Area Forecast Discussion
Issued by NWS Grand Forks, ND

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FXUS63 KFGF 240959
AFDFGF

Area Forecast Discussion
National Weather Service Grand Forks ND
359 AM CST Sat Feb 24 2018

.SHORT TERM...(Today and tonight)
Issued at 344 AM CST Sat Feb 24 2018

Water vapor loop indicated an upper level trough over the Desert
Southwest. Upper trough will move into the Northern Plains Sat
night. System will start to become negatively tilted late tonight.
Snow will spread north out of SD by late this morning.
Precipitation was developing over NE and will move north and east.
Heaviest snow is expected over the far southeast zones with 3-5
inches of snow. Will keep winter weather advisory going for the
southeast zones. Added patchy fog over the far southern Red River
Valley with Satellite and surface obs indicated clouds and
visibilities are decreasing.

.LONG TERM...(Sunday through Friday)
Issued at 344 AM CST Sat Feb 24 2018

Models in good agreement depicting zonal flow aloft to develop
through the period. A couple weak shortwaves will pass just north or
south of the region bring a low risk for snow chances. However, the
strongest forcing will not affect the region and no major winter
weather impacts are anticipated.

Temperatures will remain normal to just above normal with afternoon
highs in the upper 20s to low 30s and overnight lows in the teens.

&&

.AVIATION...(For the 06Z TAFS through 06Z Saturday night)
Issued at 1028 PM CST Fri Feb 23 2018

VFR tonight through mid- to late Saturday morning. Latest guidance
indicating light snow could move into southern valley by late
morning but holding on to previous thinking...light snow by mid-
afternoon...until more current high resolution model data is
available. Should begin to see widespread MVFR definitely by 20Z
with light snow developing all sites except DVL by sundown. This
will continue through end of 06Z TAF period although FAR may see
some improvement near midnight Sunday morning.


&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...Winter Weather Advisory from 3 PM this afternoon to midnight CST
     tonight for NDZ052-053.

MN...Winter Weather Advisory from 3 PM this afternoon to 3 AM CST
     Sunday for MNZ030-040.

     Winter Weather Advisory from 9 PM this evening to 6 AM CST
     Sunday for MNZ017.

     Winter Weather Advisory from 6 PM this evening to 6 AM CST
     Sunday for MNZ023-024-027-028-032.

     Winter Weather Advisory from 3 PM this afternoon to midnight CST
     tonight for MNZ029.

     Winter Weather Advisory from 3 PM this afternoon to 6 AM CST
     Sunday for MNZ031.

&&

$$

SHORT TERM...JH
LONG TERM...TG
AVIATION...Speicher



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