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Area Forecast Discussion
Issued by NWS Shreveport, LA
Issued by NWS Shreveport, LA
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147 FXUS64 KSHV 010747 AFDSHV Area Forecast Discussion National Weather Service Shreveport LA 247 AM CDT Mon Jul 1 2024 ...New SHORT TERM, LONG TERM... .SHORT TERM... (Monday through Tuesday) Issued at 221 AM CDT Mon Jul 1 2024 Upper-air analysis this morning is showing high pressure remaining over our area, generally centered across north central Texas and south central Oklahoma. The only appreciable change to this over the next few days will the center of it will wobble to and fro as it slowly shifts to the east. Meanwhile at the surface, a frontal boundary will remain stalled out across portions of the region today, generally from southeast Oklahoma into northwest Louisiana. This will cause a larger gradient in afternoon high temperatures. Behind the frontal boundary, highs will be in the lower 90s, while the rest of the area will be in the mid to upper 90s. This should also limit our Max Apt T or heat index across these areas. Due to this, we have left out many of our southeast Arkansas counties from the Heat Advisory for today with the exception of Miller and Little River. There is some potential that we will see some Excessive Heat Warning criteria being met at times today, but it seemed spotty enough to keep the Heat Advisory going and not upgrade for today. Late afternoon showers and thunderstorms will once again be possible across portions of the area thanks to the stalled out frontal boundary. Similar to today, this should act as a starting point for convection later this afternoon and into the early evening hours. The location may differ some, with storms possible into some of our east Texas counties. The potential for these storms is another reason I have elected not to upgrade the Heat Advisory as these could limit how "hot" we get. Hopefully we are able to manage to get some precipitation today as any convection for the rest of the week will generally only be from sea-breeze convection along our southern zones. Tuesday will remain hot again across the region, and there is some potential that areas not in the Heat Advisory today will need to be included on Tuesday, however, right now to avoid confusion, have left it as is and will expand if needs be tonight. /33/ && .LONG TERM... (Tuesday Night through Monday) Issued at 221 AM CDT Mon Jul 1 2024 Here is how the rest of the week is expected to pan out. Models are in decent agreement that the center of the upper-level ridge will slowly shift to the east through the week. So, moral of the story is, this week is going to be hot with heat products likely to be in place through much of the week. By Friday, the center of the ridge should be more centered over the southeast CONUS, with what is now Hurricane Beryl reaching the Yucatan Peninsula. Current track has the center of Beryl going right through the Yucatan Peninsula and into the southern Gulf of Mexico by Friday evening. Where it tracks from there is still up in the air, so continue to follow the forecast for the latest information from the National Hurricane Center. Precipitation will be limited through much of the long term period. The only exception will be from anything that can develop from diurnal heating and then the sea-breeze convection across our far southern zones. Right now it appears that our southern zones will have the best potential for any precip on Wednesday and Thursday. By Friday, as the center of the ridge is well east of our area, this could allow for more widespread convection across the region as a frontal boundary will push into the northern portions of our area, leading to a more unsettled period into next weekend. This could also lead to a brief break in the hot temperatures for next weekend. /33/ && .AVIATION... (06Z TAFS) Issued at 1243 AM CDT Mon Jul 1 2024 Patchy fog and IFR/LIFR flight conditions may affect a few isolated locations early in the period, most notably KELD. However, flight conditions should improve back into the VFR range at all terminals by 01/18z. Another round of scattered showers and thunderstorms are expected during the afternoon hours, particularly across East Texas and much of Western and Central Louisiana. KTYR, KGGG, KSHV, and KLFK should be the TAF sites most likely to be affected by convection. The showers and thunderstorms should gradually dissipate after 02/00z. CN && .PRELIMINARY POINT TEMPS/POPS... SHV 97 79 100 81 / 30 10 0 0 MLU 95 72 98 77 / 20 10 0 0 DEQ 93 72 96 75 / 20 10 0 0 TXK 96 75 99 79 / 20 10 0 0 ELD 93 69 97 75 / 10 10 0 0 TYR 98 78 99 79 / 20 10 0 0 GGG 97 77 99 78 / 30 10 10 0 LFK 96 77 98 77 / 50 20 10 0 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...Heat Advisory until 8 PM CDT Tuesday for ARZ059-070. LA...Heat Advisory until 8 PM CDT Tuesday for LAZ001>006-010>014- 017>022. OK...Heat Advisory until 8 PM CDT Tuesday for OKZ077. TX...Heat Advisory until 8 PM CDT Tuesday for TXZ096-097-108>112- 124>126-136>138-149>153-165>167. && $$ SHORT TERM...33 LONG TERM....33 AVIATION...09