Storm Summary Number 01 for Northern Rockies to Northern Plains
Winter Storm
NWS Weather Prediction Center College Park MD
300 PM MDT Wed Oct 09 2019

...A powerful early-season winter storm is bringing strong winds
and heavy snows to the northern Rockies and High Plains...

Winter Storm Warnings and Advisories are in effect from the
northern and central Rockies to central South Dakota and eastern
North Dakota

Winter Storm Watches are in effect from central Nebraska to
northwestern Minnesota

Wind Advisories and High Wind Watches are in effect for portions
of the Great Basin, California and the Southwest

Red Flag Warnings are in effect for portions of the central
Rockies, Great Basin, Southwest and California

Freeze Warnings and Watches are in effect for portions of the
Pacific Northwest, Great Basin and the central to southern Plains

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

At 200 PM MDT...Surface observations indicated sharply colder air
spilling south behind a strong cold front extending from the
northern Plains back through the central Rockies, Great Basin and
central California. Light to moderate snow was falling from the
northern Rockies of southeastern Idaho, southwestern Montana and
northwestern Wyoming through eastern Montana into northwestern
North Dakota.

...Selected preliminary Storm Total Snowfall in inches from 800 AM
MDT Tue Oct 08 through 200 PM MDT Wed Oct 09...

...MONTANA...
PONY                                 24.0                    
CLANCY 3 W                           16.5                    
HELENA 7 SW                          16.5                    
HOMESTAKE PASS                       13.5                    
WHITEHALL 14 W                       13.5                    
JANEY 8 S                            12.0                    
MARIAS PASS                          12.0                    
GREAT FALLS 5 SSW                    11.5                    
LEWISTON                             10.0                    

...Selected preliminary Peak Wind gusts in miles per hour earlier
in the event...

...COLORADO...
BUFORD 13 ENE                          58                    
DOUGLAS PASS                           55                    

...IDAHO...
ROVER                                  57                    
MOBURG CANYON                          55                    

...SOUTH DAKOTA...
REVA 13 SSW                            56                    

...UTAH...
EAGLE MOUNTAIN                         57                    


Snows will spread farther east into the northern Plains tonight
and continue into Saturday over the Dakotas and northwestern
Minnesota. Snows will also spread south into the central Rockies
and central High Plains on Thursday. Additional snowfall amounts
of 6-10 inches are expected across northern Rockies from
southwestern Montana and northwestern Wyoming. Snowfall amounts of
6-10 inches are also expected across portions of the central
Rockies. Snowfall amounts of 8-15 inches are expected from
southeastern Montana and eastern Wyoming into the Nebraska
Panhandle, western South Dakota and southwestern North Dakota.
Potentially historic October snowfall totals are becoming
increasingly likely across portions of central and eastern Dakota
- where a swath of accumulations well exceeding 24 inches is
possible. Farther east, accumulations of 4-8 inches are expected
across northwestern Minnesota. Blowing snow is also expected, with
blizzard conditions possible. 

The next Storm Summary will be issued by the Weather Prediction
Center at 900 PM MDT. Please refer to your local National Weather
Service office for additional information on this event.

Pereira