Severe Thunderstorm Warning 60, NWS Wichita, KS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WICHITA KS
301 PM CDT SAT APR 15 2006

.DISCUSSION...

FORECAST CHALLENGES/CONCERNS WILL BE SEVERE THUNDERSTORM POTENTIAL
LATE THIS AFTERNOON THROUGH THIS EVENING ALONG AND EAST OF
I-135...ALONG WITH VERY WINDY CONDITIONS OVER PORTIONS OF CENTRAL
AND SOUTH CENTRAL KANSAS.

20Z SURFACE ANALYSIS INDICATES A SHARPENING DRY LINE...EXTENDING
SOUTHEASTWARD FROM SOUTH CENTRAL NEBRASKA INTO CENTRAL KANSAS AND
THEN SOUTHWARD INTO SOUTH CENTRAL KANSAS AND NORTH CENTRAL/NORTHWEST
OKLAHOMA. SURFACE TEMPERATURES JUST AHEAD OF THE DRY LINE HAVE
WARMED INTO THE UPPER 80S TO LOW 90S...WITH DEWPOINTS IN THE
MID-UPPER 50S. TEMPERATURES HAVE BEEN SLOWER TO WARM OVER SOUTHEAST
KANSAS...DUE TO DENSE MORNING MID-HIGH LEVEL CLOUDS AND HIGHER
DEWPOINTS IN THE LOW-MID 60S. CONVECTIVE INHIBITION REMAINS VERY
STRONG...PER 18Z TOPEKA SOUNDING. HOWEVER...SCATTERED ELEVATED
CONVECTION MAY OVERSPREAD AREAS ALONG AND EAST OF THE FLINT HILLS
THIS AFTERNOON...AS LARGE SCALE ASCENT COMBINES WITH MID-LEVEL
MOISTURE/INSTABILITY. THIS CONVECTION SHOULD REMAIN BELOW SEVERE
LEVELS.

MID-LEVEL COOLING IS EXPECTED TO OVERSPREAD THE DRY LINE BY LATE
AFTERNOON...AS STRONG SHORTWAVE AND ASSOCIATED 70+ KT 500 MB SPEED
MAX ROTATES EAST/NORTHEASTWARD. GIVEN EXPECTED MID-LEVEL
COOLING...DEWPOINTS CLIMBING TO AT LEAST 55F (63-65F OVER SE
KS)...AND SURFACE TEMPERATURES CLIMBING TO AT LEAST THE MID-UPPER
80S...THINKING AN ISOLATED THUNDERSTORM OR TWO WILL BE POSSIBLE
GENERALLY ALONG AND EAST OF I-135 AFTER 3-4 PM. GIVEN DECENT
INSTABILITY AND GOOD DEEP LAYER SHEAR ALIGNED ALMOST PERPENDICULAR
TO DRY LINE...SUPERCELLS ARE LIKELY WITH LARGE HAIL AND HIGH WINDS
WITH ANY STORMS THAT CAN DEVELOP. LCLS SHOULD BE PRETTY HIGH...WHICH
SHOULD REDUCE TORNADO THREAT. HOWEVER...CANNOT RULE OUT A TORNADO
OVER SOUTHEAST KANSAS...WHERE HIGHER LOW-LEVEL MOISTURE AND BETTER
LOW-LEVEL SHEAR WILL RESIDE...ESPECIALLY LATE AFTERNOON INTO THIS
EVENING. THUNDERSTORM THREAT SHOULD EXIT SOUTHEAST KANSAS BY 10-11
PM.

WILL ALSO CONTINUE THE WIND ADVISORY THROUGH 8 PM FOR PORTIONS OF
CENTRAL AND SOUTH CENTRAL KANSAS...AS DEEP MIXING AND PRESSURE RISES
OVERSPREAD MAINLY WESTERN PORTIONS OF THE FORECAST AREA BEHIND THE
DRY LINE. DO NOT THINK EXTREME WIND GUSTS OCCURRING OVER WESTERN
KANSAS WILL REACH THE CWA. HOWEVER...MAY LOCALLY REACH HIGH WIND
WARNING CRITERIA OVER WESTERN PORTIONS OF THE CWA THIS AFTERNOON AND
EARLY THIS EVENING...WITH SUSTAINED WINDS OVER 40 MPH AND A FEW
GUSTS TO 50 MPH. WINDS SHOULD DROP BELOW ADVISORY CRITERIA BY 8 PM
FOR MOST AREAS.

