Has Texoma seen its last 100-degree day of 2012?

Texoma is no stranger to 100-degree weather through all of September, but a shift in the weather pattern suggests we may have seen the last triple digit day of 2012.

Here’s why:

>>>The jet stream has begun its annual southward move seen every September, and this pattern often brings frontal boundaries through every 5 to 7 days.

>>> The air masses in the wake of each front do not have time to warm up to 100.

>>>The upper ridge which helped to bring the very hot conditions has shifted westward, further reducing heating potential.

>>>Low-level winds which ran southwest during the heat waves are now more southerly, providing inflow of a moderate type air mass.

>>>The shorter days and lower sun angle will make it a little tougher with each passing week for the heating needed to get to 100.

>>>The latest 100+ day on record here is October 4, 1951, so history is on our side.


It’s safe to say we’ve had an especially rough weather ride since 2007: major tornadoes, dust storms, drought, floods and big winter snows.

However, given the trends, nature’s pitch seems to be right over the plate this fall, and I’m 90% confident we’ve seen our last 100-degree day of 2012 in Texoma.

Take Care,

Steve LaNore

Chief Meteorologist










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