975  
FNUS76 KSTO 121249  
FWSSTO  
 
SPOT FORECAST FOR IRISH  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
549 AM PDT MON MAY 12 2008  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.  
 
#089-08  
 
DISCUSSION...  
UPPER TROUGH MOVES ACROSS THE AREA TODAY WITH SOME CLOUDS AND COOLING  
BUT NO PRECIPITATION. HIGH PRESSURE BUILDS OVER THE AREA THROUGH THE  
REMAINDER OF THE WEEK. WARMER WITH LOWER HUMIDITY TOMORROW. GUSTY  
NORTHWEST WIND OVER RIDGES TODAY AND NORTHEAST WIND TONIGHT THROUGH  
TUESDAY MORNING. EXTENDED FORECAST CALLS FOR STRONG WARMING TREND  
THROUGH FRIDAY WITH DECREASING HUMIDITY. BREEZY NORTHEAST  
WIND...GENERALLY NIGHT AND MORNINGS...WEDNESDAY THROUGH FRIDAY.  
 
FOR PLANNED IGNITION TIME OF 800 PDT 5/12/08  
WEATHER............PARTLY CLOUDY BECOMING MOSTLY SUNNY IN THE  
AFTERNOON.  
TEMPERATURE........50...MAX 60  
HUMIDITY...........72%...MIN 30%  
WIND...20-FT.......LIGHT WIND BECOMING WEST 3-6 MPH AFTER  
10 AM WITH GUSTS TO 10 MPH AFTER MIDDAY.  
RIDGETOP WIND......WEST AROUND 10 MPH BECOMING NORTHWEST  
10-15 MPH AFTER 10 AM WITH GUSTS TO 20 MPH.  
CWR................0%  
MIXING HEIGHT......RISING TO 8000 FT AGL  
MIXING WINDS.......WEST AROUND 10 MPH BECOMING NORTHWEST AROUND  
15 MPH AFTER 10 AM.  
 
FOR TONIGHT  
WEATHER............MOSTLY CLEAR  
TEMPERATURE........MIN 40  
HUMIDITY...........MAX 65%  
WIND...20-FT.......NORTHWEST 3-6 MPH WITH GUSTS TO 10 MPH EARLY  
EVENING THEN BECOMING NORTHEAST 4-7 MPH AFTER  
10 PM WITH GUSTS TO 12 MPH AFTER MIDNIGHT.  
RIDGETOP WIND......NORTHWEST 10-15 MPH WITH GUSTS TO 20 MPH EARLY  
EVENING THEN BECOMING NORTHEAST 15-20 MPH AFTER  
10 PM WITH GUSTS TO 30 MPH AFTER MIDNIGHT  
CWR................0%  
MIXING HEIGHT......FALLING BELOW 1000 FT AGL AFTER SUNSET.  
MIXING WINDS.......NORTHWEST 12 MPH BECOMING NORTHEAST 15 MPH  
AFTER 10 PM.  
 
OUTLOOK FOR TUESDAY  
WEATHER............SUNNY AND WARMER.  
TEMPERATURE........MAX 70  
HUMIDITY...........MIN 20%  
WIND...20-FT.......NORTHEAST 5-8 MPH WITH GUSTS TO 13 MPH TIL 8 AM  
THEN DECREASING AND BECOMING WEST 2-4 MPH AFTER  
11 AM WITH OCCASIONAL GUSTS TO 8 MPH IN THE  
AFTERNOON.  
RIDGETOP WIND......NORTHEAST 17-22 MPH WITH GUSTS TO 32 MPH EARLY  
MORNING THEN DECREASING AFTER 8 AM AND BECOMING  
WEST 8-12 MPH AFTER MIDDAY.  
CWR................0%  
MIXING HEIGHT......RISING TO 6000 FT AGL IN THE AFTERNOON.  
MIXING WINDS.......NORTHEAST 20 MPH DECREASING THROUGH MORNING AND  
BECOMING WEST AROUND 10 MPH AFTER MIDDAY.  
 
FORECASTER...PCH  
 

 
 
REQUESTED BY...SCOTT CONES  
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, USFWS, BIA).  
 
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