Area Forecast Discussion
Issued by NWS Oklahoma City, OK
Issued by NWS Oklahoma City, OK
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530 FXUS64 KOUN 081130 AFDOUN Area Forecast Discussion National Weather Service Norman OK 530 AM CST Fri Nov 8 2024 ...New AVIATION... .KEY MESSAGES... Updated at 513 AM CST Fri Nov 8 2024 - Heavy rainfall, flooding possible today. - Frost possible Saturday night NW OK. - Frost/Freeze possible middle of next week W/N OK. && .NEAR TERM... (Today and tonight) Issued at 300 AM CST Fri Nov 8 2024 Current shield of rain, with a few embedded thunderstorms should continue trend of weakening as it progresses to the north and east. Renewed convection now developing just west of the 100th meridian will be the next wave of rain that will spread north and east this morning. A last wave of precipitation is expected to develop this afternoon across western portion of Oklahoma down into western north Texas and spread eastward over the region this evening and tonight. Intense upper low over New Mexico early this morning is expected to eject to the north and east this afternoon and tonight as strong mid-level jet spreads from the base to the eastern periphery of system. As this occurs, a dryslot will spread from southwest to northeast this afternoon and evening. Ahead of the deeper dry air, the last round of rain with scattered thunderstorms is expected to spread from west to east. With the upper low progressing more northward than eastward tonight, no wrap around precipitation is expected. Overall instability will be weak and elevated, but shear will be quite strong. This could pose at least some risk for strong wind gusts late today into this evening if we were to see much in the way of clearing between rain episodes. For now, the severe weather risk for today will remain just to our south. && .SHORT TERM... (Saturday through Sunday night) Issued at 300 AM CST Fri Nov 8 2024 Cooler and drier weather expected through the weekend. With clear skies and light wind Saturday night, there appears to be the possibility for frost formation across northwest Oklahoma by daybreak Sunday. && .LONG TERM... (Monday through Thursday) Issued at 300 AM CST Fri Nov 8 2024 In the wake of our current upper level storm system, mainly zonal flow will take over with at least one low amplitude s/wv passing over the region late Monday into Tuesday. This particular feature is expected to be moisture starved and should have minimal sensible impacts across the region. Medium range models diverge on solutions thereafter, with the ECM still more amplified with most of a progressive longwave trough late Tuesday and Wednesday. The GFS is farther north and a little faster. Rain chances still appear fairly low and mainly confined to areas east of Interstate 35. With this passing wave, the main impact will likely be stronger winds ahead of and immediately behind a pacific cold front. Surface ridge is progd to settle over the region late Wednesday behind this front, and if they settle down enough, a light freeze or frost will be possible across northern and western Oklahoma Thursday morning. && .AVIATION... (12Z TAFS) Issued at 513 AM CST Fri Nov 8 2024 Upper level system will maintain widespread areas of rain with weak embedded thunderstorms along with low ceilings and reduced visibilities that will maintain IFR to LIFR conditions across our terminals at least through 00Z. Will see conditions start to improve to VFR conditions after 00Z at terminals across western Oklahoma and western north Texas to near 05Z across terminals in central Oklahoma. Terminal KDUA in southeast Oklahoma will likely remain in IFR conditions through this entire forecast. A surface low across our southwestern CWA will keep surface winds generally out of the east. && .PRELIMINARY POINT TEMPS/POPS... Oklahoma City OK 63 44 62 43 / 90 80 0 0 Hobart OK 65 39 64 39 / 100 30 0 0 Wichita Falls TX 69 44 66 44 / 100 40 0 0 Gage OK 56 36 60 34 / 100 40 0 0 Ponca City OK 60 43 61 39 / 90 90 10 0 Durant OK 67 51 69 48 / 90 90 10 10 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...Flood Watch through this evening for OKZ009>012-014>018-021>024- 027-033>038-044. TX...Flood Watch through this evening for TXZ083>089. && $$ NEAR TERM...11 SHORT TERM...11 LONG TERM....11 AVIATION...68