Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 349, NWS Louisville, KY

December 31, 20186 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Dec 31, 2018, 2:58 PM CST for 6 counties in Kentucky. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 31, 2018, 2:58 PM CST (20:58 UTC)
Expired: Dec 31, 2018, 3:30 PM CST
In force: 32 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Green County, KY, Hart County, KY, Larue County, KY, Marion County, KY, Nelson County, KY, Taylor County, KY

The radar

The Louisville radar (KLVX), 67 km from the middle of the area, began a volume at 20:59 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 31, 12:48 PM CST	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.0 hours before the alert went out and 177 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 631 m²/s²
0-3 km storm-relative helicity: 689 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Dec 31, 2:58 PM CST, 0 minutes earlier.

Area forecast discussion, Dec 31, 2:58 PM CST, 0 minutes before

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Hazardous weather outlook, Dec 31, 2:09 PM CST, 49 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
309 PM EST Mon Dec 31 2018

INZ079-KYZ032>043-045>049-054>057-064>067-075>078-081-082-012015-
Jefferson-Trimble-Henry-Shelby-Franklin-Scott-Harrison-Spencer-
Anderson-Woodford-Fayette-Bourbon-Nicholas-Nelson-Washington-Mercer-
Jessamine-Clark-Marion-Boyle-Garrard-Madison-Green-Taylor-Casey-
Lincoln-Monroe-Metcalfe-Adair-Russell-Cumberland-Clinton-
Including the cities of Madison, Bedford, Milton, New Castle,
Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville,
Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown,
Springfield, Harrodsburg, Nicholasville, Winchester, Lebanon,
Danville, Lancaster, Richmond, Greensburg, Campbellsville, Liberty,
Stanford, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville,
and Albany
309 PM EST Mon Dec 31 2018 /209 PM CST Mon Dec 31 2018/

...WIND ADVISORY IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS EVENING...

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

.DAY ONE...Tonight.

A line of strong storms late this afternoon into early evening will
bring gusty winds and reduced visibilities and localized flooding due
to briefly heavy rainfall.

Even outside the storms, wind gusts around 40 mph are likely, and it
will remain windy after the storms exit this evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should report any instances of damaging winds and flooding.

&&

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

INZ076>078-083-084-089>092-KYZ023>031-053-061>063-070>074-012015-
Orange-Washington-Scott-Dubois-Crawford-Perry-Harrison-Floyd-Clark-
Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Jefferson-
Oldham-Larue-Butler-Edmonson-Hart-Logan-Warren-Simpson-Allen-Barren-
Including the cities of Paoli, Salem, Scottsburg, Jasper, English,
Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield,
Elizabethtown, Shepherdsville, Louisville, La Grange, Hodgenville,
Morgantown, Brownsville, Horse Cave, Russellville, Bowling Green,
Franklin, Providence, Scottsville, and Glasgow
309 PM EST Mon Dec 31 2018 /209 PM CST Mon Dec 31 2018/

...WIND ADVISORY IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS EVENING...
...SEVERE THUNDERSTORM WATCH 450 IN EFFECT UNTIL 7 PM EST /6 PM CST/
THIS EVENING...

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

.DAY ONE...Tonight.

A line of strong to severe storms will bring locally damaging winds
late this afternoon and into early evening. Heavy rainfall will cause
reduced visibility and localized flooding.

Outside of any storms, wind gusts around 40 mph are likely. It will
remain windy into the evening after the storms exit the area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters should report any instances of damaging winds and flooding.

&&

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

RAS/TWF

In the hours before

Local storm report, Dec 31, 1:10 PM CST, 1 hour 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
210 PM EST MON DEC 31 2018

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

0117 PM     NON-TSTM WND DMG 1 E ALBANY              36.69N 85.11W
12/31/2018                   CLINTON            KY   911 CALL CENTER

            TREE REPORTED DOWN IN THE 1500 BLOCK OF OLD
            MONTICELLO RD.

1258 PM     NON-TSTM WND DMG 1 SSE ALBANY            36.68N 85.13W
12/31/2018                   CLINTON            KY   911 CALL CENTER

            TREE REPORTED DOWN IN 600 BLOCK OF WOLF
            RIVER DOCK RD.

1216 PM     NON-TSTM WND DMG 7 NW ALBANY             36.76N 85.23W
12/31/2018                   CLINTON            KY   911 CALL CENTER

            TREE DOWN ON RIDDLETOWN RD.

&&

Special weather statement, Dec 31, 1:20 PM CST, 1 hour 38 minutes before

Special Weather Statement
National Weather Service Louisville KY
220 PM EST MON DEC 31 2018

INZ076-083-084-089-KYZ023>025-312015-
Crawford-Orange-Perry-Dubois-Hancock-Meade-Breckinridge-
220 PM EST MON DEC 31 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT DUBOIS...CRAWFORD...
PERRY...ORANGE...WESTERN MEADE...HANCOCK AND BRECKINRIDGE COUNTIES...

At 220 PM EST/120 PM CST/, radar indicated strong thunderstorms were
located along a line extending from Winslow to near Stanley. Movement
was east at 50 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Jasper, Tell City, Paoli, Hardinsburg, Hawesville, English, Carefree
Town, Mount Pleasant, Webster and Huntingburg.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3851 8707 3853 8668 3869 8668 3869 8631
      3829 8625 3818 8633 3787 8624 3780 8615
      3759 8629 3756 8636 3757 8636 3762 8650
      3757 8660 3774 8682 3790 8691 3789 8699
      3800 8677 3810 8677 3821 8679 3820 8707
TIME...MOT...LOC 1920Z 250DEG 45KT 3839 8721 3777 8725

DM

Special weather statement, Dec 31, 1:23 PM CST, 1 hour 35 minutes before

Special Weather Statement
National Weather Service Louisville KY
123 PM CST MON DEC 31 2018

KYZ024-026-027-061-062-070>072-312015-
Grayson-Warren-Logan-Simpson-Edmonson-Butler-Ohio-Breckinridge-
123 PM CST MON DEC 31 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT LOGAN...SIMPSON...
BUTLER...GRAYSON...WARREN...SOUTHWESTERN BRECKINRIDGE...OHIO AND
WESTERN EDMONSON COUNTIES...

