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Tuesday, July 22, 2008

Dolly Nearly a Hurricane; Bye-Bye Cristobal, 97L forms!

Lots to talk about in the tropics today. And think - it's only July. Just imagine what September will be like.


DOLLY: Tropical Storm Dolly's centers became vertically stacked last night, and therefore the storm is intensifying. The 11 am NHC advisory had Dolly at 70 mph, and moving northwest at 12 mph. That's a lot slower than yesterday, so Dolly is slowing down a little. That gives it more time to intensify. Dry air and the upper-level low are no longer problems with Dolly, as they are nowhere to be seen on water vapor imagery. Shear is low and water temperatures are high. Everything looks good for intensification. I have lowered my intensity forecast a little, and pushed the track a bit farther south based on the steering, satellite analysis, and model forecasts.



















CRISTOBAL:
Tropical Storm Cristobal is racing off to the northeast, and has winds of 65 mph. It is expected to weaken as it passes near Canada.

97L: We have a new invest! A new African wave has just come off the African coast at 18N. It has to endure the cool waters that Bertha passed through while moving west-northwest over the next few days. I predict that we have T.D. 5 by Thursday night.

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