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Tropical Storm Maria (23W) Weakening

30.1N 133.8E

October 19th, 2012 Category: Tropical Storms

Tropical Storm Maria (23W) – October 18th, 2012

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Track of Tropical Storm Maria (23W) - October 18th, 2012 © Univ. of Wisconsin

Track of TS 23W

Tropical Storm Maria (23W), located approximately 820 nm north-northwest of Wake Island, has tracked eastward at 10 knots over the past six hours.

Animated infrared satellite imagery depicts an elongated, defined low-level circulation center (LLCC) with no associated deep convection. Recent visible imagery showed that the LLCC was predominantly characterized by stratocumulus. Recent microwave imagery indicated dry air enveloping the entire system as well poorly-defined low-level banding.

The initial intensity is based on objective intensity estimates of 26 knots and recent SSMIS wind estimates of 20 to 25 knots. Based on the slowly weakening LLCC and marginal upper-level environment as well as cool sst (24-25c), td 23w is forecast to dissipate within the next 12 hours while tracking eastward. Maximum significant wave height is 12 feet.

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