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Hurricane Daniel (04E) Weakens to Tropical Depression

15.2N 144.3W

July 11th, 2012 Category: Tropical Storms

Tropical Depression Daniel – July 11th, 2012

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Track of 04E - July 7th, 2012 © Univ. of Wisconsin

Track of TS 04E

Overnight July 7 to July 8, Hurricane Daniel (04E) rapidly intensified further into a Category 2 hurricane with sustained winds of 105 mph (165 km/h).

Later that day, Daniel reached a peak intensity of 115 mph and a central pressure of 961 millibars, a Category 3 hurricane, although the eye was already over cooler waters. However, Daniel maintained Category 3 status briefly, and six hours later, the eye became less well-defined and the storm weakened back to a Category 2 hurricane. By July 9, Daniel had weakened further to a Category 1. Early on July 10, Daniel continued to weakened into a tropical storm, as the system became smaller in size, over cooler waters.

On July 11, Daniel’s low level circulation center started to became exposed under moderate vertical wind shear. It further weakened into a tropical depression later that day and then degenerated into a remnant low east-southeast of Hawaii. The storm in this last phase can be observed here in these images.

Hurricane Daniel (04E) Southwest of Southern Tip of Baja California

18.2N 114.1W

July 7th, 2012 Category: Tropical Storms

Hurricane Daniel – July 7th, 2012

Enhanced image

Track of 04E - July 7th, 2012 © Univ. of Wisconsin

Track of TS 04E

Early on July 2, the National Hurricane Center began monitoring an area of disturbed weather, and its associated broad area of low pressure, about 475 mi (764 km) south-southeast of Acapulco, Mexico.

Over the next 24 hours, the disturbance continued to become increasingly better organized, and a Tropical Cyclone Formation Alert was issued on the system early on July 3. By early on July 4, the system had gained enough organization to be declared as Tropical Depression Four-E. On July 5th, Four-E became Tropical Storm Daniel.

The cyclone is currently slowly intensifying, and after having been situated over a favorable environment for two days, intensified into a hurricane. Late on July 7, Daniel rapidly intensified into a Category 2 hurricane with sustained winds of 105 mph and a central pressure of 969 mbar.

As of 8 p.m. PDT (0300 UTC July 8) July 7, Hurricane Daniel is located within 20 nautical miles of 14.9°N 121.2°W, about 920 mi (1485 km) southwest of the southern tip of Baja California. Maximum sustained winds are 90 knots (105 mph, 165 km/h), with stronger gusts. Minimum central pressure is 969 mbar (hPa; 28.61 InHg), and the system is moving west at 12 kt (14 mph, 22 km/h). Hurricane force winds extend up to 30 miles (45 km) from the center of Daniel, and tropical storm force winds up to 115 miles (185 km) from the center.