Special Weather Statement, NWS Wichita, KS

Area Forecast Discussion
National Weather Service Wichita KS
645 PM CDT THU AUG 11 2016

.SHORT TERM...(This evening through Saturday night)
Issued at 307 PM CDT Thu Aug 11 2016

Main forecast concern for the next 24 hours will be the cold front
to push through tonight into Fri morning. This front currently
extends from northeast Nebraska into west central KS and is
continuing to push south. Storms are expected to develop soon over
west central KS as the right entrance region of a jet max slides
over the area. In addition, increased surface convergence should
also lead to development prior to 00z. Convection is expected to
increase in coverage this evening as 850-700mb moisture transport
ramps up along with most of the area under diffluent flow aloft.
While widespread severe storms are not anticipated, can't rule out
a wet microburst and small hail with any storm. With PW values
remaining around or just over 2", very high rainfall rates will be
likely with any shower or storm tonight, so wouldn't be shocked to
see a few flood warnings issued.

The good news regarding prolonged flooding is that the front will
be fairly progressive as it pushes south, before stalling out
over OK/AR Fri through the weekend. So for Fri, the better precip
chances will be over the southern portion of the forecast area
with only SE KS holding onto POPs for Fri night into Sat. The
passage of the front will return the area to more seasonal temps
with highs in the mid and upper 80s expected for Fri through the
weekend.

.LONG TERM...(Sunday through Thursday)
Issued at 307 PM CDT Thu Aug 11 2016

The next feature to keep an eye on will be a tropical impulse
that is expected to track north out of the se TX/LA Gulf coast
area. Both the GFS and ECMWF lift this energy north over the
arklatex region Sat night and into far eastern OK/AR by Sun
evening. This should enhance the areal extent of rainfall along
the stalled surface front for Sun night through Mon night. While
it still looks like the more significant rainfall will occur from eastern
Ok into southern MO and AR, cant rule out that some of it may clip
far se KS. Temps should remain fairly comfortable through these
extended periods with highs at or slightly below seasonal
averages.

&&

.AVIATION...(For the 00Z TAFS through 00Z Friday evening)
Issued at 644 PM CDT Thu Aug 11 2016

Main aviation issues are timing and magnitude of convection
during this period. Strong-severe storms anticipated throughout
the evening at KRSL-KSLN-KGBD-KHUT with storms potentially waning
a bit later tonight with loss of surface heating and in absence of
strong baroclinic zone in mid levels. Current convection is ahead
of cold front, which will slowly move into the area late
tonight/tomorrow morning. Some MVFR ceilings possible in the
vicinity of front in central KS. -Howerton

&&

.PRELIMINARY POINT TEMPS/POPS...
Wichita-KICT    75  88  71  87 /  50  50  30  10
Hutchinson      74  87  69  86 /  50  50  20  10
Newton          74  87  70  86 /  60  60  20  10
ElDorado        75  88  71  86 /  60  60  30  10
Winfield-KWLD   75  89  72  88 /  40  40  40  20
Russell         70  86  66  87 /  60  20  10  10
Great Bend      70  86  66  87 /  50  20  10  10
Salina          73  87  68  89 /  70  60  10  10
McPherson       73  87  69  87 /  60  60  20  10
Coffeyville     76  92  73  87 /  30  50  60  30
Chanute         75  89  72  86 /  30  50  40  10
Iola            75  88  72  86 /  40  50  40  10
Parsons-KPPF    75  91  72  86 /  30  50  50  20

&&

.ICT Watches/Warnings/Advisories...
Heat Advisory until 8 PM CDT this evening for KSZ049>053-067>072-
082-083-091>096-098>100.

&&

SHORT TERM...RBL
LONG TERM...RBL
AVIATION...PJH

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WICHITA KS
438 PM CDT THU AUG 11 2016

KSZ032-033-047>053-067>072-082-083-091>096-098>100-120915-
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-
438 PM CDT THU AUG 11 2016

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

.DAY ONE...TONIGHT

HEAT INDICES BETWEEN 105 TO 110 WILL OCCUR THROUGH THE EARLY EVENING
HOURS ACROSS MUCH OF THE REGION. PLEASE REFER TO THE HEAT ADVISORY
FOR MORE DETAILS.

SCATTERED THUNDERSTORMS ARE LIKELY THIS EVENING FOR LOCATIONS
GENERALLY NORTHWEST OF AN ANTHONY...TO HUTCHINSON TO SALINA LINE.
SHOWERS AND STORMS WILL THEN EXPAND SOUTHWARD OVERNIGHT TO AFFECT
MOST OF CENTRAL AND EASTERN KANSAS. THE STRONGER STORMS WILL BE
CAPABLE OF QUARTER SIZE HAIL AND 60 MPH DOWNBURST WINDS. IN
ADDITION...ANY OF THE MORE INTENSE SHOWERS AND STORMS WILL PRODUCE
VERY HIGH RAINFALL RATES WHICH MAY LEAD TO SOME LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORM CHANCES WILL LINGER ACROSS MUCH OF THE AREA ON
FRIDAY...ESPECIALLY ACROSS SOUTHERN KANSAS. THE STRONGER STORMS
FRIDAY AFTERNOON AND EARLY EVENING WILL BE CAPABLE OF 50 MPH WINDS
AND HEAVY RAIN WHICH MAY LEAD TO FLOODING. STORM CHANCES WILL
GRADUALLY DIMINISH FROM NORTH TO SOUTH FRIDAY NIGHT INTO EARLY
SATURDAY MORNING. STORM CHANCES WILL RETURN TO FAR SOUTHEAST KANSAS
SUNDAY NIGHT THROUGH TUESDAY WITH HEAVY RAIN BEING THE MAIN THREAT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TONIGHT.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION, SEE OUR WEBPAGE AT:
HTTP://WEATHER.GOV/WICHITA/HWO/

LAWSON

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
532 PM CDT THU AUG 11 2016

KSZ032-047-112315-
RUSSELL KS-BARTON KS-
532 PM CDT THU AUG 11 2016

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN RUSSELL COUNTY IN CENTRAL KANSAS...
  BARTON COUNTY IN CENTRAL KANSAS...

* UNTIL 615 PM CDT

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A STRONG THUNDERSTORM WITH LOCALLY HEAVY RAINFALL NEAR SHAFFER...
  MOVING NORTHEAST AT 30 MPH.  THESE ARE SLOW MOVING STORMS WITH
  VERY HEAVY RAIN WHICH INCREASES THE RISK FOR ISOLATED FLOODING.

HAIL UP TO THE SIZE OF NICKELS...AND WIND GUSTS UP TO 50 MPH WILL BE
POSSIBLE WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  GREAT BEND...HOISINGTON...ELLINWOOD...CLAFLIN...PAWNEE ROCK...
  ALBERT...OLMITZ...GALATIA...SUSANK...ODIN...
  GREAT BEND AIRPORT AND CHEYENNE BOTTOMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS MAY PRODUCE PONDING OF WATER ON ROADWAYS. LISTEN FOR
LATER STATEMENTS OR POSSIBLE FLOOD WARNINGS...SHOULD THE RISK FOR
MINOR LOW-LAND FLOODING BECOME MORE IMMINENT.

&&

LAT...LON 3882 9849 3826 9848 3826 9901 3869 9903
TIME...MOT...LOC 2231Z 219DEG 26KT 3840 9912

METZGER

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