Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 222324

Area Forecast Discussion
National Weather Service Hastings NE
624 PM CDT Sat Jul 22 2017

.SHORT TERM...(This evening through Sunday)
Issued at 301 PM CDT Sat Jul 22 2017

Today should be the last day of the heat wave. I didn`t make any
changes to the heat advisory or heat warning. A weak upper-level
disturbance has continued to develop scattered showers and
thunderstorms over central Nebraska.

A weak cold front is located across northern Kansas, as evidenced
by a line of cumulus from Stockton to Beloit. Thunderstorms
should develop in this vicinity within the next few hours. Short-
term RAP soundings show 1000-2000J of CAPE and 30 kts of bulk
shear in this vicinity, so an isolated severe storm isn`t out of
the question. This activity should continue to gradually shift
south with the front tonight.

Sunday should remain dry and cooler as high pressure builds into
the area. Highs are expected to "only" be in the low 90s.

.LONG TERM...(Sunday night through Saturday)
Issued at 301 PM CDT Sat Jul 22 2017

Early next week, mostly dry weather is expected through Tuesday,
with daily high temperatures gradually rebounding back into the
middle and upper 90s.

Chances for thunderstorms return to the forecast Wednesday as a
large upper low tracks across Canada, pushing a front through the
Great Plains.

As has been the case several times this summer, this front looks
like it will stall out in our vicinity, giving us a potential for
isolated thunderstorms Thursday and even into Friday, primarily
across Kansas and far southern Nebraska. Right now, we`re only
looking at high temperatures in the upper 80s and low 90s through
this stretch.

Late Friday into Saturday, both the GFS and the ECMWF show the
western ridge amplifying a bit, which should limit precipitation
chances and potentially give us another round of heat as it shifts
eastward early into the following week.


.AVIATION...(For the 00Z KGRI/KEAR TAFS through 00Z Sunday)
Issued at 622 PM CDT Sat Jul 22 2017

The north wind will die down after sunset and could even become
light and variable at times tonight. Overall the wind will remain
fairly light again tomorrow and will predominately be out of the
north or northeast. VFR conditions are expected with just some
high clouds around tonight and then mostly clear skies tomorrow.




SHORT TERM...Mangels
LONG TERM...Mangels
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