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Atlantic Hurricane Season 2019 Summary

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National Weather Service Today's Weather Impact Levels

 

National Weather Service Five Day Forecast for: San Juan, Puerto Rico  

Updated: 5:43 am AST Dec 9, 2019 

Hazardous Weather Outlook
 

Today

Today: Scattered showers, mainly before 1pm.  Mostly sunny, with a high near 83. East northeast wind 9 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.
Scattered
Showers
Tonight

Tonight: Scattered showers, mainly after 7pm.  Partly cloudy, with a low around 72. East southeast wind 11 to 13 mph.  Chance of precipitation is 40%.
Scattered
Showers
Tuesday

Tuesday: Scattered showers, mainly after 1pm.  Mostly sunny, with a high near 83. East wind 10 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.
Scattered
Showers
Tuesday
Night
Tuesday Night: Showers likely, mainly between 7pm and 1am.  Mostly cloudy, with a low around 74. East wind 11 to 14 mph.  Chance of precipitation is 60%.
Showers
Likely
Wednesday

Wednesday: Scattered showers.  Mostly sunny, with a high near 83. East wind 15 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.
Scattered
Showers
Wednesday
Night
Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 73. East northeast wind around 14 mph.  Chance of precipitation is 50%.
Scattered
Showers
Thursday

Thursday: Scattered showers, mainly before 1pm.  Partly sunny, with a high near 83. East wind 13 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 40%.
Scattered
Showers
Thursday
Night
Thursday Night: Partly cloudy, with a low around 72. East wind 8 to 16 mph, with gusts as high as 21 mph.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 83. East wind 8 to 14 mph.
Mostly Sunny
Hi 83 °FLo 72 °FHi 83 °FLo 74 °FHi 83 °FLo 73 °FHi 83 °FLo 72 °FHi 83 °F

National Weather Service Forecast Details

 

 

 

 

Caribbean Sea Satellite

 

GRLevel3 Radar

  [10/10
GRLevel3 radar from NWS station TJUA

 

NWS San Juan Doppler Radar

 

 

Weather Summary for Puerto Rico

480
AWCA82 TJSJ 090920
RWSPR

Weather Summary for Puerto Rico
National Weather Service San Juan PR
520 AM AST Mon Dec 9 2019

Skies were variably cloudy. There were occasional showers across
much of northern Puerto Rico and parts of eastern Puerto Rico.
Amounts of up to 6 tenths of an inch were seen. San Juan received
almost one quarter inch after midnight. Winds were generally
light and less than 7 mph, but the showers had some gusts of 20
mph or more as they passed by. Overnight minimums ranged from the
mid to upper 70s on the windward coasts to the mid 60s in the
higher mountain valleys.

Moisture extending from the northeast ahead of a stalled cold
front will continue to cross through the area today. This will
bring scattered showers to much of the island and a slight chance
of thunderstorms to western and central Puerto Rico during the
afternoon. Showers will pass by quickly with winds increasing to
10 to 20 mph during the day. Highs today will be in the 80s in the
low to mid elevations and in the 70s in the higher mountains. Lows
tonight will be mostly in the 70s in the lower elevations with mid
to upper 60s in the higher terrain. Winds will continue to
increase through Wednesday owing to a strong high pressure
building in the central Atlantic and a wetter period appears to
be coming Thursday and Friday.

Across the local waters, winds up to 20 knots are expected. Seas
up to 6 feet are expected today, but will increase to 7 feet in
some exposed waters of the Atlantic and Caribbean and their
passages tonight. There is a moderate risk of rip currents for the
beaches along the north coasts of Puerto Rico, and some of the
beaches in Vieques and Culebra. Small craft advisories will go
into effect starting tonight as seas become hazardous due to wind
generated waves.

$$

This product is issued around 5 AM and 5 PM each day and weather
conditions may change between issuances. Please verify the status
of any Watches...Warnings or Advisories mentioned in this product.

NWS SJU Office Area Forecast Discussion

 

 

24 HR Rainfall Accumulations

 

48 HR Rainfall Accumulations

 

Tropical Atlantic Satellite

 

 

 

Global Tropics Hazards and Benefits Outlook (Click image for more details)

 

Shear Tendency Map

 

Saharan Air Layer

 

Sea Surface Temperatures

 

Sea Surface Temperatures Anomalies

 

 

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