Alert archive / Kentucky / Special Weather Statements in 2015

Special Weather Statement, NWS Louisville, KY

April 20, 2015Casey County, Lincoln County, Kentucky

NWS Louisville, KY issued this special weather statement at Apr 20, 2015, 3:49 AM EDT for Casey County, Lincoln County, Kentucky. It was in force for 21 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: Apr 20, 2015, 3:49 AM EDT (07:49 UTC)
Expired: Apr 20, 2015, 4:10 AM EDT
In force: 21 min
Issued by: NWS Louisville, KY

Counties Casey County, KY, Lincoln County, KY

The radar

The Louisville radar (KLVX), 104 km from the middle of the area, began a volume at 07:49 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 00:00Z, 7.8 hours before the alert went out and 201 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: 170 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Apr 20, 3:35 AM EDT, 14 minutes earlier.

Area forecast discussion, Apr 20, 3:35 AM EDT, 14 minutes before

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Hazardous weather outlook, Apr 19, 11:22 PM EDT, 4 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1122 PM EDT SUN APR 19 2015

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-210330-
ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN-CRAWFORD IN-
PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY-BRECKINRIDGE KY-
MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-BULLITT KY-JEFFERSON KY-
OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY-SCOTT KY-
HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY-FAYETTE KY-BOURBON KY-
NICHOLAS KY-NELSON KY-WASHINGTON KY-MERCER KY-JESSAMINE KY-CLARK KY-
LARUE KY-MARION KY-BOYLE KY-GARRARD KY-MADISON KY-BUTLER KY-
EDMONSON KY-HART KY-GREEN KY-TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-
WARREN KY-SIMPSON KY-ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-
ADAIR KY-RUSSELL KY-CUMBERLAND KY-CLINTON KY-
INCLUDING THE CITIES OF...PAOLI...SALEM...SCOTTSBURG...MADISON...
JASPER...MARENGO...TELL CITY...CORYDON...NEW ALBANY...
JEFFERSONVILLE...HAWESVILLE...HARDINSBURG...BRANDENBURG...
BEAVER DAM...LEITCHFIELD...ELIZABETHTOWN...FORT KNOX...
MOUNT WASHINGTON...SHEPHERDSVILLE...LOUISVILLE...LA GRANGE...
BEDFORD...NEW CASTLE...SHELBYVILLE...FRANKFORT...GEORGETOWN...
CYNTHIANA...TAYLORSVILLE...LAWRENCEBURG...VERSAILLES...LEXINGTON...
PARIS...CARLISLE...BARDSTOWN...SPRINGFIELD...HARRODSBURG...
NICHOLASVILLE...WINCHESTER...HODGENVILLE...LEBANON...DANVILLE...
LANCASTER...RICHMOND...MORGANTOWN...BROWNSVILLE...MUNFORDVILLE...
GREENSBURG...CAMPBELLSVILLE...LIBERTY...STANFORD...RUSSELLVILLE...
BOWLING GREEN...FRANKLIN...SCOTTSVILLE...GLASGOW...TOMPKINSVILLE...
EDMONTON...COLUMBIA...JAMESTOWN...BURKESVILLE...ALBANY
1122 PM EDT SUN APR 19 2015 /1022 PM CDT SUN APR 19 2015/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
INDIANA AND CENTRAL KENTUCKY.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT. A FEW STORMS COULD
BE STRONG PRODUCING GUSTY WINDS AND SMALL HAIL. ANY THUNDERSTORM
COULD PRODUCE HEAVY RAINFALL...WHICH WOULD RESULT IN LOCALIZED
FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN ON MONDAY WITH BRIEF HEAVY
RAINFALL AND CLOUD TO GROUND LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ARE ENCOURAGED TO REPORT ANY WIND DAMAGE...HAIL...AND RAINFALL
TOTALS.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT WEATHER.GOV/LOUISVILLE.

RAS/TWF/AMS

In the hours before

Special weather statement, Apr 20, 3:11 AM EDT, 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
211 AM CDT MON APR 20 2015

KYZ064-065-075>077-081-200740-
ADAIR KY-CUMBERLAND KY-GREEN KY-METCALF KY-MONROE KY-TAYLOR KY-
211 AM CDT MON APR 20 2015

...STRONG THUNDERSTORMS WITH DANGEROUS LIGHTNING...HEAVY RAIN...HALF
INCH HAIL...AND 50 MPH WINDS...

