Thursday, June 17, 2010

Tropical Storm Blas in East Pacific




Tropical Storm Blas formed today in the Eastern Pacific, to the west of Tropical Depression Two-E. It is forecast to move toward the west and to remain a Tropical Storm. Art Douglas has pointed out:

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The cross equatorial flow index (see top image) for the past 90 days (SLP Easter Island minus Puerto Libertad northwest Costa Rica) shows the nice pressure gradient spike that helped form Agatha with strong cross equatorial flow pushing the ITCZ north and enhancing surface cyclonic curvature on the ITCZ. We are in another peak right now as seen in the Index and the ITCZ again has been pushed far north per the satellite imagery..........and low and behold, the NHC has just issued an advisory on the system near the Oaxaca coast. Looks like another peak in SLP in the South Pacific about the 19th-20th and again the 26th. I also see that the ECMWF brings the first summer precip to Arizona on the 23rd of June.

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