THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



 
STORM SUMMARY NUMBER 5 FOR HEAVY RAIN ALONG THE WEST COAST
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 AM PST SAT DEC 31 2005

...HEAVY PRECIPITATION STILL FALLING ACROSS THE WESTERN U.S....

A POTENT AND MOISTURE LADEN PACIFIC WEATHER SYSTEM IS CONTINUING
TO MOVE ACROSS THE WESTERN U.S. WITH LOCAL RADARS AND SURFACE
OBSERVATIONS INDICATING THAT THE MOST SIGNIFICANT PRECIPITATION IS
NOW FALLING ACROSS CENTRAL CALIFORNIA. OTHER AREAS OF HEAVY
PRECIPITATION INCLUDE PORTIONS OF THE NORTHERN GREAT
BASIN...NORTHWEST OREGON AND SOUTHWEST WASHINGTON...AND PORTIONS
OF NORTHERN IDAHO.

FLOOD WARNINGS ARE IN EFFECT FOR MOST OF NORTHERN
CALIFORNIA...PORTIONS OF WESTERN OREGON...AND PORTIONS OF WESTERN
NEVADA.  A FLASH FLOOD WATCH HAS BEEN POSTED FOR PORTIONS OF SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES IN SOUTHERN
CALIFORNIA. 

SNOW ADVISORIES HAVE BEEN POSTED FOR THE SOUTHERN OREGON CASCADES
AND THE SISKIYOU MOUNTAINS IN NORTHERN CALIFORNIA. SNOW ADVISORIES
ARE ALSO IN EFFECT FOR WESTERN MONTANA...WESTERN WYOMING...THE
CLEARWATER MOUNTAINS IN NORTHERN IDAHO...AND THE UPPER SNAKE RIVER
PLAIN IN EASTERN IDAHO.  

HEAVY SNOW WARNINGS ARE IN EFFECT FOR THE EASTERN SLOPES OF THE
CENTRAL WASHINGTON CASCADES...IN ELEVATIONS ABOVE 2500 FEET IN THE
MOUNTAINS OF NORTHEAST WASHINGTON INTO THE IDAHO PANHANDLE...IN
EASTERN OREGON AND SOUTHWEST IDAHO FOR ELEVATIONS ABOVE 5000
FEET...AND IN THE MOUNTAINS OF CENTRAL AND EASTERN IDAHO. A WINTER
STORM WARNING IS IN EFFECT FOR THE SIERRA NEVADA RANGE IN
CALIFORNIA.

SNOW AND BLOWING SNOW ADVISORIES ARE IN EFFECT FOR THE WASATCH
RANGE AND WESTERN UINTA MOUNTAINS IN NORTHERN UTAH AND FOR HIGH
ELEVATIONS IN NORTHWEST COLORADO.   

THE HEAVIEST RAINFALL THROUGH SATURDAY SHOULD FALL ACROSS
NORTHWEST CALIFORNIA...EXTREME SOUTHWEST OREGON AND THE NORTHERN
AND CENTRAL SIERRA WHERE ADDITIONAL RAINFALL AMOUNTS OF 4 TO 6
INCHES ARE EXPECTED THROUGH SUNDAY MORNING. THE CASCADES AND
HIGHER ELEVATIONS OF THE NORTHERN AND CENTRAL SIERRA SHOULD SEE
HEAVY SNOW ACCUMULATIONS. HEAVY SNOW WILL ALSO BE LIKELY IN
PORTIONS OF THE NORTHERN ROCKY MOUNTAINS FROM NORTHERN IDAHO AND
WESTERN MONTANA TO NORTHERN UTAH.  

...SELECTED 24 HOUR RAINFALL AMOUNTS...

WASHINGTON...

STAMPEDE PASS................1.48 INCHES    400 PM PST
HOQUIAM/BOWERMAN.............1.43 INCHES    400 PM PST
BREMERTON NTNL...............1.31 INCHES    400 PM PST
SANDERSON FIELD..............1.24 INCHES    400 PM PST
TOLEDO WINLOCK...............1.03 INCHES    400 PM PST

OREGON...