AT 210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF
GREENSBURG TO 5 MILES NORTHEAST OF EDMONTON TO 10 MILES SOUTHWEST OF
EDMONTON TO 10 MILES NORTH OF RED BOILING SPRING...AND MOVING EAST AT
45 MPH.

OCCASIONAL LIGHTNING...HEAVY RAIN REDUCING VISIBILITIES...HALF INCH
HAIL...AND STRONG GUSTY WINDS OF 40 TO 50 MPH...ARE EXPECTED WITH
THESE STORMS.

* THESE STORMS WILL ALSO IMPACT...
  TOMPKINSVILLE...
  GREENSBURG...
  EDMONTON...
  COLUMBIA...
  CAMPBELLSVILLE...
  PITMAN AND WEED...
  BENGAL AND MILLTOWN...
  DURHAMTOWN AND TORIA...
  SPURLINGTON AND TAYLOR COUNTY AIRPORT...

THESE STORMS WILL AFFECT THE CUMBERLAND (NUNN) PARKWAY BETWEEN MILE
MARKERS 27 AND 49.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.

&&

LAT...LON 3662 8596 3668 8596 3683 8578 3684 8574
      3689 8574 3704 8566 3734 8569 3743 8528
      3742 8526 3745 8519 3717 8513 3670 8545
      3661 8587
TIME...MOT...LOC 0711Z 252DEG 36KT 3731 8560 3705 8556
          3687 8570 3668 8587

RJS

Local storm report, Apr 20, 3:19 AM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
319 AM EDT MON APR 20 2015

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

0305 AM     TSTM WND GST     1 ENE HARDYVILLE        37.26N 85.78W
04/20/2015  M49 MPH          HART               KY   MESONET

&&

NWS LOUISVILLE KY
IRIS SYSTEM

Special weather statement, Apr 20, 3:29 AM EDT, 20 minutes before

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Special weather statement, Apr 20, 3:38 AM EDT, 11 minutes before

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Special weather statement, Apr 20, 3:40 AM EDT, 9 minutes before

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Special weather statement, Apr 20, 3:49 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
Apr 19, 8:00 PM EDT	Special Weather Statement	LMK	Bourbon, Fayette	30 min
Apr 20, 1:01 AM EDT	Special Weather Statement	LMK	Logan	44 min
Apr 20, 1:43 AM EDT	Special Weather Statement	LMK	Butler, Logan, Simpson	32 min
Apr 20, 1:50 AM EDT	Special Weather Statement	LMK	Grayson, Ohio	30 min
Apr 20, 2:10 AM EDT	Special Weather Statement	LMK	Allen, Barren, Edmonson, Hart, Warren	45 min
Apr 20, 2:17 AM EDT	Special Weather Statement	LMK	Breckinridge, Grayson	28 min
Apr 20, 2:47 AM EDT	Special Weather Statement	LMK	Barren, Green, Hart, Metcalfe, Monroe	28 min
Apr 20, 3:11 AM EDT	Special Weather Statement	LMK	Adair, Green, Metcalfe, Monroe, Taylor	29 min
Apr 20, 3:22 AM EDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe, Monroe	23 min
Apr 20, 3:29 AM EDT	Special Weather Statement	LMK	Washington	31 min
Apr 20, 3:38 AM EDT	Special Weather Statement	LMK	Boyle, Marion, Taylor	22 min
Apr 20, 3:40 AM EDT	Special Weather Statement	LMK	Clinton, Cumberland, Russell	30 min
Apr 20, 4:00 AM EDT	Special Weather Statement	LMK	Boyle, Casey, Garrard, Jessamine, Lincoln	30 min
Apr 20, 4:03 AM EDT	Special Weather Statement	LMK	Clinton, Russell	32 min
Apr 20, 4:29 AM EDT	Special Weather Statement	LMK	Garrard, Lincoln, Madison	46 min
Apr 20, 1:40 PM EDT	Special Weather Statement	LMK	Boyle, Jessamine	30 min
Apr 20, 2:25 PM EDT	Special Weather Statement	LMK	Cumberland, Russell	30 min

Nearby

Special Weather Statements in Kentucky, 2015 Every special weather statement in 2015

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.