STORM SUMMARY NUMBER 01 FOR Western and Central U.S. Winter Storm
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 AM PST THU DEC 15 2016

...A LARGE STORM WILL PRODUCE HEAVY RAIN IN CALIFORNIA AND
WIDESPREAD ICE AND SNOW THROUGHOUT THE WESTERN UNITED STATES
SPREADING INTO THE MIDWEST THIS WEEKEND...

WINTER STORM WARNINGS ARE IN EFFECT FOR THE SIERRA MOUNTAINS IN
CALIFORNIA AND FOR BOTH MOUNTAIN AND VALLEY LOCATIONS IN THE
PACIFIC NORTHWEST AND INTERMOUNTAIN WEST...AS WELL AS PARTS OF THE
PLAINS AND MIDWEST.

WINTER STORM WATCHES ARE IN EFFECT FOR THE MOUNTAINS IN
COLORADO...NORTHERN NEW MEXICO...AND EASTERN UTAH...AND PARTS OF
WYOMING...NEBRASKA...AND SOUTH DAKOTA.

WINTER WEATHER ADVISORIES ARE IN EFFECT FOR IN PARTS OF THE
CENTRAL AND NORTHERN ROCKIES AND THE PACIFIC NORTHWEST...MAINLY IN
LOWER ELEVATIONS THAT ARE EXPECTING MODERATE AMOUNTS OF ICE OR
SNOW.

HIGH WIND WATCHES AND WARNINGS ARE IN EFFECT FOR PARTS OF
CALIFORNIA...OREGON...NEVADA...ARIZONA...NEW MEXICO...AND WYOMING.

FLOOD AND FLASH FLOOD WATCHES ARE IN EFFECT FOR MUCH OF CALIFORNIA
AND SOUTHWEST OREGON.

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 200 AM PST...LOW PRESSURE WITH A CENTRAL PRESSURE OF 1005
MB...29.68 INCHES...WAS STRETCHED ACROSS SOUTHWEST OREGON AND
NORTHWEST CALIFORNIA...MOVING SLOWLY SOUTH AND EAST. NATIONAL
WEATHER SERVICE DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED
THAT HEAVY RAIN WAS FALLING NEAR THE LOW PRESSURE SYSTEM. LIGHT TO
MODERATE PRECIPITATION IN THE FORM OF RAIN...FREEZING RAIN...AND
SNOW...EXTENDED INTO OTHER PARTS OF THE PACIFIC NORTHWEST AND THE
NORTHERN AND CENTRAL ROCKIES...INCLUDING PARTS OF
WASHINGTON...IDAHO...MONTANA...WYOMING...AND COLORADO.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST TUE DEC
13 THROUGH 200 AM PST THU DEC 15...

...COLORADO...
BRECKENRIDGE 1 SSE                    5.9                    

...IDAHO...
GRAND VIEW                            4.0                    
BOISE                                 2.0                    

...OREGON...
BEND 3 ENE                           14.0                    
LEXINGTON                             7.0                    
HERMISTON 2 N                         6.0                    
HOOD RIVER                            6.0                    
PILOT ROCK                            6.0                    
SALEM                                 5.0                    
WARREN                                3.5                    
PORTLAND SOUTHEAST                    3.3                    
PORTLAND DOWNTOWN                     1.5                    
TILAMOOK                              1.0                    

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST TUE DEC
13 THROUGH 200 AM PST WED DEC 15...

...OREGON...
GLENDALE                              4.13                    
COOS BAY 7 ESE                        2.12                    
CENTRAL POINT 2 NNE                   1.65                    

...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
700 AM PST TUE DEC 13 THROUGH 200 AM PST WED DEC 15...

...OREGON...
EUGENE                                0.40                    


THIS STORM SYSTEM WILL BECOME VERY LARGE...WITH MOST LOCATIONS IN
THE WESTERN HALF OF THE U.S. EXPERIENCING EITHER STRONG WINDS OR
HEAVY PRECIPITATION OR BOTH THROUGH FRIDAY NIGHT. TWO TO THREE
FEET OF SNOW IS EXPECTED IN THE HIGHER ELEVATIONS OF THE
CALIFORNIA SIERRAS AND IN PARTS OF WYOMING AND COLORADO. VERY
HEAVY RAIN WILL OCCUR TODAY IN CENTRAL AND NORTHERN
CALIFORNIA...WITH 2 TO 4 INCHES ALONG THE COAST AND IN SOME CASES
MORE THAN 6 INCHES IN THE SIERRA FOOTHILLS. THERE IS A RISK OF
FLOODING AND FLASH FLOODING OVER MUCH OF CALIFORNIA...INCLUDING
SOUTHERN CALIFORNIA WHERE A BRIEF PERIOD OF MODERATE TO HEAVY RAIN
IS EXPECTED LATE THURSDAY. LOW PRESSURE WILL TRACK TOWARD THE
CENTRAL ROCKIES BY FRIDAY...AND THEN SHOULD REFORM OVER THE
PLAINS...WITH HEAVY SNOW POTENTIALLY CONTINUING INTO THE NORTHERN
PLAINS AND UPPER MIDWEST.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 700 AM PST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

BURKE