ECMWF model 500mb flow for Sat 6pm / from 00z Tuesday run
After a rather tranquil mid-week weather spell, prepare for a rather dramatic weather change this weekend.
A quick shot of Canadian air will be moving into north Texas behind a strong cold front.
This front will be pressed rapidly southward later this week as a highly amplified trough (circled) passes through.
The air mass behind this front will be quite cold; depending on cloud and wind conditions, scattered frost is possible in its wake. The present scenario suggests the morning of March 22 (Monday) is the maximum threat window for this.
The deepness of the upper trough will force the front well south into the Gulf of Mexico.
The dry air mass over the western Gulf takes several days to moisten back up in such a situation. This means dry weather should dominate from Sunday into the middle of next week.
What do you think?
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