THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 12 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 AM PST THU JAN 21 2010
...ONSLAUGHT OF PACIFIC SYSTEMS TO CONTINUE INUNDATING THE WEST
COAST FOR ANOTHER DAY...
BLIZZARD WARNINGS ARE IN EFFECT FOR PARTS OF SOUTHEASTERN UTAH AND
SOUTHWESTERN COLORADO....AND FOR SOUTHEASTERN ARIZONA FOR
ELEVATIONS ABOVE 7000 FEET.
WINTER STORM WARNINGS ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF
CALIFORNIA INCLUDING THE SIERRA NEVADA RANGE...AS WELL AS FOR THE
HIGHER ELEVATIONS OF THE FOUR CORNERS STATES. WINTER WEATHER
ADVISORIES ARE IN EFFECT FOR PORTIONS OF NEVADA...NORTHERN
CALIFORNIA...UTAH...AND COLORADO.
FLASH FLOOD WATCHES ARE IN EFFECT FOR THE SOUTHERN CALIFORNIA
COAST AND CENTRAL ARIZONA. COASTAL FLOOD WARNINGS ARE IN EFFECT
FOR THE CENTRAL AND SOUTHERN CALIFORNIA COASTS.
HIGH WIND WARNINGS AND WATCHES ARE IN EFFECT FOR SOUTHERN ARIZONA
AND PARTS OF NEW MEXICO.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 700 AM PST...THE LATEST IN A SERIES OF POWERFUL PACIFIC STORM
SYSTEMS WAS BRINGING MORE RAIN AND HIGHER ELEVATION SNOW TO THE
WESTERN UNITED STATES. ANOTHER COLD FRONT PUSHED THROUGH
CALIFORNIA LATE WEDNESDAY WITH THE NEXT AND FINAL SYSTEM A FEW
HUNDRED MILES NORTHWEST OF LOS ANGELES. NATIONAL WEATHER SERVICE
DOPPLER RADAR AND SURFACE OBSERVATIONS INDICATED MODERATE TO HEAVY
RAIN AND MOUNTAIN SNOW FALLING ACROSS CENTRAL AND SOUTHERN
CALIFORNIA AND INTO ARIZONA WITH LIGHT TO MODERATE RAIN AND SNOW
ACROSS NORTHERN CALIFORNIA. HIGHER ELEVATION SNOW WAS ALSO FALLING
ACROSS PARTS OF THE INTERMOUNTAIN WEST.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 AM PST THU JAN 21...
...ARIZONA...
FLAGSTAFF 6.8 NW 24.9
SUNRISE MOUNTAIN 22.0
PINETOP-LAKESIDE 4.0 ESE 20.4
BELLEMONT 19.0
CLINTS WELL 19.0
FLAGSTAFF AIRPORT 17.4
KACHINA VILLAGE 17.0
ALPINE 16.0
HEBER 16.0
CLAY SPRINGS 15.0
PINETOP 15.0
MOUNT GRAHAM 12.0
...CALIFORNIA...
CHAGOOPA PLATEAU 73.6
SUGAR BOWL 49.0
KIRKWOOD 48.0
BOREAL 46.0
SODA SPRINGS 46.0
SIERRA AT TAHOE 39.0
JUNE LAKE 36.0
GIANELLI MEADOWS 33.0
QUAKING ASPEN 32.7
KINGVALE 31.0
...COLORADO...
ABAJO 19.0
PAGOSA SPRINGS 5 W 18.0
DURANGO 18 NNE 12.5
LA SAL 11.0
SILVERTON 10.0
COAL BANK PASS 8.5
RED MTN 8.3
MOLAS PASS 6.0
...NEW MEXICO...
BLUEWATER LAKE 11 WSW 8.0
BONITO LAKE 5 SW 8.0
LUNA 8.0
MOGOLLON 6 ESE 6.0
RAMAH 6.0
LOS ALAMOS 5 WNW 5.0
...NEVADA...
JARBIDGE 9 E 13.0
POLE CREEK R.S. 13.0
GILLMAN SPRINGS 6 WNW 11.0
PIOCHE 1.1 SW 10.5
INCLINE VILLAGE 1 NE 10.0
LAMOILLE 9 SE 10.0
MT. CHARLESTON 10.0
DAGGET PASS 9.0
GARDNERVILLE 5 WSW 4.3
CARSON CITY 3.0
...UTAH...
