Area Forecast Discussion Issued by NWS Wichita, KS
000
FXUS63 KICT 182350
AFDICT
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WICHITA KS
650 PM CDT TUE JUN 18 2013
.SHORT TERM...(THIS EVENING THROUGH FRIDAY)
ISSUED AT 324 PM CDT TUE JUN 18 2013
FORECAST HIGHLIGHTS FOCUS AROUND THUNDERSTORM CHANCES THROUGH
THURSDAY...WITH ABOVE AVERAGE SUMMER HEAT LATE WEEK AND BEYOND.
MORNING SOUNDINGS FROM DODGE CITY AND TOPEKA INDICATED NOT MUCH
WARMING WOULD BE NEEDED TO BREACH CAP...WHICH HAS CERTAINLY PROVED
TO BE THE CASE THIS AFTERNOON. AS SUCH...SCATTERED THUNDERSTORMS
HAVE FORMED ALONG A WEAK CONVERGENCE ZONE FROM NORTHERN KS
EAST/SOUTHEAST INTO NORTHEAST KS AND CENTRAL MO. A WEAK MID-LEVEL
TROUGH APPROACHING FROM THE NORTHWEST IS ALSO LIKELY AIDING THIS
ACTIVITY. WITH MID-LEVEL FLOW OUT OF THE NORTHWEST...SOME OF THIS
ACTIVITY COULD VENTURE INTO PORTION OF CENTRAL AND EAST-CENTRAL TO
SOUTHEAST KS THIS AFTERNOON/EVENING. DESPITE DECENT
INSTABILITY...DEEP LAYER SHEAR IS WEAK SO MAIN THREATS WILL BE
MARGINAL HAIL AND LOCALIZED DOWNBURST WINDS...ALONG WITH LOCALLY
HEAVY RAIN...LIKELY DISSIPATING AFTER SUNSET. OTHERWISE...ANOTHER
ROUND OF SHOWERS/THUNDERSTORM COULD VENTURE INTO AREAS WEST OF I-135
TOWARD DAWN...ORIGINATING FROM LINGERING HIGH PLAINS
ACTIVITY...AIDED BY A PROGRESSIVE SHORTWAVE APPROACHING FROM THE
WEST. THIS ACTIVITY WILL LIKELY REMAIN BELOW SEVERE LEVELS.
FOR WEDNESDAY...ANTICIPATE THE POTENTIAL FOR FESTERING SCATTERED
SHOWERS/THUNDERSTORMS GENERALLY ALONG/WEST OF I-135 MUCH OF THE
DAY...IN RESPONSE TO STRENGTHENING 700MB WARM/MOIST ADVECTION ON
EASTERN FRINGE OF APPROACHING ELEVATED MIXED LAYER. ACTIVITY WILL
ALSO BE AIDED BY AFOREMENTIONED APPROACHING SHORTWAVE. STRONG TO
MARGINALLY SEVERE STORMS APPEAR POSSIBLE. THINKING THE POTENTIAL FOR
ELEVATED THUNDERSTORMS MAY INCREASE WED NIGHT-EARLY THU...AS TIGHT
MID-LEVEL THERMAL GRADIENT CONTINUES TO ADVANCE EAST. INCREASING
ELEVATED INSTABILITY AND DECENT DIRECTIONAL SHEAR WILL CONTINUE THE
STRONG TO MARGINALLY SEVERE STORM POTENTIAL. THIS ACTIVITY COULD
LINGER OVER EASTERN KS THROUGH THU MORNING.
ADK
.LONG TERM...(SATURDAY THROUGH TUESDAY)
ISSUED AT 324 PM CDT TUE JUN 18 2013
FOR FRIDAY AND BEYOND...A STOUT MID-LEVEL SUBTROPICAL RIDGE IS
EXPECTED TO REMAIN PARKED ACROSS THE SOUTHERN CONUS...WITH MEDIUM
RANGE MODELS BUILDING THE RIDGE OVER THE WESTERN CONUS BY EARLY/MID
NEXT WEEK. THIS WILL LIKELY RESULT IN MOSTLY DRY CONDITIONS AND
ABOVE NORMAL TEMPERATURES ACROSS THE REGION. CANNOT COMPLETELY RULE
OUT A FEW AFTERNOON/EVENING ISOLATED HIT-AND-MISS THUNDERSTORMS FROM
FRI-SUN...AS SOME WEAKNESSES IN THE MID-LEVEL RIDGE ARE EVIDENT IN
THE GFS/ECMWF...BUT WARM 700MB TEMPERATURES AND WEAK FORCING SHOULD
PRECLUDE WIDESPREAD ACTIVITY. FORECAST DAYTIME TEMPERATURES IN THE
90S AND OVERNIGHT LOWS IN THE 70S ARE 5-10 DEGREES ABOVE SEASONAL
NORMALS.
ADK
&&
.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z WEDNESDAY EVENING)
ISSUED AT 650 PM CDT TUE JUN 18 2013
A BKN LINE OF (+)TSRA ~35 MILES WIDE EXTENDING IN AN ALMOST W-E MANNER
ACROSS CNTRL KS CONTINUES TO MOVE S~15KTS SHOULD VACATE THE KRSL &
KSLN PREMISES BY 02Z. THE WRN EDGE OF A TSRA CLUSTER THAT IS MOVG S/SE
ALONG THE SE KS/SW MO BORDER WILL VENTURE CLOSE ENOUGH TO KCNU TO
WARRANT A "VCTS" DESCRIPTOR TIL 02Z. AFTER 02Z THERE ARE NO CONCERNS
TO BE DEALT WITH FOR THE 19/00Z TAF CYCLE.
&&
.PRELIMINARY POINT TEMPS/POPS...
WICHITA-KICT 66 85 69 91 / 10 30 40 30
HUTCHINSON 67 85 69 93 / 20 30 50 20
NEWTON 66 85 69 91 / 10 30 40 30
ELDORADO 65 84 69 89 / 10 20 30 40
WINFIELD-KWLD 67 85 70 91 / 10 30 30 30
RUSSELL 67 86 68 96 / 30 40 50 10
GREAT BEND 67 84 68 95 / 30 40 50 10
SALINA 66 86 69 93 / 30 30 50 30
MCPHERSON 66 85 69 93 / 20 30 50 30
COFFEYVILLE 66 86 69 87 / 10 20 20 30
CHANUTE 65 85 68 87 / 10 20 20 30
IOLA 65 85 68 87 / 20 20 20 30
PARSONS-KPPF 66 85 69 87 / 10 20 20 30
&&
.ICT WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
ES