Tropical threat likely to dampen Memorial Day weekend

Florida  Mississippi  Alabama Brace For Subtropical Storm Alberto With States Of Emergency	 	 	 			NOAA

Florida Mississippi Alabama Brace For Subtropical Storm Alberto With States Of Emergency NOAA

Alberto was moving east at 5 miles per hour with 40 miles per hour sustained winds. Subtropical storms show some, but not all, of the characteristics of a tropical storm.

A subtropical storm has a less defined and cooler center than a tropical storm, and its strongest winds are found farther from its center. Alberto comes ahead of schedule: the six-month hurricane season doesnt begin until June 1.

Alberto is expected to pass near the eastern coast of the Yucatan peninsula tonight, be near the western tip of Cuba Saturday morning, emerge over the southeastern Gulf of Mexico by Saturday night, and approach the north-central Gulf Coast on Monday.

Highs Sunday are expected to range from the low to mid 70s across the north to the low to mid 80s here in the Lehigh Valley and across southeastern Pa., southern New Jersey and the Delmarva peninsula. All areas east of the Mississippi River across the Southeast have a chance to see flooding due to Alberto from this weekend into at least mid-week next week. "Gradual strengthening is forecast during the next 48 hours, with little change in strength forecast on Monday", according to the advisory from the Hurricane Center.

"A prolonged period of heavy rainfall potential is expected across the area as Alberto moves northward through the Gulf of Mexico and pulls deep tropical moisture over east Central Florida", Weather Service forecasters said. That's a typical trait of subtropical storms, which have maximum winds far from the center, rather than clustered tightly around the center like a tropical storm.

Prior to 2002 subtropical storms were not given names, but the Tropical Prediction Center issued forecasts and warnings on them similar to those for tropical cyclones. Rainfall could reach up to 6 inches in parts of Florida up to the Carolinas.

Sub-tropical storm Alberto formed just south of the Gulf this morning and is expected to move into the Gulf overnight with its sights set on the Northern Gulf Coast this holiday weekend.

Away from beaches, tomorrow's weather may be a bit wetter but not unusually different. The winds will create rip current dangers and hazardous boating conditions.

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