Florida Citrus Freezes and Polar Anticyclones in the Great Plains

摘要: Abstract Severe Florida citrus freezes since 1880 are identified and described in terms of the horticultural damage, overall frequency occurrence, association with polar anticyclone outbreaks plains southern Canada United States. The most severe “advective” associated strong cold anticyclones having tracks southward across to Texas subsequent northeastward movement. Other move a track somewhat east this ultimately pass over or eastern Gulf Mexico. Over 80% worst central pressures excess 1045 mb moving along these paths. However, similar intensity more zonally oriented paths higher latitudes minor damage. major tend be clustered time 1890s 1977. On interdecadal scales, recent not linked winter mean pressure northe...