Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

July 16, 2012Spencer County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 16, 2012, 3:08 PM EDT for Spencer County, Kentucky. It was in force for 27 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 16, 2012, 3:08 PM EDT (19:08 UTC)
Expired
Jul 16, 2012, 3:35 PM EDT
In force
27 min
Issued by
NWS Louisville, KY

County Spencer County, KY

The radar

The Louisville radar (KLVX), 44 km from the middle of the area, began a volume at 19:10 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 216 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, Cncnati-Daytn, OH at 12:00Z on 2012-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.193958Sfc1 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
696 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
1 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.

054 
WWUS83 KLMK 161908
SPSLMK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
308 PM EDT MON JUL 16 2012

KYC179-215-161935-
NELSON KY-SPENCER KY-
308 PM EDT MON JUL 16 2012

...STRONG THUNDERSTORM WITH OCCASIONAL LIGHTNING...BRIEF HEAVY 
RAIN...AND 40 MPH WINDS SLOWLY MOVING EAST ACROSS WESTERN SPENCER 
COUNTY ...

AT 301 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES SOUTHWEST OF TAYLORSVILLE...AND MOVING
EAST AT 15 MPH.

OCCASIONAL LIGHTNING...BRIEF HEAVY RAIN...AND GUSTY WINDS OF 
AROUND 35 TO 40 MPH...ARE EXPECTED WITH THIS STORM.

WITH THIS STORM...GUSTY WINDS WILL MOVE AWAY FROM THE STORM AND WILL 
PRECEDE ANY RAINFALL.

* THIS STORM WILL ALSO IMPACT...
  TAYLORSVILLE...
  FAIRFIELD...
  BLOOMFIELD AND WAKEFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...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 3803 8524 3781 8533 3787 8556 3795 8554
      3795 8553 3797 8553 3799 8549 3801 8551
      3806 8549
TIME...MOT...LOC 1906Z 282DEG 12KT 3794 8542

$$

JSD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 3:18 PM EDTSpecial Weather StatementLMKBullitt27 min
Jul 16, 5:13 PM EDTSpecial Weather StatementLMKWarren27 min
Jul 16, 5:22 PM EDTSpecial Weather StatementLMKGrayson28 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.