Alert archive / Puerto Rico / High Surf Advisories in 2010

High Surf Advisory 5, NWS JSJ

February 13, 2010

NWS JSJ issued this high surf advisory at Feb 13, 2010, 8:08 AM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Feb 13, 2010, 8:08 AM CST (14:08 UTC)
Expired: Feb 14, 2010, 2:01 AM CST
In force: 18 hr
Issued by: NWS JSJ

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS JSJ wrote its last area forecast discussion before this high surf advisory went out at Feb 12, 1:24 PM CST, 18 hours 44 minutes earlier.

Area forecast discussion, Feb 12, 1:24 PM CST, 18 hours 44 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
324 PM AST FRI FEB 12 2010

.SYNOPSIS...MID TO UPPER LEVEL RIDGE WILL BECOME THE DOMINANT
WEATHER FEATURE LOCALLY FOR THE NEXT SEVERAL DAYS RESULTING IN
GENERALLY FAIR AND MAINLY DRY WEATHER ACROSS THE LOCAL ISLANDS.

&&

.DISCUSSION...THE TAIL END OF THE OLD FRONTAL BOUNDARY WILL
LINGER ACROSS THE LOCAL ISLANDS THROUGH EARLY TONIGHT...BEFORE
MOVING BACK TO THE NORTHWEST AND DISSIPATING LATE TONIGHT AND
SATURDAY. ALTHOUGH EXPECT TONIGHT TO BE MAINLY DRY...THIS
LINGERING BOUNDARY AND ASSOCIATED MOISTURE COULD CAUSE SOME
FORECAST HEADACHES WITH CLOUDS AND SHOWERS LATER TONIGHT...IF IT
DOES NOT BEGIN TO MOVE AWAY MORE STEADILY. BY SATURDAY HOWEVER...
DO EXPECT REMNANTS OF THIS FEATURE TO BE MAINLY GONE AND
AFOREMENTIONED MID TO UPPER LEVEL HIGH PRESSURE...ASSOCIATED
SUBSIDENCE AND RELATIVELY DRY AIR MASS...SHOULD RESULT IN MAINLY
DRY WEATHER ACROSS THE LOCAL ISLANDS...WITH THIS WEATHER LIKELY
LINGERING THROUGH SUNDAY AND PROBABLY MONDAY TOO.

&&

.AVIATION...EXPECT PREVAILING VFR CONDITIONS ACROSS THE LOCAL
ISLANDS AND AT ALL LOCAL TAF SITES THROUGH TONIGHT. VERY LARGE
AREA OF LEFTOVER VOLCANIC ASH FROM THE LARGE ERUPTION FROM
THURSDAY CONTINUES ACROSS THE CARIBBEAN TO OUR SOUTH AND
SOUTHEAST. THIS ASH SHOULD REMAIN AWAY FROM THE LOCAL ISLANDS AND
TAF SITES THROUGH THE EARLY PART OF TONIGHT...BUT WINDS BECOME
MORE SOUTHEAST WITH TIME THROUGH THE COLUMN AND EXPECT THIS ASH
AND ASH FROM ONGOING EMISSIONS TO BECOME MORE AND MORE OF A HAZARD
LOCALLY LATE TONIGHT THROUGH SATURDAY. ALL AVIATION INTERESTS
SHOULD PAY CLOSE ATTENTION TO LATER FORECASTS...ADVISORIES AND
SIGMETS.

&&

.MARINE...VERY LARGE...LONG PERIOD NORTH NORTHWEST SWELLS WILL
CONTINUE TO BUILD ACROSS THE LOCAL ATLANTIC WATERS AND THE
CARIBBEAN PASSAGES AND PEAK LATE THIS AFTERNOON THROUGH THIS
EVENING...THEN CONTINUE THROUGH SATURDAY AND SATURDAY
NIGHT...MAKING FOR VERY ROUGH AND HAZARDOUS MARINE CONDITIONS.
THESE SWELLS WILL CONTINUE TO LINGER WHILE SLOWLY SUBSIDING
SUNDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR ALL OF THE
LOCAL COASTAL WATERS FOR TONIGHT.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  71  84  72  86 /  10   0   0  10
STT  75  84  76  84 /  10   0   0  10

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...COASTAL FLOOD WARNING UNTIL 8 AM AST SATURDAY FOR CULEBRA-
     MAYAGUEZ AND VICINITY-NORTH CENTRAL-NORTHEAST-NORTHWEST-SAN
     JUAN AND VICINITY-VIEQUES.

     HIGH SURF WARNING UNTIL 8 AM AST SATURDAY FOR CULEBRA-MAYAGUEZ
     AND VICINITY-NORTH CENTRAL-NORTHEAST-NORTHWEST-SAN JUAN AND
     VICINITY-VIEQUES.

     SMALL CRAFT ADVISORY AMZ710...712...715...722...725...732...
     735...741...742 AND 745.

VI...COASTAL FLOOD WARNING UNTIL 8 AM AST SATURDAY FOR ST. THOMAS/ST.
     JOHN/ADJACENT ISLANDS.

     HIGH SURF WARNING UNTIL 8 AM AST SATURDAY FOR ST. THOMAS/ST.
     JOHN/ADJACENT ISLANDS.

     HIGH SURF ADVISORY UNTIL 8 AM AST SATURDAY FOR ST CROIX.

     SMALL CRAFT ADVISORY AMZ710...715...722...725 AND 732.

&&

Nearby

High Surf Advisories in Puerto Rico, 2010 High Surf Advisories in U.S. Virgin Islands, 2010 Every high surf advisory in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.