STORM SUMMARY NUMBER 01 FOR WESTERN U.S. TO NORTHERN PLAINS WINTER
STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
200 PM MST WED DEC 29 2010
 
...HEAVY SNOW AND STRONG WINDS IMPACTING THE WESTERN U.S....
 
BLIZZARD WARNINGS ARE IN EFFECT FOR PORTIONS OF EASTERN
WASHINGTON...NORTHWEST IDAHO...SOUTHEAST WYOMING...WESTERN
NEBRASKA...SOUTHEAST ARIZONA...AND SOUTHWEST NEW MEXICO.  WINTER
STORM WATCHES...WARNINGS...AND WINTER WEATHER ADVISORIES ARE IN
EFFECT ACROSS MUCH OF THE WESTERN U.S. AND INTO THE SOUTHERN AND
CENTRAL PLAINS. HIGH WIND WARNINGS...WATCHES...AND ADVISORIES HAVE
BEEN ISSUED FOR MANY LOCATIONS ACROSS THE WESTERN U.S. AND ALONG
THE ROCKIES.
 
FLOOD WARNINGS AND FLASH FLOOD WATCHES ARE IN EFFECT FOR PORTIONS
OF WESTERN OREGON AND CENTRAL MONTANA.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 100 PM MST...A 983 MB...29.03 INCHES...SURFACE LOW WAS LOCATED
OVER SOUTHWESTERN MONTANA WITH A COLD FRONT EXTENDED FROM THE LOW
ACROSS THE CENTRAL GREAT BASIN AND SOUTHERN CALIFORNIA.  FURTHER
NORTH...A SECOND COLD FRONT WAS DROPPING SOUTHWARD THROUGH THE
NORTHERN ROCKIES AND NORTHERN PLAINS.  NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED MODERATE TO
HEAVY SNOW WAS FALLING ACROSS PATCHY AREAS OF THE WESTERN HALF OF
THE COUNTRY...WITH RAIN BEING REPORTED ALONG THE PACIFIC COAST AND
IN SOME OF THE LOWER ELEVATIONS.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM MST TUE DEC
28 THROUGH 200 PM MST WED DEC 29...

...CALIFORNIA...
LODGEPOLE                            25.0                     
PONDEROSA                            20.0                     
GRANT GROVE                          12.5                     

...IDAHO...
ELMIRA                                6.0                     
WINCHESTER                            6.0                     
CLARKS FORK 5 E                       5.0                     
MOSCOW 1 SW                           4.0                     
SANDPOINT 7 NNE                       4.0                     
VIOLA 5 NE                            4.0                     

...MONTANA...
WHITE SULPHUR 18 W                    8.0                     

...OREGON...
GREENHORN 8 WSW                      17.0                     
UKIAH 16 WNW                         15.0                     

...WASHINGTON...
AIRWAY HEIGHTS 6 N                    7.5                     
DAVENPORT                             7.0                     
DUVALL                                4.0                     

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM MST TUE DEC
28 THROUGH 200 PM MST WED DEC 29...

...CALIFORNIA...
BLUE CANYON                           2.12                     

...OREGON...
ROCKAWAY BEACH                        4.00                     
MEACHAM                               2.24                     

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR IN THE LAST SIX
HOURS...

...CALIFORNIA...
CAMP NINE                               50                     
LAKE PALMDALE                           50                     

...IDAHO...
POCATELLO MUNI ARPT                     57                     

...MONTANA...
LIVINGSTON AIRPORT                      67                     

...WYOMING...
CASPER/NATRONA CITY INTL ARPT           62                     


THE SYSTEM WILL PUSH SOUTH AND EAST OVER THE WESTERN U.S. ON
WEDNESDAY EVENING...ALLOWING THE HEAVY SNOW AND GUSTY WINDS TO
CONTINUE ACROSS THE REGION.  WIDESPREAD SNOWFALL TOTALS OF 6 TO 12
INCHES ARE LIKELY ACROSS THE WEST...WITH HIGHER AMOUNTS EXPECTED
FOR THE HIGHER ELEVATIONS.  AS THIS SYSTEM TRACKS INTO THE CENTRAL
U.S. LATE WEDNESDAY NIGHT AND EARLY THURSDAY MORNING...THE HEAVY
SNOW AND STRONG WINDS WILL BEGIN TO IMPACT LOCATIONS FROM THE
NORTHERN AND CENTRAL HIGH PLAINS EASTWARD TO THE UPPER MISSISSIPPI
VALLEY.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 800 PM MST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

GERHARDT