Area Forecast Discussion
Issued by NWS Goodland, KS

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FXUS63 KGLD 240845
AFDGLD

Area Forecast Discussion
National Weather Service Goodland KS
245 AM MDT Thu May 24 2018

.SHORT TERM...(Today through Saturday night)
Issued at 232 AM MDT Thu May 24 2018

Across the Tri State region this morning...temperatures are mainly
ranging in the 60s under a partly cloudy skies as a veil of high
cloud moves thru the area. Winds are southerly as the region lies
between a lee-side trough over the Front Range and high pressure to
the east.

For the 3-day period into Saturday night...the entire region will
see above normal temperatures as main wx feature will be an H5/H7
ridge working over the central portion of the country...amplifying
going into the tail-end of the week/first half of the holiday
weekend.

For today and tonight though...a shortwave will move over the
northern extent of the upper ridge later today in tandem with the
aforementioned lee-side trough. Ample instability over mainly
central/eastern portions of the CWA this afternoon/early evening
will trigger thunderstorms. Some of these storms could become severe
with large hail and damaging winds the main factors. The timing of
the trough into the CWA will lessen the western portions of the
CWA...but still a chance for trw there. Better chances central/east
as enhancement with shortwave moving into the Plains. SPC has mainly
central/eastern zones in a Slight Risk for severe...with the
remainder of the CWA under a Marginal Risk. Focus of pops for
potential thunder will be in the Slight Risk region where better
chances for convection are possible. High PW values also could bring
about locally heavy rainfall....thus flooding concerns. Expecting
any precip to taper off from west to east between 03z-08z Friday
with dry conditions ensuing right into Saturday night.

For temps...850 mb temps increase thru the first half of the weekend
as upper ridge becomes more amplified...shifts east of the CWA
allowing for SW flow to ensue. Looking for highs in the mid 80s to
lower 90s today...tempered only by convective cloud cover this
afternoon. Friday and Saturday...highs 90-95...warmest Saturday.
Overnight lows mid 50s to lower 60s tonight/Friday night...and lower
to mid 60s on Saturday night.

.LONG TERM...(Sunday through Wednesday)
Issued at 230 AM MDT Thu May 24 2018

Upper low will gradually move from the Great Basin at the start of
the long term period to the northern plains by the end of the
period, weakening as it does. Hard to rule out precipitation
chances just about any day during this period, but best chances
will probably occur when the upper low is closest, which would be
Monday and Tuesday. Given the increased flow aloft, deep layer
shear appears to be favorable for a severe threat both of those
days as well, though mesoscale details/instability make
pinpointing a favorable area difficult at this time range. Severe
threat should diminish by late in the period as upper low lifts
out and deep layer shear decreases. Temperatures will be above
normal through the period.

&&

.AVIATION...(For the 06Z TAFS through 06Z Thursday night)
Issued at 1109 PM MDT Wed May 23 2018

VFR conditions are expected at GLD and MCK through the 06Z TAF
period. Scattered to broken high clouds are expected overnight
along with LLWS with southerly winds around 40kts around 1kft AGL persisting
through about 10Z. Winds will become light out of the south
through the day with a weak trough axis positioned across the
central high plains region. After 21Z, expect some convective
development in the vicinity of the surface trough with scattered
thunderstorms possible around the MCK TAF site through Thursday
evening.


&&

.CLIMATE...
Issued at 244 AM MDT Thu May 24 2018

With the area seeing at least 90F for high temperatures into
Saturday for many locales...the potential for record highs is
possible.

Here are the record high temperatures for Today...Friday...and
Saturday:


                  Thursday(5/24)    Friday(5/25)    Saturday(5/26)

Goodland KS         96F/1911          97F/1964        97F/2012
McCook NE           99F/1967         100F/1964       102F/2012
Burlington CO       95F/1967          95F/1964        95F/2012
Hill City KS       101F/1953          99F/1964       102F/2012
Colby KS            98F/1953          98F/1967        98F/1967
Tribune KS          99F/2000          97F/1967       101F/1927
Yuma CO             95F/2005          96F/1967        96F/1942

&&

.GLD WATCHES/WARNINGS/ADVISORIES...
KS...NONE.
CO...NONE.
NE...NONE.
&&

$$

SHORT TERM...JN
LONG TERM...024
AVIATION...LOCKHART
CLIMATE...JN



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