Alert archive / Kentucky / Heat Advisories in 2015

Heat Advisory 2, NWS Louisville, KY

July 29, 201534 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this heat advisory at Jul 29, 2015, 2:47 PM CDT for 34 counties in Kentucky; 10 counties in Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jul 29, 2015, 2:47 PM CDT (19:47 UTC)
Expired: Jul 29, 2015, 7:00 PM CDT
In force: 4 hr
Issued by: NWS Louisville, KY

All 44 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, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Larue County, KY, Logan County, KY, Marion County, KY, Meade County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Russell County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren County, KY, Washington County, KY

The radar

The Louisville radar (KLVX), 31 km from the middle of the area, began a volume at 19:49 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 12:00Z, 7.8 hours before the alert went out and 187 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: 236 J/kg
Mixed-layer CIN: -147 J/kg
Mixed-layer LCL: 1119 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 29, 2:16 PM CDT, 31 minutes earlier.

Area forecast discussion, Jul 29, 2:16 PM CDT, 31 minutes before

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Hazardous weather outlook, Jul 29, 10:42 AM CDT, 4 hours 5 minutes before

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In the hours before

Special weather statement, Jul 29, 1:50 PM CDT, 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
250 PM EDT WED JUL 29 2015

KYZ033>035-039-040-047-048-055-056-066-067-291920-
ANDERSON KY-BOYLE KY-CASEY KY-FRANKLIN KY-GARRARD KY-HENRY
KY-JESSAMINE KY-LINCOLN KY-MERCER KY-SHELBY KY-WOODFORD KY-
250 PM EDT WED JUL 29 2015

...STRONG THUNDERSTORMS WITH DANGEROUS LIGHTNING...TORRENTIAL RAIN...
AND 40 MPH WINDS...

AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM FRANKFORT TO 10
MILES NORTH OF LANCASTER TO 7 MILES EAST OF LIBERTY...AND MOVING
SOUTHEAST AT 25 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN REDUCING
VISIBILITIES...AND GUSTY WINDS OF AROUND 35 TO 40 MPH...ARE EXPECTED
WITH THESE STORMS.

* THESE STORMS WILL ALSO IMPACT...
  LIBERTY...
  FRANKFORT...
  VERSAILLES...
  STANFORD...
  LAWRENCEBURG...
  ELSINORE AND WOODLAKE...
  SLICKWAY AND DUCKERS...
  KINGS MOUNTAIN...
  WILMORE...

THESE STORMS WILL AFFECT INTERSTATE 64 IN KENTUCKY BETWEEN MILE
MARKERS 53 AND 60.

THESE STORMS WILL AFFECT THE BLUEGRASS PARKWAY BETWEEN MILE MARKERS
59 AND 72.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

&&

LAT...LON 3832 8478 3802 8465 3801 8466 3800 8464
      3785 8457 3724 8472 3720 8478 3736 8500
      3785 8490 3840 8506
TIME...MOT...LOC 1850Z 336DEG 22KT 3823 8483 3773 8463
          3728 8480

AMS

Special weather statement, Jul 29, 2:17 PM CDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
317 PM EDT WED JUL 29 2015

KYZ035-292000-
FRANKLIN KY-
317 PM EDT WED JUL 29 2015

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

AT 313 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR FRANKFORT...AND MOVING SOUTHEAST AT 5 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN REDUCING
VISIBILITIES...SMALL HAIL...AND STRONG GUSTY WINDS OF AROUND 45 TO
50 MPH...ARE EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  FRANKFORT...
  HARVIELAND...
  BENSON...
  PEAKS MILL...
  KENNEBEC AND INDIAN HILLS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.

&&

LAT...LON 3836 8484 3819 8476 3813 8498 3830 8498
      3832 8496 3833 8496 3836 8490 3835 8489
      3836 8487
TIME...MOT...LOC 1917Z 319DEG 3KT 3826 8492

RJS

Special weather statement, Jul 29, 2:30 PM CDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
330 PM EDT WED JUL 29 2015

KYZ040-047-048-055-056-292000-
BOYLE KY-GARRARD KY-JESSAMINE KY-MERCER KY-WOODFORD KY-
330 PM EDT WED JUL 29 2015

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

AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR HARRODSBURG...AND MOVING SOUTHEAST AT 10
MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN REDUCING
VISIBILITIES...AND STRONG GUSTY WINDS OF AROUND 45 TO 50 MPH...ARE
EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  HARRODSBURG...
  SHAKERTOWN...
  STRINGTOWN AND HIGH BRIDGE...
  BURGIN AND BUSHTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.

&&

LAT...LON 3775 8458 3762 8482 3787 8494 3796 8475
TIME...MOT...LOC 1930Z 332DEG 8KT 3781 8480

RJS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 1:50 PM CDT	Special Weather Statement	LMK	Boyle, Casey, Franklin, Jessamine, Mercer, Woodford	30 min
Jul 29, 2:01 PM CDT	Areal Flood Advisory	LMK	Boyle	119 min
Jul 29, 2:17 PM CDT	Special Weather Statement	LMK	Franklin	43 min
Jul 29, 2:23 PM CDT	Areal Flood Advisory	LMK	Franklin	2 hr
Jul 29, 2:28 PM CDT	Areal Flood Advisory	LMK	Woodford	2 hr
Jul 29, 2:30 PM CDT	Special Weather Statement	LMK	Mercer	30 min
Jul 29, 2:55 PM CDT	Special Weather Statement	LMK	Garrard	30 min
Jul 29, 2:58 PM CDT	Areal Flood Advisory	LMK	Mercer	2 hr
Jul 29, 3:01 PM CDT	Special Weather Statement	LMK	Harrison, Nicholas	44 min
Jul 29, 3:17 PM CDT	Areal Flood Advisory	LMK	Harrison	118 min
Jul 29, 3:30 PM CDT	Flash Flood Warning	LMK	Harrison	3 hr
Jul 29, 3:45 PM CDT	Special Weather Statement	LMK	Bourbon	30 min
Jul 29, 4:27 PM CDT	Areal Flood Advisory	LMK	Harrison	3 hr
Jul 29, 4:33 PM CDT	Special Weather Statement	LMK	Jefferson, Oldham, Trimble	47 min
Jul 29, 4:41 PM CDT	Flash Flood Warning	LMK	Harrison	3 hr
Jul 29, 4:48 PM CDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	117 min
Jul 29, 4:52 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Henry, Jefferson, Oldham, Shelby, Spencer	38 min
Jul 29, 5:19 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Nelson, Shelby, Spencer and 1 more	46 min
Jul 29, 6:05 PM CDT	Special Weather Statement	LMK	Anderson, Boyle, Fayette, Franklin, Mercer, Spencer and 1 more	60 min
Jul 29, 6:22 PM CDT	Special Weather Statement	LMK	Hardin	43 min
Jul 29, 6:28 PM CDT	Special Weather Statement	LMK	Ohio	32 min
Jul 29, 4:14 PM CDT	Special Weather Statement	LMK	Jefferson	46 min
Jul 29, 4:55 PM CDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange, Perry	30 min

Nearby

Heat Advisories in Kentucky, 2015 Heat Advisories in Indiana, 2015 Every heat advisory in 2015

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.