The Weather Prediction Center

College Park, MD


Storm Summary Message



Storm Summary Number 6 for West Coast to Upper Midwest Storm System
NWS Weather Prediction Center College Park MD
800 PM MST Mon Jan 02 2023

...Heavy precipitation continues across the Central Plains and is
beginning to spread into the Upper Midwest...

Winter Storm Warnings and Winter Weather Advisories are in effect
for much of Wyoming, Colorado, South Dakota, Nebraska, Iowa,
Minnesota, and Wisconsin, and for portions of northern Michigan
and the higher elevations of Arizona and New Mexico.

Ice Storm Warnings are in effect for portions of central and
eastern Nebraska through northwestern Iowa and southern Minnesota.

High Wind Warnings are in effect for portions of southeastern New
Mexico and west Texas.

Wind Advisories are in effect for portions of central and
southeastern New Mexico and west Texas.

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

At 700 PM MST...The low pressure center was analyzed over the
Texas and Oklahoma panhandles with a minimum central pressure of
1001 mb (29.56 in Hg). An occluded front extends to the east to a
triple point low over the eastern Texas panhandle. From the triple
point,  cold front extends to the south and southwest across
central and west Texas, and a stationary front extends to the
northeast across the Middle Mississippi and Ohio Valleys to the
Mid-Atlantic. Latest radar and surface observations show moderate
to heavy precipitation gradually dissipating over the central and
southern Rockies while increasing in intensity and coverage across
the central Plains and southern portions of the northern Plains.
Precipitation is beginning to spread into the Upper Midwest this
evening and will continue to intensify overnight tonight.

...Selected preliminary Storm Total Snowfall in inches from 500 AM
MST Fri Dec 30 through 700 PM MST Mon Jan 02...

...ARIZONA...
FOREST LAKES 1 E                     20.0                    
PINETOP-LAKESIDE                     16.0                    
WILLIAMS 3.3 SSE                     13.8                    
FLAGSTAFF AIRPORT 12.1               12.1                    
BELLEMONT NWS FLAGSTAFF              10.8                    
GRAND CANYON SOUTH RIM               10.2                    
SUMMERHAVEN                          10.0                    
SHOW LOW 4.2 S                        8.5                    

...COLORADO...
ROCKWOOD 6.9 NNW                     28.3                    
MOUNT ZIRKEL 4 SE                    23.0                    
CRESTED BUTTE 6.2 N                  22.0                    
SILVERTON 0.3 WSW                    19.1                    
CAMERON PASS 9 SE                    19.0                    
GLENDEVEY 8 NW                       17.0                    
STEAMBOAT SPRINGS 1.9 E              16.1                    
ARAPAHOE PEAK 6 W                    15.0                    
COAL BANK PASS                       15.0                    
CLARK 7.5 N                          13.5                    
SILVERTON                            13.5                    
MOLAS PASS                           13.0                    
RED MOUNTAIN PASS                    12.0                    
MONARCH PASS 1 NNW                   10.0                    

...NEBRASKA...
S CODY                                7.0                    
WHITMAN 25 N                          6.0                    

...NEW MEXICO...
PAJARITO MOUNTAIN 1 NNE              10.0                    
MOGOLLON 6 ESE                        9.0                    
TAOS SKI VALLEY 1 SSW                 8.0                    

...SOUTH DAKOTA...
SHERMAN                              10.0                    
ALEXANDRIA 1 SW                       8.0                    
SALEM                                 8.0                    
HUMBOLDT 5 N                          7.5                    

...UTAH...
SUNDANCE                             48.0                    
BRIGHTON                             43.0                    
HEBER CITY 10.1 ESE                  30.3                    
PARK CITY                            28.0                    
SNOWBASIN                            24.0                    
POWDER MOUNTAIN                      23.0                    
SANDY 2.0 NE                         16.4                    

...WYOMING...
LANDER 13 SW                         27.0                    
SOUTH PASS CITY 10 NNW               26.0                    
RAWLINS                              24.0                    
COKEVILLE 21 NE                      22.0                    
FORT WASHAKIE 14 SW                  19.0                    
SMOOT 15 ESE                         17.0                    
CENTENNIAL                           16.0                    
CASPER 1.2 SW                        15.5                    
CARPENTER 4.1 NW                     15.0                    
TURNERVILLE 17 ESE                   15.0                    
CASPER 7 S                           13.0                    
SOUTH ENTRANCE 5 N                   13.0                    
WILSON 2.6 SSW                       13.0                    
ALTA 6 ENE                           12.0                    
MUDDY GAP 1 SSW                      12.0                    
ELK MOUNTAIN                         10.0                    

