Merry Christmas! Well, it’s not snow, but it is a couple of rain chances that we’ll deal with over the next 60 hours or so. The responsibility for the rain chances falls squarely on an upper level low pressure system currently centered over far western TX (see the image below). The first round of rainfall will move mainly over the Gulf Coast states with the northern edge of it roughly paralleling the TN-MS state line overnight tonight. A few lingering showers are possible Christmas morning, mainly over north MS, but rainfall amounts over west TN should remain very light tonight if it rains at all.
Upper level low (UL) position this evening with precip well ahead of it moving across the Gulf Coast states |
Once this first slug of moisture moves by, we’ll be waiting for the next round, which arrives Monday into Tuesday. The greater Memphis area will see much better rain chances with this one as the low itself finally ejects out of west TX and moves towards Dallas by Monday evening (see next image below). In fact, some areas could see heavy rain on already wet ground on Monday evening/overnight.
Upper level low (UL) position as of Monday evening (note very little movement between now and then) with the next round of precipitation moving out ahead of it |
Upper level low (UL) position as of noon Tuesday with lingering showers over the Mid-South under the low |
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