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Area Forecast Discussion
Issued by NWS Tulsa, OK
Issued by NWS Tulsa, OK
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096 FXUS64 KTSA 290236 AFDTSA Area Forecast Discussion National Weather Service Tulsa OK 936 PM CDT Fri Jun 28 2024 ...New SHORT TERM... .SHORT TERM... (The rest of tonight) Issued at 936 PM CDT Fri Jun 28 2024 Thunderstorms were ongoing across Eastern Kansas in response to a surface boundary lifting northwestward and interacting with the frontal boundary slowly moving southward. Through the evening hours these storms are forecast to remain north of Eastern Oklahoma and Northwest Arkansas. However...there is potential that an outflow boundary from the convection could push southward into the CWA late tonight and create a focus for a few storms to develop in Northeast Oklahoma. At this time the greater potential for precip looks to be for locations near the Oklahoma Kansas border...and will continue with current PoP configuration for tonight. Instability should weaken this evening and set up closer to the frontal boundary stretched across Kansas overnight. In response...not anticipating severe weather tonight. South of the frontal boundary...southerly low level flow combined with upper 60s/70+ deg dewpoints and scattered cloud cover over the CWA should aid in low temps again tonight to be near/slightly warmer compared to this morning. Current forecast lows in the mid 70s to around 80 deg remain on track. Thus...for the evening update have added minor tweaks to hourly temp/dewpoint trends...while the rest of the forecast looks to be in good shape at this time. && .LONG TERM... (Saturday through Friday) Issued at 145 PM CDT Fri Jun 28 2024 Corridor of elevated convection is likely to be ongoing across portions of NE OK / far NW AR tomorrow morning with skies then clearing into the afternoon. Hot and humid conditions will then prevail area wide. Recent rainfall footprint along with any moisture pooling along slow moving boundary into NE OK late in the day will both act to focus persistent high dewpoints through much of E OK and result in dangerous afternoon heat index values. Majority of guidance favors isolated to scattered storms developing by late afternoon along the boundary which is likely to be in or near NE OK and possibly far NW AR. Ample instability and steep low level lapse rates will support locally damaging wind potential with the strongest storms. The boundary should be pushed more southward by the evening / overnight storms with some heat relief possible on Sunday. Guidance varies considerably on extent of additional precip along and north of the boundary into the day Sunday. Forecast will remain conservative on precip coverage and also side toward the warmer temp scenario for Sunday afternoon. Upper ridge will become more centered over the local forecast area Monday into Tuesday with decreasing rain chances and increasing temperatues. A return of heat headlines are likely for early next week. By mid to late next week there is a chance a weak cold front will move near or into the region and bring the next chance of precip and possibly slightly cooler temperatures. && .AVIATION... (00Z TAFS) Issued at 633 PM CDT Fri Jun 28 2024 VFR conditions should prevail through the period. Gusty winds for the first few hours of the TAF should diminish some thereafter. A low chance for showers/thunderstorms late tonight remains for BVO, and the going VCSH mention will be maintained for that potential. A stronger signal for thunderstorms near BVO exists around 30/00Z, with the best chance occurring just after the end of the current TAF period. As such, no mention will be included in the current TAF set. && .PRELIMINARY POINT TEMPS/POPS... TUL 82 99 75 94 / 10 20 40 30 FSM 79 99 79 97 / 0 10 20 50 MLC 78 98 77 96 / 0 0 10 30 BVO 79 98 70 91 / 20 20 40 30 FYV 76 98 72 92 / 0 20 30 50 BYV 77 98 72 90 / 10 20 30 50 MKO 79 98 75 93 / 0 20 20 30 MIO 79 95 72 88 / 20 20 40 40 F10 79 97 74 93 / 0 10 20 30 HHW 77 95 77 96 / 0 0 0 30 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...Heat Advisory from noon to 9 PM CDT Saturday for OKZ049-053-058- 063-069. Excessive Heat Warning from noon to 9 PM CDT Saturday for OKZ054>057-059>062-064>068-070>076. AR...Heat Advisory from noon to 9 PM CDT Saturday for ARZ001-002-010- 011. Excessive Heat Warning from noon to 9 PM CDT Saturday for ARZ019- 020-029. && $$ SHORT TERM...20 LONG TERM....07 AVIATION...22