Event driven product issued as needed. This is a sample product only. The actual product will represent the geographical area requested. URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 520 PM PST SAT JAN 18 2003 ..DENSE FOG ADVISORY FOR THE COASTAL AREAS OF ORANGE AND SAN DIEGO COUNTIES UNTIL 900 AM SUNDAY... .A SHALLOW MARINE LAYER WILL CAUSE AREAS OF DENSE FOG NEAR THE COAST TONIGHT THROUGH MID MORNING SUNDAY. LOCAL VISIBILITIES WILL BE REDUCED TO NEAR ZERO IN THE DENSE FOG. MOTORISTS SHOULD USE EXTRA CAUTION WHEN THEY ENCOUNTER THE DENSE FOG. VISIBILITIES WILL IMPROVE BY MID MORNING SUNDAY AS THE FOG BURNS OFF. CAZ042-043-190800- ORANGE COUNTY COASTAL AREAS- SAN DIEGO COUNTY COASTAL AREAS- 520 PM PST SAT JAN 18 2003 ..DENSE FOG ADVISORY UNTIL 900 AM SUNDAY... AREAS OF DENSE FOG NEAR THE COAST WITH LOCAL VISIBILITIES LESS THAN 1/4 MILE. VISIBILITIES WILL IMPROVE BY MID MORNING SUNDAY AS THE FOG BURNS OFF. $$ THE FOLLOWING ARE SOME VISIBILITIES REPORTED SATURDAY EVENING... HUNTINGTON BEACH.....1/16 MILE NEWPORT BEACH........1/8 MILE SAN CLEMENTE PIER....1/4 MILE OCEANSIDE HARBOR.....1/16 MILE SOLANA BEACH.........1/16 MILE OCEANSIDE AIRPORT....LESS THAN 1/4 MILE CARLSBAD AIRPORT... .1/2 MILE $$