Alert archive / Kentucky / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 24, NWS Paducah, KY

February 5, 2008Daviess County, Henderson County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Feb 5, 2008, 5:45 AM CST for Daviess County, Henderson County, Kentucky. It was in force for 45 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
Feb 5, 2008, 5:45 AM CST (11:45 UTC)
Expired
Feb 5, 2008, 6:30 AM CST
In force
45 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Daviess County, KY, Henderson County, KY

The radar

The Evansville,IN radar (KVWX), 65 km from the middle of the area, began a volume at 11:48 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, 11.8 hours before the alert went out and 193 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 2008-02-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 500 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 00:00Z on 2008-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 350 square meters per square second.1939587897Sfc1 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
500 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
350 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.7

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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 5, 3:19 AM CST, 2 hours 26 minutes earlier.

Area forecast discussion, Feb 5, 3:19 AM CST, 2 hours 26 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PADUCAH KY
319 AM CST TUE FEB 5 2008

.DISCUSSION...

SO MUCH TO TALK ABOUT...SO LITTLE TIME. MAIN CONCERN WITH THIS
PACKAGE WILL BE THE THREAT FOR FLOODING AND SEVERE WEATHER OVER THE
NEXT 24 HOURS OR SO.

AT 08Z A QUASI-STATIONARY FRONT EXTENDED SOUTHWESTWARD FROM NEAR
CHICAGO IL TO ST LOUIS MO TO SPRINGFIELD IL. RADAR/SAT PIX SHOWING A
LINE OF CONVECTION GENERALLY ALONG AND NORTH OF THE BOUNDARY. WITH
SOUTHWEST FLOW ALOFT...THE BOUNDARY AND ASSOCIATED CONVECTION IS
MAKING VERY SLOW PROGRESS TO THE SOUTH AND EAST.

CURRENT INDICATIONS ARE THAT IT WILL DRIFT INTO THE EXTREME NORTHERN
AND WESTERN SECTIONS OF OUR CWA THIS MORNING AND BECOME STATIONARY
AS A SURFACE LOW DEVELOPS OVER THE SOUTHERN PLAINS. IN THE MEANTIME
...DEEP MOISTURE WILL CONTINUE TO BE ADVECTED ACROSS THE AREA. THE
COMBINATION OF THE MOISTURE AND ITS INTERACTION WITH THE FRONT WILL
SET THE STAGE FOR TRAINING CONVECTION...ESPECIALLY ACROSS THE
AFOREMENTIONED AREA. HAVE ISSUED AN FFA THERE...IN EFFECT FROM 12Z
THIS MORNING UNTIL MIDNIGHT (06Z WEDNESDAY). AN FFA MAY HAVE TO BE
ISSUED FOR AREAS FURTHER SOUTH AND EAST...BUT WILL LET THE DAY SHIFT
DEAL WITH THAT. CURRENT THINKING IS THAT AS THE SURFACE LOW DEVELOPS
AND LIFTS NORTHEAST IT WILL PREVENT ANY SOUTHWARD MOVEMENT OF THE
FRONT THUS LIMITING THE BEST CHANCES FOR HEAVY PRECIP TO THE SAME
AREAS.

OF GREATER IMPORTANCE IS THE THREAT OF SEVERE WEATHER FROM LATE THIS
AFTERNOON THROUGH THE EARLY MORNING HOURS ON WEDNESDAY. STARTING
LATE THIS AFTERNOON THE AFOREMENTIONED DEEPENING SURFACE LOW AND
ATTENDANT COLD FRONT WILL CROSS OUR CWA. THIS COMBINED WITH
IMPRESSIVE WIND FIELDS INCLUDING BOTH DIRECTIONAL AND SPEED
SHEAR...ABOVE NORMAL TEMPERATURES/DEWPOINTS...MID LEVEL LAPSE RATES
OF >7 C/KM...CAPE OF >1000 J/KG..AND LIFTED INDICES OF -3 TO -4...A
SIGNIFICANT SEVERE WEATHER OUTBREAK IS A GOOD BET. THE EVOLUTION OF
THIS CONVECTIVE EVENT IS STILL A BIT UNCERTAIN...BUT DAMAGING WINDS
AND LARGE HAIL APPEAR TO BE THE GREATEST THREATS...BUT THERE IS A
DISTINCT POSSIBILITY OF TORNADIC STORMS CAPABLE OF PRODUCING LONG
TRACK TORNADOES. THIS IS A SERIOUS SEVERE WEATHER SITUATION AND
BEARS CLOSE MONITORING.

