Alert archive / Kentucky / Heat Advisories in 2012

Heat Advisory 7, NWS Louisville, KY

July 19, 201215 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this heat advisory at Jul 19, 2012, 2:33 AM CDT for 15 counties in Kentucky; 10 counties in Indiana. It took effect at Jul 19, 2012, 11:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 19, 2012, 2:33 AM CDT (07:33 UTC)
In effect from: Jul 19, 2012, 11:00 AM CDT
Expired: Jul 19, 2012, 7:24 PM CDT
In force: 8 hr
Issued by: NWS Louisville, KY

All 25 counties

Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Washington County, IN, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Edmonson County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Jefferson County, KY, Logan County, KY, Meade County, KY, Ohio County, KY, Oldham County, KY, Simpson County, KY, Trimble County, KY, Warren County, KY

The radar

The Louisville radar (KLVX), 23 km from the middle of the area, began a volume at 07:37 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.6 hours before the alert went out and 205 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: 2564 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1098 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this heat advisory went out at Jul 19, 2:16 AM CDT, 17 minutes earlier.

Area forecast discussion, Jul 19, 2:16 AM CDT, 17 minutes before

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Hazardous weather outlook, Jul 18, 10:30 PM CDT, 4 hours 3 minutes before

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In the hours before

Special weather statement, Jul 18, 8:39 PM CDT, 5 hours 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
939 PM EDT WED JUL 18 2012

KYC155-179-217-190210-
MARION KY-NELSON KY-TAYLOR KY-
939 PM EDT WED JUL 18 2012

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...TORRENTIAL RAIN...
AND 50 MPH WINDS...

AT 936 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 10 MILES SOUTH OF BARDSTOWN...AND MOVING SOUTH AT
30 MPH.

CONTINUOUS CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN WITH RAINFALL
RATES OF AROUND TWO INCHES PER HOUR REDUCING VISIBILITIES TO LESS
THAN ONE HALF MILE...AND STRONG GUSTY WINDS OF AROUND 45 TO 50 MPH...
ARE EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  FROGTOWN...
  RAYWICK...
  SAINT JOSEPH...
  WILLOWTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS...AND AVOID USING THE
TELEPHONE UNLESS IT IS AN EMERGENCY.

&&

LAT...LON 3744 8546 3754 8549 3756 8552 3761 8549
      3772 8551 3774 8539 3772 8540 3770 8537
      3743 8531
TIME...MOT...LOC 0139Z 356DEG 27KT 3765 8549

SCHOETTMER

Local storm report, Jul 18, 9:08 PM CDT, 5 hours 25 minutes before

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Local storm report, Jul 18, 9:24 PM CDT, 5 hours 9 minutes before

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Local storm report, Jul 19, 12:13 AM CDT, 2 hours 20 minutes before

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Local storm report, Jul 19, 12:16 AM CDT, 2 hours 17 minutes before

