After battling the “dry” tropical air along its route from Haiti, Cuba, Florida, to Louisiana, Isaac has finally become a hurricane with the required 64+ knots 1-minute sustained near-surface winds. Numerical models finally expressed some certainty on a Louisiana coastal landfall, but diverged significantly on intensity. There is also some question about the ability of Isaac to penetrate far inland away from the frictionally convergent swamps. A major flood event is underway.
This tracking map is in high definition (updates every 3-4 hours, click to enlarge)
Now WeatherBell’s track map via Ryan Maue: (click to enlarge)
Track map in HiDef – click to enlarge:
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