THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 6 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 AM PST THU JAN 19 2017
...SCATTERED RAIN SHOWERS WITH LOCALLY HEAVY RAIN ARE OCCURRING
ALONG THE WEST COAST WHILE SNOW SHOWERS MOVE THROUGH PORTIONS OF
THE INTERMOUNTAIN WEST...
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR MUCH OF THE INTERMOUNTAIN WEST AND ROCKIES...AS
WELL AS THE SIERRAS OF CALIFORNIA.
FREEZING RAIN ADVISORIES ARE IN EFFECT FOR PARTS OF SOUTHWESTERN
WASHINGTON AND NORTHWESTERN MONTANA.
FLOOD WARNINGS AND ADVISORIES ARE IN EFFECT FOR PARTS OF EASTERN
WASHINGTON AND NORTHERN IDAHO AS WELL AS PARTS OF SOUTHERN
CALIFORNIA.
HIGH WIND WATCHES AND WIND ADVISORIES ARE IN EFFECT FOR PORTIONS
OF SOUTHERN CALIFORNIA.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 AM PST...AN UPPER LEVEL TROUGH WAS LOCATED ALONG THE WEST
COAST AND WAS DIRECTING MOISTURE INTO THE WESTERN U.S. THE
STRONGEST ASSOCIATED SURFACE LOW PRESSURE SYSTEM WITH A CENTRAL
PRESSURE OF 984 MB...29.06 INCHES WAS WEAKENING JUST OFFSHORE OF
BRITISH COLUMBIA. A WEAKER SURFACE LOW WITH A CENTRAL PRESSURE OF
1007 MB...29.74 INCHES...WAS LOCATED IN NORTH CENTRAL
CALIFORNIA...WITH A FRONT EXTENDING THROUGH CENTRAL CALIFORNIA AND
INTO THE EASTERN PACIFIC. NATIONAL WEATHER SERVICE DOPPLER RADARS
AND SURFACE OBSERVATIONS INDICATED MODERATE TO LOCALLY HEAVY RAIN
SHOWERS EXTENDING ACROSS MUCH OF THE WEST COAST. PRECIPITATION
CONTINUED TO EXTEND INLAND ACROSS THE EASTERN PART OF THE GREAT
BASIN AND INTO THE SOUTHWEST WHERE SNOW WAS THE PRIMARY
PRECIPITATION TYPE IN THE HIGHER ELEVATIONS.
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 100 AM PST TUE JAN
17 THROUGH 600 AM PST THU JAN 19...
...CALIFORNIA...
VENADO 7 NNW GUERNEVILLE 6.28
SCOTTS VALLEY 2 NW 3.54
WINDSOR 3.41
BOULDER CREEK 1 SSE 3.28
SANTA ROSA SONOMA CO AP 3.05
ANGWIN 3.00
BODEGA BAY 1 WSW 3.00
GLEN ELLEN 5 NE 2.92
GUERNEVILLE 2.0 SSW 2.66
REDDING 7.9 NNE 2.64
YOUNTVILLE 3 WSW 2.64
FELTON 4.5 NNE 2.63
SAN FRANCISCO 2.40
...OREGON...
GLENDALE 3.08
GOLD BEACH 6 E 2.57
PISTOL RIVER 2 SSE 2.34
ASTORIA 2.32
OBRIEN 2 SSW 1.98
BROOKINGS 5 NNW 1.50
SALEM 0.87
PORTLAND 0.66
...WASHINGTON...
SNOKOMISH 2 N 6.47
MOUNT OLYMPUS 12 W 5.91
HAMILTON 12 NNE 5.70
SUMNER 3 NE 5.46
JEFFERSON CREEK 5.43
HAYWIRE RIDGE 5.42
HUMPTULLIPS 5.42
ELK MEADOWS 5.34
HAGER CREEK 5.32
MOUNT BAKER 7 S 5.10
HOODSPORT 3 WNW 5.00
MATLOCK 4.97
FORKS 4.52
QUILLAYUTE 4.51
VERLOT 4.50
AUBURN 1 NNE 3.94
BREMERTON NATIONAL ARPT 3.38
FORTSON 1 NNW 3.37
TRACYTON 2 NE 3.00
SHELTON/SANDERSON FIELD ARPT 2.89
SEATTLE/TACOMA INTL ARPT 2.68
HOQUIAM/BOWERMAN AIRPORT 1.94
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 100 AM PST TUE JAN
17 THROUGH 600 AM PST THU JAN 19...
...CALIFORNIA...
MOUNT SHASTA 3 SSE 13.0
WEED 2 SSW 10.0
MOUNT SHASTA 7.0
...IDAHO...
