Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

March 25, 2021Simpson County, Kentucky

NWS Louisville, KY issued this special weather statement at Mar 25, 2021, 6:36 PM CDT for Simpson 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: Mar 25, 2021, 6:36 PM CDT (23:36 UTC)
Expired: Mar 25, 2021, 7:00 PM CDT
In force: 24 min
Issued by: NWS Louisville, KY

County Simpson County, KY

The radar

The Nashville radar (KOHX), 49 km from the middle of the area, began a volume at 23:36 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, 11.6 hours before the alert went out and 62 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: 60 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 753 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 113 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 Mar 25, 6:35 PM CDT, 1 minute earlier.

Area forecast discussion, Mar 25, 6:35 PM CDT, 1 minute before

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Hazardous weather outlook, Mar 25, 2:36 PM CDT, 4 hours before

Hazardous Weather Outlook
National Weather Service Louisville KY
336 PM EDT Thu Mar 25 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-261945-
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
336 PM EDT Thu Mar 25 2021 /236 PM CDT Thu Mar 25 2021/

...WIND ADVISORY IN EFFECT FROM 8 PM EDT /7 PM CDT/ THIS EVENING TO
8 AM EDT /7 AM CDT/ FRIDAY...

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

.DAY ONE...Tonight.

Severe thunderstorms with damaging winds and isolated tornadoes are
possible this evening.

Tonight, behind the cold front, strong southwest winds could gust up
to 50 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Showers and thunderstorms on Saturday night could produce heavy
rainfall, especially across south central Kentucky. Depending on how
much rain falls tonight, this additional rainfall could result in
localized flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be required this evening.

KDW/RAS

In the hours before

Local storm report, Mar 25, 6:11 PM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
711 PM EDT THU MAR 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0629 PM     TSTM WND DMG     2 W PARK CITY           37.09N 86.09W
03/25/2021                   EDMONSON           KY   PUBLIC

            REPORTS OF CEDAR TREES DOWN ACROSS 31W
            BLOCKING THREE LANES AND REPORTS OF TWO
            BUILDINGS DAMAGED.

&&

BTN

Special weather statement, Mar 25, 6:13 PM CDT, 23 minutes before

Special Weather Statement
National Weather Service Louisville KY
613 PM CDT Thu Mar 25 2021

KYZ062-071-072-252345-
Warren-Simpson-Edmonson-
613 PM CDT Thu Mar 25 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SIMPSON...CENTRAL
WARREN AND SOUTHERN EDMONSON COUNTIES...

At 613 PM CDT, a strong thunderstorm was located 8 miles southwest of
Memphis Junction, moving northeast at 65 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Bowling Green, Plum Springs, Crestmoor, Memphis Junction, Mount
Victor, Smiths Grove, Woodburn, Oakland, Chalybeate and Hardcastle.

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3678 8670 3688 8663 3688 8661 3690 8662
      3716 8643 3715 8641 3717 8640 3719 8641
      3722 8639 3711 8613 3672 8658
TIME...MOT...LOC 2313Z 215DEG 58KT 3683 8658

JML

Local storm report, Mar 25, 6:17 PM CDT, 19 minutes before

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Special weather statement, Mar 25, 6:20 PM CDT, 16 minutes before

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Local storm report, Mar 25, 6:26 PM CDT, 10 minutes before

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Special weather statement, Mar 25, 6:36 PM CDT, 0 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
Mar 25, 2:55 AM CDT	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	25 hr
Mar 25, 4:59 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Simpson, Warren	46 min
Mar 25, 5:24 PM CDT	Severe Thunderstorm Warning	LMK	Barren, Edmonson, Hart, Warren	36 min
Mar 25, 5:51 PM CDT	Severe Thunderstorm Warning	LMK	Hardin, Larue, Nelson	24 min
Mar 25, 6:13 PM CDT	Special Weather Statement	LMK	Simpson, Warren	32 min
Mar 25, 6:14 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson, Spencer	31 min
Mar 25, 6:20 PM CDT	Special Weather Statement	LMK	Butler	25 min
Mar 25, 6:38 PM CDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby	37 min
Mar 25, 6:40 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	35 min
Mar 25, 6:57 PM CDT	Special Weather Statement	LMK	Hardin	33 min

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

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.