3-D Flyby of Aletta by GPM

Saul Bowman
June 11, 2018

It was upgraded to a Category 3 storm on Friday.

The center of the storm was located about 555 miles south-southwest of the southern tip of Baja, California. On Saturday, the storm began to weaken and was downgraded to a Category 1 storm, according to the National Hurricane Center. Infrared satellite images show the storm has a distinct, 20-mile wide eye, with deep convection.

Churning over warm waters that can provide fuel and with relatively little wind shear to disrupt its towering thunderstorms, "there are no obvious reasons why Aletta should cease intensification", the National Hurricane Center said. The hurricane is moving towards the west at a speed of 7 kilometers (5 miles) per hour, which will keep it well away from any land.

Forecasters are also keeping an eye on another area of low pressure to the east of Aletta. This disturbance is now a cluster of storms, but is becoming better organized.

Newly formed Tropical Depression Three-E will likely become a tropical storm this weekend south of the Mexican Riviera.

It's too soon to determine whether this second system will eventually pose a direct threat to parts of Baja California next week. An average Eastern Pacific hurricane season sees the first hurricane form by June 26.

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