Area Forecast Discussion
Issued by NWS Nashville, TN
Issued by NWS Nashville, TN
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763 FXUS64 KOHX 011807 AFDOHX Area Forecast Discussion National Weather Service Nashville TN 1207 PM CST Mon Dec 1 2025 ...New SHORT TERM, LONG TERM... .KEY MESSAGES... Updated at 1200 PM CST Mon Dec 1 2025 - Low to medium chances for a light accumulation of freezing rain, sleet, and snow for northwest portions of Middle Tennessee tonight into tomorrow morning. A Winter Weather Advisory is in effect. - Dry weather expected Tuesday night through Thursday with decreasing chances for rain Friday and Saturday. - Temperatures remain below seasonal norms for the next several days. && .SHORT TERM... (Rest of today through Tuesday) Issued at 1200 PM CST Mon Dec 1 2025 There`s a nice plume of west-southwesterly flow aloft overspreading the eastern CONUS ahead of a shortwave trough moving east across the Plains currently. High pressure to our northeast continues to foster a dry, cold day across Middle Tennessee with light NE winds. Upper/mid-level clouds will continue to thicken through the afternoon with isentropic ascent increasing from the southwest as the disturbance approaches. By late afternoon/evening, chances for light rain increase once the lower atmosphere saturates. In fact, rain is already now approaching far southwest Tennessee (near Memphis). Rain will become widespread tonight with a quick increase in the low-level jet and northward expansion of the inverted surface trough. Surface temperatures will remain above freezing through much of the evening. However, cooler air will begin to advect into the northwest after 9 PM, and certainly after Midnight. This will support a wintry mix of precipitation for areas generally west of I-65 and north of I-40. HREF probabilities for a light accumulation of ice/sleet/wet snow have increased to 20-50% for these areas. With possible impacts to travel for the Tuesday morning commute, a Winter Weather Advisory has been issued which runs 9 PM tonight through 8 AM Tuesday. Once the back side of the surface low/trough moves east, dry air will move in from the west ending precipitation, though lingering light snow/flurries are possible during the afternoon, especially across the Plateau. Most of Middle TN will likely see a brief period of wintry precip but our focus for meaningful accumulations/impacts are focused on the advisory area. && .LONG TERM... (Tuesday Night through next Monday) Issued at 1200 PM CST Mon Dec 1 2025 Mid-week looks to be cold and dry across the region due to influence of high pressure at the surface, though low aloft appears to maintain a zonal split flow configuration. A subsequent disturbance aloft looks to enter the area late week, but guidance has trended colder, drier for this period. PoPs have decreased from previous forecasts but still remain low. We do not expect wintry precipitation at this time. Temperatures continue to favor below-normal through the period. && .AVIATION... (18Z TAFS) Issued at 1111 AM CST Mon Dec 1 2025 VFR conditions expected through 02-03Z for all terminals, but there will be a big fall-off to MVFR and quickly to IFR as our next weather maker enters the area this evening. -RA will be the main precip until 08-09Z when a short change over to -SN/IP will occur at CKV/BNA/MQY on the backside of the precip. Less certain on the changeover for CSV/SRB, covered with PROB30 after 12Z/Tue. Winds will be light (10 kts or less) but shift around to the northwest after 06Z/Tue. && .PRELIMINARY POINT TEMPS/POPS... Nashville 47 32 38 24 / 30 100 10 0 Clarksville 43 29 36 21 / 30 90 10 0 Crossville 46 32 36 20 / 10 90 40 0 Columbia 47 32 39 21 / 50 100 10 0 Cookeville 49 32 36 22 / 10 100 40 0 Jamestown 46 30 35 22 / 10 100 40 0 Lawrenceburg 48 32 38 21 / 50 100 10 0 Murfreesboro 49 32 38 21 / 30 100 10 0 Waverly 44 29 36 21 / 40 90 10 0 && .OHX WATCHES/WARNINGS/ADVISORIES... Winter Weather Advisory from 9 PM this evening to 8 AM CST Tuesday for TNZ005>007-023>026. && $$ SHORT TERM...Sizemore LONG TERM....Sizemore AVIATION.....Unger