REST OF THE FORECAST WAS IN PRETTY GOOD SHAPE...SO DID NOT MAKE MANY
CHANGES BEYOND TONIGHT. STILL LOOKS LIKE AT LEAST A SLIGHT CHANCE OF
THUNDERSTORMS OVER PRIMARILY SOUTHEAST KANSAS ON TUESDAY-TUESDAY
EVENING AS ANOTHER SHORTWAVE AND ASSOCIATED COLD FRONT MOVES ACROSS
THE PLAINS. MOISTURE RETURN MAY BE STUNTED THOUGH...DUE TO SURFACE
HIGH PRESSURE RIDGE OVER THE GULF THROUGH 12Z TUESDAY.

STILL EXPECTING A RETURN TO NEAR NORMAL TEMPERATURES IN WAKE OF
AFOREMENTIONED SHORTWAVE AND COLD FRONT...WITH A SLIGHT WARM UP BY
MID-LATE NEXT WEEK. DRY WEATHER EXPECTED AFTER TUESDAY EVENING.

ADK

&&

.PRELIMINARY POINT TEMPS/POPS...
WICHITA-KICT    54  84  52  86 /  10   0   0   5
HUTCHINSON      53  83  51  85 /  10   0   0   5
NEWTON          54  83  51  85 /  10   0   0   5
ELDORADO        55  83  52  85 /  10   0   0   5
WINFIELD-KWLD   56  85  53  87 /  10   0   0   5
RUSSELL         52  82  50  84 /  10   0   0   5
GREAT BEND      52  83  50  85 /  10   0   0   5
SALINA          53  81  50  83 /  10   5   0   5
MCPHERSON       53  82  50  84 /  10   0   0   5
COFFEYVILLE     58  85  53  86 /  30   0   0   5
CHANUTE         58  82  53  84 /  30   0   0   5
IOLA            57  81  53  84 /  30   5   0   5
PARSONS-KPPF    58  83  53  85 /  30   0   0   5

&&

.ICT WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 8 PM SATURDAY FOR KSZ032-033-047>053-067>069-
082-083-091>093.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
404 PM CDT SAT APR 15 2006

KSZ032-033-047>053-067>072-082-083-091>096-098>100-162215-
RUSSELL-LINCOLN-BARTON-ELLSWORTH-SALINE-RICE-MCPHERSON-MARION-CHASE-
RENO-HARVEY-BUTLER-GREENWOOD-WOODSON-ALLEN-KINGMAN-SEDGWICK-HARPER-
SUMNER-COWLEY-ELK-WILSON-NEOSHO-CHAUTAUQUA-MONTGOMERY-LABETTE-
404 PM CDT SAT APR 15 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL KANSAS...
SOUTH CENTRAL KANSAS AND SOUTHEAST KANSAS.

.DAY ONE...LATE THIS AFTERNOON AND TONIGHT

THERE IS A CHANCE FOR SEVERE THUNDERSTORMS LATE THIS AFTERNOON
THROUGH THIS EVENING...GENERALLY EAST OF INTERSTATE 135. LARGE
HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREATS. HOWEVER...A
FEW TORNADOES WILL BE POSSIBLE OVER SOUTHEAST KANSAS LATE THIS
AFTERNOON AND THIS EVENING.

ADDITIONALLY...STRONG WEST TO SOUTHWEST WINDS WILL CONTINUE TO
OVERSPREAD CENTRAL AND SOUTH CENTRAL KANSAS THIS EVENING...WHERE A
WIND ADVISORY IS IN EFFECT UNTIL 8 PM. PLEASE REFER TO THE LATEST
WIND ADVISORY BULLETIN FOR MORE DETAILS.

FURTHERMORE...THE FIRE DANGER WILL REMAIN IN THE EXTREME CATEGORY
THROUGH THE EVENING HOURS ACROSS THE ENTIRE AREA. AVOID OUTDOOR
BURNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ON SUNDAY...THE RANGELAND FIRE DANGER INDEX WILL REACH THE VERY
HIGH CATEGORY ACROSS THE ENTIRE AREA. ALL OUTDOOR BURNING SHOULD BE
AVOIDED.

ON MONDAY...THE RANGELAND FIRE DANGER INDEX WILL REACH THE HIGH
CATEGORY ACROSS THE ENTIRE AREA. RESTRICT OUTDOOR BURNING TO EARLY
MORNING AND LATE EVENING HOURS.

THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS ON TUESDAY
ACROSS THE FLINT HILLS AND SOUTHEAST KANSAS. THERE IS A SLIGHT
CHANCE OF THUNDERSTORMS OVER EXTREME SOUTHEAST KANSAS TUESDAY
NIGHT. IT IS TOO EARLY TO DETERMINE AS TO WHETHER OR NOT THE
THUNDERSTORMS WILL ACHIEVE SEVERITY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON
THROUGH THE EVENING HOURS...GENERALLY EAST OF INTERSTATE 135.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION...SEE OUR
WEBPAGE AT (LOWERCASE) HTTP://WEATHER.GOV/WICHITA/HWO/HWO.PHP

EPS/ADK

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