STORM SUMMARY NUMBER 1 FOR SOUTHERN CALIFORNIA AND DESERT
SOUTHWEST STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
200 AM MST WED JAN 10 2018

...HEAVY RAINFALL DIMINISHING ACROSS THE DESERT SOUTHWEST...

WINTER WEATHER ADVISORIES ARE IN EFFECT OVER THE MOUNTAINS OF
SOUTHERN AND CENTRAL UTAH AS WELL AS THE SANGRE DE CRISTO AND ZUNI
RANGES IN NEW MEXICO.

WINTER STORM WARNINGS ARE IN EFFECT ACROSS THE SAN JUAN MOUNTAINS
OF SOUTHWEST COLORADO AND NORTH CENTRAL NM.

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

AT 100 AM MST...A SURFACE LOW WITH CENTRAL PRESSURE OF 1004
MB...OR 29.65 INCHES LOCATED NEAR BRYCE CANYON IN SOUTHERN UTAH. A
COLD FRONT PRECEDED THE LOW AND WAS RAPIDLY MOVING EASTWARD
EXTENDING NORTH TO SOUTH FROM THE FOUR CORNERS SOUTH INTO
SOUTHEAST AZ AND THE NORTHERN GULF OF CALIFORNIA.  MUCH OF THE
HEAVY RAINFALL HAD ENDED BUT MODERATE SHOWERS CONTINUED IN ADVANCE
OF THE COLD FRONT.  YESTERDAY...HEAVY RAINFALL OCCURRED ACROSS
CENTRAL AND SOUTHERN CALIFORNIA WHICH LED TO FLASH FLOODING
INCLUDING DEBRIS FLOWS AND MUD SLIDES IN SOUTHERN CALIFORNIA.  THE
HEAVY RAIN WAS ALSO ACCOMPANIED BY HIGH WINDS UP TO 70 MPH MAINLY
ACROSS SOUTHERN CALIFORNIA.    

...SELECTED PRELIMINARY STORM TOTAL RAINFALL IN INCHES FROM 1200
AM MST MON JAN 08 THROUGH 100 AM MST WED JAN 10...

...ARIZONA...
LAKE MEADE CITY                       1.34                    
MINNEHAHA                             1.28                    
MOSS BASIN                            1.06                    
PHOENIX-SKY HARBOR INT'L AIRPORT      0.22                    

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

...CALIFORNIA...
BOUCHER HILL                          73                    
CAMP NINE                             71                    
PALOMAR MOUNTAIN LOOKOUT              71                    
THOUSAND OAKS 6 SW                    67                    
RUNNING SPRINGS 2 NW                  63                    
TEPUSQUET                             62                    
VANDENBERG (PORTABLE MESONET STN)     62                    
CATALINA RAWS                         61                    
CORONADO CAYS                         61                    
SANTA ROSA ISLAND                     61                    
LAKE PALMDALE MESONET                 60                    
LOMPOC HILLS                          60                    
MOUNT WOODSON                         60                    

...SELECTED PRELIMINARY STORM TOTAL RAINFALL IN INCHES WHERE THE
EVENT HAS ENDED...

...CALIFORNIA...
MINING RIDGE                          9.68                    
LYTLE CREEK RAWS                      6.03                    
BIRCH HILL                            5.95                    
PALOMAR OBSERVATORY                   5.92                    
ORTEGA HILL                           5.90                    
CEDAR GLEN                            5.87                    
FLORES CAMP BIG SUR                   5.87                    
GRANTON                               5.70                    
BOULDER CREEK                         5.68                    
OLD MAN MOUNTAIN                      5.55                    
KENTFIELD                             5.44                    
OPIDS CAMP                            5.13                    
SAN FRANCISCO 2 SSW                   4.99                    
LAKEPORT                              4.76                    
ALAMO MOUNTAIN                        4.51                    
ROBLA                                 4.42                    
PACIFICA 1 S                          4.39                    
SAN MARCOS PASS                       4.00                    
LEXINGTON HILLS 1 WSW                 3.84                    
MOUNT DIABLO PEAK                     3.80                    
YOUNTVILLE 3 WSW                      3.63                    
OAKLAND 3 W                           3.43                    
CARLSBAD AIRPORT                      3.00                    
PASADENA                              2.83                    
SWEENEY GRANITE MOUNTAINS             2.07                    
BEVERLY HILLS                         1.83                    
SAN DIEGO INT'L AIRPORT               1.73                    
DOWNTOWN LOS ANGELES                  1.49                    
LOS ANGELES AIRPORT                   1.28                    
GLAMIS 14 ENE                         1.16                    

...NEVADA...
CALIFORNIA WASH                       1.85                    
LEE CANYON                            1.70                    
LAS VEGAS-HENDERSON AIRPORT           1.60                    
OVERTON AIRPORT                       1.46                    
LAS VEGAS-MCCARRAIN AIRPORT           1.33                    
TIMBER MOUNTAIN                       1.23                    
CALLVILLE BAY RANGER STATION          1.22                    
SUMMERLIN WEST                        1.06                    
NORTH LAS VEGAS AIRPORT               1.03                    

...SELECTED STORM TOTAL SNOWFALL IN INCHES WHERE THE EVENT HAS
ENDED...

...CALIFORNIA...
DEVILS POSTPILE 7 NNW                13.0                    
TUOLUMNE MEADOWS                     11.0                    


MODERATE RAINFALL WILL CONTINUE ACROSS EASTERN ARIZONA SPREADING
INTO NEW MEXICO IN THE NEXT FEW HOURS WITH AN ADDITIONAL HALF TO
ONE INCH OF RAIN PARTICULARLY ON WESTWARD AND SOUTHWESTWARD FACING
TERRAIN.  HEAVY SNOWS WITH ADDITIONAL ACCUMULATIONS OF 8 TO 16
INCHES MAINLY ACROSS THE SAN JUAN RANGE OF SOUTHWEST COLORADO WILL
CONTINUE THROUGH THE MORNING HOURS AS WELL.

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

GALLINA