Area Forecast Discussion
Issued by NWS Dodge City, KS

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FXUS63 KDDC 221140
AFDDDC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DODGE CITY KS
640 AM CDT Tue Apr 22 2014

...AVIATION SECTION UPDATED...

.SHORT TERM...(Today and tonight)
ISSUED AT 313 AM CDT TUE APR 22 2014

Through today, the upper level ridge will continue to move east out
over the Plains states while a strong shortwave trough moves into
the Intermountain west. The surface ridge will move east as well.
Warm air advection will increase in the low to mid levels over the
central High Plains today, along with some increasing low level
moisture. The far southwest portion of Kansas will see the warmest
afternoon high temperatures in the lower 80s while in central Kansas
around Hays, temperatures should manage to climb into the mid to
upper 70s. As surface pressure falls occur int he lee of the Rockies
today, a strong surface pressure gradient will develop across
western Kansas with breezy to windy conditions developing.

The models continue to indicate thunderstorms developing over eastern
Colorado this afternoon. As warm air advection continues to strengthen
in the lower levels, widely scattered elevated storms should continue
to build eastward into western Kansas especially as a low level jet
strengthens overnight. Will continue to show an eastward progression
of the best thunderstorm chances overnight as the low level jet veers
to the northeast overnight. Have brought thunderstorm chances a little
bit farther south than previously indicated. Overnight lows will be
mild...staying in the mid to upper 50s.

.LONG TERM...(Wednesday through Monday)
ISSUED AT 356 AM CDT TUE APR 22 2014

Little overall change was seen in the overall forecast expectation
for days 2 and 3, or Wednesday and Thursday. The ECMWF and the NAM
continue to show the moistening of the lower levels through moisture
transport on southerly winds in advance of a surface dryline on
Wednesday and large scale lift Wednesday into Wednesday evening. The
pattern is still supportive of severe storms given the deep layer
shear and instability expected to be present with the greatest
threat during the late afternoon and evening across the warm sector
(most likely from around Garden City/highway 83, eastward into
central Kansas. Convection could linger into the evening and
overnight from around Hays to Stafford and Medicine Lodge, as the
cold front becomes a secondary focus for storms. Subsidence should
become well established by early Thursday resulting in cooler
afternoon high temperatures. Thursday into Friday will bring a
slowly amplifying upper ridge across the central High Plains with
surface features resulting in breezy northwest winds Thursday to
light and more variable by Friday. Difluent flow aloft returns by
the weekend as the next significant wave digs into the southern
Rockies by Saturday. Periods of showers or thunderstorms could occur
(or complete dry slotting) anytime during the weekend with large
uncertainty in timing or coverage with such a pattern.

&&

.AVIATION...(For the 12Z TAFS through 12Z Wednesday morning)
ISSUED AT 635 AM CDT TUE APR 22 2014

VFR flight category is expected for this TAF period as surface
high pressure fades eastward of the region. The increasing surface
pressure gradient will bring southerly surface winds around 20 mph
with gusts to around 30 mph at area terminals this afternoon
through the overnight.

&&

.FIRE WEATHER...
ISSUED AT 356 AM CDT TUE APR 22 2014

A fire weather watch was issued for Stanton, Grant, Morton and
Ulysses counties for Wednesday afternoon. This region may have the
best opportunity to remain behind the dryline and ahead of the cold
front/convection long enough for several hours of 30 mph average
winds and relative humidities in the low teens.

&&

.PRELIMINARY POINT TEMPS/POPS...
DDC  79  55  83  47 /   0  10  40  70
GCK  81  56  84  43 /  10  20  50  50
EHA  83  56  84  43 /  10  10  20  20
LBL  83  57  85  47 /   0  10  30  30
HYS  77  55  82  45 /   0  20  50  70
P28  80  54  83  50 /   0  10  40  40

&&

.DDC WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH from Wednesday afternoon through Wednesday
evening FOR KSZ074-075-084-085.

&&

$$

SHORT TERM...Gerard
LONG TERM...Russell
AVIATION...Russell
FIRE WEATHER...Russell






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