Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 430, NWS Louisville, KY

July 24, 20124 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 24, 2012, 6:10 PM CDT for 4 counties in Kentucky. It was in force for 40 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: Jul 24, 2012, 6:10 PM CDT (23:10 UTC)
Expired: Jul 24, 2012, 6:50 PM CDT
In force: 40 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Green County, KY, Hardin County, KY, Hart County, KY, Larue County, KY

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 23:10 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.

Issued	Product	Office	Lasted
Jul 24, 5:20 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.2 hours before the alert went out and 155 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: 1324 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1062 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

387 
WUUS53 KLMK 242310
SVRLMK
KYC087-093-099-123-242350-
/O.NEW.KLMK.SV.W.0430.120724T2310Z-120724T2350Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
610 PM CDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HARDIN COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHWESTERN LARUE COUNTY IN NORTH CENTRAL KENTUCKY...
  WESTERN GREEN COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHEASTERN HART COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 650 PM CDT/750 PM EDT/

* AT 605 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR HIGH HICKORY...MOVING
  SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  MUNFORDVILLE...
  JONESVILLE AND PIKE VIEW...
  LINWOOD AND HINESDALE...
  RIO AND GLEN LILY...
  CANMER AND EVE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3727 8559 3724 8597 3750 8597 3752 8576
TIME...MOT...LOC 2311Z 337DEG 13KT 3740 8582
WIND...HAIL 60MPH <.50IN

$$

AMS

2 follow-up statements

875 
WWUS53 KLMK 242332
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
732 PM EDT TUE JUL 24 2012

KYC093-123-242341-
/O.CAN.KLMK.SV.W.0430.000000T0000Z-120724T2350Z/
LARUE KY-HARDIN KY-
732 PM EDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HARDIN AND
SOUTHWESTERN LARUE COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING MOVED SOUTH OUT OF THE AREA.

REPORT SEVERE WEATHER TO LOCAL TELEVISION MEDIA OR POST YOUR REPORT 
TO THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE OR TWITTER.

LAT...LON 3724 8597 3739 8597 3744 8586 3744 8579
      3740 8568 3727 8559
TIME...MOT...LOC 2331Z 346DEG 18KT 3733 8579

$$

KYC087-099-242350-
/O.CON.KLMK.SV.W.0430.000000T0000Z-120724T2350Z/
GREEN KY-HART KY-
632 PM CDT TUE JUL 24 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 650 PM CDT
FOR NORTHEASTERN HART AND WESTERN GREEN COUNTIES...

AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LINWOOD...MOVING SOUTH
AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  MUNFORDVILLE...
  CANMER AND EVE...
  HARDYVILLE AND DEFRIES...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS AND LIGHTNING. PEOPLE 
OUTSIDE SHOULD IMMEDIATELY MOVE TO A SHELTER...PREFERABLY INSIDE A 
STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO TELEVISION MEDIA OR POST YOUR REPORT TO THE 
NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE OR TWITTER.

&&

LAT...LON 3724 8597 3739 8597 3744 8586 3744 8579
      3740 8568 3727 8559
TIME...MOT...LOC 2331Z 346DEG 18KT 3733 8579
WIND...HAIL 60MPH <.50IN

$$

13

740 
WWUS53 KLMK 242348
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
648 PM CDT TUE JUL 24 2012

KYC087-099-242358-
/O.EXP.KLMK.SV.W.0430.000000T0000Z-120724T2350Z/
GREEN KY-HART KY-
648 PM CDT TUE JUL 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HART AND WESTERN
GREEN COUNTIES WILL EXPIRE AT 650 PM CDT...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED SLIGHTLY AND ARE 
NO LONGER SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE 
ARE CAPABLE OF PRODUCING PERIODS OF HEAVY RAIN AND DANGEROUS 
LIGHTNING AS WELL AS GUSTY WINDS TO 50 MPH.

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

LAT...LON 3724 8597 3739 8597 3744 8586 3744 8579
      3740 8568 3727 8559
TIME...MOT...LOC 2348Z 346DEG 18KT 3725 8576

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 7:56 AM CDT	Special Weather Statement	LMK	Bourbon, Harrison, Nicholas	29 min
Jul 24, 8:35 AM CDT	Special Weather Statement	LMK	Nicholas	30 min
Jul 24, 12:05 PM CDT	Special Weather Statement	LMK	Bourbon, Fayette, Harrison, Nicholas, Scott	45 min
Jul 24, 2:46 PM CDT	Heat Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	29 hr
Jul 24, 2:58 PM CDT	Special Weather Statement	LMK	Boyle	32 min
Jul 24, 3:14 PM CDT	Special Weather Statement	LMK	Marion	31 min
Jul 24, 3:21 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Marion	29 min
Jul 24, 3:49 PM CDT	Special Weather Statement	LMK	Larue	31 min
Jul 24, 4:02 PM CDT	Severe Thunderstorm Warning	LMK	Larue, Marion, Nelson	33 min
Jul 24, 4:08 PM CDT	Areal Flood Advisory	LMK	Larue, Marion, Nelson	75 min
Jul 24, 4:16 PM CDT	Flash Flood Warning	LMK	Larue, Marion, Nelson	62 min
Jul 24, 4:35 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	45 min
Jul 24, 4:37 PM CDT	Special Weather Statement	LMK	Taylor	43 min
Jul 24, 4:46 PM CDT	Special Weather Statement	LMK	Meade	29 min
Jul 24, 5:09 PM CDT	Areal Flood Advisory	LMK	Green, Larue, Taylor	3 hr
Jul 24, 5:14 PM CDT	Special Weather Statement	LMK	Hardin	31 min
Jul 24, 5:21 PM CDT	Special Weather Statement	LMK	Green	44 min
Jul 24, 5:43 PM CDT	Areal Flood Advisory	LMK	Green, Hardin, Hart, Larue	2 hr
Jul 24, 5:45 PM CDT	Special Weather Statement	LMK	Hart	30 min
Jul 24, 6:06 PM CDT	Special Weather Statement	LMK	Green	44 min
Jul 24, 6:47 PM CDT	Special Weather Statement	LMK	Hart	28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.