COLBURN 4 WSW 8.0
SPIRIT LAKE 5.0
DOVER 2 SSE 4.0
MOYIE SPRINGS 4.0
OLDTOWN 2 ESE 4.0
...OREGON...
BAKER 1 NE 10.0
HARPER 8.0
ONTARIO 6.0
...WASHINGTON...
MAZAMA 12 W 9.4
WASHINGTON PASS 9.0
GIFFORD 3 W 8.0
LEAVENWORTH 2 SSW 7.0
KETTLE FALLS 6.0
OKANOGAN 2 W 5.3
INCHELIUM 3.0
...SELECTED STORM TOTAL SLEET IN INCHES FROM 100 AM PST TUE JAN 17
THROUGH 600 AM PST THU JAN 19...
...OREGON...
SPOKANE 0.80
ECHO 0.50
...WASHINGTON...
WENATCHEE 3.00
COULEE CITY 2.00
QUINCY 1.00
SE KENNEWICK 0.50
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
COOSKIE MTN RAWS NR PETROLIA 79
BIRD SPRINGS PASS 70
LAKE PALMDALE 70
PALMDALE 5 S 70
BLUE MAX 69
SHIP MTN RAWS NEAR GASQUET 69
HIGH GLADE LOOKOUT 67
SCHOOL HOUSE RAWS 65
BUOY 46022 63
SACRAMENTO INTL AIRPORT 63
DAIRYVILLE 62
CRESCENT CITY 61
TRAVIS AFB 61
KNEELAND RAWS 60
MARYSVILLE AIRPORT 58
ARCO ARENA 56
JAWBONE CANYON 55
PALO CEDRO 55
PANOCHE ROAD 55
BEAR PEAK 54
CASTLE AIR PARK 54
IONE 54
CALAVERAS BIG TREE 52
STOCKTON AIRPORT 52
ATWATER 3 NE 51
LOMPOC HILLS 48
MILL CREEK 47
...OREGON...
NEWPORT 86
MARYS PEAK 84
SEA LION CAVES 82
GARIBALDI 72
LINCOLN BEACH 72
ASTORIA...US 101 BRIDGE 67
MOUNT HEBO 66
GLENEDEN BEACH 65
SUMMER LAKE 9 SSE 62
ASTORIA 60
...WASHINGTON...
MEGLER 86
NASELLE 84
ABERNATHY MOUNTAIN 78
NASELLE 3 NNE 77
CAPE DISAPPOINTMENT 73
LONG BEACH 63
...SELECTED STORM TOTAL FREEZING RAIN IN INCHES WHERE THE EVENT
HAS ENDED...
...IDAHO...
KENDRICK 2.5 N 0.50
...OREGON...
HOOD RIVER 1.50
TROUTDALE AIRPORT 1.08
PORTLAND AIRPORT 0.64
JOSEPH 0.40
HERMISTON 2 N 0.25
MEACHAM 4 NW 0.13
PAULINA 6 E 0.10
...WASHINGTON...
BONNEVILLE 3 N 2.00
STEVENSON 1.00
UNDERWOOD 1.00
SKAMANIA 1 W 0.75
EPHRATA 0.60
SOAP LAKE 0.50
WHITE SALMON 0.50
VANCOUVER LAKE 2 E 0.46
EAST WENATCHEE 1 NNE 0.25
GRANDVIEW 0.25
NORTH BEND 6 E 0.25
SPOKANE 3 NNW 0.25
THE DALLES 8 NNE 0.25
YAKIMA 0.25
YAKIMA 2 WNW 0.25
AIRWAY HEIGHTS 0.20
AS THE UPPER LEVEL TROUGH MOVES EASTWARD...IT IS FORECAST TO
WEAKEN AS IT MOVES FARTHER INLAND. THUS THE WESTERN U.S. WILL HAVE
A RELATIVE LULL OF PRECIPITATION TODAY BEFORE THE NEXT UPPER LEVEL
TROUGH APPROACHES ON FRIDAY. NONETHELESS...THROUGH TONIGHT...1 TO
2 INCHES OF RAIN ARE POSSIBLE ALONG MUCH OF THE WEST COAST. SNOW
AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED FOR THE HIGHEST ELEVATIONS
OF THE SIERRAS AND INTERMOUNTAIN WEST. AS THE NEXT POWERFUL LOW
PRESSURE SYSTEM MOVES ONSHORE...HEAVIER PRECIPITATION IS EXPECTED
TO RESTART ON FRIDAY AND CONTINUE INTO THE WEEKEND.
THIS WILL BE THE LAST STORM SUMMARY ISSUED BY THE WEATHER
PREDICTION CENTER FOR THIS EVENT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION.
TATE
Last Updated: 957 AM EST THU JAN 19 2017