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Area Forecast Discussion
Issued by NWS Huntsville, AL
Issued by NWS Huntsville, AL
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042 FXUS64 KHUN 120521 AFDHUN Area Forecast Discussion National Weather Service Huntsville AL 1221 AM CDT Fri Jul 12 2024 ...New AVIATION... .NEAR TERM... (Tonight) Issued at 825 PM CDT Thu Jul 11 2024 Another calm/quiet evening is underway across the mid TN Valley, as current temps drop mainly into the lower/mid 80s. Temps heading into the overnight hrs should have little trouble falling into the mid 60s/near 70s, given the light winds/mostly clear skies. Some very light fog is possible as well going into the early morning period Thu, mainly in the sheltered/valley areas. Otherwise, with an area of weak high pressure in place east of the area, quiet wx conditions will prevail thru tonight. && .SHORT TERM... (Friday through Sunday) Issued at 239 PM CDT Thu Jul 11 2024 Hot conditions will continue Friday and over the weekend, as high pressure at the surface and aloft controls the general weather situation. After seasonably mild conditions tonight, high temperatures to close out the workweek Friday should warm into the mid 90s. Heat index values should rise into the mid/upper 90s. A bit warmer on Saturday with highs into the upper 90s, and heat index values to 103 degrees in a few spots. The heat continues on Sunday with high temps soaring to 101, and heat indices to 106 in a few spots. Heat Advisories could be needed Sun if this hot trend continues. Dry conditions should continue in this period. && .LONG TERM... (Monday through Wednesday) Issued at 349 AM CDT Thu Jul 11 202 [239 PM update] It will become even hotter as we start a new work week, with highs both Monday and Tuesday soaring to the 102 in a few spots. Heat indices will become more of an issue, with more of the area in the Advisory range (105-109). A few spots in the grids showed 111 degree heat heat index values which is in the Excessive Heat realm. Low temperatures only in the low/mid 70s (73-77) will add to the dangers of hot spell early next week. The environment not cooling sufficiently before another hot day can become accumulative, with more instances of those outdoors suffering from heat related illnesses. Please drink plenty of water, try to stay in the shade, and reducing outdoor activities will help in keep heat related health issues minimized. Less cloud cover seems like a good bet early next week, as a weak boundary caught up in the high building over the area sinks southeast of the area. This could allow daytime highs to reach the century mark then. Also, with a frontal boundary to our south moving northward, more low level moisture should move into the area. This may bring some isolated showers or thunderstorms to northern Alabama during that period into the middle of next week. However, the biggest impact will be the heat next week. With the air temperatures climbing into the upper 90s to around 101 degrees possibly early next week and higher dewpoints moving into the area in the afternoon, Heat Advisories or Excessive Heat Warnings may be needed early next week into the middle of next week. Especially given most guidance is forecasting lows next week in the 73 to 77 degree range next week. && .AVIATION... (06Z TAFS) Issued at 1220 AM CDT Fri Jul 12 2024 VFR conditions expected at KHSV and KMSL terminals over the next 24 hours. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...None. TN...None. && $$ NEAR TERM...09 SHORT TERM....RSB LONG TERM....KTW AVIATION...KDW