000 FPCA72 TJSJ 231710 NOWSJU SHORT TERM FORECAST NATIONAL WEATHER SERVICE SAN JUAN PR 110 PM AST MON NOV 23 2009 PRZ006-007-009>011-232000- MAYAGUEZ AND VICINITY-SOUTHWEST-CENTRAL INTERIOR-PONCE AND VICINITY- WESTERN INTERIOR- 110 PM AST MON NOV 23 2009 .NOW... AT 100 PM AST...SHOWERS AND POSSIBLY AN ISOLATED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE SOUTHWEST SECTIONS OF THE ISLAND. THE HEAVIEST RAINFALL WAS OCCURRING ACROSS SAN GERMAN...HORMIGUEROS...AND SABANA GRANDE. ALSO...FAST MOVING PASSING SHOWERS ARE ALSO POSSIBLE ACROSS THE WESTERN PART OF THE PORTUGUES DAM SITE IN PONCE. BRIEF PERIODS OF MODERATE TO HEAVY RAINFALL...AND MINOR PONDING OF WATER ON ROADWAYS WILL BE POSSIBLE WITH THE PASSING SHOWER ACTIVITY AT LEAST UNTIL 400 PM AST. $$ CASTRO ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/: HTTP://WWW.WEATHER.GOV/SANJUAN