CONVECTION SHUTS DOWN OVERNIGHT FROM WEST TO EAST AS THE SYSTEM
MOVES QUICKLY OFF TO THE EAST. OVER ALL BUT OUR SOUTHEAST MISSOURI
COUNTIES THERE IS A DECENT CHANCE FOR LIGHT PRECIP ON WEDNESDAY IN
THE WRAP AROUND MOISTURE. AS COLDER AIR POURS IN...WENT WITH A
SPRINKLE/FLURRY MIX OVER ALL BUT THE EXTREME EASTERN SECTIONS WHERE
WE KEPT IT ALL LIQUID -RA/-DZ.

WEAK SYSTEM CROSSES THE REGION ON THURSDAY IN FAST FLOW BUT WITH
LACK OF MOISTURE AND DYNAMICS...JUST KEPT POPS (-RA) OVER THE FAR
NORTHERN AND WESTERN COUNTIES...BUT NOT THAT CONFIDENT IT WILL
HAPPEN.

MADE NO CHANGES BEYOND THURSDAY NIGHT. EXPECT TO BREAK RECORD HIGH
TEMPERATURES ALL OVER THE CWA TODAY.

.AVIATION...
GUSTY SOUTH WINDS AND THUNDERSTORMS WILL BE THE PRIMARY CONCERNS.
SURFACE COLD FRONT WILL SAG SOUTH...THEN BECOME STATIONARY JUST TO
THE NORTH OF THE TAF SITES. AS THE FRONT APPROACHES...SHOWERS AND
STORMS WILL INCREASE THIS MORNING. A LOW PRESSURE WAVE WILL MOVE
NORTHEAST ALONG THE FRONT THIS EVENING...BRINGING WIDESPREAD STRONG
TO SEVERE STORMS. DAMAGING WINDS ARE POSSIBLE WITH STORMS LATE THIS
AFTERNOON AND EVENING. MAIN CONCERN WITH STORMS THIS MORNING WILL BE
IFR/MVFR CONDITIONS IN HEAVY RAIN.

&&

PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
MO...FLOOD WATCH IN EFFECT FROM 6 AM CST UNTIL MIDNIGHT FOR
     PERRY...CAPE GIRARDEAU...BOLLINGER...WAYNE...AND CARTER
     COUNTIES.
IL...FLOOD WATCH IN EFFECT FROM 6 AM CST UNTIL MIDNIGHT FOR
     JACKSON...PERRY...JEFFERSON...FRANKLIN...WAYNE...HAMILTON...
     EDWARDS...AND WABASH COUNTIES.
IN...NONE.

PUBLIC...JP
AVIATION...MY
Hazardous weather outlook, Feb 5, 4:19 AM CST, 1 hour 26 minutes before
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In the hours before

Special weather statement, Feb 5, 5:33 AM CST, 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
533 AM CST TUE FEB 5 2008

ILZ076>078-083-087-091-INZ081-082-085>088-KYZ014-015-018-019-051230-
DAVIESS KY-EDWARDS IL-GALLATIN IL-GIBSON IN-HARDIN IL-HENDERSON KY-
PIKE IN-POSEY IN-SPENCER IN-UNION KY-VANDERBURGH IN-WABASH IL-
WARRICK IN-WAYNE IL-WEBSTER KY-WHITE IL-
533 AM CST TUE FEB 5 2008

...STRONG THUNDERSTORMS MOVING THROUGH THE EVANSVILLE TRI STATE
AREA...

AT 530 AM...STRONG THUNDERSTORMS EXTENDED FROM EVANSVILLE SOUTHWEST
ALONG THE OHIO RIVER TO POPE COUNTY ILLINOIS. SOME OF THESE STORMS
CONTAINED SMALL HAIL AND GUSTY WINDS. VERY HEAVY RAIN IN SOME OF
THESE STORMS WAS LIKELY CAUSING MINOR FLOODING OF ROADS.

THE STORMS WERE MOVING RAPIDLY EAST AT 40 MPH. THE STORMS WILL
AFFECT HENDERSON AND OWENSBORO THROUGH 8 AM.

BE PREPARED FOR TORRENTIAL RAIN...SMALL HAIL...AND GUSTY WINDS IN
THE PATH OF THESE STORMS.

MY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 5, 3:56 AM CSTFlash Flood WatchPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 10 more20 hr
Feb 5, 8:42 AM CSTFlash Flood WarningPAHGallatin, Saline, White4 hr
Feb 5, 11:47 AM CSTRiver Flood WarningPAHWayne, White22 hr
Feb 5, 5:17 PM CSTSevere Thunderstorm WarningPAHCalloway, Graves43 min
Feb 5, 5:47 PM CSTSevere Thunderstorm WarningPAHCalloway, Graves, Marshall43 min
Feb 5, 5:56 PM CSTTornado WarningPAHCalloway, Graves49 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2008Every severe thunderstorm warning in 2008

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.