046  
FXUS66 KEKA 111036  
AFDEKA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE EUREKA CA  
336 AM PDT THU AUG 11 2022  
   
SYNOPSIS
 
A GRADUAL WARMING TREND WILL KICK OFF TODAY FOR INTERIOR  
AREAS, WHILE MOSTLY SEASONAL CONDITIONS PERSIST AT THE COAST. AREAS  
OF SMOKE WILL PERSIST INLAND AND CONTINUE TO IMPACT HIGH  
TEMPERATURES IN THE VICINITY OF WILDFIRES.  
 

 
   
DISCUSSION
 
A MID TO UPPER-LEVEL LOW WILL SLOWLY TREK TO THE NORTH  
THROUGH THE REST OF THE WORK WEEK AND MOVE OVER SOUTHERN BRITISH  
COLUMBIA EARLY THIS WEEKEND. RIDGING OVER THE FOUR CORNERS WILL  
GRADUALLY NUDGE WESTWARD AND AFTERNOON HIGH TEMPERATURES WILL BE ON  
THE INCREASE STARTING TODAY. SHORTWAVE TROUGHING IS FORECAST TO  
PERSIST OFFSHORE THIS WEEKEND AS RIDGING CONTINUES TO BUILD  
WESTWARD. CLUSTERS KEEP SHORTWAVE TROUGHING AROUND THROUGH MONDAY  
AND SUGGEST THAT RIDGING WILL REALLY BUILD WESTWARD STARTING  
TUESDAY. TEMPERATURES WILL INCREASE FURTHER AND SOME TRIPLE DIGITS  
MAY VERY WELL RETURN TO PORTIONS OF NORTHWEST CALIFORNIA AS A  
RESULT. SOME MONSOONAL MOISTURE MAY ALSO SURGE BACK INTO THE  
REGION AFTER MONDAY SHOULD THIS SCENARIO PLAY OUT. OTHERWISE,  
SMOKE WILL CONTINUE TO MODULATE HIGH TEMPERATURES IN THE VICINITY  
OF ACTIVE WILDFIRES.  
 

 
   
AVIATION
 
COASTAL STRATUS HAVE DEVELOPED AND EXPANDED ACROSS THE  
COASTAL PLAIN AND ALONG THE EEL DELTA RIVER OVERNIGHT. LIFR CEILINGS  
AND VISIBILITY IN FOG HAVE BEEN IMPACTING KCEC, WHILE MAINLY IFR  
CEILING AT KACV IS OBSERVED THIS MORNING. LOW CEILINGS WILL MOSTLY  
BURN OFF BY LATE MORNING/EARLY AFTERNOON WITH THE DAYTIME HEATING  
AND MIXING. STRATUS ARE EXPECTED TO REDEVELOP DURING THE EVENING,  
AND EVENTUALLY EXPANDED ACROSS THE NORTH COAST AND INLAND.  
MEANWHILE, PREVAILING VFR CONDITIONS ARE EXPECTED AT KUKI. WINDS  
WILL REMAIN LIGHT FROM WNW AT 10 KTS OR LESS, SHIFTING TO LIGHT S  
WINDS LATER IN THE EVENING.  
 

 
   
MARINE
 
NORTHERLY WINDS HAVE DEVELOPED ACROSS THE WATERS OVERNIGHT  
AND IS EXPECTED TO INCREASE IN SPEED THROUGH THE END OF THE WEEK.  
MODERATE BREEZES WILL DEVELOP S OF CAPE MENDOCINO THIS MORNING, AND  
INCREASE TO FRESH TO STRONG BREEZES ON FRIDAY. NORTHERLY WINDS WILL  
STRENGTHEN THROUGH THE WEEKEND. SHORT PERIOD SEAS WILL BUILD LATE IN  
THE WEEKEND AND INTO EARLY NEXT WEEK. SHORT PERIOD SEAS WILL BUILD  
ABOVE 6 FEET ACROSS THE OUTER WATERS ON SUNDAY AND CONTINUE TO BUILD  
INTO EARLY NEXT WEEK.  
 

 
   
COASTAL FLOODING
 
HIGHER ASTRONOMICAL TIDES WILL CONTINUE  
TONIGHT. TIDES ARE FORECAST TO BE AT 8.18 FEET AT THE NORTH SPIT  
TIDE GAUGE CLOSE TO MIDNIGHT HOURS. TIDAL ANOMALIES SHOULD BE  
BETWEEN 0.6 TO 0.7 FEET. NORTH SPIT WILL LIKELY REACHES 8.8 FEET  
OR SO AT AROUND 12AM NIGHT'S HIGH TIDES. MINOR COASTAL FLOODING  
AROUND KING SALMON AND JACKSON RANCH ROAD IN THE ARCATA BOTTOMS  
WILL BE LIKELY DURING LATE IN THE EVENING THROUGH MIDNIGHT. A  
COASTAL FLOODING ADVISORY WILL BE IN EFFECT FROM 11PM THROUGH 1AM  
TONIGHT.  
 

 
   
EKA WATCHES/WARNINGS/ADVISORIES
 
 
CA...  
COASTAL FLOOD ADVISORY FROM 11 PM THIS EVENING TO 1 AM PDT  
FRIDAY FOR CAZ103.  
 
NORTHWEST CALIFORNIA COASTAL WATERS...  
NONE.  

 
 

 
 
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