000 FXCA62 TJSJ 021856 AFDSJU AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 256 PM AST FRI AUG 2 2013 .SYNOPSIS...TUTT NORTHEAST OF THE AREA WILL RELOCATE OVER HISPANIOLA BY TUE. SUBEQUATORIAL RIDGE WILL BUILD OVR THE AREA MID NEXT WEEK. SAL WILL BEGIN TO WEAKEN SUN. && .DISCUSSION...DENSE LAYER OF SAHARAN DUST OVER PR ATTM PER VISUAL OBS...GOES VIS AND MODIS AOD AND DUST PRODUCTS. SAL WILL CONTINUE TO INTENSIFY THROUGH SAT WITH H85 TEMPS EXPECTED TO SOAR TO 22C RESULTING IN VERY HOT AND/OR NEAR RECORD TEMPERATURES SAT. TEMPS LIKELY TO REACH MID 90S. ON SUN...SKIES EXPECTED TO BECOME CLEARER AS SAL BEGINS TO WEAKEN. BY MON...IT APPEARS SAL AND ASSOCIATED INVERSION WILL WEAKEN SUFFICIENTLY TO ALLOW FOR AFTERNOON SHOWERS AND THUNDERSTORMS TO DEVELOP ACROSS WRN PR. HOWEVER...STILL LOTS OF MID LEVEL DRY WHICH SHOULD LIMIT AREAL CVRG OF SHOWERS. A TROPICAL WAVE WILL REACH THE AREA WED AND GIVE US THE BEST CHANCE OF PRECIP OVR THE NEXT SEVEN DAYS. THIS IS ABOUT A DAY FASTER THAN YDAY ATTM. GRADUAL DRYING EXPECTED THU THRU FRI. && .AVIATION...VFR CONDITIONS ARE EXPECTED AT ALL TAF SITES THROUGH THE FORECAST PERIOD. HOWEVER...A DENSE LAYER OF SAHARAN DUST WILL CONTINUE TO PREVAIL OVER THE AREA LOWERING VSBYS. LVL WINDS ESE 15 TO 25 KT. && .MARINE...DUST HAZE WILL BE THE ONLY THING SIGNIFICANT TODAY AND SAT WITH SKIES BECOMING CLEARER SUN. SEAS GENERALLY 3-5 FT AND WINDS 15-20 KT. && .PRELIMINARY POINT TEMPS/POPS... SJU 78 90 78 89 / 0 0 0 0 STT 82 91 82 91 / 10 0 10 0 && .SJU WATCHES/WARNINGS/ADVISORIES... PR...NONE. VI...NONE. COASTAL WATERS...NONE. && $$ 23/64
Posted on: Sat, 03 Aug 2013 00:40:59 +0000