Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

March 23, 2012Henry County, Kentucky

NWS Louisville, KY issued this special weather statement at Mar 23, 2012, 3:00 PM EDT for Henry County, Kentucky. It was in force for 30 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
Mar 23, 2012, 3:00 PM EDT (19:00 UTC)
Expired
Mar 23, 2012, 3:30 PM EDT
In force
30 min
Issued by
NWS Louisville, KY

County Henry County, KY

The radar

The Louisville radar (KLVX), 98 km from the middle of the area, began a volume at 19:00 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, 7.0 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, Cncnati-Daytn, OH at 12:00Z on 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 233 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, Cncnati-Daytn, OH at 12:00Z on 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 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
233 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1093 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
82 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 Mar 23, 1:01 PM EDT, 1 hour 59 minutes earlier.

Area forecast discussion, Mar 23, 1:01 PM EDT, 1 hour 59 minutes before
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Hazardous weather outlook, Mar 23, 11:32 AM EDT, 3 hours 28 minutes before
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In the hours before

Special weather statement, Mar 23, 1:58 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
158 PM EDT FRI MAR 23 2012

KYZ029-038-045-231830-
BULLITT-NELSON-SPENCER-
158 PM EDT FRI MAR 23 2012

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...HALF
INCH HAIL...AND 50 MPH WINDS...

AT 155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES NORTH OF BARDSTOWN...AND MOVING NORTH AT
35 MPH.

OCCASIONAL LIGHTNING...HEAVY RAINFALL...HALF INCH HAIL...AND STRONG
GUSTY WINDS OF AROUND 45 TO 50 MPH ARE ALL POSSIBLE WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  TAYLORSVILLE...
  WAKEFIELD AND SMITHVILLE...
  WATERFORD AND CRENSHAW...
  ELK CREEK AND NORMANDY...

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 3807 8517 3805 8514 3782 8537 3788 8558
      3808 8557 3808 8555 3812 8543
TIME...MOT...LOC 1757Z 200DEG 31KT 3794 8543

AL
Local storm report, Mar 23, 2:35 PM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
235 PM EDT FRI MAR 23 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0214 PM     TORNADO          FERN CREEK              38.16N  85.60W
03/23/2012                   JEFFERSON          KY   LAW ENFORCEMENT

            TORNADO TOUCHDOWN IN THE HERITAGE CREEK AREA

&&

EVENT NUMBER LMK1200463

RL
Special weather statement, Mar 23, 3:00 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
300 PM EDT FRI MAR 23 2012

KYZ033-034-231930-
HENRY-SHELBY-
300 PM EDT FRI MAR 23 2012

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

AT 256 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES NORTHEAST OF SHELBYVILLE...AND MOVING
NORTHEAST AT 25 MPH.

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

* THIS STORM WILL ALSO IMPACT...
  PLEASUREVILLE AND ELMBURG...
  DEFOE AND NORTH PLEASUREVILLE...
  BETHLEHEM...
  SLABTOWN AND FRANKLINTON...

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 3856 8500 3851 8502 3852 8499 3849 8499
      3846 8494 3847 8492 3846 8490 3844 8492
      3842 8488 3840 8488 3837 8491 3834 8499
      3834 8497 3820 8511 3829 8522 3858 8504
TIME...MOT...LOC 1900Z 216DEG 23KT 3830 8513

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 1:58 PM EDTSpecial Weather StatementLMKSpencer32 min
Mar 23, 2:18 PM EDTTornado WarningLMKJefferson27 min
Mar 23, 2:27 PM EDTTornado WarningLMKJefferson, Shelby, Spencer33 min
Mar 23, 3:30 PM EDTSpecial Weather StatementLMKTrimble30 min
Mar 23, 3:40 PM EDTTornado WarningLMKTrimble5 min
Mar 23, 3:56 PM EDTSpecial Weather StatementLMKNelson34 min
Mar 23, 6:31 PM EDTSpecial Weather StatementLMKBreckinridge29 min
Mar 23, 6:49 PM EDTSpecial Weather StatementLMKBreckinridge26 min
Mar 23, 6:50 PM EDTSevere Thunderstorm WarningLMKBreckinridge25 min
Mar 23, 7:23 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade14 min
Mar 23, 7:23 PM EDTSevere Thunderstorm WarningLMKMeade37 min
Mar 23, 7:33 PM EDTSpecial Weather StatementLMKHardin27 min
Mar 23, 7:43 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade32 min
Mar 23, 6:54 PM EDTSpecial Weather StatementLMKClark, Floyd36 min
Mar 23, 7:11 PM EDTSpecial Weather StatementLMKCrawford49 min
Mar 23, 7:55 PM EDTSevere Thunderstorm WarningLMKCrawford, Orange, Washington17 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.