Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

January 20, 2012Adair County, Kentucky

NWS Louisville, KY issued this special weather statement at Jan 20, 2012, 10:45 PM CST for Adair 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
Jan 20, 2012, 10:45 PM CST (04:45 UTC)
Expired
Jan 20, 2012, 11:15 PM CST
In force
30 min
Issued by
NWS Louisville, KY

County Adair County, KY

The radar

The Nashville radar (KOHX), 127 km from the middle of the area, began a volume at 04:48 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 00:00Z, 4.8 hours before the alert went out and 137 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 00:00Z on 2012-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2012-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 385 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
385 m²/s²
0-3 km storm-relative helicity
504 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 Jan 20, 9:52 PM CST, 53 minutes earlier.

Area forecast discussion, Jan 20, 9:52 PM CST, 53 minutes before
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Hazardous weather outlook, Jan 20, 5:02 PM CST, 5 hours 43 minutes before
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In the hours before

Special weather statement, Jan 20, 7:01 PM CST, 3 hours 44 minutes before
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Special weather statement, Jan 20, 9:27 PM CST, 1 hour 18 minutes before
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Special weather statement, Jan 20, 10:16 PM CST, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1116 PM EST FRI JAN 20 2012

KYZ070>072-210445-
LOGAN-SIMPSON-WARREN-
1016 PM CST FRI JAN 20 2012

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

AT 1011 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 6 MILES SOUTHEAST OF RUSSELLVILLE...AND MOVING
NORTHEAST AT 50 MPH.

OCCASIONAL LIGHTNING...HALF INCH HAIL...AND GUSTY WINDS OF AROUND 35
TO 40 MPH...ARE EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  THREE SPRINGS...
  RUSSELLVILLE...
  PLUM SPRINGS...
  MOUNT VICTOR...
  MEMPHIS JUNCTION...
  SOUTH UNION AND SALMONS...
  WOODBURN AND PETROS...
  RICH POND AND MATLOCK...
  PLANO AND WARREN COUNTY REGIONAL AIRPORT...

THIS STORM WILL AFFECT INTERSTATE 65 IN KENTUCKY BETWEEN MILE MARKERS
20 AND 30.

THIS STORM WILL AFFECT THE NATCHER PARKWAY BETWEEN MILE MARKERS 1 AND
7.

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 3665 8707 3680 8706 3714 8640 3691 8620
      3689 8627 3686 8628 3664 8681
TIME...MOT...LOC 0416Z 245DEG 42KT 3679 8675

EER
Special weather statement, Jan 20, 10:45 PM CST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1045 PM CST FRI JAN 20 2012

KYZ076>078-081-210515-
ADAIR-CUMBERLAND-METCALF-RUSSELL-
1045 PM CST FRI JAN 20 2012

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING AND DIME SIZE HAIL...

AT 1043 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 6 MILES SOUTHEAST OF EDMONTON...AND MOVING EAST
AT 50 MPH.

OCCASIONAL LIGHTNING...DIME SIZE HAIL...AND GUSTY WINDS OF AROUND 35
MPH...ARE EXPECTED WITH THIS STORM.

* THIS STORM WILL ALSO IMPACT...
  JAMESTOWN...
  EDMONTON...
  BREEDING AND COFER...
  TORIA AND SPARKSVILLE...
  INROAD AND CHANCE...
  CROCUS AND CUNDIFF...

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 3683 8560 3683 8563 3697 8568 3712 8516
      3691 8500 3687 8520 3689 8523 3687 8522
      3680 8559
TIME...MOT...LOC 0445Z 253DEG 43KT 3691 8552

EER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 10:16 PM CSTSpecial Weather StatementLMKLogan, Simpson, Warren29 min
Jan 20, 10:51 PM CSTSpecial Weather StatementLMKBarren, Simpson24 min
Jan 20, 11:45 PM CSTSpecial Weather StatementLMKAdair, Metcalfe30 min
Jan 21, 1:36 AM CSTSpecial Weather StatementLMKClinton, Cumberland, Monroe24 min
Jan 21, 2:02 AM CSTSpecial Weather StatementLMKClinton13 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.