Thursday, July 8, 2010

A Tropical Depression and a Cold Front

The tropical depression had a lowest pressure early this morning of 1006mb with estimated winds of 35 mph, although those are isolated speeds. Satellite estimated winds are on the order of 30 mph and there does not appear to be a closed circulation at this point. The forecast calls for the area of lowest pressure to make it onshore around 1pm CDT.

The strongest wind is north of the low and the onshore flow will increase tides. Heavy rains of 4 to 8 inches are likely across south Texas.

It is highly questionable whether this tropical system is worthy of an upgrade to a tropical storm. Data as of 6:55 CDT does not support an upgrade.

The leading edge of cooler, drier air is working across the Great Lakes today. The band of clouds associated with it show up in the morning satellite image.
The front will make it to the East Coast tomorrow. The northwest third of the country has some very quiet weather today.

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