Area Forecast Discussion
Issued by NWS Bismarck, ND

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FXUS63 KBIS 231736
AFDBIS

Area Forecast Discussion
National Weather Service Bismarck ND
1236 PM CDT Tue May 23 2017

.UPDATE...
Issued at 1100 AM CDT Tue May 23 2017

Relatively cool air over the cloudy region in the southeast with
much warmer air over the sunny west and central creating
thermal/pressure differences and enhanced winds the earlier
forecast did not account for. Raised the winds to 25 to 35 mph
and gusty south central. Updated clouds and raise highs into the
lower 70s northwest.

UPDATE Issued at 821 AM CDT Tue May 23 2017

With this update will cancel the frost advisory.

UPDATE Issued at 621 AM CDT Tue May 23 2017

No major changes required for this update.

&&

.SHORT TERM...(Today and tonight)
Issued at 328 AM CDT Tue May 23 2017

High pressure will move later today. This will bring a clearing of
skies from west to east. It will be breezy today across the James
Valley as the pressure gradient steepens ahead of the approaching
high pressure center.

.LONG TERM...(Wednesday through Monday)
Issued at 328 AM CDT Tue May 23 2017

The extended will generally remain below normal for temperatures
with limited precipitation. An upper low across southern Canada
will pull a cold front through western North Dakota Wednesday
Afternoon. Scattered showers will form along the cold front. CAPE
will be limited but zero to 6 km shear sufficient to support a
few thunderstorms along the front.

There will be lingering showers across the north and east
Thursday. Friday through Memorial Day will see spotty showers but
not anything widespread. Highs through the weekend into Memorial
Day period mostly in the 60s to lower 70s.

&&

.AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon)
Issued at 1235 PM CDT Tue May 23 2017

As an upper level low continues to drift out of the region, clear to
mostly clear skies will dominate the weather across western North
Dakota, with diurnaly driven cloudy conditions and lower ceilings
lingering from the Missouri River Valley to the James River Valley.
Through the afternoon, KJMS may experience brief episodes of MVFR
ceilings. Elsewshere, VFR conidtions are expected through the
forecast period. Gusty north northeast winds will settle down
overnight before increasing again and shifting to the south
southeast on Wednesday, mainly over northwest and north central
North Dakota.

&&

.BIS WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

UPDATE...WAA
SHORT TERM...AJ
LONG TERM...AJ
AVIATION...ZH



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