Area Forecast Discussion
Issued by NWS Dodge City, KS

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FXUS63 KDDC 170555
AFDDDC

Area Forecast Discussion
National Weather Service Dodge City KS
1255 AM CDT Wed May 17 2017

...Updated aviation discussion...

.SHORT TERM...(This evening through Wednesday)
Issued at 333 PM CDT Tue May 16 2017

Main short term concern is severe weather tonight. Supercell thunderstorms
have developed this afternoon across the OK/TX panhandles. Some activity
has also developed over southwest Kansas to the southwest of Dodge
City. The 19Z KDDC RAOB shows plenty of CAPE and shear for supercells.
The sounding is definitely favorable for supercells with giant hail
(2-4"). The low levels of the sounding right now are not favorable
for tornadoes. This could change as low level SRH increases in association
with a developing LLJ later tonight. In addition, inter-storm dynamics
could change low level shear if current activity kicks out an OFB for
later development to utilize. It is not exactly clear how this will
evolve. The ARW shows a quick evolution to a linear line by early evening.
The HRRRX shows more discrete supercells with a much higher threat
of hail and tornadoes. Mesoanalysis shows strengthening sig torn near
the Oklahoma border over the next few hours. A tornado was just reported
in the OK panhandle. Putting this all together, the highest tornado
threat is expected to be south of Highway 50 and near the Oklahoma
border. Meade, Clark, and Comanche counties will be the most under
the gun for the largest hail and the strongest tornado chances. The
atmosphere will have to change significant through in the next few
hours as the 19Z RAOB is not particularly supportive of large tornadoes.
....However....Low level winds are backing and dewpoints are increasing
across the CWFA, so that change might have just started to occur. Regardless
of this, be sure to pay attention to the weather and take action if
needed!

.LONG TERM...(Wednesday night through Tuesday)
Issued at 333 PM CDT Tue May 16 2017

SW Kansas will be in between systems Wednesday. Another synoptic wave
moving through may bring another round of severe convection Thursday.
Details are unclear at this point in time. This system will exit eventually
with a drier regime by the weekend.

&&

.AVIATION...(For the 06Z TAFS through 06Z Wednesday night)
Issued at 1254 AM CDT Wed May 17 2017

Thunderstorm outflow winds may impact Garden City and Hays for a
few hours at the beginning of this TAF period with winds gusting
to 25-35 knots. A few showers could also develop around these
terminals but confidence in this is low. Westerly winds will
increase at all the terminals around 12z-15z and continue through
much of the day. VFR conditions are expected through the period.

&&

.PRELIMINARY POINT TEMPS/POPS...
DDC  55  80  51  78 /  40  10   0  30
GCK  53  79  49  72 /  10  10   0  30
EHA  51  79  50  73 /  10   0   0  30
LBL  54  81  53  79 /  20  10   0  20
HYS  58  76  50  71 /  70  20   0  20
P28  60  82  54  84 /  50  10   0  30

&&

.DDC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SHORT TERM...Sugden
LONG TERM...Sugden
AVIATION...Gerard



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