Preliminary reanalysis products

These results were provided by Gil Compo, Jeffrey Whitaker, and Prashant Sardeshmukh of University of Colorado/CIRES/CDC and NOAA/ESRL/PSD. (More information.)

Exploratory historical surface observations input-only reanalysis of the 1938 Atlantic ‘Long Island Express’ Hurricane: using additional HURDAT data and NCEP Global Forecast System T254 (1/2 degree spatial resolution) model.

 (White to Red = convergence of realisations     Blue = divergence of realisations)

Northern and Southern Hemisphere plus tropical domain examples

(Note: The results shown below use none of the new data detailed on the ACRE WWW site)

Northern Hemisphere

MSLP and 500hPa geopotential height


MSLP and 850hPa zonal wind

Southern Hemisphere

MSLP and 500hPa geopotential height

ACRE is managed by Rob Allan