June 14, 2021

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Meteorology forecasts an afternoon with downpours and thunderstorms for the northern half of the island


The National Weather Service (SNM) in San Juan predicted an unstable afternoon with downpours and thunderstorms for the northern half of the island due to a trough in medium and high levels of the atmosphere that will increase precipitation from noon this Saturday.

Meteorologist José Álamo explained to The new day that the precipitation will begin in the morning with temporary downpours, but the most persistent activity will be in the afternoon when the humidity of the trough is combined with the local effects.

We have thunderstorms forecast for this afternoon across the northern half of the island from east to west. Basically all that area, which also includes the metro zone, could experience rain. But the strongest activity could be concentrated in the northwest quadrant of the island ”, the expert indicated by telephone.

The meteorological agency established in its weather perspective that precisely the northern half of the island will have a moderate risk of urban flooding and small streams today. Also, the central area of ​​the island to the west has a moderate risk of thunderstorms.

Álamo said that the entire area under risk of urban floods could receive one to two inches of precipitation, except isolated areas in the west where it is not ruled out that more than two inches of rain is exceeded.

Map showing moderate risk in orange and low risk of urban flooding and small streams in yellow. (NWSSJU)

“There is the possibility of urban floods and streams, as well as puddles on the roads. It does not necessarily imply flash floods, although they are not ruled out. In the most affected areas we could have between one to two inches, and in isolated areas more than two inches of rain ”, highlighted the meteorologist.

Due to the cloudiness that the trough will keep in the area, temperatures are expected to remain within the normal range for a day like today, between the medium to high 80 degrees Fahrenheit.

Meanwhile, maritime conditions are relatively deteriorated, according to Alamo, in the waters of the Atlantic Ocean.

“We have warning for small boat operators in the Atlantic for swells of up to seven feet. That warning will be in effect until 8:00 pm today. In the rest of the waters we will have waves of up to six feet, winds of up to 20 knots and operators of small boats are urged to exercise caution “, he pointed out.

In addition, the beaches on the northwest coast of the island remain under a high risk of sea currents, while the rest of the beaches, for the most part, have a moderate risk of sea currents.





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