THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



 
STORM SUMMARY NUMBER 5 FOR HEAVY RAIN EVENT OVER NORTHERN
CALIFORNIA AND SOUTHWESTERN OREGON
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
1 AM PST WED DEC 28 2005

... WAVES OF HEAVY PRECIPITATION THREATENING THE PACIFIC
NORTHWEST...WIDESPREAD SNOW EXPECTED IN THE MOUNTAINS...

THE LATEST NATIONAL WEATHER SERVICE RADAR IS CURRENTLY SHOWING A
DISTINCT PRECIPITATION SHIELD ACROSS NORTHERN CALIFORNIA...AND A
SECONDARY AREA ACROSS SOUTHWEST WASHINGTON AND EASTERN OREGON. 

AT 12 AM PST...THERE WAS ONE SURFACE LOW PRESSURE CENTER LOCATED
IN THE GULF OF ALASKA AND A SECONDARY SURFACE LOW LOCATED 300 NM
WEST OF ASTORIA OREGON. OVER THE NEXT 24 HOURS... THERE IS THE
POTENTIAL FOR RAINFALL AMOUNTS OF 2 TO 4 INCHES OVER NORTHERN
CALIFORNIA...OREGON...WASHINGTON STATE...NORTHERN
NEVADA...IDAHO...MONTANA...AND UTAH. THE NEXT WAVE OF HEAVY
PRECIPITATION FOR THE PACIFIC NORTHWEST WILL BEGIN ON FRIDAY. THIS
SYSTEM HAS THE POTENTIAL TO PRODUCE ADDITIONAL RAINFALL AMOUNTS OF
4 TO 8 INCHES.

FLOOD WATCHES AND WARNING ARE CURRENTLY IN EFFECT FOR PORTIONS OF 
CALIFORNIA AND OREGON. 

HEAVY SNOW WARNINGS ARE IN EFFECT FOR PORTIONS OF IDAHO.
WINTER STORM WATCHES AND WARNINGS ARE IN EFFECT FOR PORTIONS OF
IDAHO...MONTANA...WYOMING...AND CALIFORNIA. SNOW ADVISORIES ARE IN
EFFECT FOR PORTIONS OF WASHINGTON... OREGON...AND NEVADA...AS WELL
AS PORTIONS OF THE NORTHERN ROCKIES.

HIGH WIND WATCHES AND WARNINGS HAVE BEEN ISSUED FOR THIS INTENSE
LOW PRESSURE SYSTEM AS SUSTAINED WINDS OF 40 MPH  AND GUSTS IN
EXCESS OF 50 MPH ARE FORECAST FOR PORTIONS OF THE PACIFIC
NORTHWEST. 

A ZONE AVALANCHE FORECAST HAS BEEN ISSUED FOR THE CASCADES NEAR
AND WEST OF THE CREST CASCADE PASSES. 

...PRELIMINARY RAINFALL TOTALS THROUGH WEDNESDAY 1 AM PST...

CALIFORNIA...

HONEYDEW..............................4.56 INCHES  1200 AM PST
ELK VALLEY............................4.16 INCHES  1200 AM PST
GIRARD................................3.48 INCHES  1200 AM PST
VENADO................................3.40 INCHES  1200 AM PST
YORKVILLE.............................3.20 INCHES  1200 AM PST
TAYLOR RIDGE..........................3.08 INCHES  1200 AM PST
FORT STEWARD..........................2.68 INCHES  1100 PM PST
SHASTA DAM............................2.52 INCHES  1100 PM PST
HILLCREST.............................2.40 INCHES  1100 PM PST
MCCLOUD...............................2.32 INCHES   630 PM PST
HAPPY CAMP............................2.20 INCHES   430 PM PST
 

OREGON...

QUAIL PRAIRE..........................4.92 INCHES   610 PM PST
ILLINOIS VALLEY.......................4.10 INCHES   605 PM PST
ELK VALLEY............................4.08 INCHES  1100 PM PST
RED MOUND.............................3.80 INCHES   615 PM PST
EMMIGRANT.............................2.33 INCHES  1050 PM PST
YELLOWSTONE MOUNTAIN..................2.25 INCHES  1035 PM PST
CRATER LAKE...........................2.20 INCHES  1100 PM PST
SEXTON SUMMIT.........................2.11 INCHES  1100 PM PST
LAUREL MOUNTAIN.......................1.97 INCHES   900 AM PST
MURPHY................................1.88 INCHES   400 PM PST
GRANTS PASS...........................1.81 INCHES   400 PM PST
CHARLOTTE RIDGE.......................1.72 INCHES  1000 PM PST
MT HOOD...............................1.70 INCHES  1000 PM PST
ROSEBURG..............................1.61 INCHES   400 PM PST
MARION FORKS..........................1.34 INCHES   900 AM PST
CANYONVILLE...........................1.25 INCHES   430 PM PST
SEXTON SUMMIT.........................1.15 INCHES  1000 AM PST
ZIM...................................1.00 INCHES  1000 PM PST


THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 7 AM PST FOR THIS SYSTEM.  PLEASE REFER TO
STATEMENTS ISSUED BY LOCAL NATIONAL WEATHER SERVICE OFFICES FOR
FURTHER INFORMATION ON THIS STORM.

SZATANEK







Last Updated: 426 AM EST WED DEC 28 2005