Thursday, August 30, 2012

Isaac On the Move

The title that I've chosen for this post sounds like an oxymoron, doesn't it? Nevertheless, Isaac is still moving albeit slowly. In time, the remnants will make greater forward progress as the closed low opens up and gets caught up in the westerlies.

Until then, plenty of time to fine tune potential rain amounts for our region. I still believe the HPC is being quite aggressive as far as predicted rainfall totals.

This Thursday morning, I've noticed the axis of forecast heavier rain amounts shifting east. In fact, Louisville is included in a swath of 5-6" potential totals while parts of southern Indiana are in a zone of 6-8".

Remember, though, the QPF map shows the potential for these shaded areas to receive the forecast amounts. Not everyone will realize such totals. In fact, I think for most of Kentucky, the rainfall will be more scattered, not an all-day, all-weekend thing. However, the potential for 'training' bands will enhance rainfall totals in a hurry.

These amounts could prove beneficial as far as drought relief goes but a bummer concerning the holiday weekend plans and some potential flooding issues.

Keep abreast of the latest forecasts below:

Isaac QPF 

MS  


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