Typically, when the eastern Pacific is active, the Caribbean & Atlantic is not. But the area down over the extreme southern Caribbean does appear to have a surface spin to it.
Since T-Storms are limited around it, this disturbance (93L) will only slowly develop. Hurricane models bring it across the Yucatan and keep it over the extreme southern Gulf. It cannot come our way as a large blocking upper high will force it to go west into Mexico.
The current heat wave has extended up into Minnesota and Wisconsin. Midway airport in Chicago reach 100 for the first time in 10 years. The upper high will be forced back to the west as the deep upper low over Montana moves to the East coast
Note the cluster of storms over Georgia. That system will head our way increasing rain chance for Thursday and Friday. The 70+ dew points have reach into Wisconsin and Michigan making them feel what we feel for 4+ months.
Satellite views show few showers with the main rain pushing into Alabama and north Florida this afternoon. Look to those storms to head our way late tomorrow, but especially on Thursday.
Spotty showers are our only relief from the sizzling summer heat from now until late September. Finally,

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