National Weather Service Forecast for: San Juan, Puerto Rico  

Updated: 9:27 am AST Jul 29, 2014 

Hazardous Weather Outlook
 

Today Scattered Showers	Tonight Isolated Showers	Wednesday Isolated Showers	Wednesday Night Isolated Showers	Thursday Isolated Showers	Thursday Night Isolated Showers	Friday Isolated Showers	Friday Night Isolated Showers	Saturday Isolated Showers
Hi 89 °F	Lo 77 °F	Hi 90 °F	Lo 77 °F	Hi 90 °F	Lo 78 °F	Hi 89 °F	Lo 78 °F	Hi 90 °F

National Weather Service Forecast Details

 

INVEST 93L

Forecasting Models

U.S. Drought Monitor

Local Radar

Tropical Weather Outlook

000
ABNT20 KNHC 291152
TWOAT

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT TUE JUL 29 2014

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

Satellite images indicate that showers and thunderstorms
associated with an area of low pressure located about 1600 miles
east of the southern Windward Islands continue to become better
organized.  This system could develop into a tropical depression
later today or tomorrow while it moves westward or
west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...80 percent.

$$
Forecaster Pasch

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North Atlantic Water Vapor (Loop)

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Saharan Air Layer

Wind Shear Tendency

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