BRIGHTON CREST 16.0
BIG COTTONWOOD SPRUCES 10.0
GREEN RIVER 20 WSW 10.0
ALTA 9.5
SOLITUDE 9.0
PARK CITY JUPITER PEAK 8.0
SNOWBIRD 7.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 AM PST THU JAN 21...
...ARIZONA...
PEORIA 4.7 NNW 5.00
GILBERT 3.8 NW 2.74
MAYER 8.5 SSE 2.50
SUN CITY 1.2 NNW 2.49
SCOTTSDALE 5.3 NNW 2.27
CAVE CREEK LANDFILL 1.73
LUKE AFB/PHOENIX 1.56
KINGMAN AIRPORT 1.28
FRAESFIELD MTN 1.26
MESA 1.18
QUEEN CREEK 1.14
GLENDALE 1.06
...CALIFORNIA...
BARTLETT SPRINGS 10.40
PETROLIA 7 SE 9.70
LYTLE CREEK 8.66
CLOVERDALE 1 S 8.55
MIRANDA 4 SW 7.29
LAKE ARROWHEAD 7.23
UKIAH MUNI ARPT 6.63
CHOWCHILLA 2 N 5.99
NEWHALL 5.73
SANTA ROSA/SONOMA CO. ARPT 5.52
VAN NUYS AIRPORT 5.25
MENDOTA 1 NE 5.04
LONG BEACH AIRPORT 5.02
TRAVIS AFB/FAIRFIELD 4.62
BURBANK-GLENDALE-PASADENA ARPT 4.38
SANTA ANA/JOHN WAYNE ARPT 4.12
SAN LUIS OBISPO CO ARPT 4.06
NORTH FORK RAWS 3.80
SAN FRANCISCO INTL ARPT 3.49
SAN DIEGO/MONTGOMERY FIELD 3.48
WASCO 5 SW 3.46
SACRAMENTO METRO ARPT 3.39
LOS ANGELES-USC 3.24
EASTMAN LAKE WEATHER 3.14
...OREGON...
AGNESS 6.4 NE 3.90
PORT ORFORD 5.0 E 3.52
BROOKINGS 4.2 ENE 2.83
BANDON 11.4 S 2.67
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...ARKANSAS...
FORT HUACHUCA 69
MOUNT LEMON 1 W 64
...CALIFORNIA...
WARD MOUNTAIN 106 ALONG SIERRA CREST
LEBEC 2 NE 84
ACTON 13 SE 80
CONCORD 5 WSW 77
SANTA CLARITA 7 SE 75
GORMAN 7 SE 70
CAMP NINE 69
MERCED 60
SACRAMENTO 5 NW 60
...NEW MEXICO...
ORGAN 2 ESE 68
...OREGON...
CAPE BLANCO 87
FLYNN PRAIRIE 78
SQUAW PEAK 75
PRECIPITATION WILL CONTINUE ACROSS THE SOUTHWESTERN UNITED STATES
AS ANOTHER PACIFIC STORM SYSTEM MOVES INLAND DURING THE DAY
THURSDAY. ADDITIONAL PRECIPITATION TOTALS OF 1 TO 4 INCHES ARE
EXPECTED ACROSS CALIFORNIA...EXTREME SOUTHERN NEVADA...AND INTO
ARIZONA...WITH LOCAL AMOUNTS OF UP TO 7 INCHES POSSIBLE NEAR THE
MOGOLLON RIM OF ARIZONA. SIGNIFICANT FLOODING AND MUDSLIDES HAVE
BEEN REPORTED IN PARTS OF CALIFORNIA DURING THE PAST SEVERAL DAYS
AND THEY WILL CONTINUE TO BE A PROBLEM THROUGH FRIDAY. SEVERAL
FEET OF SNOWFALL HAVE ACCUMULATED IN SOME LOCATIONS OF THE SIERRA
NEVADA MOUNTAINS WITH ANOTHER 10 TO 20 INCHES POSSIBLE THURSDAY.
STRONG AND GUSTY WINDS WILL AGAIN IMPACT CALIFORNIA AND COASTAL
OREGON THURSDAY. IN ADDITION...SEVERAL RECORD LOW BAROMETRIC
PRESSURE READINGS HAVE BEEN SET AND MORE RECORDS MAY BE BROKEN ON
THURSDAY.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
HAMRICK
Last Updated: 955 AM EST THU JAN 21 2010