Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 68, NWS Louisville, KY

May 14, 2010Adair County, Casey County, Russell County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 14, 2010, 2:20 PM CDT for Adair County, Casey County, Russell County, Kentucky. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 14, 2010, 2:20 PM CDT (19:20 UTC)
Expired
May 14, 2010, 3:00 PM CDT
In force
40 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Adair County, KY, Casey County, KY, Russell County, KY

The radar

The Louisville radar (KLVX), 120 km from the middle of the area, began a volume at 19:24 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 14, 11:34 AM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.3 hours before the alert went out and 175 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 2010-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2636 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 2010-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
2636 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 14, 2:19 PM CDT, 1 minute earlier.

Area forecast discussion, May 14, 2:19 PM CDT, 1 minute before
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Hazardous weather outlook, May 14, 9:40 AM CDT, 4 hours 40 minutes before
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In the hours before

Special weather statement, May 14, 8:43 AM CDT, 5 hours 37 minutes before
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Special weather statement, May 14, 1:24 PM CDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
224 PM EDT FRI MAY 14 2010

KYZ066-141845-
CASEY-
224 PM EDT FRI MAY 14 2010

...THUNDERSTORM WITH LIGHTNING...HEAVY RAIN...AND UP TO PENNY SIZE
HAIL IN SOUTHERN CASEY COUNTY...

AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
THUNDERSTORM 10 MILES SOUTH OF LIBERTY...AND MOVING EAST AT 25 MPH.

CLOUD TO GROUND LIGHTNING...HEAVY RAIN WITH RAINFALL RATES OF AROUND
ONE INCH PER HOUR...AND HAIL UP TO PENNY SIZE ARE EXPECTED WITH THIS
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INDOORS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3719 8504 3733 8473 3732 8472 3729 8472
      3727 8474 3724 8473 3712 8491 3712 8492
      3711 8497
TIME...MOT...LOC 1822Z 250DEG 24KT 3718 8496

TWF
Special weather statement, May 14, 2:13 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
313 PM EDT FRI MAY 14 2010

KYZ066-077-078-142000-
ADAIR-CASEY-RUSSELL-
313 PM EDT FRI MAY 14 2010

...STRONG THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...PENNY
SIZE HAIL...AND STRONG WINDS...

AT 210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 9 MILES NORTHWEST OF JAMESTOWN...AND MOVING EAST
AT 20 MPH.

CONTINUOUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN WITH RAINFALL RATES
OF AROUND ONE INCH PER HOUR REDUCING VISIBILITIES TO LESS THAN ONE
MILE...PENNY SIZE HAIL...AND STRONG GUSTY WINDS OF AROUND 45 TO 50
MPH...ARE EXPECTED WITH THIS STORM.

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 3704 8518 3718 8526 3738 8477 3729 8472
      3727 8474 3724 8473 3711 8492
TIME...MOT...LOC 1913Z 251DEG 17KT 3712 8512

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 6:22 AM CDTSpecial Weather StatementLMKWarren23 min
May 14, 6:53 AM CDTSpecial Weather StatementLMKAllen, Barren52 min
May 14, 7:06 AM CDTSevere Thunderstorm WarningLMKAllen, Barren, Monroe24 min
May 14, 7:27 AM CDTSpecial Weather StatementLMKLogan33 min
May 14, 7:59 AM CDTSpecial Weather StatementLMKMetcalfe31 min
May 14, 8:08 AM CDTSevere Thunderstorm WarningLMKAdair, Cumberland, Metcalfe37 min
May 14, 8:12 AM CDTSpecial Weather StatementLMKMonroe33 min
May 14, 8:43 AM CDTSpecial Weather StatementLMKRussell32 min
May 14, 1:15 PM CDTAreal Flood AdvisoryLMKClinton, Cumberland, Monroe3 hr
May 14, 1:19 PM CDTSevere Thunderstorm WarningLMKCumberland, Monroe26 min
May 14, 1:24 PM CDTSpecial Weather StatementLMKCasey21 min
May 14, 2:13 PM CDTSpecial Weather StatementLMKCasey47 min
May 14, 3:08 PM CDTSevere Thunderstorm WarningLMKBoyle, Casey, Garrard, Lincoln19 min
May 14, 3:26 PM CDTAreal Flood AdvisoryLMKRussell3 hr
May 14, 3:47 PM CDTSpecial Weather StatementLMKClinton28 min
May 14, 4:08 PM CDTSpecial Weather StatementLMKClinton, Russell37 min
May 14, 4:55 PM CDTSpecial Weather StatementLMKBoyle35 min
May 14, 5:56 PM CDTSpecial Weather StatementLMKNicholas34 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2010Every severe thunderstorm warning in 2010

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.