09/09 – Rob Knight’s “Hot and Humid” Wednesday Morning Forecast

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Over the next few days rain may be a little difficult to come by, especially Thursday which should have high-pressure sitting right overhead. There will be a chance of rain mainly along and south of the I-10 corridor, and maybe more likely confined along and southwest of the MS River.

It is this location that appears to have the best moisture convergence. Satellite readings have been showing moisture increasing in that area and this is advertised in the models to continue. As we heat up this morning, look for spotty convection to expand mainly across the sound and a very low end chance for an afternoon shower/t-storm.

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Thursday will likely be the warmest day as the ridge will dominate the area with moisture on the rebound across the eastern half of the area as the drier air continues to work west. This could allow for an isolated storm across coastal MS and adjacent LA parishes during the afternoon hrs. Friday is a difficult forecast.

The ridging aloft will begin to flatten out and we should be on or near the southern periphery. This will eventually have us being impacted by easterly waves over the coming days. The question is do we see that impact as early as Friday. If so rain chances will increase significantly however there are some concerns that we may not see the impacts till this weekend.

At this time it looks like the best chance of seeing rain would be areas east of I-55 as that area would see the moisture increase the fastest.

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