Storm Summary Number 1 for Western U.S. Heavy Snowfall and High
Wind
NWS Weather Prediction Center College Park MD
1100 PM EDT Mon May 06 2024

...Heavy snow and high winds expected across portions of the
Northern Rockies...

Winter Storm Warnings and Winter Weather Advisories are in effect
across portions of the Northern Rockies. A separate Winter Storm
Warning is in effect atop the western slope of the Black Hills.

A Blizzard Warning is in effect over Southwest Montana.

High Wind Warnings extend across much of the High Plains.

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

At 1000 PM EDT...Surface observations and radar imagery across the
Northern High Plains depict scattered moderate to locally heavy
rainfall on the northwest flank of a potent surface cyclone over
Southeast Montana. Sporadic elevation snow showers were noted in
the Intermountain West, while strong gradient winds buffeted much
of the Plains and Intermountain West.

...Selected preliminary Storm Total Snowfall in inches from 700 PM
EDT Mon May 06 through 1000 PM EDT Tue May 07...

...COLORADO...
SKYWAY 6 E                            8.0

...UTAH...
LIBERTY 1 SW                          8.0
SALT LAKE CITY 1 NNW                  7.5

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

...COLORADO...
COLORADO CITY 1 WNW                    90
EMPIRE 1 E                             86
ROCKY FLATS 3 SW                       81

...MONTANA...
AUGUSTA 11 WNW                         69
BIG TIMBER 2 SSW                       64
HELENA                                 52

...NEW MEXICO...
SAN IGNACIO 6 NNW                      64
NOGAL 2 ESE                            61

...WYOMING...
FOOTE CREEK NEAR ARLINGTON             89
BORDEAUX                               78
LONE TREE                              76
CHEYENNE                               62

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

...CALIFORNIA...
LOWER LASSEN PEAK                    31.0
PALISADES TAHOE SKI BASE             26.0


Beginning tonight, the aforementioned rain will transition to snow
across the Northern Rockies, and increase in intensity by late
Tuesday afternoon. As much as 1-2 feet of snowfall can be expected
in the higher terrain of the Northern Rockies. Overall winter
storm impacts over the next two days are expected to be highest
across the Big Belt and Little Belt mountains in Southwest
Montana, owing to heavy blowing snowfall.

The next Storm Summary will be issued by the Weather Prediction
Center at 1100 AM EDT. Please refer to your local National Weather
Service office for additional information on this event.

Asherman