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Area Forecast Discussion
Issued by NWS Tulsa, OK
Issued by NWS Tulsa, OK
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661 FXUS64 KTSA 160507 AFDTSA Area Forecast Discussion National Weather Service Tulsa OK 1207 AM CDT Fri Aug 16 2024 ...New AVIATION... .SHORT TERM... (Tonight) Issued at 210 PM CDT Thu Aug 15 2024 Weak front currently extends from south central KS into SW OK with a plume of elevated moisture and isolated convection remaining draped across across NE OK. Guidance remains in good agreement in scattered storms developing along the frontal boundary and also expanding within the mid level moist axis as the approaching mid level passes the region through the evening. Effective shear values support some stronger multicell to brief supercell structure and the strongest storms will be capable of both hail and locally damaging downburst winds. Storm coverage is likely to peak by mid evening with a gradual decrease while focusing more eastward within the strengthening overnight low level jet. && .LONG TERM... (Friday through Thursday) Issued at 211 PM CDT Thu Aug 15 2024 Dangerous heat index / wet bulb globe temps are likely to continue tomorrow. Uncertainties are somewhat higher tomorrow regarding temp and dewpoint trends pending the coverage and duration of tonight`s convection. A weak sfc boundary is likely to align across SE OK by mid afternoon and isolated storms are possible in vicinity of this boundary. Additional storms are expected to develop across KS and spread southeastward into NE OK by late afternoon or early evening. This storms will be accompanied by a stronger corridor of winds aloft and are likely to maintain a risk of severe weather as they spread southeastward into E OK / NW AR. As the severe risk wanes by late evening, the developing low level jet will be orthogonal to the remnant cold pool and there is potential for a localized area of heavier rainfall totals to develop through Saturday morning. Hot and humid conditions will continue into the weekend and additional heat advisories and/or warnings may be needed. However, the general trend should be for high temps to cool slightly as the upper ridge axis shifts more westward. This may also allow slightly drier air to spread into parts of the region while also maintaining low chances for daily showers and storms. && .AVIATION... (06Z TAFS) Issued at 1205 AM CDT Fri Aug 16 2024 VFR conditions will prevail through the day Friday, with the chances of any lingering storms affecting a TAF site too low to include in the forecast. Additional scattered storms are expected to affect the area Friday evening, with potential ceiling and visibility reductions. && .PRELIMINARY POINT TEMPS/POPS... TUL 99 75 99 75 / 20 30 10 10 FSM 100 78 99 78 / 20 20 20 10 MLC 99 76 99 76 / 20 10 10 0 BVO 98 70 98 70 / 20 50 10 10 FYV 98 72 96 72 / 20 40 30 10 BYV 98 70 94 69 / 20 50 30 10 MKO 98 75 97 75 / 20 30 20 10 MIO 97 70 94 70 / 20 60 20 10 F10 99 75 99 74 / 10 20 10 0 HHW 100 76 102 78 / 20 10 0 0 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...Heat Advisory from noon today to 9 PM CDT this evening for OKZ049-053>059-062-063-068-069-073-075. Excessive Heat Warning from noon today to 9 PM CDT this evening for OKZ060-061-064>067-070>072-074-076. AR...Heat Advisory from noon today to 9 PM CDT this evening for ARZ001-002-010-011. Excessive Heat Warning from noon today to 9 PM CDT this evening for ARZ019-020-029. && $$ SHORT TERM...07 LONG TERM....07 AVIATION...05