Alert archive / Kentucky / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 318, NWS Louisville, KY

August 28, 2016Grayson County, Hardin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Aug 28, 2016, 6:19 PM CDT for Grayson County, Hardin County, Kentucky. It was in force for 26 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
Aug 28, 2016, 6:19 PM CDT (23:19 UTC)
Expired
Aug 28, 2016, 6:45 PM CDT
In force
26 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Grayson County, KY, Hardin County, KY

The radar

The Louisville radar (KLVX), 48 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 166 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 2016-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1228 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 2016-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939Sfc1 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
1228 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 28, 5:33 PM CDT, 46 minutes earlier.

Area forecast discussion, Aug 28, 5:33 PM CDT, 46 minutes before
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Hazardous weather outlook, Aug 28, 2:42 PM CDT, 3 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
342 PM EDT SUN AUG 28 2016

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-291945-
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...ALBANY
342 PM EDT SUN AUG 28 2016 /242 PM CDT SUN AUG 28 2016/

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

.DAY ONE...TONIGHT.

ISOLATED TO SCATTERED STORMS ARE EXPECTED TO CONTINUE THIS
EVENING ESPECIALLY EAST OF INTERSTATE 65. ISOLATED INSTANCES OF
DAMAGING WINDS...SMALL HAIL...AND VERY HEAVY RAINFALL CAUSING
MINOR FLOODING WILL BE THE GREATEST THREATS WITH THE STRONGEST
STORMS.

OUTSIDE OF STORMS...HOT AND HUMID CONDITIONS WILL CONTINUE WITH HEAT
INDICES AROUND 100 THROUGH EARLY EVENING.

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

ISOLATED TO SCATTERED THUNDERSTORMS ARE FORECAST MONDAY AND
WEDNESDAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS.
AFTERNOON HEAT INDICES WILL REACH AROUND 100 DEGREES MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO REPORT ANY STRONG WINDS OR WIND DAMAGE AS
WELL AS MINOR FLOODING THIS EVENING.

AMS

In the hours before

Special weather statement, Aug 28, 5:44 PM CDT, 35 minutes before
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Special weather statement, Aug 28, 5:48 PM CDT, 31 minutes before
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Special weather statement, Aug 28, 5:49 PM CDT, 30 minutes before
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Special weather statement, Aug 28, 6:02 PM CDT, 17 minutes before
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Special weather statement, Aug 28, 6:14 PM CDT, 5 minutes before
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Special weather statement, Aug 28, 6:16 PM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 7:03 PM CDTSpecial Weather StatementLMKTaylor27 min
Aug 27, 7:27 PM CDTSpecial Weather StatementLMKClinton, Russell33 min
Aug 28, 1:15 PM CDTSpecial Weather StatementLMKBourbon, Fayette30 min
Aug 28, 1:43 PM CDTSevere Thunderstorm WarningLMKFayette32 min
Aug 28, 1:50 PM CDTSpecial Weather StatementLMKBourbon, Scott25 min
Aug 28, 1:58 PM CDTFlash Flood WarningLMKBourbon, Fayette3 hr
Aug 28, 2:10 PM CDTSevere Thunderstorm WarningLMKFayette, Jessamine, Scott, Woodford35 min
Aug 28, 2:27 PM CDTSpecial Weather StatementLMKScott33 min
Aug 28, 2:33 PM CDTSpecial Weather StatementLMKClark27 min
Aug 28, 2:36 PM CDTSevere Thunderstorm WarningLMKHarrison, Scott24 min
Aug 28, 2:40 PM CDTSpecial Weather StatementLMKMercer, Woodford35 min
Aug 28, 3:10 PM CDTSpecial Weather StatementLMKAnderson, Franklin35 min
Aug 28, 3:18 PM CDTSpecial Weather StatementLMKCumberland, Monroe27 min
Aug 28, 3:19 PM CDTSpecial Weather StatementLMKMadison26 min
Aug 28, 3:26 PM CDTSpecial Weather StatementLMKNicholas34 min
Aug 28, 3:38 PM CDTSevere Thunderstorm WarningLMKGarrard, Madison23 min
Aug 28, 3:43 PM CDTFlash Flood WarningLMKMadison3 hr
Aug 28, 3:48 PM CDTSpecial Weather StatementLMKWashington27 min
Aug 28, 3:58 PM CDTSpecial Weather StatementLMKGarrard, Lincoln32 min
Aug 28, 4:08 PM CDTAreal Flood AdvisoryLMKNicholas2 hr
Aug 28, 4:11 PM CDTSpecial Weather StatementLMKWashington34 min
Aug 28, 4:13 PM CDTSevere Thunderstorm WarningLMKJefferson, Oldham32 min
Aug 28, 4:31 PM CDTSpecial Weather StatementLMKGarrard, Lincoln, Madison29 min
Aug 28, 4:33 PM CDTSpecial Weather StatementLMKTrimble27 min
Aug 28, 4:38 PM CDTSpecial Weather StatementLMKMarion, Taylor37 min
Aug 28, 4:48 PM CDTSpecial Weather StatementLMKBullitt, Jefferson, Nelson27 min
Aug 28, 5:04 PM CDTAreal Flood AdvisoryLMKBoyle, Casey, Garrard, Lincoln, Madison3 hr
Aug 28, 5:14 PM CDTSevere Thunderstorm WarningLMKCasey, Russell31 min
Aug 28, 5:37 PM CDTFlash Flood WarningLMKCasey, Lincoln3 hr
Aug 28, 5:44 PM CDTSpecial Weather StatementLMKAdair, Clinton, Green, Russell31 min
Aug 28, 6:02 PM CDTSpecial Weather StatementLMKWarren28 min
Aug 28, 6:16 PM CDTSpecial Weather StatementLMKGreen, Hart29 min
Aug 28, 6:28 PM CDTSpecial Weather StatementLMKCumberland, Monroe47 min
Aug 28, 6:46 PM CDTSpecial Weather StatementLMKHart29 min
Aug 28, 5:11 PM CDTSpecial Weather StatementLMKClark, Jefferson, Scott34 min
Aug 28, 5:14 PM CDTSpecial Weather StatementLMKFloyd31 min
Aug 28, 5:48 PM CDTSpecial Weather StatementLMKJefferson42 min
Aug 28, 5:49 PM CDTSpecial Weather StatementLMKHarrison, Washington26 min
Aug 28, 6:14 PM CDTSpecial Weather StatementLMKCrawford, Harrison, Orange, Washington31 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2016Every severe thunderstorm warning in 2016

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.