Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

March 27, 2021Simpson County, Kentucky

NWS Louisville, KY issued this special weather statement at Mar 27, 2021, 6:32 PM CDT for Simpson County, Kentucky. It was in force for 28 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 27, 2021, 6:32 PM CDT (23:32 UTC)
Expired
Mar 27, 2021, 7:00 PM CDT
In force
28 min
Issued by
NWS Louisville, KY

County Simpson County, KY

The radar

The Ft Campbell radar (KHPX), 56 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 81 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 347 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
347 m²/s²
0-3 km storm-relative helicity
316 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 27, 5:59 PM CDT, 33 minutes earlier.

Area forecast discussion, Mar 27, 5:59 PM CDT, 33 minutes before
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</head>
<body>
  <main class="wrap">
    <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>
      <p id="message1">
        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, Mar 27, 2:33 PM CDT, 3 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
333 PM EDT Sat Mar 27 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>072-281945-
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-
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, and Providence
333 PM EDT Sat Mar 27 2021 /233 PM CDT Sat Mar 27 2021/

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

.DAY ONE...Tonight.

Scattered thunderstorms are in the forecast for this evening across
southern Kentucky. The stronger storms will produce brief heavy rain
as well as gusty winds. Hail is also possible will the strongest
storms.

Tonight...coverage of showers and storms will increase areawide. The
stronger storms could bring isolated damaging wind gusts, hail, and
possibly a tornado or two...in additional to heavy rainfall.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should report any severe weather as well as flooding today
and tonight.

KYZ073>078-081-082-281945-
Allen-Barren-Monroe-Metcalfe-Adair-Russell-Cumberland-Clinton-
Including the cities of Scottsville, Glasgow, Tompkinsville,
Edmonton, Columbia, Jamestown, Burkesville, and Albany
233 PM CDT Sat Mar 27 2021

...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
SUNDAY MORNING...

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

.DAY ONE...Tonight.

Scattered thunderstorms are in the forecast for this evening across
southern Kentucky. The stronger storms will produce brief heavy rain
as well as gusty winds. Hail is also possible will the strongest
storms.

Tonight...coverage of showers and storms will increase areawide. The
stronger storms could bring isolated damaging wind gusts, hail, and
possibly a tornado or two...in additional to heavy rainfall.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should report any severe weather as well as flooding today
and tonight.

EBW/JML

In the hours before

Special weather statement, Mar 27, 6:06 PM CDT, 26 minutes before
Special Weather Statement
National Weather Service Louisville KY
606 PM CDT Sat Mar 27 2021

KYZ070-072-272330-
Logan-Simpson-
606 PM CDT Sat Mar 27 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL LOGAN AND NORTHWESTERN
SIMPSON COUNTIES...

At 606 PM CDT, a strong thunderstorm was located 9 miles southwest of
Russellville, moving east at 45 mph.

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

Locations impacted include...
Russellville, Auburn, Dennis, South Union, Lickskillet, Gasper, Cave
Springs, Middleton, Oakville and Old Volney.

LAT...LON 3676 8706 3676 8705 3679 8706 3698 8670
      3677 8661 3669 8706
TIME...MOT...LOC 2306Z 249DEG 41KT 3673 8699

CG
Special weather statement, Mar 27, 6:24 PM CDT, 8 minutes before
Special Weather Statement
National Weather Service Louisville KY
624 PM CDT Sat Mar 27 2021

KYZ074-280000-
Barren-
624 PM CDT Sat Mar 27 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BARREN COUNTY...

At 623 PM CDT, a strong thunderstorm was located 12 miles north of
Scottsville, moving east at 40 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
Glasgow, Pritchardsville, Finney, Lecta, Bristletown and Haywood.

LAT...LON 3693 8614 3692 8615 3691 8615 3691 8616
      3692 8617 3693 8616 3694 8617 3694 8616
      3705 8583 3693 8579 3690 8614
TIME...MOT...LOC 2323Z 256DEG 36KT 3692 8612

CG
Special weather statement, Mar 27, 6:32 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Louisville KY
632 PM CDT Sat Mar 27 2021

KYZ070>072-280000-
Warren-Logan-Simpson-
632 PM CDT Sat Mar 27 2021

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL LOGAN...NORTHERN
SIMPSON AND SOUTHWESTERN WARREN COUNTIES...

At 632 PM CDT, a strong thunderstorm was located 7 miles east of
Russellville, moving east at 45 mph.

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

Locations impacted include...
Bowling Green, Crestmoor, Memphis Junction, Auburn, Woodburn, Dennis,
Rich Pond, Rockfield, South Union and Matlock.

LAT...LON 3678 8682 3686 8686 3702 8649 3682 8639
TIME...MOT...LOC 2332Z 249DEG 39KT 3684 8676

DM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 2:04 AM CDTFlash Flood WatchLMKAdair, Allen, Barren, Clinton, Cumberland, Metcalfe and 2 more29 hr
Mar 27, 6:53 AM CDTSpecial Weather StatementLMKAllen22 min
Mar 27, 8:31 AM CDTSpecial Weather StatementLMKClinton29 min
Mar 27, 6:06 PM CDTSpecial Weather StatementLMKLogan24 min
Mar 27, 6:24 PM CDTSpecial Weather StatementLMKBarren36 min

Nearby

Special Weather Statements in Kentucky, 2021Every 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.