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Area Forecast Discussion
Issued by NWS Shreveport, LA
Issued by NWS Shreveport, LA
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059 FXUS64 KSHV 110714 AFDSHV Area Forecast Discussion National Weather Service Shreveport LA 214 AM CDT Thu Jul 11 2024 ...New SHORT TERM, LONG TERM... .SHORT TERM... (Thursday through Friday) Issued at 203 AM CDT Thu Jul 11 2024 Surface high pressure to prevail across the region today allowing for light winds areawide. An upper-level trough extending from the Great Lakes southward across the midwest will allow for increased instability areawide. However, with a lack of available moisture, mainly dry conditions to prevail areawide with the exception of a few seabreeze generated showers and thunderstorms mainly south of I-20 during the late afternoon hours. With increased mixing due to the prevailing upper-trough aloft, temperatures will again remain seasonably normal with highs in the mid 90s. Under mostly clear skies tonight, overnight lows to range from the upper 60s to lower 70s. A surface low retrograding west into the Carolinas will elongate allowing for a surface trough to extend across the northern Gulf Coast on Friday. Surface boundary combined with prevailing upper- trough will allow for slightly higher rain chances mainly south of I-20 on Friday. Afternoon highs on Friday to again average in the mid 90s. /05/ && .LONG TERM... (Friday Night through Thursday) Issued at 203 AM CDT Thu Jul 11 2024 Upper-level ridge to gradually build across the region through the weekend gradually eroding the upper-trough. Diurnal convection to gradually diminish each day, becoming nearly non- existent by Tuesday except for slight chances across portions of north Louisiana along a weakness along the southern periphery of the upper-ridge. As the ridge rebuilds from Sunday onward, afternoon high temperatures will creep to near 100 degrees across much of north Louisiana and south Arkansas with slightly lesser values elsewhere across the ArkLaTex. The combination of hot temperatures and elevated relative humidity values will allow for heat index values to climb to dangerous levels as early as Saturday across portions of the ArkLaTex with heat headlines expected through the remainder of the long-term period ending Thursday. /05/ && .AVIATION... (06Z TAFS) Issued at 1252 AM CDT Thu Jul 11 2024 For the 11/06Z TAF period, VFR vis/cigs are expected through the period with some afternoon Cu fields likely to redevelop airspace-wide as southerly surface winds gradually return. /16/ && .PRELIMINARY POINT TEMPS/POPS... SHV 97 76 97 77 / 10 0 20 10 MLU 95 72 96 73 / 10 0 10 0 DEQ 93 69 94 70 / 10 0 0 0 TXK 96 72 97 74 / 10 0 0 0 ELD 94 71 96 71 / 10 0 10 0 TYR 95 73 94 75 / 10 0 10 0 GGG 95 73 94 74 / 10 0 20 0 LFK 94 73 93 74 / 20 0 40 10 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...None. LA...None. OK...None. TX...None. && $$ SHORT TERM...05 LONG TERM....05 AVIATION...16