Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

October 15, 2021Orange County, Indiana

NWS Louisville, KY issued this special weather statement at Oct 15, 2021, 9:28 PM EDT for Orange County, Indiana. It was in force for 17 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: Oct 15, 2021, 9:28 PM EDT (01:28 UTC)
Expired: Oct 15, 2021, 9:45 PM EDT
In force: 17 min
Issued by: NWS Louisville, KY
Hail: 0.25 in
Wind: 40

County Orange County, IN

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 01:32 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 00:00Z, 1.5 hours before the alert went out and 242 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: 8 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 91 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 Oct 15, 7:49 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Oct 15, 7:49 PM EDT, 1 hour 39 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Oct 15, 3:56 PM EDT, 5 hours 32 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
356 PM EDT Fri Oct 15 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-162000-
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
356 PM EDT Fri Oct 15 2021 /256 PM CDT Fri Oct 15 2021/

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

.DAY ONE...Tonight.

Strong to severe thunderstorms will be possible this evening. The
main severe weather threat with the storms will be damaging wind
gusts in excess of 60 MPH. An isolated tornado will be possible. The
storms will end from west to east as a strong cold front pushes
through the region tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required this evening.

13

In the hours before

Special weather statement, Oct 15, 5:47 PM EDT, 3 hours 41 minutes before

Special Weather Statement
National Weather Service Louisville KY
447 PM CDT Fri Oct 15 2021

KYZ061-070-152215-
Logan KY-Butler KY-
447 PM CDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of northwestern Logan
and southwestern Butler Counties through 515 PM CDT...

At 446 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles southwest of Dunmor, moving east at 40 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This storm will remain over mainly rural areas of northwestern Logan
and southwestern Butler Counties, including the following
locations... Justice, Cooperstown, Insco, Spa, Epleys, Diamond
Springs, Wolf Lick, Everett, Harper Crossroads and Lewisburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3706 8705 3707 8698 3707 8694 3708 8694
      3709 8690 3711 8690 3711 8689 3712 8690
      3713 8690 3713 8692 3714 8692 3715 8688
      3691 8681 3688 8706
TIME...MOT...LOC 2146Z 257DEG 33KT 3698 8714

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

JML

Special weather statement, Oct 15, 9:28 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
928 PM EDT Fri Oct 15 2021

INZ076-077-160145-
Orange IN-Washington IN-
928 PM EDT Fri Oct 15 2021

...A strong thunderstorm will impact portions of southeastern Orange
and southwestern Washington Counties through 945 PM EDT...

At 927 PM EDT, Doppler radar was tracking a strong thunderstorm near
Paoli, moving northeast at 40 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of southeastern Orange
and southwestern Washington Counties, including the following
locations... Bromer, Trotter Crossing, Smedley, Valeene, Pine Valley,
Livonia, Chambersburg, Rosebud, Hardinsburg and Mahan Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

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 3868 8618 3846 8615 3840 8650 3840 8652
      3851 8650
TIME...MOT...LOC 0127Z 237DEG 43KT 3847 8643

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

JML

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 16, 12:12 AM EDT	Special Weather Statement	LMK	Jessamine, Mercer	33 min
Oct 16, 12:37 AM EDT	Special Weather Statement	LMK	Bourbon, Fayette	38 min
Oct 15, 9:44 PM EDT	Special Weather Statement	LMK	Washington	16 min
Oct 15, 10:09 PM EDT	Special Weather Statement	LMK	Scott	21 min
Oct 15, 10:15 PM EDT	Tornado Warning	LMK	Washington	15 min
Oct 15, 10:25 PM EDT	Special Weather Statement	LMK	Jefferson	20 min

Nearby

Special Weather Statements in Indiana, 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.