12 September 2007

TD8 and TD9 form...

The African easterly wave I've been mentioning since Friday has finally been upgraded to a Depression.  TD8 is now about 1100 miles east of the Lesser Antilles and tracking WNW at 10kts.  The estimated intensity is 30kts and 1007mb.  It is no immediate threat to any land... over the next 5 days it is forecast to slowly intensify and head WNW-NW, probably missing the Caribbean Sea, unlike Dean and Felix.

Also, an area of disturbed weather that has been meandering westward across the Gulf of Mexico for a few days was also upgraded to a Depression today.  TD9 is now heading north and is just off the Texas coast, heading for Houston. It is very close to Tropical Storm intensity, and should be named before landfall later tonight. This could be a huge flooding problem for a very flood-prone metro area.

You can view a radar loop of TD9s approach into Houston at  http://einstein.atmos.colostate.edu/~mcnoldy/tropics/humberto07/Humberto_12Sep07.gif
and data from a moored buoy near the mouth of Galveston Bay at

Please visit my tropical Atlantic headquarters.

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