THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 02 FOR PACIFIC NORTHWEST HEAVY PRECIPITATION
AND HIGH WINDS
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
800 AM PDT SUN SEP 29 2013
...PACIFIC STORM SYSTEM CONTINUES TO STREAM MOISTURE INTO THE
NORTHWESTERN STATES...
FLOOD WATCHES ARE IN EFFECT FOR NORTHWEST AND CENTRAL WASHINGTON
AS WELL AS PORTIONS OF NORTHERN IDAHO... SOUTHWEST 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 700 AM PDT...A STRONG SURFACE LOW PRESSURE SYSTEM WITH A
CENTRAL PRESSURE OF 972 MB... 28.70 INCHES... WAS LOCATED JUST OFF
THE COAST OF CENTRAL BRITISH COLUMBIA. A SECONDARY LOW WAS LOCATED
IN CENTRAL ALBERTA WITH A COLD FRONT STRETCHING FROM WESTERN
MONTANA TO SOUTHERN OREGON. NATIONAL WEATHER SERVICE RADARS AND
SURFACE OBSERVATIONS INDICATED AN AREA OF LIGHT TO MODERATE RAIN
WAS FALLING ALONG AND AHEAD OF THE COLD FRONT IN IDAHO AND WESTERN
MONTANA. BEHIND THE BOUNDARY... MODERATE TO HEAVY RAIN... WITH
ISOLATED THUNDERSTORMS... WERE OCCURRING FROM WESTERN WASHINGTON
TO NORTHERN CALIFORNIA.
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 500 AM PDT FRI SEP
27 THROUGH 700 AM PDT SUN SEP 29...
...IDAHO...
HIDDEN LAKE 4.50
BEAR MOUNTAIN 4.00
SADDLE PASS 3.66
SCHWEITZER BASIN 3.20
HOPE 9.7 NNE 2.17
MULLAN PASS 2.06
SPIRIT LAKE 1.88
CLARK FORK 3.5 SE 1.83
MOSQUITO RIDGE 1.80
SPIRIT LAKE 3.6 E 1.62
...OREGON...
MT HEBO 5.39
CEDAR 4.91
ASTORIA 4.75
LEES CAMP 4.50
LOG CREEK 3.81
FALLS CITY 3.70
GRAND RONDE 3.5 NW 3.54
TILLAMOOK 16.1 ENE 3.50
CANNIBAL MOUNTAIN 3.48
VERNONIA 7.2 SW 3.39
SEASIDE 3.29
BROOKINGS 4.2 ENE 3.05
PORTLAND 6.5 SW 2.52
PORTLAND/HILLSBORO ARPT 2.29
...WASHINGTON...
DRY CREEK 4.19
WYNOOCHEE LAKE 4.18
BRINNON 1.7 WSW 3.83
GRAYS RIVER 0.9 SSE 3.60
OLYMPIA 1.3 S 3.41
FORKS 6.9 WSW 3.21
ONALASKA 2.8 NE 3.19
LAKELAND NORTH 0.5 ENE 3.18
OLYMPIA AIRPORT 3.12
UNIVERSITY PLACE 1.5 ESE 2.96
AUBURN 3.5 NW 2.92
STEVENS PASS - SCHMIDT HAUS 2.78
YACOLT 9.0 N 2.74
SHELTON/SANDERSON FIELD ARPT 2.70
SEATTLE/TACOMA INTL ARPT 1.69
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...IDAHO...
GRANGEVILLE 4.0 S 69
EVARO 5.0 E 52
...MONTANA...
EAST GLACIER PARK 8 SE 80
STARR-BROWNING AIRSTRIP 66
BYNUM 13.0 W 64
LOLO 50
...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
NEWPORT MUNI ARPT 55
ASTORIA 54
PENDLETON MUNI ARPT 54
SEXTON SUMMIT 52
...WASHINGTON...
CAPE DISAPPOINTMENT 61
AS THE COLD FRONT CONTINUES TO MOVE THROUGH THE INTERIOR WEST... A
SECOND STORM SYSTEM WILL BEGIN MOVING TOWARDS THE NORTHWEST
COAST... BRINGING ANOTHER ROUND OF HEAVY RAIN TO MUCH OF THE
PACIFIC NORTHWEST. ADDITIONAL RAINFALL AMOUNTS BETWEEN 1 AND 5
INCHES ARE POSSIBLE THROUGH EARLY TUESDAY MORNING... WITH THE
HIGHER AMOUNTS GENERALLY BEING CONFINED TO HIGHER ELEVATIONS.
ADDITIONALLY... HEAVY SNOWS OF 6 TO 12 INCHES ARE POSSIBLE THROUGH
MONDAY NIGHT AT THE HIGHER ELEVATIONS OF THE CASCADES AND CENTRAL
IDAHO. ACROSS MUCH OF THE NORTHWEST... STRONG GUSTY WINDS OF 30 TO
50 MPH... WITH HIGHER GUSTS... ARE ALSO POSSIBLE.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 200 PM PDT. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
MONARSKI
Last Updated: 1101 AM EDT SUN SEP 29 2013