Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 488, NWS Louisville, KY

July 27, 2012Anderson County, Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 27, 2012, 9:14 PM EDT for Anderson County, Shelby County, Spencer County, Kentucky. It was in force for 46 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 27, 2012, 9:14 PM EDT (01:14 UTC)
Expired: Jul 27, 2012, 10:00 PM EDT
In force: 46 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 01:14 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 27, 9:32 PM EDT	TSTM WND DMG	Little Mount, KY	LARGE PORTION OF TREE DOWN IN EASTERN SPENCER COUNTY... TIME AND LOCATION ESTIMATED

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 27, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 hours before the alert went out and 196 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: 40 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 1746 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

063 
WUUS53 KLMK 280114
SVRLMK
KYC005-211-215-280200-
/O.NEW.KLMK.SV.W.0488.120728T0114Z-120728T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
914 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN ANDERSON COUNTY IN EAST CENTRAL KENTUCKY...
  SOUTHERN SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...
  EASTERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 1000 PM EDT

* AT 909 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 LITTLE MOUNT...MOVING EAST
  AT 20 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  SOUTHVILLE...
  MOUNT EDEN...
  JUNTE AND VAN BUREN...
  WAYSIDE AND HARRISONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3808 8496 3791 8506 3796 8517 3797 8517
      3797 8520 3804 8536 3814 8528
TIME...MOT...LOC 0114Z 292DEG 17KT 3808 8524
WIND...HAIL 60MPH 0.75IN

$$

EER

2 follow-up statements

803 
WWUS53 KLMK 280139
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
939 PM EDT FRI JUL 27 2012

KYC005-211-215-280200-
/O.CON.KLMK.SV.W.0488.000000T0000Z-120728T0200Z/
SHELBY KY-SPENCER KY-ANDERSON KY-
939 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR WESTERN ANDERSON...EASTERN SPENCER AND SOUTHERN SHELBY
COUNTIES...

AT 937 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 WAYSIDE...MOVING EAST
AT 20 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  TAYLORSVILLE...
  GEE AND KLONDYKE...
  GLENSBORO AND BIRDIE...
  ANDERSON CITY AND DRYDOCK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 3808 8496 3791 8506 3796 8517 3797 8517
      3797 8520 3804 8536 3811 8515
TIME...MOT...LOC 0140Z 292DEG 17KT 3803 8510
WIND...HAIL 60MPH 0.75IN

$$

EER

302 
WWUS53 KLMK 280157
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
957 PM EDT FRI JUL 27 2012

KYC005-211-215-280207-
/O.EXP.KLMK.SV.W.0488.000000T0000Z-120728T0200Z/
SHELBY KY-SPENCER KY-ANDERSON KY-
957 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ANDERSON...EASTERN
SPENCER AND SOUTHERN SHELBY COUNTIES WILL EXPIRE AT 1000 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 AND EXCESSIVE LIGHTNING.

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

LAT...LON 3808 8496 3791 8506 3796 8517 3797 8517
      3797 8520 3804 8536 3811 8515
TIME...MOT...LOC 0157Z 292DEG 17KT 3800 8501

$$

EER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 8:10 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Spencer	30 min
Jul 27, 8:17 PM EDT	Special Weather Statement	LMK	Clark, Fayette, Woodford	43 min
Jul 27, 8:31 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	29 min
Jul 27, 8:37 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Jessamine, Woodford	43 min
Jul 27, 8:41 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Jessamine, Mercer, Shelby, Woodford	44 min
Jul 27, 8:49 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Spencer	26 min
Jul 27, 8:56 PM EDT	Severe Thunderstorm Warning	LMK	Meade	29 min
Jul 27, 9:02 PM EDT	Special Weather Statement	LMK	Anderson	28 min
Jul 27, 9:07 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Jessamine, Madison	27 min
Jul 27, 9:15 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Meade	30 min
Jul 27, 9:31 PM EDT	Flash Flood Warning	LMK	Anderson, Franklin, Mercer, Shelby, Woodford	3 hr
Jul 27, 9:50 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Spencer	30 min
Jul 27, 9:57 PM EDT	Special Weather Statement	LMK	Breckinridge, Hardin, Meade	28 min
Jul 27, 10:04 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Meade, Nelson	31 min
Jul 27, 10:24 PM EDT	Special Weather Statement	LMK	Boyle, Garrard, Jessamine, Lincoln, Marion, Mercer and 2 more	46 min
Jul 27, 10:38 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Larue, Marion, Nelson, Taylor, Washington	32 min
Jul 27, 10:59 PM EDT	Special Weather Statement	LMK	Casey, Lincoln	46 min
Jul 27, 11:06 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Marion, Taylor	29 min
Jul 27, 11:29 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Lincoln, Marion, Taylor	41 min
Jul 28, 1:40 AM EDT	Special Weather Statement	LMK	Adair, Green	30 min
Jul 28, 2:09 AM EDT	Special Weather Statement	LMK	Adair, Russell	31 min
Jul 28, 2:15 AM EDT	Special Weather Statement	LMK	Cumberland	45 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.