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Area Forecast Discussion
Issued by NWS Nashville, TN
Issued by NWS Nashville, TN
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014 FXUS64 KOHX 190157 AFDOHX Area Forecast Discussion National Weather Service Nashville TN 857 PM CDT Thu Jul 18 2024 ...New UPDATE... .UPDATE... Issued at 849 PM CDT Thu Jul 18 2024 Temperatures continue to fall with low 70s noted across the northern counties with upper 70s across the south. Obs show dewpoints already in the low 60s with some locations in southern KY in the upper 50s. So expect a cool night tonight with lows around 60 across the north to 65 across south. Might even see some upper 50s for sheltered areas in the northern counties. A steady northeasterly wind will keep fog development to a minimum. && .SHORT TERM... (Rest of today through Friday) Issued at 1101 AM CDT Thu Jul 18 2024 The surface boundary has been making slow southeasterly progress this morning with some light showers ahead of it. Behind the front, winds have turned northerly with stratocu keeping the temperatures in the 70s. Over the last hour some sunshine has peeked out over Stewart and part of Montgomery counties. Some of that sunshine will progress southeast through the afternoon. Along with the sunshine, some lower dew points will also move in from upstream. Current dew points in western KY are in the lower 60s. Look for some of those reading in our northwest this afternoon. Shower chances should clear our area this evening as the front moves far enough south, but that will be temporary. A wave will eject out of the deep south Friday morning pushing the boundary back north and bringing the storms chances back with it. This will not be areawide but mainly confined to the south and the plateau. && .LONG TERM... (Friday Night through next Thursday) Issued at 1101 AM CDT Thu Jul 18 2024 The long term forecast continues to look wet with temperatures slightly below normal which is good news for our fresh drought problem. The upper air pattern will be characterized by broad troughing with southwesterly flow in our area. The surface boundary will lift back northward on Saturday and by Sunday the front will be back north of the area with ample moisture streaming into the area. The southwesterly upper flow continues into next week with our area being on the western fringes of the Bermuda high and some weak troughing to the north. This will leave us unsettled with some small disturbances moving through the flow. Look for scattered to numerous showers and storms each day through the extended forecast. Shear will be weak each day, so no organized severe threats are expected but rain will be heavy at times. I know some locations missed out on yesterday`s rain, but hopefully this pattern will help make up for that. && .AVIATION... (00Z TAFS) Issued at 627 PM CDT Thu Jul 18 2024 Any lingering cloud cover will dissipate early this evening as diurnal heating wanes. Some MVFR to IFR fog develop is possible at SRB and CSV late tonight, but will dissipate after sunrise tomorrow. Otherwise, north-northeasterly winds will diminish but remain steady around 5 kts through the TAF period, and become a little more northeast by tomorrow. && .PRELIMINARY POINT TEMPS/POPS... Nashville 66 88 70 89 / 0 10 30 50 Clarksville 61 83 65 87 / 0 0 10 20 Crossville 58 83 64 80 / 0 40 50 80 Columbia 63 87 67 88 / 0 20 30 60 Cookeville 60 83 66 82 / 0 20 40 70 Jamestown 60 82 64 80 / 0 20 40 70 Lawrenceburg 63 85 66 86 / 0 30 40 70 Murfreesboro 64 88 68 88 / 0 20 40 60 Waverly 61 86 65 87 / 0 10 10 30 && .OHX WATCHES/WARNINGS/ADVISORIES... None. && $$ UPDATE.......05 SHORT TERM...Reagan LONG TERM....Reagan AVIATION.....05