Alert archive / Kentucky / Special Weather Statements in 2017

Special Weather Statement, NWS Louisville, KY

August 2, 2017Franklin County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 2, 2017, 1:57 PM EDT for Franklin County, Kentucky. It was in force for 18 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: Aug 2, 2017, 1:57 PM EDT (17:57 UTC)
Expired: Aug 2, 2017, 2:15 PM EDT
In force: 18 min
Issued by: NWS Louisville, KY

County Franklin County, KY

The radar

The Louisville radar (KLVX), 105 km from the middle of the area, began a volume at 18:01 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.0 hours before the alert went out and 153 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: 190 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1503 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 2, 1:19 PM EDT, 38 minutes earlier.

Area forecast discussion, Aug 2, 1:19 PM EDT, 38 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Aug 2, 11:39 AM EDT, 2 hours 18 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
1139 AM EDT Wed Aug 2 2017

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-031545-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle-
Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-
Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield,
Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford,
Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana,
Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle,
Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester,
Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
1139 AM EDT Wed Aug 2 2017 /1039 AM CDT Wed Aug 2 2017/

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...This Afternoon and Tonight.

Scattered showers and thunderstorms will be possible across the
outlook area this afternoon and evening. Some of the storms may
strong with torrential rainfall, gusty winds, and small hail.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thunderstorms will be possible Thursday and again on Friday as a
couple of weather systems move through the region. The best storm
chance will be on Friday as a cold front moves through the area.
Strong to possibly severe thunderstorms will be possible on Friday,
mainly east of the I-65 corridor. Damaging winds, torrential
rainfall, and large hail will be possible in the strongest storms.

Another chance of thunderstorms is expected late Sunday as another
weather disturbance moves through the region.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required over the next few days.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

MJ/RAS

In the hours before

Special weather statement, Aug 2, 1:43 PM EDT, 14 minutes before

Special Weather Statement
National Weather Service Louisville KY
143 PM EDT WED AUG 2 2017

KYZ029>031-034-035-038-021815-
Jefferson-Oldham-Shelby-Bullitt-Franklin-Spencer-
143 PM EDT WED AUG 2 2017

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN SPENCER...
SOUTHEASTERN OLDHAM...SHELBY...JEFFERSON...NORTHEASTERN BULLITT AND
WESTERN FRANKLIN COUNTIES...

At 142 PM EDT, thunderstorms with heavy rainfall were clustered
across Jefferson, Shelby, Oldham, Spencer and Bullitt counties. Some
areas within these counties are seeing multiple thunderstorms within
a short timeframe, and this could lead to ponding of water in
roadways and difficult driving conditions.

Gusty winds up to 40mph are also possible with these thunderstorms.

Locations impacted include...
Louisville, Frankfort, Jeffersontown, St. Matthews, Shelbyville,
Lyndon, Middletown, Douglass Hills, Hurstbourne and
Graymoor-Devondale.

LAT...LON 3811 8488 3813 8502 3811 8505 3802 8531
      3801 8565 3806 8575 3814 8584 3828 8572
      3835 8543 3835 8517 3834 8499 3835 8495
TIME...MOT...LOC 1738Z 256DEG 14KT 3813 8548

DM

Special weather statement, Aug 2, 1:57 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
157 PM EDT WED AUG 2 2017

KYZ035-021815-
Franklin-
157 PM EDT WED AUG 2 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN FRANKLIN COUNTY...

At 157 PM EDT, a strong thunderstorm was located near Frankfort,
moving northeast at 15 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Peaks Mill.

LAT...LON 3833 8476 3827 8474 3822 8487 3830 8493
      3835 8482
TIME...MOT...LOC 1757Z 241DEG 14KT 3829 8486

DM

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 8:18 PM EDT	Special Weather Statement	LMK	Breckinridge, Hancock	27 min
Aug 1, 8:29 PM EDT	Severe Thunderstorm Warning	LMK	Oldham	31 min
Aug 1, 8:43 PM EDT	Special Weather Statement	LMK	Oldham	32 min
Aug 1, 9:10 PM EDT	Special Weather Statement	LMK	Oldham	35 min
Aug 2, 1:43 PM EDT	Special Weather Statement	LMK	Jefferson, Shelby, Spencer	32 min
Aug 2, 2:12 PM EDT	Special Weather Statement	LMK	Scott	33 min
Aug 2, 2:20 PM EDT	Special Weather Statement	LMK	Henry	25 min
Aug 2, 2:26 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	19 min
Aug 2, 2:39 PM EDT	Special Weather Statement	LMK	Anderson	21 min
Aug 2, 2:43 PM EDT	Special Weather Statement	LMK	Harrison	17 min
Aug 2, 2:58 PM EDT	Special Weather Statement	LMK	Bourbon, Nicholas	17 min
Aug 2, 3:11 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Nicholas	13 min
Aug 2, 3:21 PM EDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	54 min
Aug 2, 3:23 PM EDT	Special Weather Statement	LMK	Fayette	22 min
Aug 2, 3:38 PM EDT	Special Weather Statement	LMK	Bourbon	22 min
Aug 2, 3:44 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette	31 min
Aug 2, 4:09 PM EDT	Special Weather Statement	LMK	Clark	36 min
Aug 2, 4:25 PM EDT	Special Weather Statement	LMK	Garrard, Madison	50 min
Aug 2, 5:04 PM EDT	Special Weather Statement	LMK	Oldham	26 min
Aug 2, 5:14 PM EDT	Special Weather Statement	LMK	Madison	16 min
Aug 2, 5:28 PM EDT	Special Weather Statement	LMK	Warren	32 min
Aug 2, 5:57 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Logan	33 min
Aug 2, 6:16 PM EDT	Special Weather Statement	LMK	Logan	29 min
Aug 2, 6:47 PM EDT	Special Weather Statement	LMK	Simpson	28 min
Aug 2, 7:21 PM EDT	Special Weather Statement	LMK	Casey	24 min
Aug 1, 8:04 PM EDT	Severe Thunderstorm Warning	LMK	Clark	26 min
Aug 2, 5:30 PM EDT	Special Weather Statement	LMK	Dubois, Orange	30 min
Aug 2, 5:48 PM EDT	Special Weather Statement	LMK	Floyd	27 min
Aug 2, 6:42 PM EDT	Special Weather Statement	LMK	Jefferson	33 min

Nearby

Special Weather Statements in Kentucky, 2017 Every special weather statement in 2017

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.