At 122 PM CST, radar indicated strong thunderstorms were located
along a line extending from Owensboro to near Pembroke. Movement was
east at 60 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Bowling Green, Russellville, Leitchfield, Hartford, Morgantown, Plum
Springs, Memphis Junction, Mount Victor, Crestmoor and Anderson.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3734 8714 3738 8709 3747 8712 3763 8695
      3767 8682 3771 8687 3774 8682 3766 8664
      3757 8660 3762 8650 3758 8646 3758 8621
      3756 8619 3665 8642 3664 8706 3706 8705
      3709 8690 3716 8693 3719 8689 3736 8703
TIME...MOT...LOC 1922Z 232DEG 72KT 3774 8713 3679 8732

EBW

Local storm report, Dec 31, 2:16 PM CST, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
316 PM EST MON DEC 31 2018

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

0315 PM     TSTM WND GST     3 E HARTFORD            37.45N 86.84W
12/31/2018  M50 MPH          OHIO               KY   MESONET

            50 MPH GUST RECORDED AT KYMESONET SITE.

0305 PM     TSTM WND GST     1 WSW WOODBURY          37.18N 86.66W
12/31/2018  M53 MPH          BUTLER             KY   MESONET

            53 MPH GUST RECORDED AT KYMESONET SITE IN
            BUTLER COUNTY.

&&

Special weather statement, Dec 31, 2:25 PM CST, 33 minutes before

Special Weather Statement
National Weather Service Louisville KY
325 PM EST MON DEC 31 2018

KYZ024-027-028-045-053-061>064-071>076-312130-
Hart-Grayson-Warren-Edmonson-Barren-Butler-Hardin-Metcalfe-Monroe-
Simpson-Allen-Nelson-Larue-Breckinridge-Green-
325 PM EST MON DEC 31 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN NELSON...
LARUE...SOUTHEASTERN SIMPSON...HART...EASTERN GRAYSON...HARDIN...
EDMONSON...WESTERN GREEN...WESTERN MONROE...ALLEN...EAST CENTRAL
BUTLER...WARREN...SOUTHEASTERN BRECKINRIDGE...BARREN AND WESTERN
METCALFE COUNTIES...

At 325 PM EST/225 PM CST/, radar indicated strong thunderstorms were
located along a line extending from 8 miles north of Leitchfield to
near Portland. Movement was east at 50 mph.

Wind gusts of 50 to 55 mph are possible with these storms.

Locations impacted include...
Bowling Green, Elizabethtown, Glasgow, Bardstown, Leitchfield,
Scottsville, Hodgenville, Tompkinsville, Munfordville and Edmonton.

These storms 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.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3665 8651 3663 8656 3763 8634 3789 8541
      3765 8547 3756 8552 3754 8549 3748 8551
      3746 8556 3747 8559 3743 8559 3740 8553
      3662 8571
TIME...MOT...LOC 2025Z 254DEG 42KT 3760 8628 3659 8651

EBW

Local storm report, Dec 31, 2:48 PM CST, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 PM EST MON DEC 31 2018

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

0346 PM     TSTM WND DMG     1 NNE BOWLING GREEN     36.99N 86.43W
12/31/2018                   WARREN             KY   PUBLIC

            MORE THAN 4000 CUSTOMERS REPORTED WITHOUT
            POWER IN WARREN COUNTY.

&&

JBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 12:34 AM CST	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	20 hr
Dec 31, 1:20 PM CST	Special Weather Statement	LMK	Breckinridge, Hancock	55 min
Dec 31, 1:23 PM CST	Special Weather Statement	LMK	Butler, Grayson, Logan, Ohio, Simpson, Warren	52 min
Dec 31, 1:33 PM CST	Severe Thunderstorm Warning	LMK	Butler, Logan, Ohio	42 min
Dec 31, 2:01 PM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	29 min
Dec 31, 2:04 PM CST	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson, Warren	26 min
Dec 31, 2:12 PM CST	Tornado Warning	LMK	Breckinridge, Meade	33 min
Dec 31, 2:17 PM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hardin	28 min
Dec 31, 2:25 PM CST	Special Weather Statement	LMK	Allen, Barren, Edmonson, Grayson, Hardin, Hart and 5 more	65 min
Dec 31, 2:25 PM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Jefferson, Meade	35 min
Dec 31, 2:37 PM CST	Severe Thunderstorm Warning	LMK	Edmonson, Grayson, Hart, Larue	23 min
Dec 31, 2:38 PM CST	Severe Thunderstorm Warning	LMK	Jefferson	37 min
Dec 31, 2:47 PM CST	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Spencer	28 min
Dec 31, 2:52 PM CST	Severe Thunderstorm Warning	LMK	Allen, Barren, Metcalfe	23 min
Dec 31, 3:15 PM CST	Special Weather Statement	LMK	Anderson, Henry, Oldham, Shelby, Spencer	45 min
Dec 31, 3:18 PM CST	Special Weather Statement	LMK	Adair, Boyle, Casey, Cumberland, Green, Marion and 6 more	42 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018 Every severe thunderstorm warning in 2018

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.