WILLIAMS.....................4.10 INCHES   1200 AM PST
CENTRAL POINT................3.47 INCHES    520 PM PST
IDLEYLD PARK.................3.32 INCHES    800 PM PST
ASTORIA/CLATSOP..............3.06 INCHES    400 PM PST
CORVALLIS....................3.05 INCHES    400 PM PST
MYRTLE POINT.................2.96 INCHES    458 PM PST
SELMA........................2.87 INCHES    317 PM PST
CRATER LAKE..................2.80 INCHES   1200 AM PST
SEXTON SUMMIT................2.71 INCHES   1200 AM PST
MURPHY.......................2.72 INCHES    445 PM PST
COQUILLE.....................2.65 INCHES    459 PM PST
ROSEBURG.....................2.55 INCHES    400 PM PST
SALEM/MCNARY.................2.39 INCHES    400 PM PST
COOS BAY.....................2.32 INCHES    541 PM PST
EUGENE.......................2.19 INCHES   1000 PM PST
MEDFORD......................2.08 INCHES   1200 AM PST

CALIFORNIA...

WILLITS......................6.76 INCHES   1200 AM PST
VENADO.......................5.80 INCHES   1200 AM PST
ELK VALLEY...................5.72 INCHES   1200 AM PST
BRUSH CREEK..................5.59 INCHES   1200 AM PST
ST. HELENA...................5.04 INCHES   1200 AM PST
GIRARD.......................5.00 INCHES   1200 AM PST
WILLOW CREEK.................4.90 INCHES    400 PM PST
YORKVILLE....................4.84 INCHES   1200 AM PST
HILLCREST....................4.84 INCHES   1200 AM PST
BLUE CANYON..................4.79 INCHES   1200 AM PST
HONEYDEW.....................4.76 INCHES   1200 AM PST
UKIAH........................4.35 INCHES   1200 AM PST
TAYLOR RIDGE.................4.20 INCHES   1200 AM PST
ORLEANS......................4.09 INCHES    400 PM PST
HAPPY CAMP...................4.04 INCHES    527 PM PST
GASQUET......................4.00 INCHES   1200 AM PST


...SELECTED STORM SNOWFALL TOTALS...

WASHINGTON...

ENTIAT.......................11.0 INCHES    525 PM PST
KETTLE FALLS.................10.0 INCHES    803 PM PST
WATERVILLE...................10.0 INCHES    515 PM PST
WENATCHEE.....................9.0 INCHES    515 PM PST

OREGON...

SUMPTER......................13.0 INCHES   1045 AM PST
HALFWAY......................12.0 INCHES   1045 AM PST

IDAHO...

MOUNTAIN HOME................27.0 INCHES    939 PM PST
PINE.........................24.0 INCHES    521 PM PST
BURLEY.......................18.0 INCHES    512 PM PST
MACKAY.......................12.0 INCHES    445 PM PST

UTAH...

BEN LOMOND PEAK..............10.0 INCHES   1100 PM PST
TONY GROVE LAKE...............9.0 INCHES   1100 PM PST
SNOWBASIN MID BOWL............9.0 INCHES   1100 PM PST
SNOWBIRD......................9.0 INCHES   1100 PM PST
ALTA COLLINS..................9.0 INCHES   1100 PM PST

THE NEXT STORM SUMMARY WILL BE ISSUED AT 700 AM PST BY THE
HYDROMETEOROLOGICAL PREDICTION CENTER. FOR ADDITIONAL
INFORMATION...PLEASE REFER TO STATEMENTS AND WARNINGS ISSUED BY
THE LOCAL NATIONAL WEATHER SERVICE OFFICES.

TRIMARCO





Last Updated: 411 AM EST SAT DEC 31 2005