Area Forecast Discussion
Issued by NWS Grand Forks, ND

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FXUS63 KFGF 230903

Area Forecast Discussion
National Weather Service Grand Forks ND
403 AM CDT Wed Aug 23 2017

.SHORT TERM...(Today through Friday night)
Issued at 357 AM CDT Wed Aug 23 2017

Water vapor loop indicated a short wave/jet streak over east
central SASK. Short wave forecast to move southeast across
northwest MN this afternoon and evening. Precipitable water
rises to a little over an inch this afternoon and evening.
Short wave will produce showers and isolated thunder mainly
over the MN side for today and this evening.

Upper level ridge over the northern Rockies will move into the
Northern Plains Fri. Warm advection precip will move into the area
Fri and Fri night. Precipitable water rises to over an inch and a
half by Fri night.

.LONG TERM...(Saturday through Tuesday)
Issued at 357 AM CDT Wed Aug 23 2017

Saturday-Tuesday...Models in decent agreement indicating a stronger
signal for rain Saturday into Sunday. Details such as timing,
amounts, and location still uncertain. Guidance depicts the
responsible upper level wave will be slow moving, and heavier rain
could be possible (likely not excessive given lack of instability,
but maybe an inch or two). Dry weather expected to start the next
work week. Temperatures near normal values.


.AVIATION...(For the 06Z TAFS through 06Z Wednesday night)
Issued at 1112 PM CDT Tue Aug 22 2017

VFR. Light winds becoming SE tomorrow with a chance for some
patchy fog NE of TVF and N of BJI. An upper wave moves across N
Cntrl MN tomorrow and will bring a chance for shra or an isold
storm to areas just north and east of BJI/TVF. Too far out to pin
down for TAF sites, but activity should begin in the 02Z to 06Z




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