Special Weather Statement	LMK	Bullitt	31 min
Jul 8, 4:42 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Meade	2 hr
Jul 8, 4:44 PM EDT	Special Weather Statement	LMK	Bourbon, Fayette, Woodford	26 min
Jul 8, 4:58 PM EDT	Special Weather Statement	LMK	Harrison	47 min
Jul 8, 5:06 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	29 min
Jul 8, 5:21 PM EDT	Special Weather Statement	LMK	Hardin	29 min
Jul 8, 5:22 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Madison	28 min
Jul 8, 5:25 PM EDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin	15 min
Jul 8, 5:32 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Harrison, Scott	43 min
Jul 8, 5:44 PM EDT	Special Weather Statement	LMK	Grayson	31 min
Jul 8, 5:48 PM EDT	Severe Thunderstorm Warning	LMK	Madison	32 min
Jul 8, 5:51 PM EDT	Special Weather Statement	LMK	Harrison, Scott	44 min
Jul 8, 5:53 PM EDT	Areal Flood Advisory	LMK	Bourbon, Clark, Fayette, Harrison, Scott	3 hr
Jul 8, 5:57 PM EDT	Severe Thunderstorm Warning	LMK	Fayette, Harrison, Scott	28 min
Jul 8, 5:58 PM EDT	Special Weather Statement	LMK	Ohio	32 min
Jul 8, 5:59 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Nicholas	46 min
Jul 8, 6:09 PM EDT	Flash Flood Warning	LMK	Bourbon, Clark, Fayette, Harrison, Nicholas, Scott	95 min
Jul 8, 6:20 PM EDT	Special Weather Statement	LMK	Butler	30 min
Jul 8, 6:32 PM EDT	Areal Flood Advisory	LMK	Clark, Fayette	2 hr
Jul 8, 7:17 PM EDT	Special Weather Statement	LMK	Cumberland	28 min
Jul 8, 7:36 PM EDT	Severe Thunderstorm Warning	LMK	Cumberland	21 min
Jul 8, 7:39 PM EDT	Special Weather Statement	LMK	Logan	31 min
Jul 8, 7:53 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Monroe	32 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2012 Every severe thunderstorm warning in 2012

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.