FXUS66 KEKA 021128 AFDEKA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE EUREKA CA 328 AM PST FRI MAR 2 2012 .SYNOPSIS...A RIDGE OF HIGH PRESSURE BUILDING OVER THE WEST COAST WILL BRING NORTHWEST CALIFORNIA DRY CONDITIONS THROUGH THE WEEKEND. THE NEXT THREAT OF RAIN COMES IN THE FORM OF A STORM SYSTEM EARLY NEXT WEEK. && .DISCUSSION...COLD AIR OVER THE REGION COMBINED WITH MOSTLY CLEAR SKIES HAS ALLOWED TEMPERATURES TO FALL TO AROUND FREEZING EARLY THIS MORNING ALONG THE COAST. SINCE GROWING SEASON HAS JUST STARTED FOR THE COAST, ISSUED A FREEZE WARNING FOR THE REDWOOD COAST. ISSUED A FROST ADVISORY FOR THE MENDOCINO COAST BECAUSE TEMPERATURES THERE ARE SLIGHTLY WARMER. TEMPERATURES WILL QUICKLY WARM UP BY LATE MORNING, SETTING THE STAGE FOR A NICE DAY. A RIDGE OF HIGH PRESSURE BUILDING OVER THE WEST COAST WILL BRING NORTHWEST CALIFORNIA DRY CONDITIONS THROUGH THE WEEKEND. A WEAK FRONT PASSING TO OUR NORTH TODAY MAY BRING SOME CLOUDS TO DEL NORTE COUNTY, BUT OTHER THAN THAT IT SHOULD BE MOSTLY SUNNY ACROSS MOST OF THE AREA. TEMPERATURES TONIGHT WILL BE A FEW DEGREES WARMER IN THE MODERATING AIR MASS, THOUGH PATCHY FOG MAY OCCUR AGAIN. THE WEEKEND LOOKS GREAT, MOSTLY SUNNY WITH SOME INLAND TEMPERATURES HITTING THE 70 DEGREE MARK. EVEN PORTIONS OF THE COAST MIGHT HIT 60 DEGREES THIS WEEKEND. ENJOY THE GOOD WEATHER WHILE IT LASTS. THE NEXT THREAT OF RAIN COMES IN THE FORM OF A STORM SYSTEM EARLY NEXT WEEK. MODELS ARE IN GOOD AGREEMENT SHOWING RAIN LATE MONDAY INTO TUESDAY. BUMPED UP POPS TO REFLECT THIS. IT'S STILL TOO EARLY TO DETERMINE QPF AMOUNTS, BUT SNOW LEVELS LOOK LIKE THEY WILL BE MOSTLY ABOVE PASS LEVELS. BEYOND THAT THE MODELS DIVERGE IN SOLUTIONS, SO STAYED WITH MOSTLY CLIMO POPS IN THE LONG TERM. && .AVIATION...05Z MODIS 11-4U IMAGERY SHOWED FG ACROSS INTERIOR VALLEYS WITH OBS AT FOT AND O54 REPORTING VLIFR ATTM. EXPECT FG TO DISSIPATE BY 17Z WITH VFR CONDITIONS PREVAILING INTO THIS EVENING. EXPECT FG TO DEVELOP AGAIN OVERNIGHT RESULTING IN IFR CONDITIONS. HOWEVER...WEAK OFFSHORE GRADIENT MAY INHIBIT FG DEVELOPMENT TO THE COAST. && .MARINE...NLY WINDS WILL CONTINUE TO GRADUALLY DIMINISH OVER THE WATERS TODAY. HOWEVER...ADVISORY LEVEL WINDS WILL PERSIST INTO THIS EVENING OFFSHORE S OF CAPE MENDO. LGT TO MDT NLY WINDS WILL PERSIST THROUGH THE WEEKEND AS HIGH PRESSURE PREVAILS. WINDS AND SEAS WILL INCREASE EARLY NEXT WEEK AS ANOTHER STORM SYSTEM IMPACTS THE WATERS. && .EKA WATCHES/WARNINGS/ADVISORIES... CA... FREEZE WARNING FOR CAZ001. FROST ADVISORY FOR CAZ002. NORTHWEST CALIFORNIA COASTAL WATERS... SMALL CRAFT ADVISORY FOR PZZ450-455-470-475. && $$ VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA FOLLOW US ON FACEBOOK AT: HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV  FXUS66 KEKA 241033 AFDEKA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE EUREKA CA 333 AM PDT FRI AUG 24 2012 .SYNOPSIS...HIGH PRESSURE OVER THE REGION WILL MAINTAIN SEASONAL TEMPERATURES AND MAINLY CLEAR SKIES WITH THE EXCEPTION OF NIGHT AND MORNING COASTAL CLOUDS. COOLER TEMPERATURES AND INCREASED CLOUD COVER EXPECTED EARLY NEXT WEEK AS A SYSTEM PASSES TO THE NORTH. && .DISCUSSION...WV IMAGERY SHOWS UPPER LOW MOVING THROUGH THE PAC NW ATTM WITH UPPER RIDGE PREVAILING OVER THE REGION. THIS WILL MAINTAIN SEASONAL TEMPS AND MOSTLY SUNNY SKIES ACROSS THE REGION TODAY. UPPER RIDGE WILL BEGIN TO SHIFT E SAT AS A LONG WAVE TROUGH DEEPENS OVER THE NE PAC. MODELS IN DECENT AGREEMENT IN THIS TROUGH IMPACTING THE NW U.S. THROUGH WED BEFORE SHIFTING INLAND. HOWEVER... MODELS SHOW ONLY FAIR AGREEMENT IN STRENGTH AND TIMING OF THIS FEATURE. CONTINUED THE TREND OF A GENERAL MODEL BLEND TO ACCOUNT FOR DIFFERENCES. ALTHOUGH DETAILS ARE HARD TO PIN DOWN ATTM...A COOLER WX PATTERN WITH GREATER COASTAL FG/STRATUS COVERAGE IS IN STORE FOR THE FIRST HALF OF NEXT WEEK. && .MARINE...HAVE MADE FEW CHANGES TO THE EXISTING FORECAST PACKAGE. EARLIER WINDSAT PASS VERIFIES WELL AGAINST GRIDS. WINDS ARE FORECAST TO DROP OFF RAPIDLY TONIGHT AND SAT. DID EXTEND THE N OFFSHORE GALE WARNING 3 HOURS WHICH BLENDS BETTER WITH MFR AND FORECAST WIND GUSTS. WIND GUSTS OVER 40 KT ARE POSSIBLE THRU TODAY OVER THE EXTREME N PORTION OF THE OFFSHORE WATERS. LIGHT WINDS WITH SEAS LESS THAN 5 FT ARE EXPECTED LATE IN THE WEEKEND AND INTO EARLY NEXT WEEK. /SEC && .AVIATION...06Z MODIS PASS SHOWED SOME FG IN THE VAN DUZEN RIVER VALLEY WITH MOSTLY CLEAR SKIES ACROSS REST OF CWA. EXPECT PERSISTENCE TO RULE THE DAY AS UPPER RIDGE PREVAILS ACROSS THE REGION. SOME PATCHY FG/STRATUS MAY DEVELOP ALONG THE COAST AROUND SUNRISE BUT WILL BE SHORT LIVED. VFR CONDITIONS WILL PREVAIL ACROSS THE REGION TODAY WITH SOME MVFR VSBY AROUND ROUND VALLEY DUE TO SMOKE FROM THE N PASS FIRE. && .EKA WATCHES/WARNINGS/ADVISORIES... SMALL CRAFT ADVISORY UNTIL 5 AM PDT SATURDAY PZZ450-455. GALE WARNING UNTIL 11 PM PDT THIS EVENING PZZ470. GALE WARNING UNTIL 3 PM PDT THIS AFTERNOON PZZ475. && $$ VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA FOLLOW US ON FACEBOOK AND TWITTER AT: HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV HTTP://WWW.TWITTER.COM/NWSEUREKA  FXUS66 KEKA 241648 AFDEKA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE EUREKA CA 948 AM PDT FRI AUG 24 2012 .SYNOPSIS...HIGH PRESSURE OVER