Area Forecast Discussion
Issued by NWS Amarillo, TX
Issued by NWS Amarillo, TX
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208 FXUS64 KAMA 112339 AFDAMA Area Forecast Discussion National Weather Service Amarillo TX 639 PM CDT Tue Jun 11 2024 ...New AVIATION... .SHORT TERM ... (This evening through Wednesday night) Issued at 222 PM CDT Tue Jun 11 2024 A north-northwest flow aloft could drag a couple of thunderstorms into our far northwest late this afternoon and this evening. Have added a slight chance to these areas for this possibility. Any storms are expected to decrease with the setting sun. On Wednesday, thunderstorms are expected to develop along a surface trough from northeast New Mexico into western Kansas. The northwest flow is very light, so it is uncertain on whether storms can make into our area. For now have left them out. Highs on Wednesday are expected to be around or just above average with readings in the upper 80`s to the upper 90`s. && .LONG TERM ... (Thursday through next Monday) Issued at 222 PM CDT Tue Jun 11 2024 A southern stream sinusoidal pattern will dictate the weather pattern late this week into the coming weekend, before H500 zonal pattern returns next week to the southern High Plains. To start on Thursday, a low amplitude H500 ridge enters the western Panhandles. Could see a dirty ridge thunderstorm in the northern Panhandles, but otherwise, mostly dry and warm temperatures with H850 temps of +29 to +32C advecting into the Panhandles. High temperatures on Thursday should be well above average with many areas in the 100-104 degree range. If convective temps are reached, aided by the perturbations on the ridge, more areas could see more storms, and these storms could be strong to severe, but this forecast will be more finely tuned as we get closer. Latest 11/12Z model and numerical guidance are in some accord that a more organized h500 trough will traverse the Four Corners Region and aid in lift for additional thunderstorm chances from west to east throughout the afternoon and evening hours. Thunderstorms could be strong to severe with better lift in the area where large hail and damaging wind gusts will be the main threats. High temperatures on Friday will remain above average. From Saturday into next week, a slowly progression from zonal to SW H500 flow should keep the area mostly dry. Diurnally driven thunderstorms formed off near orthogonal sfc boundaries and/or anemic perturbations in the synoptic flow could aid in thunderstorm genesis. Temperatures this coming weekend into early next week will remain above average. Meccariello && .AVIATION... (00Z TAFS) Issued at 631 PM CDT Tue Jun 11 2024 VFR conditions are generally expected tonight and tomorrow, although some low ceilings can`t be ruled out in the morning, especially at KAMA. Variable winds will eventually settle out of the south-southwest at 10-15 kts tomorrow through the end of the period. Abundant low-level moisture is still in place as is evident by low cumulus currently overhead, with more moisture on the way. This could lead to some MVFR low ceilings or even patchy fog for the southeast Texas Panhandle, possibly spreading towards KAMA. Confidence is still somewhat low, so have held off on introducing any flight restrictive categories to the TAFs. Any fog or low ceilings that may develop would likely dissipate through the late morning hours. Harrel && .PRELIMINARY POINT TEMPS/POPS... Amarillo TX 61 90 66 99 / 0 0 0 0 Beaver OK 63 95 67 104 / 0 0 0 0 Boise City OK 60 96 63 101 / 20 10 0 10 Borger TX 64 96 68 104 / 0 0 0 0 Boys Ranch TX 62 95 66 102 / 10 0 0 0 Canyon TX 60 90 65 98 / 0 0 0 0 Clarendon TX 61 87 64 95 / 0 0 0 0 Dalhart TX 60 95 62 101 / 20 10 0 0 Guymon OK 61 95 65 103 / 0 0 0 10 Hereford TX 61 92 65 100 / 0 0 0 0 Lipscomb TX 62 93 67 101 / 0 0 0 0 Pampa TX 62 90 66 99 / 0 0 0 0 Shamrock TX 62 88 66 96 / 0 0 0 0 Wellington TX 63 89 66 96 / 0 0 0 0 && .AMA WATCHES/WARNINGS/ADVISORIES... TX...None. OK...None. && $$ SHORT TERM...15 LONG TERM....29 AVIATION...38