THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 7 FOR SOUTHERN CALIFORNIA AND ARIZONA HEAVY
RAINFALL EVENT
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 PM PST SAT FEB 18 2017
...LOCALLY HEAVY RAIN DEVELOPING OVER SOUTHERN ARIZONA INTO
SOUTHERN NEVADA...
FLASH FLOOD WATCHES ARE IN EFFECT FOR PARTS OF CENTRAL AND
SOUTHWESTERN ARIZONA.
WINTER STORM WARNINGS...AND WINTER WEATHER ADVISORIES ARE IN
EFFECT FOR THE MOGOLLON RIM AND GILA AND SAN FRANCISCO MOUNTAINS
OF ARIZONA AND WESTERN NEW MEXICO.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 PM PST...A DEEP UPPER-LEVEL TROUGH WITH A CLOSED
CIRCULATION NEAR THE ARIZONA-MEXICO BORDER CONTINUED TO DIRECT
SUBTROPICAL MOISTURE INTO THE DESERT SOUTHWEST. AT THE
SURFACE...A LOW PRESSURE CENTER WITH A SEA-LEVEL PRESSURE OF 997
MB...29.44 INCHES WAS LOCATED IN WESTERN ARIZONA WITH AN OCCLUDED
FRONT EXTENDING SOUTHEASTWARD ACROSS PHOENIX...ARIZONA. NATIONAL
WEATHER SERVICE DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED
AREAS OF LIGHT TO MODERATE RAIN WERE ROTATING AROUND THE
UPPER-LEVEL LOW ACROSS THE DESERT SOUTHWEST. A BAND OF HEAVY
SHOWERS WAS DEVELOPING NEAR THE OCCLUDED FRONT JUST NORTHWEST OF
PHOENIX...ARIZONA. THESE SHOWERS WERE ADVANCING NORTHWARD TOWARD
THE MOGOLLON RIM WHERE THE PRECIPITATION WAS IN THE FORM OF SNOW
SHOWERS. MEANWHILE...AN AREA OF MODERATE RAIN NEAR LAS
VEGAS...NEVADA WAS EDGING EASTWARD TOWARD ARIZONA.
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 1200 AM PST FRI
FEB 17 THROUGH 600 PM PST SAT FEB 18...
...ARIZONA...
CROWN KING 2.04
BURN SPRING 1.62
AGUA FRIA HUMBOLDT 3S 1.22
HUMBUG CREEK 1.04
...CALIFORNIA...
EL DESEO RANCH 10.44
OLD MAN MOUNTAIN 9.95
UPPER MATILIJA CANYON 9.83
SAN MARCOS PASS 9.29
CACHUMA LAKE 9.19
GIBRALTAR DAM 9.17
MONTECITO 9.15
SULPHUR MOUNTAIN CREEK 7.79
ALISAL RESERVOIR 6.74
MINING RIDGE 6.66
CELITE 4.93
POINT REYES 4.30
SANTA BARBARA MUNI ARPT 4.20
GOLETA WATER DISTRICT 4.03
SANDBERG 3.89
SANTA BARBARA CITY COLLEGE 3.73
SANTA BARBARA FLOOD CONTROL OFFICE 3.42
THREE PEAKS 3.36
OXNARD AIRPORT 3.26
VAN NUYS AIRPORT 3.25
CATALINA ISLAND 3.19
CAMARILLO AIRPORT 2.78
LONG BEACH AIRPORT 2.75
SANTA CRUZ ISLAND 2.61
INDEPENDENCE 4 WNW 2.34
VANDENBERG AFB/LOMPOC 2.21
SANTA MARIA PUBLIC APT 2.17
LOS ANGELES DOWNTOWN 2.11
SAN FRANCISCO 1.17
SAN DIEGO 1.09
...NEVADA...
NEVADA DESERT NAT'L WR 2.61
GRAPEVINE SPRING 2.52
HARRIS SPRINGS 2.05
HAWTHORNE 1.96
TULE SPRINGS NORTHWEST 1.74
BEATTY - TIMBER MTN 1.69
GOLDFIELD 1 N 1.53
NORTH LAS VEGAS AIRPORT 0.75
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 1200 AM PST FRI
FEB 17 THROUGH 600 PM PST SAT FEB 18...
...CALIFORNIA...
JUNE LAKE 36.0
MAMMOTH MOUNTAIN 30.0
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...ARIZONA...
TUCSON 4 SW 56
HOPKINS 51
SELLS 46
NOGALAS AIRPORT 45
SASABE 44
SIERRA VISTA MUNI ARPT 43
...CALIFORNIA...
GRAPEVINE PEAK 108
CARMEL VALLEY VILLAGE 10 SW 86
BIG BEAR CITY 13 ESE 84
BURNS CANYON 84
ACTON 9 SE 82
MILL CREEK 81
CHILAO 80
MOUNT WILSON 8 NNE 80
ALTADENA 6 N 77
CLEAR CREEK 77
TORO PEAK 76
CASTROVILLE 2 NW 75
GRASS MOUNTAIN 75
LANCASTER 14 WSW 75
PALOMAR MTN LOOKOUT 75
PORT OF LOS ANGELES (PIER F) 75
SAN PEDRO 4 E 75
HESPERIA 5 SW 72
SAN CLEMENTE 5 E 72
RUNNING SPRINGS 2 NW 71
SALINAS AIRPORT 71
AGUANGA 6 SSE 70
PYRAMID LAKE 6 NE 70
SANDBERG 70
THE UPPER LEVEL TROUGH AND ASSOCIATED SURFACE FRONT WILL CONTINUE
TO TRACK EASTWARD ACROSS ARIZONA/NORTHWEST MEXICO AND GRADUALLY
WEAKEN. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE TONIGHT
INTO SUNDAY ACROSS CENTRAL ARIZONA...INCLUDING THE PHOENIX METRO
AND THE LOWER FOOTHILLS OF THE MOGOLLON RIM...BEFORE THE RAIN
TAPERS OFF LATER ON SUNDAY. SNOW SHOWERS ARE EXPECTED ALONG THE
HIGHER ELEVATIONS OF THE MOGOLLON RIM AND INTO THE GILA AND SAN
FRANCISCO MOUNTAIN RANGES OF EASTERN ARIZONA AND WESTERN NEW
MEXICO WITH TOTALS EXPECTED IN THE RANGE OF 6 TO 10 INCH THROUGH
SUNDAY.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 100 AM PST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
KONG
Last Updated: 1009 PM EST SAT FEB 18 2017