Area Forecast Discussion
Issued by NWS Grand Forks, ND

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FXUS63 KFGF 221158
AFDFGF

Area Forecast Discussion
National Weather Service Grand Forks ND
658 AM CDT Mon May 22 2017

.UPDATE...
Issued at 656 AM CDT Mon May 22 2017

Adjusted pops for the morning to match current radar. Tweaked
morning temps. No other changes at this update.

&&

.SHORT TERM...(Today through Wednesday night)
Issued at 359 AM CDT Mon May 22 2017

Water vapor loop indicated an upper low over western Ontario
with short waves over southwest MAN, eastern MAN, western
Ontario and western WI. Short waves will rotate around upper
low for today and Tue. Upper low over Western Ontario will
move into northwest MN Mon night.

Upper low will move into IA/southeast MN on Tue and take the
showery precip with it. Upper level ridge over the western North
America will move over the Northern Plains Wed. Next upper low
will move into SASK by 12Z Thu.

.LONG TERM...(Thursday through Sunday)
Issued at 359 AM CDT Mon May 22 2017

For Thursday and Thursday night, a stacked surface and upper low in
southern Saskatchewan slowly shifts northeastward, bring southerly
flow and increased moisture supply into the Northern Plains. This
system brings breezy conditions and increased chances for showers,
and perhaps some storms, to the Red River Valley along and ahead of
the cold front passage in this timeframe.

For Friday and the upcoming weekend, the aforementioned system
matures to our north in the Canadian Plains. With west/northwest low
level flow and forcing behind the front, the latest model runs
suggest mostly drier periods for the weekend. While the weekend
doesn`t look to be a wash out by any means, an unsettled weather
pattern will bring some isolated to scattered light precipitation at
times and increased cloud cover as weak disturbances continue
swinging through.

Little change in temperature is expected for the end of the week and
through the weekend. Temperatures will be near to slightly below
normal with diurnal swings from highs in the 60s and 70s to lows in
the 40s to 50s.

&&

.AVIATION...(For the 12Z TAFS through 12Z Tuesday morning)
Issued at 656 AM CDT Mon May 22 2017

IFR/MVFR conditions were over the northeast zones. VFR conditions
were over the rest of the area. Expect IFR/MVFR conditions over
the northeast zones for the morning. Cigs should rise into the
MVFR category for the afternoon in the northeast. After sunset,
Cigs will lower back into the MVFR category for much of the area
and IFR category for the MN side of the Red River.

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...None.
MN...None.
&&

$$

UPDATE...JH
SHORT TERM...JH
LONG TERM...BP
AVIATION...JH



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