STORM SUMMARY NUMBER 01 FOR PACIFIC NORTHWEST HEAVY PRECIPITATION
AND HIGH WINDS
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
200 AM PDT SUN SEP 29 2013

...PACIFIC STORM SYSTEM CONTINUES TO STREAM MOISTURE INTO THE
NORTHWESTERN STATES...     

FLOOD WATCHES ARE IN EFFECT FOR THE WESTERN HALF OF WASHINGTON AS
WELL AS PORTIONS OF IDAHO...OREGON...AND EXTREME NORTHERN
CALIFORNIA.

HIGH WIND WATCHES...WARNINGS...AND WIND ADVISORIES ARE IN EFFECT
FOR MUCH OF THE NORTHWESTERN U.S.

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

AT 100 AM PDT...A STRONG SURFACE LOW PRESSURE SYSTEM WITH A
CENTRAL PRESSURE OF 971 MB...28.67 INCHES...WAS CENTERED JUST OFF
THE COAST OF CENTRAL BRITISH COLUMBIA. A FRONTAL BOUNDARY EXTENDED
SOUTHWARD FROM THE LOW ACROSS BRITISH COLUMBIA AND INTO THE
INTERIOR PACIFIC NORTHWEST...AND OFFSHORE INTO THE PACIFIC AT THE
SOUTHERN OREGON COAST. NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS INDICATED A PLUME OF PRECIPITATION EXTENDING FROM
COASTAL SOUTHERN OREGON AND NORTHERN CALIFORNIA INLAND TO NORTHERN
IDAHO...ALONG THE COLD FRONT. BEHIND THE FRONT...SCATTERED TO
NUMEROUS SHOWERS...WITH ISOLATED THUNDERSTORMS...WERE OCCURRING
ACROSS WESTERN WASHINGTON AND OREGON.                   

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 500 AM PDT FRI SEP
27 THROUGH 100 AM PDT SUN SEP 29...

...OREGON...
MT HEBO                               5.39                    
CEDAR                                 4.91                    
ASTORIA                               4.51                    
LEES CAMP                             4.50                    
ASTORIA AIRPORT                       3.84                    
LOG CREEK                             3.81                    
FALLS CITY                            3.70                    
CANNIBAL MOUNTAIN                     3.48                    
TILLAMOOK 16.1 ENE                    3.47                    
SEASIDE                               3.29                    
NEHALEM 4.1 ESE                       2.65                    
CANNON BEACH 4 E                      2.11                    
PORTLAND/HILLSBORO ARPT               1.89                    
SCAPPOOSE                             1.87                    
SALEM/MCNARY FIELD                    1.51                    

...WASHINGTON...
DRY CREEK                             4.19                    
WYNOOCHEE LAKE                        4.18                    
GRAYS RIVER 0.9 SSE                   3.59                    
OLYMPIA AIRPORT                       3.12                    
YACOLT 9 N                            2.74                    
SHELTON/SANDERSON FIELD ARPT          2.70                    
FEDERAL WAY 4 ENE                     2.48                    
QUILLAYUTE                            2.34                    
BREMERTON 12 SW                       2.29                    
HOQUIAM/BOWERMAN AIRPORT              2.20                    
KELSO-LONGVIEW AIRPORT                2.09                    
OLALLA 1.4 WNW                        1.97                    
GRAY AAF/FORT LEWIS                   1.93                    
MCCHORD AFB/TACOMA                    1.70                    
SEATTLE/TACOMA INTL ARPT              1.69                    

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...

...MONTANA...
EAST GLACIER PARK 8 SE                80                    

...OREGON...
GARIBALDI                             75                    
JEWELL                                66                    
JACKSONVILLE 3 ESE                    65                    
NEWPORT                               65                    
JOSEPH 1 WNW                          63                    
KNAPPA 1 S                            60                    
YACHATS                               60                    
HEPPNER 4 SSW                         59                    
CLATSOP SPIT                          58                    
ASTORIA                               54                    

...WASHINGTON...
CAPE DISAPPOINTMENT                   61                    


AS THE COLD FRONT CONTINUES TO MOVE INLAND INTO THE INTERIOR
WEST...ANOTHER STORM SYSTEM WILL APPROACH THE NORTHWESTERN STATES
FROM THE PACIFIC LATE TODAY...BRINGING ANOTHER ROUND OF HEAVY RAIN
TO COASTAL AREAS OF WASHINGTON...OREGON...AND NORTHERN CALIFORNIA.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 4 INCHES ARE POSSIBLE THROUGH
MONDAY NIGHT...WITH THE HIGHER AMOUNTS GENERALLY EXPECTED TO FALL
AT HIGHER ELEVATIONS. ADDITIONALLY...HEAVY SNOWS OF 6 TO 12 INCHES
ARE POSSIBLE THROUGH MONDAY NIGHT AT THE HIGHER ELEVATIONS OF THE
CASCADES AS WELL AS THE HIGH ELEVATIONS OF CENTRAL IDAHO. STRONG
GUSTY WINDS OF 30 TO 50 MPH...WITH HIGHER GUSTS...ARE ALSO
POSSIBLE...PARTICULARLY AT HIGHER ELEVATIONS.

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

RYAN