Alert archive / Kentucky / Special Weather Statements in 2019

Special Weather Statement, NWS Louisville, KY

July 11, 2019Mercer County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 11, 2019, 3:21 PM EDT for Mercer County, Kentucky. It was in force for 24 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 11, 2019, 3:21 PM EDT (19:21 UTC)
Expired: Jul 11, 2019, 3:45 PM EDT
In force: 24 min
Issued by: NWS Louisville, KY

County Mercer County, KY

The radar

The Louisville radar (KLVX), 86 km from the middle of the area, began a volume at 19:22 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, 7.4 hours before the alert went out and 204 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: 553 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1031 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

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 Jul 11, 1:37 PM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jul 11, 1:37 PM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, Jul 11, 3:40 AM EDT, 11 hours 41 minutes before

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In the hours before

Special weather statement, Jul 11, 2:28 PM EDT, 53 minutes before

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Special weather statement, Jul 11, 2:42 PM EDT, 39 minutes before

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Special weather statement, Jul 11, 2:45 PM EDT, 36 minutes before

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Special weather statement, Jul 11, 2:54 PM EDT, 27 minutes before

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Special weather statement, Jul 11, 3:21 PM EDT, 0 minutes before

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Special weather statement, Jul 11, 3:21 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
321 PM EDT Thu Jul 11 2019

KYZ055-111945-
Boyle-
321 PM EDT Thu Jul 11 2019

...A STRONG THUNDERSTORM WILL AFFECT BOYLE COUNTY...

At 321 PM EDT, a strong thunderstorm was located 12 miles southeast
of Springfield, moving east at 20 mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Danville, Junction City, Brumfield, Alum Springs, Mitchellsburg,
Caldwell Manor, Davis Hill, Parksville, Forkland and Faulconer.

LAT...LON 3757 8479 3755 8485 3753 8490 3753 8492
      3755 8504 3768 8502 3771 8476
TIME...MOT...LOC 1921Z 272DEG 19KT 3761 8501

DM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 10:11 AM EDT	Special Weather Statement	LMK	Nicholas	19 min
Jul 11, 2:28 PM EDT	Special Weather Statement	LMK	Anderson	32 min
Jul 11, 2:42 PM EDT	Special Weather Statement	LMK	Washington	33 min
Jul 11, 2:45 PM EDT	Special Weather Statement	LMK	Franklin	15 min
Jul 11, 2:54 PM EDT	Special Weather Statement	LMK	Anderson	36 min
Jul 11, 3:27 PM EDT	Special Weather Statement	LMK	Nicholas	33 min
Jul 11, 3:37 PM EDT	Special Weather Statement	LMK	Mercer	23 min
Jul 11, 3:39 PM EDT	Special Weather Statement	LMK	Fayette	36 min
Jul 11, 3:43 PM EDT	Special Weather Statement	LMK	Boyle	32 min
Jul 11, 3:46 PM EDT	Special Weather Statement	LMK	Bourbon	14 min
Jul 11, 3:56 PM EDT	Special Weather Statement	LMK	Jessamine	34 min
Jul 11, 4:00 PM EDT	Special Weather Statement	LMK	Garrard	30 min
Jul 11, 4:03 PM EDT	Special Weather Statement	LMK	Clark	27 min
Jul 11, 4:10 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Jessamine, Madison	35 min
Jul 11, 4:23 PM EDT	Special Weather Statement	LMK	Garrard, Madison	37 min
Jul 11, 4:37 PM EDT	Special Weather Statement	LMK	Barren	38 min
Jul 11, 4:40 PM EDT	Severe Thunderstorm Warning	LMK	Madison	35 min
Jul 11, 4:55 PM EDT	Special Weather Statement	LMK	Bourbon	35 min
Jul 11, 5:00 PM EDT	Special Weather Statement	LMK	Allen	30 min
Jul 11, 5:02 PM EDT	Special Weather Statement	LMK	Madison	13 min
Jul 11, 5:14 PM EDT	Special Weather Statement	LMK	Casey	31 min
Jul 11, 5:50 PM EDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	115 min
Jul 11, 6:04 PM EDT	Special Weather Statement	LMK	Fayette	26 min
Jul 11, 6:26 PM EDT	Special Weather Statement	LMK	Fayette	34 min
Jul 11, 6:27 PM EDT	Special Weather Statement	LMK	Garrard	33 min
Jul 11, 6:37 PM EDT	Areal Flood Advisory	LMK	Clark, Fayette, Madison	113 min
Jul 11, 6:47 PM EDT	Special Weather Statement	LMK	Jessamine	28 min
Jul 11, 7:20 PM EDT	Special Weather Statement	LMK	Garrard	25 min
Jul 11, 7:33 PM EDT	Areal Flood Advisory	LMK	Casey, Russell	117 min

Nearby

Special Weather Statements in Kentucky, 2019 Every special weather statement in 2019

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.