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View of Jova (10E) at Hurricane Strength – October 13th, 2011

18.4N 108.1W

October 13th, 2011 Category: Image of the day, Tropical Cyclones

Hurricane Jova (10E) - October 10th, 2011

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This image shows Jova (10E) three days ago, while the system was still at hurricane strength. (Click here for a more recent image of the storm, which has since become a post-tropical cyclone).

During the late hours of October 4, an area of showers and thunderstorms associated with a broad low pressure area developed several hundred miles to the south-southwest of Acapulco, Mexico. Moving slowly towards the west, the area of disturbed weather quickly organized. Late on October 5, the National Hurricane Center (NHC) noted that the area had a high chance of developing into a tropical cyclone over the next 48 hours. Just several hours later, the NHC began issuing advisories on Tropical Depression Ten-E, several hundred miles to the south of Manzanillo, Mexico.

A more gradual type of development took place after then, and the depression was upgraded into Tropical Storm Jova on the afternoon of October 6. Taking advantage of the favorable environment within which Jova was embedded, the storm became a hurricane on October 8, and by October 10, the storm was upgraded to a Category 3 hurricane on the Saffir-Simpson hurricane scale. However, shortly thereafter, the storm began an Eyewall replacement cycle and weakened to a lower-end Category 2 hurricane.

Post-tropical Cyclone Jova Causing Heavy Rainfall in Mexico

20.9N 104.6W

October 13th, 2011 Category: Tropical Storms

Post-tropical Cyclone Jova (10E) - October 12th, 2011

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Track of Post-tropical Cyclone Jova (10E) - October 12th, 2011 © Univ. of Wisconsin

Track of 10E

At 8:00 PM PDT (0300 UTC) the center of Post-tropical Cyclone Jova was located near latitude 21.7 north, longitude 104.2 west.

The post-tropical cyclone is moving toward the northeast near 5 mph (7 km/h) and a slow northeastward motion is expected until dissipation.

Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts. Continued weakening is forecast, and the system should dissipate in a day or less. The estimated minimum central pressure is 1008 mb (29.77 inches).

Hazards affecting land consist mainly in rainfall; the remnant of Jova is expected to produce total rainfall accumulations of 2 to 4 inches over the states of Michoacan, Colima, Jalisco and Nayarit through Thursday.