THE REGION WILL MAINTAIN SEASONAL TEMPERATURES AND MAINLY CLEAR SKIES WITH THE EXCEPTION OF NIGHT AND MORNING COASTAL CLOUDS. COOLER TEMPERATURES AND INCREASED CLOUD COVER EXPECTED EARLY NEXT WEEK AS A SYSTEM PASSES TO THE NORTH. .UPDATE...DID A QUICK UPDATE TO THE FORECAST THIS MORNING TO ADD AREAS OF SMOKE TO MUCH OF INTERIOR HUMBOLDT...DEL NORTE AND TRINITY COUNTIES. EXPECT THE AFTERNOON WESTERLIES WILL PUSH THE SMOKE BACK TO THE EAST. TONIGHT EXPECT SMOKE WILL RETURN IN A FAIRLY SIMILAR FASHION. ALSO MADE A FEW MINOR TWEAKS TO THE CLOUD COVER. MKK && .PREV DISCUSSION... /ISSUED 333 AM PDT FRI AUG 24 2012/ DISCUSSION...WV IMAGERY SHOWS UPPER LOW MOVING THROUGH THE PAC NW ATTM WITH UPPER RIDGE PREVAILING OVER THE REGION. THIS WILL MAINTAIN SEASONAL TEMPS AND MOSTLY SUNNY SKIES ACROSS THE REGION TODAY. UPPER RIDGE WILL BEGIN TO SHIFT E SAT AS A LONG WAVE TROUGH DEEPENS OVER THE NE PAC. MODELS IN DECENT AGREEMENT IN THIS TROUGH IMPACTING THE NW U.S. THROUGH WED BEFORE SHIFTING INLAND. HOWEVER... MODELS SHOW ONLY FAIR AGREEMENT IN STRENGTH AND TIMING OF THIS FEATURE. CONTINUED THE TREND OF A GENERAL MODEL BLEND TO ACCOUNT FOR DIFFERENCES. ALTHOUGH DETAILS ARE HARD TO PIN DOWN ATTM...A COOLER WX PATTERN WITH GREATER COASTAL FG/STRATUS COVERAGE IS IN STORE FOR THE FIRST HALF OF NEXT WEEK. MARINE...HAVE MADE FEW CHANGES TO THE EXISTING FORECAST PACKAGE. EARLIER WINDSAT PASS VERIFIES WELL AGAINST GRIDS. WINDS ARE FORECAST TO DROP OFF RAPIDLY TONIGHT AND SAT. DID EXTEND THE N OFFSHORE GALE WARNING 3 HOURS WHICH BLENDS BETTER WITH MFR AND FORECAST WIND GUSTS. WIND GUSTS OVER 40 KT ARE POSSIBLE THRU TODAY OVER THE EXTREME N PORTION OF THE OFFSHORE WATERS. LIGHT WINDS WITH SEAS LESS THAN 5 FT ARE EXPECTED LATE IN THE WEEKEND AND INTO EARLY NEXT WEEK. /SEC AVIATION...06Z MODIS PASS SHOWED SOME FG IN THE VAN DUZEN RIVER VALLEY WITH MOSTLY CLEAR SKIES ACROSS REST OF CWA. EXPECT PERSISTENCE TO RULE THE DAY AS UPPER RIDGE PREVAILS ACROSS THE REGION. SOME PATCHY FG/STRATUS MAY DEVELOP ALONG THE COAST AROUND SUNRISE BUT WILL BE SHORT LIVED. VFR CONDITIONS WILL PREVAIL ACROSS THE REGION TODAY WITH SOME MVFR VSBY AROUND ROUND VALLEY DUE TO SMOKE FROM THE N PASS FIRE. && .EKA WATCHES/WARNINGS/ADVISORIES... CA...NONE. NORTHWEST CALIFORNIA COASTAL WATERS...SMALL CRAFT ADVISORY UNTIL 5 AM PDT SATURDAY PZZ450-455. GALE WARNING UNTIL 11 PM PDT THIS EVENING PZZ470. GALE WARNING UNTIL 3 PM PDT THIS AFTERNOON PZZ475. && $$ VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA FOLLOW US ON FACEBOOK AND TWITTER AT: HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV HTTP://WWW.TWITTER.COM/NWSEUREKA