Alert archive / Missouri / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 183, NWS Paducah, KY

June 20, 2008Carter County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Jun 20, 2008, 4:53 PM CDT for Carter County, Missouri. It was in force for 37 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
Jun 20, 2008, 4:53 PM CDT (21:53 UTC)
Expired
Jun 20, 2008, 5:30 PM CDT
In force
37 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Carter County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 252 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, Springfield, MO at 12:00Z on 2008-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 469 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, Springfield, MO at 12:00Z on 2008-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
469 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Jun 20, 3:00 PM CDT, 1 hour 53 minutes earlier.

Area forecast discussion, Jun 20, 3:00 PM CDT, 1 hour 53 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE PADUCAH KY
300 PM CDT FRI JUN 20 2008

.DISCUSSION...
MAIN CONCERN THIS FORECAST PACKAGE IS CHANCE FOR SHOWERS AND
THUNDERSTORMS THROUGH SUNDAY...THEN AGAIN STARTING TUESDAY NIGHT.

MID-LEVEL WAVE RESPONSIBLE FOR THE WIDESPREAD SHOWER AND ISOLATED
THUNDERSTORM ACTIVITY TODAY CONTINUES TO PUSH EAST OF THE REGION
THIS AFTERNOON. IN ITS WAKE...THE ATMOSPHERE HAS DESTABILIZED ENOUGH
TO POP ADDITIONAL ISOLATED CONVECTION OVER SOUTHERN MISSOURI.
TONIGHT...THE BEST CHANCE OF LINGERING ACTIVITY WILL BE FOCUSED OVER
THE PENNYRILE REGION OF WESTERN KENTUCKY...TAPERING TO SLIGHT
CHANCES FARTHER WEST AND NORTH.

AS WAS DEMONSTRATED LAST NIGHT AND TODAY...THE ABILITY TO PINPOINT
THE INDIVIDUAL PEAKS IN PRECIPITATION CHANCES WELL IN ADVANCE WILL
BE DIFFICULT OVER THE NEXT WEEK. IN THE NEAR TERM...THE UPPER-LEVEL
PATTERN WILL AMPLIFY OVER THE WEEKEND AS THE NEXT IN A SERIES OF
SHORTWAVE TROUGHS DIVES SOUTHWARD INTO THE OHIO VALLEY ON SUNDAY. SO
AFTER A SLIGHT CHANCE OF MAINLY DIURNAL CONVECTION SATURDAY...WE
BUMPED UP PRECIPITATION CHANCES TO AS HIGH AS 40 PERCENT ON SUNDAY
FROM MOUNT VERNON ILLINOIS TO OWENSBORO KENTUCKY...WITH LOWER
CHANCES FARTHER SOUTH AND WEST.

WHILE NOT ENTIRELY CERTAIN...LATEST SREF AND OPERATIONAL RUNS OF THE
NAM AND GFS ARE SIGNALING BETTER ODDS OF STAYING DRY MONDAY AND
MOST OF TUESDAY. AFTER THAT...ALL BETS ARE OFF AS A FAIRLY ACTIVE
BUT WEAK NORTHWEST FLOW PATTERN PERSISTS. AS A RESULT...WILL
MAINTAIN SMALL RAIN CHANCES THROUGH THE COURSE OF THE MIDDLE TO END
OF NEXT WEEK.

AS FAR AS TEMPERATURES ARE CONCERNED...NIGHTTIME LOWS REFLECT A
WARMER FWC/MET BLEND OVER THE NEXT TWO NIGHTS...WITH DAYTIME HIGHS
AN AVERAGE OF AVAILABLE GUIDANCE. IN THE EXTENDED...WE GENERALLY
FAVORED THE GUIDANCE BASED ON THE GFS ENSEMBLE MEAN.

&&

.AVIATION...
GENERALLY VFR SKY AND VSBY CONDITIONS EXPECTED THIS AFTERNOON AND
EVENING. BRIEF MVFR CIGS AND VSBYS POSSIBLE...AND WILL LIMIT
CONVECTION TO VICINITY AS THE BULK OF THE SHOWERS AND ISOLD STORMS
PUSHES EAST OF THE TAF SITES. OVERNIGHT...INTO THE FIRST HALF OF
SATURDAY EXPECT MAINLY DRY CONDITIONS. COULD BE SOME FOG OR SCT LOW
CIG RESTRICTIONS AFTER MIDNIGHT AS FORECAST SOUNDINGS SATURATE WITH
SHARP BLYR INVERSION DEVELOPING AFTER 06Z BELOW 1K FT. WILL HINT AT
BOTH BUT REFRAIN FROM AOB IFR RESTRICTIONS UNTIL A CLEAR SIGNAL
SHOWS UP IN TRENDS OVERNIGHT. WINDS WILL NOT BE OPERATIONALLY
SIGNIFICANT.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
MO...NONE.
IL...NONE.
IN...NONE.
&&

PUBLIC...RJP
AVIATION...CTN
Hazardous weather outlook, Jun 20, 3:43 AM CDT, 13 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
343 AM CDT FRI JUN 20 2008

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-211000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
343 AM CDT FRI JUN 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY...AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS TODAY AND TONIGHT. THE PRIMARY
THREAT IS LIGHTNING AND HEAVY RAIN. SEVERE STORMS ARE NOT EXPECTED
AT THIS TIME.

FLOODING WILL CONTINUE ON AREA RIVERS. REFER TO THE LATST WARNINGS
AND STATEMENTS FOR MORE DETAILED INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY THROUGH SUNDAY...AND
AGAIN WEDNESDAY THROUGH THURSDAY. THE PRIMARY THREAT FROM THESE
STORMS WILL BE LIGHTNING AND HEAVY RAIN. SEVERE WEATHER IS NOT
EXPECTED AT THIS TIME.

FLOODING WILL CONTINUE ON AREA RIVERS. REFER TO THE LATST WARNINGS
AND STATEMENTS FOR MORE DETAILED INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jun 20, 4:12 PM CDT, 41 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 4:45 PM CDTAreal Flood AdvisoryPAHButler2 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 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.