Friday, September 01, 2006

John Makes Landfall / Ernesto Post-Mortem

John has made landfall in Baja California and seems to be continuing northward across its southern tip, and then at least briefly back over water in the Gulf of California. Most models have John sticking very near the coast as he moves northward, and this will determine how long he can keep his intensity up. The circulation of the storm will be very easily disrupted by the hilly Baja terrain if he strays too far west. He's still got a long way to go, but depending on the exact track, he could still be a named tropical cyclone on reaching the U.S.

Ernesto rapidly weakened to a tropical depression over North Carolina, and has now stalled out in Virginia. He is receiving a shot of baroclinic energy while interacting with a front. This has actually pushed his maximum wind speeds back up to 40 mph, but because he's no longer being driven by a warm tropical core, he's an extratropical storm (or mid-latitude cyclone) at this point. He's still dumping tons of rain over Virginia and Maryland especially.

Tropical Storm Kristy is rapidly becoming nothing to speak of. She's stalled out and is quickly falling apart due to shear from John's outflow.

Plain Old Typhoon Ioke is still pretty impressive as storms go, with 130 mph sustained winds, but quite a bit down from her peak. Dr. Jeff Masters points to this site with lots of data on Ioke's glory days as a super typhoon. Ioke has finally fallen back to Category 3 after spending 7.75 days as a Category 4 or 5 storm. No word yet on if that is a record. Ioke's current track is apparently calling for a landfall somewhere on Honshu in about 6 or 7 days.

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