Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

July 18, 2012Clinton County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 18, 2012, 9:41 AM CDT for Clinton 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 18, 2012, 9:41 AM CDT (14:41 UTC)
Expired
Jul 18, 2012, 10:25 AM CDT
In force
44 min
Issued by
NWS Louisville, KY

County Clinton County, KY

The radar

The Nashville radar (KOHX), 143 km from the middle of the area, began a volume at 14:44 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, 2.7 hours before the alert went out and 151 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 2012-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2917 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 2012-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
2917 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 18, 5:43 AM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jul 18, 5:43 AM CDT, 3 hours 58 minutes before
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Hazardous weather outlook, Jul 18, 2:56 AM CDT, 6 hours 45 minutes before
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In the hours before

Special weather statement, Jul 18, 8:39 AM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
939 AM EDT WED JUL 18 2012

KYC017-181-181425-
NICHOLAS KY-BOURBON KY-
939 AM EDT WED JUL 18 2012

...STRONG THUNDERSTORMS WITH DANGEROUS LIGHTNING...HEAVY RAIN...AND
40 MPH WINDS...

AT 937 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF
CARLISLE TO 8 MILES NORTHEAST OF CARLISLE...AND MOVING SOUTHEAST AT 5
MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY RAIN WITH RAINFALL RATES
OF AROUND ONE INCH PER HOUR REDUCING VISIBILITIES TO LESS THAN ONE
MILE...AND GUSTY WINDS OF AROUND 35 TO 45 MPH...ARE EXPECTED WITH
THESE STORMS.

* THESE STORMS WILL ALSO IMPACT...
  CARLISLE...
  MILLERSBURG...
  MYERS...
  MILLTOWN...
  BLACKS CROSSROADS...

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 3825 8390 3824 8415 3837 8420 3839 8418
      3843 8394 3838 8391 3837 8391 3837 8388
      3833 8384 3831 8383
TIME...MOT...LOC 1339Z 316DEG 6KT 3836 8411 3837 8390

RS
Special weather statement, Jul 18, 9:41 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1041 AM EDT WED JUL 18 2012

KYC053-057-181525-
CUMBERLAND KY-CLINTON KY-
941 AM CDT WED JUL 18 2012

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...AND 40
MPH WINDS...

AT 940 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES NORTHWEST OF ALBANY...AND MOVING EAST AT
10 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY RAIN WITH RAINFALL RATES
OF AROUND ONE INCH PER HOUR REDUCING VISIBILITIES TO LESS THAN ONE
MILE...AND GUSTY WINDS OF AROUND 35 TO 40 MPH...ARE EXPECTED WITH
THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  ALBANY...
  SEVENTY SIX...
  SNOW...
  UPCHURCH...
  MARLOW AND CANNONS MILL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING. EXPECT PONDING OF WATER ON LOCAL
ROADWAYS. DRIVERS SHOULD SLOW DOWN AND TURN ON THEIR HEADLIGHTS IF
ENCOUNTERING HEAVY RAINS.

&&

LAT...LON 3668 8531 3683 8527 3684 8514 3683 8511
      3685 8508 3685 8506 3683 8506 3680 8501
      3676 8500 3671 8502 3666 8499 3664 8500
TIME...MOT...LOC 1442Z 273DEG 8KT 3676 8518

