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Area Forecast Discussion
Issued by NWS Nashville, TN
Issued by NWS Nashville, TN
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908 FXUS64 KOHX 181755 AAA AFDOHX Area Forecast Discussion...UPDATED National Weather Service Nashville TN 1255 PM CDT Thu Jul 18 2024 ...New AVIATION... .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... (18Z TAFS) Issued at 1243 PM CDT Thu Jul 18 2024 VFR Conditions are expected to prevail over the forecast period after MVFR ceilings clear by 20Z. Any SHRA/TSRA development should be south of any terminals. Think KSRB and potentially KCSV have the risk of developing MVFR/IFR ceilings after 06Z, but confidence isn`t high. && .PRELIMINARY POINT TEMPS/POPS... Nashville 66 88 70 89 / 0 10 20 50 Clarksville 61 84 65 87 / 0 0 10 20 Crossville 58 82 63 80 / 10 50 40 80 Columbia 63 88 67 88 / 10 30 20 60 Cookeville 61 83 66 82 / 0 30 20 70 Jamestown 60 83 64 80 / 0 30 30 70 Lawrenceburg 63 87 67 86 / 10 40 20 70 Murfreesboro 63 89 68 88 / 0 30 20 60 Waverly 61 85 65 87 / 0 0 10 30 && .OHX WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...Reagan LONG TERM....Reagan AVIATION.....Hurley