Tropical Storm Dolly Forms in the Gulf of Mexico

By: Dr. Jeff Masters, 14:24 GMT le 02 septembre 2014

Say hello to the Atlantic's fourth named storm of 2014--Tropical Storm Dolly, which formed Tuesday morning in the Gulf of Mexico's Bay of Campeche. Radar loops out of Altamira, Mexico show Dolly's heavy thunderstorms were already beginning to move ashore over the coast of Mexico a few hundred miles south of the Texas border Tuesday morning, though the heaviest activity was still well offshore. Satellite loops on Tuesday morning showed the classic appearance of a tro...

Hurricane

Updated: 15:12 GMT le 02 septembre 2014

Invest 99L Organizing Over Gulf of Mexico

By: Dr. Jeff Masters, 14:22 GMT le 01 septembre 2014

The center of a broad area of low pressure associated with tropical wave 99L is now over the warm waters of the Gulf of Mexico's Bay of Campeche, and the disturbance is growing more organized as it heads west-northwest at about 10 mph. Heavy rains are falling over Mexico's Yucatan Peninsula and southeastern Bay of Campeche coast, and radar loops out of Sabancuy, Mexico show a pronounced rotation to the echoes. Satellite loops on Monday morning showed the storm's hea...

Hurricane

Heavy Rains From 99L Drench Belize and Mexico

By: Dr. Jeff Masters, 16:41 GMT le 31 août 2014

Tropical wave 99L is spreading heavy rains over Belize and Mexico's Yucatan Peninsula as the storm heads west-northwest at about 10 mph. Belize radar shows little rotation to 99L's echoes, and satellite loops on Sunday morning showed the heavy thunderstorm activity was poorly organized, with few low-level spiral bands. Sea Surface Temperatures (SSTs) were very warm, near 29.5°C (85°F), and wind shear was moderate, 10 - 20 knots. These conditions are favorable for ...

Hurricane

Invest 99L in Western Caribbean a Threat to Develop on Monday

By: Dr. Jeff Masters, 14:32 GMT le 30 août 2014

A tropical wave in the Western Caribbean was designated Invest 99L by the National Hurricane Center on Friday night, and is headed west-northwest at about 15 mph. Satellite loops on Saturday morning showed that 99L had a modest amount of spin and heavy thunderstorms, but these thunderstorms were poorly organized. Sea Surface Temperatures (SSTs) were very warm, near 29°C (84°F), and wind shear was moderate, 10 - 20 knots. Although these conditions are favorable for...

Hurricane

The Tropics Go Quiet World-Wide

By: Dr. Jeff Masters, 15:28 GMT le 29 août 2014

Hurricane Cristobal ceased to be at 11 am EDT on Friday, as the storm completed its transition to a powerful extratropical storm. Though Cristobal is no longer a hurricane, it still has hurricane-force winds, and will be a threat to marine interests off the Newfoundland coast today, and to Iceland on Sunday night. With Cristobal's transition to an extratropical storm and the demise of the Eastern Pacific's Tropical Storm Marie earlier today, there are now no named t...

Hurricane

Updated: 15:33 GMT le 29 août 2014

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About

Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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