201  
FXUS66 KHNX 142016  
AFDHNX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HANFORD CA  
116 PM PDT WED APR 14 2021  
 
   
SYNOPSIS
 
 
A CLOSED LOW WILL BRING A CHANCE OF SCATTERED LIGHT SHOWERS TO  
THE HIGH SIERRA OVER THE NEXT DAY OR SO. WINDS WILL AGAIN BECOME  
BREEZY TO GUSTY OVER PARTS OF THE KERN COUNTY MOUNTAINS AND  
DESERT AREAS. A SLOW WARMING TREND WILL BEGIN TOMORROW AND WILL  
RAISE TEMPERATURES ACROSS THE AREA TO ABOVE NORMAL LEVELS BY THE  
WEEKEND.  
 

 
   
DISCUSSION
 
 
FAIRLY QUIET PATTERN IN PLACE ESPECIALLY FOR THE SAN JOAQUIN  
VALLEY. AN OMEGA BLOCK IN PLACE OVER THE FAR EASTERN PACIFIC. THIS  
CONFIGURATION HAS A WEAK CLOSED LOW ON THE EASTERN SIDE OF THE  
BLOCK OVER THE GREAT BASIN. THIS WEAK LOW HAS BROUGHT BREEZY  
CONDITIONS AND COOLER TEMPERATURES TO THE AREA. ALSO, THE  
DISTURBANCE HAS BROUGHT A FEW LIGHT SCATTERED SHOWERS OVER THE  
HIGHER ELEVATIONS IN THE YOSEMITE AREA TODAY. A FEW HEAVIER  
SHOWERS DEVELOPED OVER OUR NEIGHBORS TO THE NORTH FORECAST AREA AS  
THE NORTHWESTERLY FLOW AROUND THE PERIPHERY OF THE CIRCULATION  
HAS BROUGHT SOME MOISTURE, INSTABILITY, AND A BIT OF LIFT TO THESE  
AREAS. THESE SHOWERS HAVE DRIFTED SOUTHEASTERLY INTO THE YOSEMITE  
AREA.  
 
STRONGER WESTERLY FLOW TO THE SOUTH HAS ALLOWED FOR BREEZY TO  
GUSTY WEST WINDS IN PARTS OF THE KERN COUNTY MOUNTAINS AND DESERT  
AREAS YESTERDAY AND WILL DO SO AGAIN THIS AFTERNOON AND EVENING.  
A WIND ADVISORY IS ONCE AGAIN IN EFFECT FOR THESE AREAS NOW  
THROUGH 11 PM TONIGHT. THE WINDS LOOK TO WEAKEN AGAIN BY LATE  
TONIGHT. WEAK TROUGHING LOOKS TO REMAIN OVER THE GREAT BASIN OVER  
THE NEXT SEVERAL DAYS WITH THE BLOCKY PATTERN IN PLACE. THIS WILL  
KEEP THE THREAT OF LIGHT SHOWERS OVER THE SIERRA NEVADA, PRIMARILY  
THE YOSEMITE NECK OF THE WOODS. PERIODS OF BREEZY TO GUSTY WINDS  
FOR PARTS OF THE AREA WILL ALSO BE POSSIBLE IN THIS REGIME.  
GUIDANCE HAS THE PATTERN SLOWLY SHIFTING EASTWARD BY THIS  
WEEKEND. THIS WILL ALLOW FOR SYNOPTIC WARMING TO MOVE INTO THE  
REGION AND BRING A RETURN TO ABOVE NORMAL LEVELS. THE WARMEST DAYS  
LOOK TO BE SUNDAY AND MONDAY. AS OF RIGHT NOW, FOR FRESNO ON  
SUNDAY THERE IS A 75 PERCENT CHANCE OF HIGH TEMPERATURES GREATER  
THAN 85 DEGREES AND ON MONDAY A 98 PERCENT CHANCE OF THAT. FOR  
BAKERSFIELD ON SUNDAY THERE IS A 66 PERCENT CHANCE OF HIGH TEMPS  
GREATER THAN 85 AND AN 88 PERCENT CHANCE OF THIS OCCURRENCE ON  
MONDAY. HOWEVER, WITH THE BLOCKY PATTERN IN PLACE TIMING  
CONFIDENCE IS NOT HIGH. SO, THE FORECAST MAY BE PUSHED BACK  
SLIGHTLY WITH ANY DELAY TO THIS BLOCKY PATTERNS RETREAT.  
 
ANOTHER WEAK DISTURBANCE LOOKS TO MOVE SOUTHWARD OVER THE PACIFIC  
COAST AND WILL ONCE AGAIN BRING COOLER TEMPERATURES FOR TUESDAY  
INTO THE THURSDAY TIME FRAME. BUT, AGAIN KEEP IN MIND THAT THE  
BLOCKY PATTERN CAVEAT EMPTOR IS INDEED IN PLACE.  
 

 
 
   
AVIATION
 
 
LOCAL MOUNTAIN OBSCURATIONS POSSIBLE IN CLOUDS/SHOWERS ALONG THE  
HIGH SIERRA AROUND YOSEMITE THROUGH 03Z. SURFACE WINDS GUSTING  
ABOVE 35KTS OVER THE KERN COUNTY MOUNTAINS AND ACROSS THE MOJAVE  
DESERT POSSIBLE THROUGH 06Z THURSDAY. OTHERWISE, VFR CONDITIONS  
ARE FORECAST TO PREVAIL ACROSS THE CENTRAL CA INTERIOR OVER THE  
NEXT 24 HOURS.  
 

 
   
AIR QUALITY ISSUES
 
 
NONE.  
 

 
   
CERTAINTY
 
 
THE LEVEL OF CERTAINTY FOR DAYS 1 AND 2 IS HIGH.  
THE LEVEL OF CERTAINTY FOR DAYS 3 THROUGH 7 IS MEDIUM.  
 
CERTAINTY LEVELS INCLUDE LOW...MEDIUM...AND HIGH. PLEASE VISIT  
WWW.WEATHER.GOV/HNX/CERTAINTY.HTML FOR ADDITIONAL INFORMATION  
AN/OR TO PROVIDE FEEDBACK.  
 

 
   
HNX WATCHES/WARNINGS/ADVISORIES
 
 
WIND ADVISORY UNTIL 11 PM PDT THIS EVENING FOR CAZ196-198-199.  
 

 
 

 
 
PUBLIC...ANDERSEN  
AVIATION....ANDERSEN  
 
WEATHER.GOV/HANFORD  
 
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