Alert archive / Kentucky / Special Weather Statements in 2016

Special Weather Statement, NWS Louisville, KY

August 29, 2016Henry County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 29, 2016, 3:20 PM EDT for Henry County, Kentucky. It was in force for 40 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
Aug 29, 2016, 3:20 PM EDT (19:20 UTC)
Expired
Aug 29, 2016, 4:00 PM EDT
In force
40 min
Issued by
NWS Louisville, KY

County Henry County, KY

The radar

The Louisville radar (KLVX), 105 km from the middle of the area, began a volume at 19:21 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, 7.3 hours before the alert went out and 297 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 2016-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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 2016-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
305 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
24 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 Aug 29, 2:52 PM EDT, 28 minutes earlier.

Area forecast discussion, Aug 29, 2:52 PM EDT, 28 minutes before
Area Forecast Discussion
National Weather Service Louisville KY
252 PM EDT MON AUG 29 2016

.SHORT TERM (Now through Tuesday Night)...
Issued at 245 PM EDT Mon Aug 29 2016

Strong upper ridge over the region looks to keep the forecast mainly
dry through Tues night.  The exception will be this afternoon when a
few isld showers/storms are expected and have begun to develop as of
1830Z.  Still expect coverage to be minimal and storm strength
relatively weak.  If a strong storm does develop, the greatest
threats would be strong wind gusts and brief heavy downpours.

Temperatures will remain in the upper 80s/lower 90s for highs Tues
with lows in the upper 60s/lower 70s both tonight and Tues night.

.LONG TERM (Wednesday through Monday)...
Issued at 250 PM EDT Mon Aug 29 2016

Wednesday - Saturday...

The long awaited relief to the hot, muggy airmass is on the way.  A
cold front will arrive Wed night.  Ahead of the front,
showers/storms are expected Wed.  Southern Indiana and north central
KY will stand the best chance (30-40%) at seeing convection Wed
before the front weakens and instability diminishes Wed night.  No
severe wx is expected Wed attm.  Wed high temps may be a bit tricky
based on timing of the fropa and cloud/precip coverage.  For now
will go with a range from the mid 80s over southern IN to the lower
90s over south central KY. Wed night lows will be in the 60s.

Pleasant, dry weather is expected through Sat with an upper trough
and sfc high pressure over the region.  High temps will drop back
into the upper 70s/lower 80s for the second half of the week with
low temps in the upper 50s/lower 60s.

Sunday - Monday...

An upper level ridge will work back into the region for the
beginning of next week resulting in increasing temps and humidity
levels again.  Right now, highs look to creep back into the upper
80s for the beginning of next week.  Will continue a dry forecast
with no noticeable triggers in model data to initiate showers/storms.

&&

.AVIATION (18Z TAF Update)...
Issued at 1246 PM EDT Mon Aug 29 2016

The main issue for the TAFs this afternoon will be whether any
storms affect the terminals. The latest short term model guidance
suggests that coverage of storms will be fairly isolated this
afternoon. The best chance may be at BWG as a few storms fired not
far to the north of there this morning along an old boundary.
However, given the low coverage expected, have removed VCTS from the
TAFs for this afternoon. Otherwise, mainly VFR conditions are
expected with light northeasterly winds. BWG may also have a brief
period of light fog tomorrow morning.

&&

.LMK Watches/Warnings/Advisories...
KY...NONE.
IN...NONE.
&&

Short Term........AMS
Long Term.........AMS
Aviation..........EER
Hazardous weather outlook, Aug 29, 2:57 PM EDT, 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
257 PM EDT MON AUG 29 2016

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-301900-
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
257 PM EDT MON AUG 29 2016 /157 PM CDT MON AUG 29 2016/

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

.DAY ONE...TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING.
THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING TORRENTIAL
RAINFALL AND LOCALLY GUSTY WINDS.

HEAT INDICES WILL BE NEAR 100 DEGREES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ISOLATED TO SCATTERED THUNDERSTORMS ARE FORECAST WEDNESDAY...MAINLY
OVER SOUTHERN INDIANA AND NORTH CENTRAL KENTUCKY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

AMS

In the hours before

Local storm report, Aug 29, 10:20 AM EDT, 5 hours before
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Local storm report, Aug 29, 10:22 AM EDT, 4 hours 58 minutes before
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Local storm report, Aug 29, 10:31 AM EDT, 4 hours 49 minutes before
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Local storm report, Aug 29, 11:19 AM EDT, 4 hours 1 minute before
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Local storm report, Aug 29, 1:34 PM EDT, 1 hour 46 minutes before
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Special weather statement, Aug 29, 3:20 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
320 PM EDT MON AUG 29 2016

KYZ033-035-036-292000-
FRANKLIN-HENRY-SCOTT-
320 PM EDT MON AUG 29 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN HENRY...
NORTHEASTERN FRANKLIN AND NORTHWESTERN SCOTT COUNTIES...

AT 320 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES SOUTH OF
OWENTON...MOVING SOUTHWEST AT 10 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
STAMPING GROUND...SADIEVILLE...GEST...FRANKLINTON...JOSEPHINE...
FALLIS...BETHLEHEM...LOCKPORT...BIDDLE AND LONGLICK.

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 3849 8499 3846 8495 3843 8496 3846 8493
      3846 8492 3845 8491 3844 8493 3842 8488
      3838 8490 3834 8479 3837 8471 3846 8460
      3841 8450 3819 8476 3833 8496 3845 8517
      3852 8498
TIME...MOT...LOC 1920Z 054DEG 10KT 3843 8483

RJS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 5:30 PM EDTSpecial Weather StatementLMKTaylor30 min
Aug 29, 5:32 PM EDTSpecial Weather StatementLMKLincoln28 min
Aug 29, 5:50 PM EDTSpecial Weather StatementLMKMercer25 min
Aug 29, 5:53 PM EDTSpecial Weather StatementLMKLarue37 min
Aug 29, 5:56 PM EDTSpecial Weather StatementLMKTaylor34 min
Aug 29, 6:01 PM EDTSevere Thunderstorm WarningLMKGreen, Hart, Larue, Taylor17 min
Aug 29, 6:30 PM EDTSpecial Weather StatementLMKCasey30 min
Aug 29, 6:48 PM EDTSpecial Weather StatementLMKBoyle27 min
Aug 29, 6:51 PM EDTSpecial Weather StatementLMKClinton24 min
Aug 29, 7:04 PM EDTSpecial Weather StatementLMKMadison26 min
Aug 28, 8:15 PM EDTSpecial Weather StatementLMKOrange45 min

Nearby

Special Weather Statements in Kentucky, 2016Every special weather statement 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.