THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



 
STORM SUMMARY NUMBER 3 FOR HEAVY RAIN IN OREGON/CALIFORNIA
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 PM PST FRI DEC 30 2005

...HEAVY PRECIPITATION NOW FALLING ACROSS PORTIONS OF THE PACIFIC
NORTHWEST...NORTHERN CALIFORNIA AND THE NORTHERN GREAT BASIN...

ANOTHER POTENT AND MOISTURE LADEN PACIFIC WEATHER SYSTEM IS
CURRENTLY MOVING ACROSS THE NORTHWESTERN U.S. WITH LOCAL RADARS
AND SURFACE OBSERVATIONS INDICATING THAT SIGNIFICANT PRECIPITATION
IS NOW FALLING ACROSS PORTIONS OF THE PACIFIC NORTHWEST...NORTHERN
CALIFORNIA AND THE NORTHERN GREAT BASIN.

FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR MOST OF WESTERN
OREGON...INCLUDING THE CASCADES...AND NORTHERN CALIFORNIA.  A
FLASH FLOOD WATCH HAS BEEN POSTED FOR PORTIONS OF VENTURA AND LOS
ANGELES COUNTY IN SOUTHERN CALIFORNIA. SNOW ADVISORIES HAVE BEEN
POSTED FOR THE WESTERN SLOPES AND PASSES OF THE CENTRAL AND
SOUTHERN WASHINGTON CASCADES.  SNOW ADVISORIES ARE ALSO IN EFFECT
FOR SISKIYOU COUNTY IN NORTHERN CALIFORNIA AND EASTERN KLAMATH AND
WESTERN LAKE COUNTIES OF SOUTHERN OREGON...AS WELL AS THE
CLEARWATER MOUNTAINS AND LEHMI COUNTY OF EASTERN IDAHO AND FOR
NORTHERN ELKO COUNTY IN NEVADA.  HEAVY SNOW WARNINGS ARE IN EFFECT
FOR THE CASCADES AND NORTHEAST MOUNTAINS OF WASHINGTON.  IN
IDAHO...HEAVY SNOW WARNINGS HAVE BEEN POSTED FROM THE WEST CENTRAL
TO THE SAWTOOTH MOUNTAINS AND FROM THE UPPER SNAKE HIGHLANDS TO
THE WASATCH...THE SOUTHWEST HIGHLANDS AND THE NORTHERN PANHANDLE. 
ACROSS OREGON...HEAVY SNOW WARNINGS HAVE BEEN ISSUED FROM THE
OCHOCO-JOHN DAY HIGHLANDS TO WALLOWA AND BAKER COUNTIES.  A WINTER
STORM WARNING IS IN EFFECT FOR THE SIERRA NEVADA RANGE.   

THE HEAVIEST RAINFALL THROUGH SATURDAY SHOULD FALL ACROSS
NORTHWEST CALIFORNIA...EXTREME SOUTHWEST OREGON AND THE NORTHERN
AND CENTRAL SIERRA.  THE CASCADES AND HIGHER ELEVATIONS OF THE
NORTHERN AND CENTRAL SIERRA SHOULD SEE HEAVY SNOW ACCUMULATIONS.  

...SELECTED 24 HOUR RAINFALL AMOUNTS...

WASHINGTON...

STAMPEDE PASS................1.28 INCHES   1000 AM PST
HOQUIAM/BOWERMAN.............1.11 INCHES   1000 AM PST
SANDERSON FIELD..............1.03 INCHES   1000 AM PST

OREGON...

ASTORIA/CLATSOP..............2.92 INCHES   1000 AM PST
CORVALLIS....................2.30 INCHES   1000 AM PST
CRATER LAKE..................2.10 INCHES   1100 AM PST
SEXTON SUMMIT................1.82 INCHES   1000 AM PST
MCMINNVILLE..................1.78 INCHES   1000 AM PST
SALEM/MCNARY.................1.77 INCHES   1000 AM PST
ROSEBURG.....................1.63 INCHES   1000 AM PST
PORTLAND.....................1.30 INCHES   1000 AM PST

CALIFORNIA...

ELK VALLEY...................4.32 INCHES   1100 AM PST
HONEYDEW.....................2.76 INCHES   1100 AM PST
GASQUET......................2.60 INCHES   1100 AM PST
GIRARD.......................2.36 INCHES   1100 AM PST
COTTONWOOD CREEK.............2.16 INCHES   1100 AM PST
TAYLOR RIDGE.................2.00 INCHES   1100 AM PST
SHASTA DAM...................1.80 INCHES   1100 AM PST
CRESCENT CITY................1.66 INCHES   1100 AM PST
WILLITS......................1.64 INCHES   1100 AM PST

...SELECTED STORM SNOWFALL TOTALS...

OREGON...

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

IDAHO...

PINE.......................11.0 INCHES     1045 AM PST

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

PEREIRA






Last Updated: 345 PM EST FRI DEC 30 2005