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Local storm report, Jul 19, 12:17 AM CDT, 2 hours 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 7:04 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Lincoln, Marion, Taylor	41 min
Jul 18, 7:06 PM CDT	Special Weather Statement	LMK	Jefferson	29 min
Jul 18, 7:08 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	27 min
Jul 18, 7:30 PM CDT	Special Weather Statement	LMK	Bullitt, Jefferson, Spencer	30 min
Jul 18, 7:33 PM CDT	Areal Flood Advisory	LMK	Hancock	87 min
Jul 18, 8:07 PM CDT	Special Weather Statement	LMK	Nelson	28 min
Jul 18, 8:10 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Larue, Nelson	30 min
Jul 18, 8:29 PM CDT	Severe Thunderstorm Warning	LMK	Larue, Nelson	31 min
Jul 18, 8:39 PM CDT	Special Weather Statement	LMK	Marion	31 min
Jul 18, 9:00 PM CDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue, Taylor	10 min
Jul 19, 9:44 AM CDT	Special Weather Statement	LMK	Casey	31 min
Jul 19, 12:00 PM CDT	Special Weather Statement	LMK	Harrison	30 min
Jul 19, 12:32 PM CDT	Special Weather Statement	LMK	Nicholas	28 min
Jul 19, 12:48 PM CDT	Special Weather Statement	LMK	Clark, Fayette	42 min
Jul 19, 1:20 PM CDT	Severe Thunderstorm Warning	LMK	Clark	30 min
Jul 19, 1:58 PM CDT	Special Weather Statement	LMK	Spencer	32 min
Jul 19, 2:09 PM CDT	Severe Thunderstorm Warning	LMK	Clark	31 min
Jul 19, 2:11 PM CDT	Severe Thunderstorm Warning	LMK	Bourbon, Fayette, Scott, Woodford	29 min
Jul 19, 2:26 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Woodford	24 min
Jul 19, 2:41 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Scott, Woodford	29 min
Jul 19, 2:52 PM CDT	Areal Flood Advisory	LMK	Woodford	3 hr
Jul 19, 3:07 PM CDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Jessamine, Madison, Woodford	48 min
Jul 19, 3:38 PM CDT	Severe Thunderstorm Warning	LMK	Madison	52 min
Jul 19, 4:30 PM CDT	Severe Thunderstorm Warning	LMK	Madison	15 min
Jul 19, 4:33 PM CDT	Severe Thunderstorm Warning	LMK	Oldham	32 min
Jul 19, 4:52 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Jessamine, Madison	43 min
Jul 19, 5:03 PM CDT	Severe Thunderstorm Warning	LMK	Oldham	32 min
Jul 19, 5:15 PM CDT	Severe Thunderstorm Warning	LMK	Henry, Shelby	45 min
Jul 19, 5:25 PM CDT	Special Weather Statement	LMK	Jefferson	30 min
Jul 19, 5:31 PM CDT	Severe Thunderstorm Warning	LMK	Shelby	39 min
Jul 19, 5:31 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	44 min
Jul 19, 5:34 PM CDT	Special Weather Statement	LMK	Oldham	31 min
Jul 19, 5:46 PM CDT	Severe Thunderstorm Warning	LMK	Ohio	29 min
Jul 19, 5:50 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson	45 min
Jul 19, 5:56 PM CDT	Special Weather Statement	LMK	Butler, Grayson	44 min
Jul 19, 6:00 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Scott, Shelby, Woodford	45 min
Jul 19, 6:09 PM CDT	Special Weather Statement	LMK	Spencer	31 min
Jul 19, 6:10 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Ohio	45 min
Jul 19, 6:11 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Spencer	29 min
Jul 19, 6:20 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	9 min
Jul 19, 6:29 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Nelson, Washington, Woodford	46 min
Jul 19, 6:46 PM CDT	Severe Thunderstorm Warning	LMK	Green, Hart	29 min
Jul 19, 6:48 PM CDT	Severe Thunderstorm Warning	LMK	Nelson, Spencer	22 min
Jul 19, 6:50 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson, Hart	45 min
Jul 19, 6:51 PM CDT	Special Weather Statement	LMK	Breckinridge	44 min
Jul 19, 6:59 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Larue, Marion, Mercer, Nelson and 2 more	46 min
Jul 19, 3:28 PM CDT	Special Weather Statement	LMK	Scott	87 min
Jul 19, 3:34 PM CDT	Severe Thunderstorm Warning	LMK	Washington	41 min
Jul 19, 4:25 PM CDT	Special Weather Statement	LMK	Clark, Scott	45 min
Jul 19, 4:28 PM CDT	Special Weather Statement	LMK	Orange	42 min
Jul 19, 4:31 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson, Scott	29 min
Jul 19, 4:38 PM CDT	Severe Thunderstorm Warning	LMK	Washington	32 min
Jul 19, 5:10 PM CDT	Special Weather Statement	LMK	Harrison	30 min
Jul 19, 5:12 PM CDT	Special Weather Statement	LMK	Washington	28 min
Jul 19, 5:20 PM CDT	Severe Thunderstorm Warning	LMK	Washington	30 min
Jul 19, 5:38 PM CDT	Severe Thunderstorm Warning	LMK	Clark, Floyd, Harrison	32 min
Jul 19, 5:47 PM CDT	Severe Thunderstorm Warning	LMK	Dubois	38 min
Jul 19, 5:59 PM CDT	Special Weather Statement	LMK	Harrison	61 min
Jul 19, 6:25 PM CDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Perry	45 min
Jul 19, 6:53 PM CDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	42 min

Nearby

Heat Advisories in Kentucky, 2012 Heat Advisories in Indiana, 2012 Every heat advisory 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.