833  
FNUS76 KSTO 240042  
FWSSTO  
 
SPOT FORECAST FOR 2017 STATEWIDE STORMS - SPILLWAY DWR...DWR  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
542 PM PDT THU MAR 23 2017  
 
FORECAST IS BASED ON INCIDENT TIME OF 1800 PDT ON MARCH 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A PACIFIC FRONT WILL MOVE ACROSS THE DAM LOCATION AND THE FEATHER BASIN  
ON FRIDAY. PERIODS OF MODERATE TO HEAVY RAIN ARE EXPECTED DURING THE DAY  
BEFORE TAPERING OFF FRIDAY EVENING. LINGERING SHOWERS ARE POSSIBLE INTO  
SATURDAY MORNING. ANOTHER PACIFIC FRONT IS FORECAST TO BRING ANOTHER  
ROUND OF PRECIPITATION TO THE AREA BY SUNDAY AFTERNOON.  
 
AS THE FRONT APPROACHES, SOUTHEAST WINDS WILL INCREASE AND BECOME GUSTY.  
WINDS WILL DECREASE AFTER FRONTAL PASSAGE FRIDAY EVENING WITH A SLIGHT  
SHIFT TO SOUTHERLY ON SATURDAY.  
 
SNOW LEVELS 4000-5000 FEET WILL RETARD RUNOFF UNTIL THE SNOW MELTS AT  
LOWER ELEVATIONS SATURDAY AND SUNDAY.  
 
   
TODAY (FRIDAY)
 
 
SKY/WEATHER.........RAIN.  
CHANCE OF PCPN......100 PERCENT.  
MAX TEMPERATURE.....55-59.  
MIN HUMIDITY........62-67 PERCENT.  
SURFACE WINDS.......SOUTHEAST WINDS INCREASING TO 15 TO 20 MPH WITH  
GUSTS TO 35 MPH THROUGH AFTERNOON.  
PCPN AMOUNT.........0.75-1.25 INCHES.  
BASIN AMOUNT........UP TO 2.00 INCHES.  
SNOW LEVEL..........4000 FEET.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN LIKELY IN THE EVENING, THEN A  
CHANCE OF SHOWERS AFTER MIDNIGHT.  
CHANCE OF PCPN......70 PERCENT.  
MIN TEMPERATURE.....47-52.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS.......SOUTHEAST WINDS DECREASING TO 9 TO 15 MPH IN THE  
EVENING AND DECREASING TO UP TO 6 MPH AFTER MIDNIGHT.  
PCPN AMOUNT.........0.10-0.25 INCHES.  
BASIN AMOUNT........UP TO AROUND 0.50 INCHES.  
SNOW LEVEL..........RISING TO 5000 FEET.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN  
THE MORNING.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....63-67.  
MIN HUMIDITY........47-54 PERCENT.  
SURFACE WINDS.......SOUTH WINDS UP TO 6 MPH.  
PCPN AMOUNT.........UP TO 0.05 INCHES.  
BASIN AMOUNT........UP TO 0.10 INCHES.  
SNOW LEVEL..........4500-5000 FEET.  
 

 
FORECASTER...JM  
REQUESTED BY...KEVIN ROBINSON  
TYPE OF REQUEST...OTHER  
.TAG 1705100.0/STO  
.EMAIL SPILLWAY_SITUATION@WATER.CA.GOV  
 
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