Alert archive / Indiana / Special Weather Statements in 2022

Special Weather Statement, NWS Louisville, KY

May 20, 2022Washington County, Indiana

NWS Louisville, KY issued this special weather statement at May 20, 2022, 2:21 AM EDT for Washington County, Indiana. 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: May 20, 2022, 2:21 AM EDT (06:21 UTC)
Expired: May 20, 2022, 2:45 AM EDT
In force: 24 min
Issued by: NWS Louisville, KY
Hail: 0.25 in
Wind: 40

County Washington County, IN

The radar

The Louisville radar (KLVX), 86 km from the middle of the area, began a volume at 06:22 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 00:00Z, 6.4 hours before the alert went out and 207 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: 719 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1389 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

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 May 20, 1:01 AM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, May 20, 1:01 AM EDT, 1 hour 20 minutes before

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Hazardous weather outlook, May 19, 8:18 PM EDT, 6 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
818 PM EDT Thu May 19 2022

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-065>067-210030-
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-Taylor-Casey-Lincoln-
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, Campbellsville,
Liberty, and Stanford
818 PM EDT Thu May 19 2022 /718 PM CDT Thu May 19 2022/

...SEVERE THUNDERSTORM WATCH 249 IN EFFECT UNTIL 2 AM EDT /1 AM CDT/
FRIDAY...

.DAY ONE...Tonight.

Scattered showers and thunderstorms are expected to move across the
region this evening and into the overnight period. Some storms may be
strong to severe with large hail, damaging winds, and perhaps a few
isolated tornadoes.

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

A round of showers and thunderstorms is possible late Saturday and
early Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

GENERAL STORM MOTION OF THE DAY:

Storms this evening will move from the west-southwest to the east-
northeast at 30 mph.

Any users of this storm motion must be aware that thunderstorm
activity can be erratic and constantly evolving. Please use this with
caution and be prepared for changing conditions.

&&

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

KYZ061>064-070>078-081-082-210030-
Butler-Edmonson-Hart-Green-Logan-Warren-Simpson-Allen-Barren-Monroe-
Metcalfe-Adair-Russell-Cumberland-Clinton-
Including the cities of Morgantown, Brownsville, Horse Cave,
Greensburg, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
718 PM CDT Thu May 19 2022

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

.DAY ONE...Tonight.

A few isolated showers and thunderstorms will be possible this
evening across southern Kentucky. However, organized severe weather
is expected to remain north of the Western Kentucky and Bluegrass
Parkways.

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

A round of showers and thunderstorms is possible late Saturday and
early Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

GENERAL STORM MOTION OF THE DAY:

Storms this this evening will move from the west-southwest to the
east-northeast at 30 mph.

Any users of this storm motion must be aware that thunderstorm
activity can be erratic and constantly evolving. Please use this with
caution and be prepared for changing conditions.

&&

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

MJ

In the hours before

Local storm report, May 20, 12:59 AM EDT, 1 hour 22 minutes before

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Special weather statement, May 20, 1:02 AM EDT, 1 hour 19 minutes before

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Local storm report, May 20, 1:16 AM EDT, 1 hour 5 minutes before

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Local storm report, May 20, 1:23 AM EDT, 58 minutes before

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Special weather statement, May 20, 1:39 AM EDT, 42 minutes before

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Special weather statement, May 20, 2:21 AM EDT, 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
May 19, 8:34 PM EDT	Special Weather Statement	LMK	Mercer	26 min
May 19, 8:53 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	37 min
May 19, 9:02 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Jessamine, Mercer, Woodford	28 min
May 19, 9:30 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Jessamine	30 min
May 19, 9:32 PM EDT	Special Weather Statement	LMK	Shelby	28 min
May 19, 9:33 PM EDT	Special Weather Statement	LMK	Trimble	27 min
May 19, 9:44 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	46 min
May 19, 9:52 PM EDT	Special Weather Statement	LMK	Clark, Fayette	83 min
May 19, 10:03 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette	27 min
May 19, 10:03 PM EDT	Severe Thunderstorm Warning	LMK	Franklin, Henry, Oldham, Shelby	42 min
May 19, 10:31 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Bourbon, Clark, Nicholas	29 min
May 19, 10:47 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Franklin, Henry	11 min
May 19, 11:01 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Nicholas	14 min
May 19, 11:32 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	28 min
May 19, 11:55 PM EDT	Severe Thunderstorm Warning Considerable damage threat	LMK	Harrison, Nicholas	21 min
May 20, 3:38 AM EDT	Special Weather Statement	LMK	Carroll	22 min
May 19, 8:03 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	27 min
May 19, 8:09 PM EDT	Severe Thunderstorm Warning	LMK	Orange, Washington	51 min
May 19, 8:29 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Scott	31 min
May 19, 8:35 PM EDT	Special Weather Statement	LMK	Orange	25 min
May 19, 8:58 PM EDT	Severe Thunderstorm Warning	LMK	Washington	32 min
May 19, 9:16 PM EDT	Special Weather Statement	LMK	Scott	29 min
May 19, 11:22 PM EDT	Special Weather Statement	LMK	Dubois	23 min
May 19, 11:34 PM EDT	Severe Thunderstorm Warning	LMK	Dubois	26 min
May 19, 11:58 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange	32 min
May 20, 12:27 AM EDT	Severe Thunderstorm Warning	LMK	Washington	33 min
May 20, 1:02 AM EDT	Special Weather Statement	LMK	Scott	28 min
May 20, 1:39 AM EDT	Special Weather Statement	LMK	Orange	36 min
May 20, 1:57 AM EDT	Severe Thunderstorm Warning	LMK	Orange	33 min
May 20, 2:47 AM EDT	Special Weather Statement	LMK	Jefferson, Scott	28 min
May 20, 3:18 AM EDT	Special Weather Statement	LMK	Jefferson	27 min
May 20, 3:52 AM EDT	Severe Thunderstorm Warning	LMK	Jefferson	23 min
May 20, 4:02 AM EDT	Areal Flood Advisory	LMK	Jefferson	118 min

Nearby

Special Weather Statements in Indiana, 2022 Every special weather statement in 2022

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.