Area Forecast Discussion
Issued by NWS Grand Forks, ND

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FXUS63 KFGF 240905

Area Forecast Discussion
National Weather Service Grand Forks ND
405 AM CDT Wed May 24 2017

.SHORT TERM...(Today through Friday night)
Issued at 403 AM CDT Wed May 24 2017

Upper level ridge axis extended from southern MAN to WY. Satellite loop
indicated cirrus was spilling over the ridge and over the
forecast area. Water vapor loop indicated upper level ow pressure
system was located over southern BC and southern ALTA with upper
level jet rounding the base of the trough. Upper trough will move
into southern SASK Wed night an rotate over southern SASK and
southern MAN through 12Z Sat.

Upper level low will send a cold front across the area Thu and produce showers.

Pocket of moist air around 850 hpa remains over the southeast
zones for today. Satellite indicated clouds continue to move to
the west over the southeast zones. Will add more clouds over the
southeast zones today.

.LONG TERM...(Saturday through Tuesday)
Issued at 403 AM CDT Wed May 24 2017

During the holiday weekend, the models are in good agreement that a
strong mature low pressure system over Manitoba slowly meanders
eastward toward the Great Lakes region. This system will bring an
unsettled weather pattern to the Northern Plains as several rounds
of weak upper disturbances push through. Model confidence is low
regarding timing/location of these impulses, but they will
ultimately result in a mix of sun and clouds and some isolated light
showers in the area for Saturday afternoon/night, with better shower
coverage and perhaps a few storms Sunday through Monday night.
Additionally, conditions will be breezy for Sunday and Monday as the
surface low moves by to the east. By Tuesday, this system will be
over the Great Lakes region and rain chances will diminish as high
pressure begins to build into the Dakotas.

Temperatures will be near normal values with diurnal swings each day
through the weekend and into early next week. Highs will be in the
60s to lower 70s Saturday and Sunday, becoming slightly cooler
Monday. Lows will be in the 40s to lower 50s.


.AVIATION...(For the 06Z TAFS through 06Z Wednesday night)
Issued at 1128 PM CDT Tue May 23 2017

VFR conditions expected through the period.




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