"But seeing they could not See; hearing they could not Hear"
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"From its chamber comes the whirlwind, and cold from the scattering winds." - Job 37:9.

"The wind blows to the south and turns to the north; round and round it goes, ever returning on its course".

Wednesday, June 1, 2011

Mesoscale Convective Vortex (MCV) - Dubbed Tropical Invest To Impact North Central Today

9:30AM Radar image from WeatherTap shows a mesocscale convective vortex (MCV) approaching North Florida from the ENE. This system generated several days ago over the North Central Plains States and move east and south with time, making full circle area a high pressure system that has been responsible for the persistent on shore flow regime.

TODAY: A vortex, dubbed an Invest from the tropical school of thought, is approaching the North half of the state today. This system crossed, believe it or not, the Chicago area several days ago. Not particularly sure why this was dubbed an Invest (an area of investigation in tropical interests)...

The area highlighted in white can be on the lookout out for lightning storms and rain with potentially strong to marginally severe wind gusts in the strongest of storms.  This area will arrive before peak heating on the east side of the state, so instability will not be of much concern had this arrived in the late afternoon hours instead. There is quite a bit of lightning with this system, that seems now will impact mainly those living along and north of SR 520.

Lightning image, courtesy of This area is moving toward
the WSW-W..with the center located roughly directly east of Daytona Beach at the time of this post.

The center of the 'vortex' appears could come very close to making 'landfall' near Cape Canaveral before noon and be clear of the immediate east coast within an hour or two after noon time. 

Upper level winds should spread anvil thunderstorm tops across to the west side of the state, so that it seems unlikely that any further surface heating during the course of the day will be subdued, preventing further thunderstorm strengthening, if not weakening shortly after impacting the east coast. It appears those most likely to be affected will be the St. Augustine area south toward Cocoa Beach, with rainfall as far south as Sebastian Inlet along the east coast between 10:30am and 1pm while spreading westward with time.

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