Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 342, NWS Louisville, KY

July 8, 2012Harrison County, Scott County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 8, 2012, 5:06 PM EDT for Harrison County, Scott County, Kentucky. It was in force for 29 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 8, 2012, 5:06 PM EDT (21:06 UTC)
Expired: Jul 8, 2012, 5:35 PM EDT
In force: 29 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Harrison County, KY, Scott County, KY

The radar

The Cincinnati radar (KILN), 116 km from the middle of the area, began a volume at 21:08 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.

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, 9.1 hours before the alert went out and 117 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.

330 
WUUS53 KLMK 082106
SVRLMK
KYC097-209-082135-
/O.NEW.KLMK.SV.W.0342.120708T2106Z-120708T2135Z/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARRISON COUNTY IN EAST CENTRAL KENTUCKY...
  NORTHERN SCOTT COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 535 PM EDT

* AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM HINTON TO LONGLICK...MOVING EAST AT 15 MPH.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  MALLARD POINT AND DOUBLE CULVERT...
  COLEMANSVILLE AND BOYD...
  BERRY AND RUTLAND...
  ROBINSON AND MUDDY FORD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3829 8443 3832 8474 3839 8469 3850 8456
      3852 8449 3854 8448 3854 8444 3857 8441
      3859 8423 3857 8419 3856 8421 3855 8418
      3855 8419
TIME...MOT...LOC 2106Z 282DEG 15KT 3852 8449 3835 8463
WIND...HAIL 60MPH <.50IN

$$

RS

2 follow-up statements

007 
WWUS53 KLMK 082124
SVSLMK

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

KYC097-209-082135-
/O.CON.KLMK.SV.W.0342.000000T0000Z-120708T2135Z/
SCOTT KY-HARRISON KY-
524 PM EDT SUN JUL 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 535 PM EDT
FOR WESTERN HARRISON AND NORTHEASTERN SCOTT COUNTIES...

AT 517 PM EDT...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 ALBERTA...MOVING EAST
AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  RENAKER...
  BRECKINRIDGE AND GARNETT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3848 8425 3829 8443 3837 8458 3850 8456
      3852 8449 3854 8448 3854 8444 3857 8441
TIME...MOT...LOC 2124Z 256DEG 23KT 3841 8445
WIND...HAIL 60MPH <.50IN

$$

RS

298 
WWUS53 KLMK 082135
SVSLMK

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

KYC097-209-082144-
/O.EXP.KLMK.SV.W.0342.000000T0000Z-120708T2135Z/
SCOTT KY-HARRISON KY-
535 PM EDT SUN JUL 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN HARRISON AND
NORTHEASTERN SCOTT COUNTIES WILL EXPIRE AT 535 PM EDT...

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 THUNDERSTORMS MAY DEVELOP.

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

LAT...LON 3848 8425 3829 8443 3837 8458 3850 8456
      3852 8449 3854 8448 3854 8444 3857 8441
TIME...MOT...LOC 2134Z 256DEG 23KT 3843 8437

$$

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, 4:08 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Harrison, Nicholas	17 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, 5:21 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.