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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JUAN PR
616 AM AST WED AUG 20 2014

AMZ710>745-PRZ001>013-211030-
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS-
616 AM AST WED AUG 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE ADJACENT
ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

THE LOCAL ISLANDS WILL CONTINUE UNDER THE INFLUENCE OF UPPER LEVEL
TROUGH WHICH WILL INTERACT WITH PATCHES OF LOW LEVEL MOISTURE AND
LOCAL EFFECTS TO PRODUCE SHOWERS WITH THUNDERSTORMS. UNDER THE
PREVAILING WIND FLOW...EXPECT PASSING SHOWERS ACROSS THE NORTH AND
EAST COASTAL SECTIONS OF THE ISLANDS IN THE MORNING...FOLLOWED BY
AFTERNOON CONVECTION WHICH WILL BE MAINLY FOCUSED ACROSS WESTERN
PUERTO RICO. URBAN FLOODING POSSIBLE WITH THE HEAVIEST SHOWERS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

AN ELONGATED AREA OF LOW PRESSURE EAST OF THE LESSER ANTILLES NOW
HAS 50 PERCENT CHANCE OF BECOMING A TROPICAL CYCLONE THROUGH 5
DAYS. REGARDLESS OF TROPICAL CYCLONE DEVELOPMENT...THIS SYSTEM IS
EXPECTED TO MAINTAIN A WELL-DEFINED MID LEVEL CIRCULATION AND
LIKELY BRING PERIODS OF HEAVY RAINFALL AND SQUALLS FRIDAY THROUGH
SATURDAY AS IT MOVES ACROSS THE EASTERN CARIBBEAN SEA.

.SPOTTER INFORMATION STATEMENT...SPOTTER ACTIVATION WILL NOT BE
NEEDED AT THIS TIME.

$$



Short Term Forecast

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE SAN JUAN PR
216 PM AST WED AUG 20 2014

PRZ001-005-006-009-010-202100-
SAN JUAN AND VICINITY-NORTH CENTRAL-CENTRAL INTERIOR-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-
216 PM AST WED AUG 20 2014

.NOW...
THROUGH LATE AFTERNOON...SHOWERS AND THUNDERSTORMS WILL PRODUCE
VERY HEAVY RAIN OVER THE WEST INTERIOR PORTIONS OF PUERTO
RICO...AS WELL AS THE NORTH SLOPES. PRECIPITATION WILL BE
HEAVIEST BETWEEN JAYUYA AND MAYAGUEZ WHERE UP TO TWO INCHES OF
RAIN MAY FALL IN LOCAL AREAS. STREETS AND SMALL STREAMS MAY FLOOD
WHERE RAINFALL EXCEEDS TWO INCHES.

$$

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN






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