Area Forecast Discussion
Issued by NWS Bismarck, ND

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
FXUS63 KBIS 231950

Area Forecast Discussion
National Weather Service Bismarck ND
250 PM CDT Fri Mar 23 2018

.SHORT TERM...(This evening through Saturday)
Issued at 225 PM CDT Fri Mar 23 2018

Have downgraded the Winter Storm Warning to an Advisory across the
southern tier of counties east of the Missouri River. Otherwise
have kept the winter storm warning going as is.

Latest satellite imagery shows a northeast tracking jet streak
from western South Dakota into southwest North Dakota. This
feature correlates with increasing reflectivities on radar across
South central North Dakota. This is the main reason we will leave
the winter storm warning going for portions of south central North

Also starting to see some freezing rain and sleet where a ice
crystals in are lacking. Fog will also be seen southwest in good
low level upslope flow.

Finally, the significant blowing snow across the northwest will
improve slowly this evening.

The snow will rapidly diminish tonight and Saturday will see the
snow end in the east by noon.

.LONG TERM...(Saturday night through Friday)
Issued at 225 PM CDT Fri Mar 23 2018

The extended will see an active period of weather Sunday and
Monday as another shortwave  good chance for rain and snow Sunday
as a broad trough swings through the northern plains.

Otherwise the region will be under the influence of northwest
flow Wednesday through friday with several transient waves that
will give the region a chance of rain and snow. Warmest
temperatures will be southwest with highs in the 30s and lower
40s during this period. Cooler with highs in the low to mid 30s
north and east.


.AVIATION...(For the 18Z TAFS through 18Z Saturday afternoon)
Issued at 125 PM CDT Fri Mar 23 2018

Vlifr vsbys and ifr cigs with heavy snow and gusty southeast winds
to 35kt will continue through 00z. A mix of rain/snow/freezing
rain at KDIK through 23z Friday. Precipitation and winds will
diminish from west to east after 00z, but not exiting KJMS until
12z-15z Saturday. Cigs will remain in vlifr to ifr status through
18z Saturday.


Winter Storm Warning until 7 AM CDT /6 AM MDT/ Saturday for

Winter Weather Advisory until 1 AM CDT /midnight MDT/ Saturday
for NDZ017-032-033-041-042-045.

Winter Weather Advisory until 7 AM CDT Saturday for NDZ046>048-



AVIATION...KS is the U.S. government's official web portal to all federal, state and local government web resources and services.