Cold front stalls on Kissimmee

Big Rain Days come and go …

Whereas a stalled front can deliver rain for an entire week.

How high will Lake Kissimmee rise from the rain? – As of Monday it had jumped a good half foot.
Notice how historic range of lake fluctuation is much greater than today.

That’s what happened last week on the Kissimmee, especially its Upper Basin.

Tampa forecasters were calling it a “cold front,” and eventually down in Naples we did get some “dry air” out of it, but that wasn’t until the weekend. Up until that point there was nothing cold nor dry about the air south of the stalled front in the swamp, but neither was it rainy with one minor exception. The weather was humid to the point that tree lines in the distance were smudged out in haze, with strange tropical wind funneling up from the southwest, too, which – as the local wind reverses in the early morning and blows from the land back to the seas (i.e., land breeze) – collided together to create a squall line of isolated showers along the coast from Cape Sable to Chokoloskee Bay. (Those early morning rains are reminiscent of what Florida’s southeast coast experiences during the summer when the early-morning land breeze crashes head on with the westward flowing Trade Winds over the Gulf Stream warmed rising maritime air: Or in other words, the famed morning showers of Miami.)

Downstream of this bridge, the Kissimmee flows through the S-65E then on into Lake O

But that was the exception:

The big rains fell along frontal boundary north of Lake Okeechobee and in Tampa where, when Friday came and the front finally pushed all the way south, they were relieved to see a patch of blue sky. Just in time for the weekend no less!

In total, the Upper Kissimmee charted over 4 inches. That adds up to their biggest week of rain in almost two years going back to another dry season Big Rain Week, the extratropical dousing of May 2009.

That was the one that flooded out Daytona Speedway!

Top chart: Last week charted most rain on Upper Kissimmee in almost two years!
Middle chart: Notice how dry the wet seasons months were in comparison.
Bottom chart: The past few rain years have been down.

Even so, the Upper Kissimmee is a good 10 inches of rain down for the year – having only totaled 40 inch total since the start of May 2010. The long-term average is around 50 inches and some recent years have been in the 60s.

One Big Rain Week does not make a year.

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