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Subtropical Storm Alberto
Subtropical Storm (SSHWS/NWS)
Alberto 2018-05-27 1625Z
Subtropical Storm Alberto at peak intensity shortly before landfall.
Formed May 25, 2018
Dissipated May 31, 2018
Highest winds 1-minute sustained: 65 mph (100 km/h)
Lowest pressure 990 mbar (hPa); 29.23 inHg
Fatalities 7 direct, 2 indirect
Damage Unknown
Areas affected Most of the Yucatan, Gulf of Mexico, Much of the Eastern US, Southeastern Canada, Great Lakes Reigon
Part of the 2018 Atlantic hurricane season
Subtropical Storm Alberto was the first named storm of the 2018 Atlantic Hurricane Season. Alberto marked the 4th consecutive year a named storm has formed before the official start date of the season; June 1st. Alberto spawned as an invest in the Yucatan Peninsula shortly before developing enough to be named Alberto. Alberto made landfalls in Mexico and Alabama. Alberto traveled through the Eastern United States before dissipating on May 31.

Meteorological History

220px-Alberto 2018 track

On May 21st, a low pressure system began to be monitored in the Western Caribbean. The system drifted into the Yucatan, slowly developing despite fairly unfavorable conditions. The storm would later develop sufficiently to be named Subtropical Storm Alberto on May 25th. The storm despite it's naming, the storm was still unorganized. The next day, Alberto developed a better circulation around a better defined center.

Alberto would continue a fairly Northward path in the days following. During this time, a large group of it's outer rainbands massed around it's Eastern quadrants, bring heavy rainfall to Florida and Cuba during this time. On May 28th, Alberto reached it's peak intensity of 65 mph. Dry air weakened it abruptly back down to 45 mph before making landfall on the Northwestern sliver of Florida.

Alberto would continue Northward, slowly weakening for the following days. On May 30th, Alberto finally made a Tropical transition over Tennessee. That same day, Alberto became Post-Tropical over Michigan. The next day, Alberto would dissipate over Lake Huron.