Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

July 24, 2012Green County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 24, 2012, 5:21 PM CDT for Green County, Kentucky. It was in force for 44 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
Jul 24, 2012, 5:21 PM CDT (22:21 UTC)
Expired
Jul 24, 2012, 6:05 PM CDT
In force
44 min
Issued by
NWS Louisville, KY

County Green County, KY

The radar

The Louisville radar (KLVX), 68 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 168 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 2012-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1324 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 2012-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1324 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

341 
WWUS83 KLMK 242221
SPSLMK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
621 PM EDT TUE JUL 24 2012

KYC087-099-123-217-242305-
LARUE KY-TAYLOR KY-GREEN KY-HART KY-
521 PM CDT TUE JUL 24 2012

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...TORRENTIAL RAIN...
AND 45 MPH WINDS...

AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 9 MILES SOUTHEAST OF HODGENVILLE...AND MOVING
SOUTH AT 15 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN WITH RAINFALL
RATES OF AROUND TWO INCHES PER HOUR REDUCING VISIBILITIES TO LESS
THAN ONE HALF MILE...AND GUSTY WINDS OF AROUND 35 TO 45 MPH...ARE
EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  BADGER...
  BLOYD...
  HUDGINS AND MAC...
  ALLENDALE AND COAKLEY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS...AND AVOID USING THE
TELEPHONE UNLESS IT IS AN EMERGENCY.

&&

LAT...LON 3733 8574 3753 8573 3754 8560 3752 8557
      3727 8539
TIME...MOT...LOC 2221Z 340DEG 13KT 3746 8563

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 7:56 AM CDTSpecial Weather StatementLMKBourbon, Harrison, Nicholas29 min
Jul 24, 8:35 AM CDTSpecial Weather StatementLMKNicholas30 min
Jul 24, 12:05 PM CDTSpecial Weather StatementLMKBourbon, Fayette, Harrison, Nicholas, Scott45 min
Jul 24, 2:46 PM CDTHeat AdvisoryLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more29 hr
Jul 24, 2:58 PM CDTSpecial Weather StatementLMKBoyle32 min
Jul 24, 3:14 PM CDTSpecial Weather StatementLMKMarion31 min
Jul 24, 3:21 PM CDTSevere Thunderstorm WarningLMKBoyle, Casey, Marion29 min
Jul 24, 3:49 PM CDTSpecial Weather StatementLMKLarue31 min
Jul 24, 4:02 PM CDTSevere Thunderstorm WarningLMKLarue, Marion, Nelson33 min
Jul 24, 4:08 PM CDTAreal Flood AdvisoryLMKLarue, Marion, Nelson75 min
Jul 24, 4:16 PM CDTFlash Flood WarningLMKLarue, Marion, Nelson62 min
Jul 24, 4:35 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hancock45 min
Jul 24, 4:37 PM CDTSpecial Weather StatementLMKTaylor43 min
Jul 24, 4:46 PM CDTSpecial Weather StatementLMKMeade29 min
Jul 24, 5:09 PM CDTAreal Flood AdvisoryLMKGreen, Larue, Taylor3 hr
Jul 24, 5:14 PM CDTSpecial Weather StatementLMKHardin31 min
Jul 24, 5:43 PM CDTAreal Flood AdvisoryLMKGreen, Hardin, Hart, Larue2 hr
Jul 24, 5:45 PM CDTSpecial Weather StatementLMKHart30 min
Jul 24, 6:06 PM CDTSpecial Weather StatementLMKGreen44 min
Jul 24, 6:10 PM CDTSevere Thunderstorm WarningLMKGreen, Hardin, Hart, Larue40 min
Jul 24, 6:47 PM CDTSpecial Weather StatementLMKHart28 min
Jul 24, 3:46 PM CDTSpecial Weather StatementLMKPerry44 min
Jul 24, 4:18 PM CDTAreal Flood AdvisoryLMKPerry3 hr
Jul 24, 4:43 PM CDTFlash Flood WarningLMKPerry3 hr
Jul 24, 6:59 PM CDTSpecial Weather StatementLMKClark, Floyd31 min

Nearby

Special Weather Statements in Kentucky, 2012Every special weather statement in 2012

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.