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

...CALIFORNIA...
PALISADES TAHOE SUMMIT                160                    
MAMMOTH MOUNTAIN                      116                    
HEAVENLY SKI SUMMIT 1 NNW              99                    
ALPINE MEADOWS 2.9 W                   82                    
CONWAY SUMMIT                          82                    
CROWLEY LAKE 6 W                       80                    
JAWBONE                                70                    
BIRD SPRINGS PASS                      66                    
SACRAMENTO EXEC AIRPORT                64                    
HORSE THIEF SPRINGS                    61                    
MAMMOTH YOSETIME AIRPORT               47                    

...NEVADA...
HAWTHORNE 6 NW                         93                    
YERINGTON 5 ENE                        64                    
RENO 2 NW                              55                    

...UTAH...
SCIPIO SUMMIT                          54                    
PAROWAN                                51                    
MONUMENT PEAK                          49                    

...Selected preliminary Storm Total Snowfall in inches where the
event has ended...

...CALIFORNIA...
MAMMOTH MOUNTAIN SKI BA              54.0                    
PALISADES TAHOE SKI BAS              47.0                    
SOUTH LAKE 1 NNE                     39.0                    
TAHOMA .5 S                          33.7                    
LONE PINE 11 SW                      29.0                    
TRUCKEE 1.6 N                        28.0                    
ROUND VALLEY 9 WNW                   27.0                    
SOUTH LAKE TAHOE 4.9 SW              24.5                    

...IDAHO...
MCCALL 9.3 SSE                       27.5                    
NEW MEADOWS 2.1 NNW                  10.8                    
GENEVA                                9.0                    
BERN                                  8.0                    
ST. ANTHONY                           7.0                    
HOLBROOK 4 NNE                        6.8                    

...MONTANA...
CARROT BASIN                          5.0                    
CLOVER MEADOW                         4.0                    
LONE MOUNTAIN                         4.0                    

...NEVADA...
DIAMOND PEAK SKI BASE                40.0                    
MT. ROSE SKI BASE                    40.0                    
GARDNERVILLE 2 SE                    30.0                    
INCLINE VILLAGE 1 NNW                24.0                    
RENO 9.0 W                           11.0                    

...Selected preliminary Storm Total Rainfall in inches where the
event has ended...

...CALIFORNIA...
CAMINO 1.2 N                        11.68                    
PLACERVILLE 0.9 NE                  11.30                    
SANTA CRUZ 8.9 NW                   10.98                    
VOLCANO 3.2 N                       10.41                    
HOMEWOOD                             8.67                    
WHITETHORN 2.4 WSW                   8.59                    
MIDPINES 4 ESE                       8.44                    
FRESH POND                           8.40                    
JERSEYDALE                           8.03                    
GOAT MOUNTAIN                        7.56                    
BLUE CANYON NYACK AIRPORT            7.37                    
MARIPOSA 3.7 NNW                     7.23                    
SNF06 PORTABLE                       6.84                    
CRANE FLAT                           6.51                    
HELL HOLE                            6.49                    
BALD MTN LOC                         6.33                    
SHAVER LAKE RAWS                     6.23                    
LAYTONVILLE 9.8 NNW                  6.18                    
NORTH FORK                           6.14                    
GIANT FOREST                         5.97                    
AVERY                                5.82                    
CHILKOOT MEADOW                      5.72                    
MOUNT ZION                           5.45                    
SOUTH FORK EEL RIVER AT LEGGETT      5.44                    
STRAWBERRY VALLEY                    5.42                    
WHITE CLOUD                          5.37                    
MOUNT ELIZABETH                      5.17                    
STEELY FORK                          4.87                    
BEN LOMOND                           4.55                    
RANCHO MURIETA 3.5 N                 4.29                    


Precipitation is forecast to continue in the higher elevations of
the Rockies through tonight then taper off on Tuesday. Additional
snowfall totals of 2 to 10 inches expected with locally higher
amounts possible. The system is forecast to intensify while
tracking northeast across the Central Plains to the Upper Midwest
through midweek. A large swath of moderate to very heavy snow,
significant freezing rain, and sleet is expected across the Plains
through Tuesday and across the Upper Midwest through Wednesday.
Intense snowfall rates of 1 to 3 inches per hour are likely from
parts of Nebraska and South Dakota into Minnesota with more than
12 inches of snow forecast for this region. Gusty winds
accompanying the system will result in blowing snow, causing snow
covered roads, reduced visibility, and dangerous travel. Localized
significant ice accumulations exceeding 0.25 inches are likely
from portions of eastern Nebraska through southern Minnesota,
which could damage trees and power lines. The storm system will
linger over the Upper Midwest while weakening late in the work
week, then push towards the Northeast this weekend.

The next Storm Summary will be issued by the Weather Prediction
Center at 800 AM MST. Please refer to your local National Weather
Service office for additional information on this event.

Dolan




Last Updated: 935 PM EST MON JAN 02 2023