Area Forecast Discussion
Issued by NWS Dodge City, KS

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FXUS63 KDDC 090500

Area Forecast Discussion
National Weather Service Dodge City KS
1100 PM CST Fri Dec 8 2017

...Updated Aviation...

.SHORT TERM...(This evening through Saturday)
Issued at 1209 PM CST Fri Dec 8 2017

Tonight other than perhaps a brief cloud deck in association with
a backdoor cold front that is forecast to move through central
Kansas most of the forecast region should be quiet tonight as the
gusty winds will die down after sunset. Given the dry ground and
how the winds should calm down I went below MOS guidance for
lows. The past few days have been effective for radiational
cooling so I saw no reason why much of the area couldn`t fall into
the lower 20s.

Upper level flow continues to stay primarily north to northwest
through the time period as the ridge over the Rockies starts to
gradually move east through the day Saturday. This should allow
slightly warmer air to move into the region Saturday afternoon.
Temperatures should range from the mid to upper 50s with a few 60s
near the CO border. Winds should be lighter for Saturday however
the forecast RH look to be lower so the elevated fire risk will
continue for areas west of Highway 83.

.LONG TERM...(Saturday night through Friday)
Issued at 130 PM CST Fri Dec 8 2017

A consistent upper level pattern of a Hudson Bay Low and an upper
level ridge over the Rockies will continue through at least the
17th the way the GFS and Euro models are forecasting. The
continued trend of dry weather, up and down swings in
temperatures, with a few windy days mixed in this the highlight of
the forecast. Almost everyday will have an inherent fire danger
with Monday having a greater one.

Sunday will have the warmest temperatures of the time period at
this point. A very dry atmosphere combined with a west-northwest
breeze and sunny skies along with a milder 850mb airmass in the
area (10C according to the GFS, 12C according to the Euro) I went
ahead and raised high temperatures into the mid 60s but we could
realistically see upper 60s to low 70s in that environment.

Monday a shortwave trough will move through the northern plains
dragging another backdoor cold front into Kansas. Given the
unidirectional flow of the winds combined with a tightening
pressure gradient we could see strong afternoon winds across the
region. Monday will especially need to be monitored for fire

Wednesday both GFS and Euro hint at another shortwave coming in
from the Rockies. The GFS wants to bring the wave through Kansas
and the Euro wants to form a closed low over the four corners
region. In either case, it`ll be another dry cold frontal passage
followed by gusty afternoon winds. Towards the very end of the
forecast period we could begin to see a change in the upper level
wind pattern.


.AVIATION...(For the 06Z TAFS through 06Z Saturday night)
Issued at 1100 PM CST Fri Dec 8 2017

VFR through Saturday. Periods of scattered mid/high clouds tonight
passing by in the northerly flow aloft. NW winds through sunrise
averaging 10-12 kts. After 15z Sat, expecting SKC with an increase
in NW winds. Winds will be much reduced from those observed on
Friday, averaging 13-23 kts. Winds will once again subside quickly
at sunset.


DDC  23  56  28  66 /   0   0   0   0
GCK  20  56  26  65 /   0   0   0   0
EHA  26  58  29  67 /   0   0   0   0
LBL  25  56  26  65 /   0   0   0   0
HYS  26  53  28  65 /   0   0   0   0
P28  25  53  26  66 /   0   0   0   0




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