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Tropical Storm Lorenzo was the twelfth named storm of the 2001 Atlantic hurricane season. Lorenzo formed on October 27 in the open Atlantic Ocean well to the southwest of the Azores. Lorenzo moved west, then north, then northeast, dissipating on October 31. Lorenzo reached 40 mph winds at its peak.

Lorenzo caused no damage and no deaths.

Satellite image of Tropical Storm Lorenzo
tropicalstormlorenzomi4.png
FormationOctober 27, 2001
Dissipation October 31, 2001
Highest winds 40 mph
Lowest pressure 1007 mbar
Deaths None reported
Damages None
Areas affected None

Meteorological History

lorenzotrackfe5.png

Lorenzo originated from a tropical upper tropospheric trough (TUTT) that had persisted over the eastern Atlantic Ocean in late October. On October 26, a low-level circulation developed beneath the trough. The next day, convection was organized enough for the National Hurricane Center to consider the system a tropical depression, while located about 750 miles south-southwest of the westernmost portion of the Azores. After forming, the depression moved westward, due to a strong high pressure ridge to its north. The depression gradually turned to the north on October 30, as a strong trough in the westerlies as well as a frontal zone approached from the west. The low-level circulation center of the depression was mostly exposed until this turn to the north occured, at which point some deep convection developed near the circulation center. Early on October 30, it is estimated that the depression strengthened into Tropical Storm Lorenzo. On October 31, Lorenzo merged with the approaching frontal zone, while located about 600 miles west of the westernmost portion of the Azores.

Lack of Retirement

Because it affected no land areas, the name Lorenzo was not retired by the World Meteorological Organization in the Spring of 2002. It was used again during the 2007 Atlantic hurricane season.

See Also

2001 Atlantic hurricane season

References

http://en.wikipedia.org/wiki/2001_Atlantic_hurricane_season

http://www.nhc.noaa.gov/2001lorenzo.html

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