THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 1 FOR WESTERN U.S. WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 PM PST FRI JAN 4 2008
...HEAVY RAIN...HIGH WINDS...AND HEAVY SNOW BATTER PORTIONS OF THE
WESTERN UNITED STATES...
BLIZZARD WARNINGS AND WINTER STORM WARNINGS ARE IN EFFECT FOR
MOUNTAINOUS PORTIONS OF THE WESTERN U.S. EASTWARD TO THE ROCKY
MOUNTAIN STATES. GALE AND STORM WARNINGS ARE WIDESPREAD OFF THE
ENTIRE WEST COAST. FLASH FLOOD WATCHES AND WARNINGS ARE IN EFFECT
FOR PORTIONS OF SOUTHERN CALIFORNIA.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST WATCHES AND
WARNINGS...PLEASE SEE WWW.WEATHER.GOV.
A STRONG COLD FRONT ASSOCIATED WITH AN INTENSE STORM OFF THE WEST
COAST HAS PUSHED EASTWARD ACROSS THE WEST COAST AND IS SLOWLY
WORKING ITS WAY SOUTH ACROSS CENTRAL CALIFORNIA. HEAVY RAIN...AND
BLIZZARD CONDITIONS IN THE SIERRA...ARE ASSOCIATED WITH THE
PASSAGE OF THE FRONT. HEAVY RAIN HAS PUSHED SOUTH AND EAST OF SAN
FRANCISCO AND MODERATE TO HEAVY RAINS ARE MOVING INTO THE LOS
ANGELES METROPOLITAN AREA.
HIGH WINDS HAVE BEEN RESPONSIBLE FOR DOWNED TREES...POWER OUTAGES
AND OVERTURNED TRUCKS IN SEVERAL WESTERN STATES...WITH HIGHEST
WINDS REPORTED AHEAD OF AND NEAR THE COLD FRONT FROM CENTRAL
CALIFORNIA THROUGH NEVADA...IDAHO...WESTERN MONTANA AND UTAH.
STRONGEST WINDS HAVE BEEN REPORTED AT THE HIGHEST ELEVATIONS AND
ARE PRODUCING SEVERE BLIZZARD CONDITIONS ACROSS THE SIERRA...WHERE
SOME ROADS HAVE ALREADY BEEN CLOSED.
AT 0620 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADARS AND
CURRENT SURFACE OBSERVATIONS INDICATE A LARGE AREA OF MODERATE TO
HEAVY RAIN AND HIGHER ELEVATION SNOW AS FAR SOUTH AS LOS ANGELES.
AS THE COLD FRONT PASSED EASTWARD ACROSS CENTRAL CALIFORNIA AND
WESTERN NEVADA....SNOW LEVELS HAVE LOWERED WITH RAIN CHANGING TO
SNOW ACROSS THE LOWER SLOPES OF THE SIERRA. BROKEN AREAS OF
SHOWERS AND MOUNTAIN SNOW ARE LOCATED FROM NORTHERN CALIFORNIA
THROUGH WESTERN OREGON AND WASHINGTON...AS WELL AS PORTIONS OF
IDAHO...WESTERN MONTANA AND THE WASATCH RANGE IN UTAH.
...SELECTED STORM TOTAL SNOW ACCUMULATIONS IN INCHES FROM 0100 AM
PST JAN 4 THROUGH 0600 PM PST FRI JAN 4...
...CALIFORNIA...
ASPENDELL 16.0 4 HOURS
MT SHASTA 1 N 12.0
WEED 4 SSW 9.0
MAMMOTH LAKES 6.0
MCCLOUD 3 S 5.0
...NEVADA...
DAGGET PASS 10.0
COLD SPRINGS VALLEY 6.0
...OREGON...
HYATT LAKE 3.5
...WASHINGTON...
TWISP 3 S 11.0
CHELAN 9SW 10.6
WINTHROP 1W 10.5
OKANOGAN 8NW 8.0
LEAVENWORTH 6.0
...IDAHO...
MCCALL 7 NW 8.0
MCCALL 6.0
...SELECTED STORM RAINFALL TOTALS IN INCHES FROM 0100 AM PST JAN 4
THROUGH 0600 PM PST FRI JAN 4...
...CALIFORNIA...