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 12:25 AM CDTSpecial Weather StatementLMKScott30 min
Jul 18, 2:26 AM CDTHeat AdvisoryLMKBreckinridge, Bullitt, Grayson, Hancock, Hardin, Jefferson and 4 more17 hr
Jul 18, 8:39 AM CDTSpecial Weather StatementLMKNicholas46 min
Jul 18, 8:57 AM CDTAreal Flood AdvisoryLMKNicholas104 min
Jul 18, 12:27 PM CDTSpecial Weather StatementLMKRussell28 min
Jul 18, 12:59 PM CDTAreal Flood AdvisoryLMKAdair, Russell86 min
Jul 18, 1:12 PM CDTSevere Thunderstorm WarningLMKRussell28 min
Jul 18, 2:54 PM CDTSpecial Weather StatementLMKMadison31 min
Jul 18, 3:04 PM CDTSevere Thunderstorm WarningLMKMadison31 min
Jul 18, 3:05 PM CDTSpecial Weather StatementLMKWashington30 min
Jul 18, 3:07 PM CDTSpecial Weather StatementLMKWashington28 min
Jul 18, 3:18 PM CDTSpecial Weather StatementLMKOldham32 min
Jul 18, 3:25 PM CDTSpecial Weather StatementLMKLarue30 min
Jul 18, 3:33 PM CDTSevere Thunderstorm WarningLMKClark, Fayette, Jessamine, Madison42 min
Jul 18, 3:40 PM CDTSpecial Weather StatementLMKJefferson, Oldham30 min
Jul 18, 3:43 PM CDTFlash Flood WarningLMKMadison3 hr
Jul 18, 3:45 PM CDTSevere Thunderstorm WarningLMKJefferson30 min
Jul 18, 3:57 PM CDTSpecial Weather StatementLMKHarrison, Nicholas28 min
Jul 18, 3:59 PM CDTSpecial Weather StatementLMKBourbon, Clark46 min
Jul 18, 4:02 PM CDTSpecial Weather StatementLMKGrayson43 min
Jul 18, 4:26 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade29 min
Jul 18, 4:33 PM CDTAreal Flood AdvisoryLMKBourbon, Clark, Fayette117 min
Jul 18, 4:39 PM CDTSevere Thunderstorm WarningLMKBourbon, Harrison, Nicholas46 min
Jul 18, 4:58 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hardin32 min
Jul 18, 5:05 PM CDTSevere Thunderstorm WarningLMKBourbon, Nicholas40 min
Jul 18, 5:08 PM CDTAreal Flood AdvisoryLMKBourbon, Harrison, Nicholas3 hr
Jul 18, 5:13 PM CDTSpecial Weather StatementLMKFranklin, Scott62 min
Jul 18, 5:21 PM CDTSpecial Weather StatementLMKBullitt29 min
Jul 18, 5:23 PM CDTSpecial Weather StatementLMKBarren47 min
Jul 18, 5:24 PM CDTSevere Thunderstorm WarningLMKBullitt, Nelson31 min
Jul 18, 5:29 PM CDTSevere Thunderstorm WarningLMKScott41 min
Jul 18, 5:38 PM CDTSpecial Weather StatementLMKAnderson, Fayette, Woodford42 min
Jul 18, 5:42 PM CDTSevere Thunderstorm WarningLMKFranklin, Scott, Woodford38 min
Jul 18, 5:45 PM CDTSevere Thunderstorm WarningLMKBarren30 min
Jul 18, 5:51 PM CDTSpecial Weather StatementLMKLarue29 min
Jul 18, 6:00 PM CDTSpecial Weather StatementLMKHart45 min
Jul 18, 6:09 PM CDTSpecial Weather StatementLMKBoyle, Garrard, Jessamine, Madison, Mercer61 min
Jul 18, 6:13 PM CDTSevere Thunderstorm WarningLMKLarue32 min
Jul 18, 6:19 PM CDTSevere Thunderstorm WarningLMKFayette, Garrard, Jessamine, Madison, Mercer, Woodford31 min
Jul 18, 6:49 PM CDTSpecial Weather StatementLMKBoyle, Casey, Lincoln, Taylor31 min
Jul 18, 6:50 PM CDTSpecial Weather StatementLMKHart60 min
Jul 18, 6:55 PM CDTAreal Flood AdvisoryLMKHart3 hr
Jul 18, 4:01 PM CDTSpecial Weather StatementLMKScott, Washington44 min
Jul 18, 4:19 PM CDTSevere Thunderstorm WarningLMKWashington31 min
Jul 18, 4:55 PM CDTSpecial Weather StatementLMKFloyd30 min
Jul 18, 5:03 PM CDTSevere Thunderstorm WarningLMKClark, Floyd, Harrison, Washington32 min
Jul 18, 5:43 PM CDTSpecial Weather StatementLMKFloyd, Harrison27 min
Jul 18, 5:55 PM CDTSpecial Weather StatementLMKOrange25 min
Jul 18, 6:32 PM CDTAreal Flood AdvisoryLMKPerry88 min
Jul 18, 6:44 PM CDTFlash Flood WarningLMKPerry116 min
Jul 18, 6:52 PM CDTSpecial Weather StatementLMKPerry28 min
Jul 18, 6:56 PM CDTSevere Thunderstorm WarningLMKPerry29 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.