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Area Forecast Discussion
Issued by NWS Huntsville, AL
Issued by NWS Huntsville, AL
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901 FXUS64 KHUN 100602 AFDHUN Area Forecast Discussion National Weather Service Huntsville AL 102 AM CDT Wed Jul 10 2024 ...New AVIATION... .NEAR TERM... (Tonight) Issued at 900 PM CDT Tue Jul 9 2024 One final line of moderate/occasionally heavy showers is currently moving eastward along the I-65 corridor. This line is preceding a cold front which has now crossed into NW AL. Both the line of showers/cold front will continue to move east thru the remainder of the evening hrs, with the rainfall exiting the area around midnight followed by the weak frontal boundary during the early morning period. Slightly cooler/drier air will then filter into the area in the wake of the frontal passage near daybreak, with lows mainly in the mid 60s/near 70F. A few rumbles of thunder cannot be ruled out as well. && .SHORT TERM... (Wednesday through Friday) Issued at 113 PM CDT Tue Jul 9 2024 As the remnants of Beryl move away from the TN Valley, higher pressure begins to move in due to a ridge near the four corners rebuilding back to the east and settling our weather pattern in the short term. This ridge should act as a roadblock to any waves/disturbances along the jet stream and keep them further north during this period. As a result, we dry out as this area of high pressure allows for mostly sunny conditions through the rest of the work week. The good news, at least in the short term, is that heat indices shouldn`t be reaching the triple digits, as dewpoints in the 60s should limit afternoon RH values. In fact, highs on Wednesday will "only" reach the 85 to 90 degree range over a bulk of the region, before warming quickly by Thursday and Friday. Thus, folks should keep mind of their heat safety procedures and stay hydrated, as ambient temperatures may still reach the mid to upper-90s by Friday. && .LONG TERM... (Friday through Monday) Issued at 358 AM CDT Tue Jul 9 2024 This upper level ridging builds over the area over the weekend. Little cloud cover is shown then and into early next week. Little cloud cover is expected. This should allow high temperatures to climb into the mid to upper 90s at least. Luckily dewpoints should be much lower (lower to mid 60s -- maybe even a few upper 50s). With such high temperatures expected, we will have to watch this period closely for the issuance of any heat related advisories. Low chances of showers or thunderstorms could return early next week. However, these look unorganized and not very strong. && .AVIATION... (06Z TAFS) Issued at 102 AM CDT Wed Jul 10 2024 Currently VFR conditions are in place at both terminals. However, some MVFR CIGS could impact either terminal (likely KMSL not as long) around or shortly after 06Z. Then expect MVFR CIGS to become predominate at KHSV after 09Z. Not as sure these MVFR CIGS will continue after 8Z at KMSL, only kept SCT CIGS there. Winds will turn to the NW around 15Z. Winds should pick up to around 10 knots with gusts up to 20 knots possible at both terminals around 15Z and continue into the morning hours, before becoming lighter. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...None. TN...None. && $$ NEAR TERM...09 SHORT TERM....Serre LONG TERM....KTW AVIATION...KTW