LOMA PRIETA 2200 FT 10.00
BRANDY CREEK 8.92
VENADO 8.00
BEN LOMOND 7.99
BRANDY CREEK 7.48
OAK BOTTOM RAWS 7.08
N SCOTTS VALLEY 7.00
HONEYDEW 6.88
VENADO 6.76
CLEAR CREEK 6.48
LAKESHORE 6.00
HAWKEYE 5.73
MOUNT VEEDER 5.58
SOUTH FORK MOUNTAIN 5.56
SAN MARCOS PASS 5.45
WHISPERING PINES 5.40
YORKVILLE 5.20
STIRLING CITY 4.96
SHASTA DAM 4.95
SANTA MARGARITA 4.64
KONOCTI 4.31
MOUNT SHASTA 3.77
SANTA ROSA/SONOMA CO ARPT 3.42
BLUE CANYON 2.51
BISHOP 2.38
SAN FRANCISCO ARPT 2.34
SACRAMENTO 1.98
MONTERY 1.97
UKIAH 1.78
...OREGON...
RIDDLE 2 SE 2.69
WILLIAMS 1 N 2.34
BANDON 11.4 S 2.27
COOS BAY 2.5 W 2.06
SELMA 5 NNE 2.14
...NEVADA...
RENO 10SW 3.25
N JOHNSON LANE 3.00 EST
COLD SPRINGS 2.11
RENO 5SW 2.00 EST
RENO ARPT 1.77
SPARKS 1.40
GARDNERVILLE 2 SSW 1.22
CARSON CITY 3NW 1.20
...SELECTED RECENT PEAK WIND GUSTS IN MILES PER HOUR...
...CALIFORNIA...
KREGOR PEAK 107
ETTERSBURG 4W 100 EST
NEVADA CITY 92
PETROLIA 4S 90
LUCAS VALLEY 1 N 83
REDDING 82
ANGEL ISLAND 78
LAKEHEAD 3WNW 78
CRANE FLAT 75
MORRO BAY 75
LAKEPORT 10 NW 73
BLUE CANYON 72
ELK GROVE 4 WNW 71
LEE VINING 4 NNW 71
SAN FRANCISCO - GOLDEN GATE BRIDGE 70
REDDING 70
SACRAMENTO 69
SAN FRANCISCO - SFO 68
RED BLUFF 67
ATASCADERO 62
SOUTH LAKE TAHOE 59
...WASHINGTON...
WALLA WALLA 78
CEDAR FALLS 4 NNE 59
CLALLAM BAY 7 WNW 52
...OREGON...
RIDDLE MOUNTAIN 6352 FT 96
NEWPORT YAQUINA US 101 BRIDGE 93
ENTERPRISE 3 SE 83
CAPE FOULWEATHER 82
YACHATS 80
TOLLGATE 9W 80
SEA LION CAVES 78
MT HEBO 72
JOHN DAY ARPT 71
HEPPNER 15W 70
FOX 5 SSE 68
MITCHELL 66
BROOKINGS 1 SE 64
...IDAHO...
BOGUS BASIN SUMMIT 75
CANYON CREEK 8500 FT 73
TWIN FALLS 69
CHUBBUCK 66
MERIDIAN 2NW 57
N KEATING 50 EST
...NEVADA...
GARDNERVILLE 5 WSW 4850 FT 87
SPARKS 1 NE 66
WASHOE 1 S 65
SOUTHWEST RENO 64
RENO 62
...MONTANA...
EAST GLACIER PARK 8 SE 67
NORRIS 6 N 65
ENNIS ARPT 63
...UTAH...
SNOWBIRD 2 SE 101
OGDEN 5 E 85
PARK CITY 4SW 84
DUGWAY 16 NW 83
SUNDANCE 1W 68
TOOELE 65
MODERATE TO HEAVY RAIN WILL CONTINUE OVERNIGHT ACROSS MUCH OF
CENTRAL AND SOUTHERN CALIFORNIA. BLIZZARD CONDITIONS AND HEAVY
SNOW WILL ALSO CONTINUE OVERNIGHT ACROSS THE SIERRA WHERE SEVERAL
FEET OF SNOW ARE LIKELY ALONG THE HIGHEST ELEVATIONS WHILE SNOW
WILL SPREAD EASTWARD ACROSS CENTRAL AND NORTHERN NEVADA. THE COLD
FRONT WILL CONTINUE TO MOVE ACROSS THE INTERMOUNTAIN WEST
OVERNIGHT...INCREASING THE LIKELIHOOD OF SNOW DEVELOPING FROM
NORTHERN ARIZONA...UTAH...WESTERN COLORADO AND WYOMING INTO
SATURDAY.
MORE RAIN AND MOUNTAIN SNOW ARE LIKELY THROUGH THE WEEKEND AS
STRONG FLOW OFF THE PACIFIC OCEAN AND A SERIES OF UPPER-LEVEL
DISTURBANCES CONTINUE TO PLAGUE THE REGION.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 AM PST SATURDAY JANUARY 5. PLEASE REFER
TO YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION ON THIS EVENT.
KOCIN
Last Updated: 1005 PM EST FRI JAN 04 2008