
Fog was thick this morning in the Arcata Bottom, above. The fog was supposed to burn off, but as of 11:30 a.m., it’s still thick at McK Press headquarters on Central Avenue.
Raw from the NWS:
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
308 AM PDT WED MAR 30 2011
.SYNOPSIS…STRONG HIGH PRESSURE WILL BUILD INTO THE REGION
TODAY…RESULTING IN WARMER AND DRIER WEATHER THROUGH FRIDAY.
ANOTHER WEAK SYSTEM WILL BRING A CHANCE OF SHOWERS TO THE AREA ON
SATURDAY.
&&
.DISCUSSION…WEAK FLOW AND RESIDUAL MOISTURE IS THE PERFECT
COMBINATION FOR COASTAL FOG THIS MORNING. AS HIGH PRESSURE EXPANDS
EASTWARD FROM THE CENTRAL PAC…CLOUDS SHOULD CLEAR TODAY FOR
MOST AREAS AS UPPER LEVEL MOISTURE IS SHUNTED TO THE NE.
SUBSTANTIAL WARMING ALOFT OCCURS TODAY…AND EVEN MORE SO ON THU.
H85 TEMPS PEAK AROUND 16C IN MENDOCINO CO…TRANSLATING TO TEMPS
IN THE 70S TO NEAR 80…ABOUT 10 TO 15 DEGREES ABOVE NORMAL FOR
THIS TIME OF YEAR. WITH THE WARMING COMES THE DEVELOPMENT OF A
THERMAL TROUGH ACROSS THE INTERIOR. THIS IN COMBINATION WITH HIGH
PRESSURE OFFSHORE WILL LEAD TO INCREASING NORTH WINDS OFFSHORE.
THIS PATTERN IS REMINISCENT OF SUMMER…AND AM CONCERNED THAT
COASTAL STRATUS MAY DEVELOP AND HANG TOUGH THE NEXT TWO MORNINGS.
I BEEFED UP CLOUDS AND BROUGHT IN FOG ALONG THE COAST…BUT
CONFIDENCE IN THIS SCENARIO IS NOT REAL HIGH.
THE RIDGE AXIS CROSSES THE AREA EARLY FRI AS A TROUGH DROPS OUT OF
THE GULF OF ALASKA. MODELS HAVE SLOWED DOWN THE PROGRESSION OF
THIS TROUGH DUE TO THE STRENGTH OF THE RIDGE. TEMPS COOL ON SAT
WITH TROUGH PASSAGE ALONG WITH A CHANCE FOR SHOWERS. ANOTHER RIDGE
POKES UP BEHIND THE TROUGH ON SUN…AND PERSISTS INTO MON. THE
RIDGE FLATTENS BY TUE…WITH THE POSSIBILITY OF ANOTHER WEAK
TROUGH COMING AT US FROM THE NORTHWEST. JCA



