991 FXUS64 KAMA 210919 AFDAMAArea Forecast Discussion National Weather Service Amarillo TX 419 AM CDT Sun Sep 21 2025
...New UPDATE...
.UPDATE... Issued at 417 AM CDT Sun Sep 21 2025
Showers and thunderstorms remain over the eastern Texas and Oklahoma Panhandles early this morning. This activity continues to slowly drift off to the east and should mostly be out of the Panhandles by or shortly after sunrise. Gusty winds and moderate to heavy rain are possible in addition to lightning over the next few hours. The ongoing forecast has been updated based on the expected progression of the ongoing showers/storms.
Muscha
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.KEY MESSAGES... Issued at 1203 AM CDT Sun Sep 21 2025
Overnight showers and thunderstorms will lead to relatively quite weather today.
Precipitation chances return Monday with potential to see severe thunderstorms capable of all hazards.
Thunderstorm chances remain on the lower side next week, but are possible Tuesday through Wednesday.
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.SHORT TERM... (Today through Monday night) Issued at 1203 AM CDT Sun Sep 21 2025
Showers are thunderstorms are expected to remain present through the overnight as new band is currently making its way down form southeastern Colorado. At this time latest CAMs analysis suggests that these storms may struggle once they move in, which would likely leave the Northern Panhandles to deal with more showers than actual thunderstorms. However just a bit further south, activity indicates that the expected low-level jet has already come into play which is currently aiding in keeping some of these stronger storms going. Still, this activity in the south is presently being forced out by present outflow boundaries and the new band moving in. Either way, present CAMs are still in agreement to a dry pocket of air forcing its way in by Sunday morning which should help to keep weather relatively quite for the day.
Monday, on the other hand, is already looking to be a very active severe weather day with models expecting the initial arrival of the upper-level trough from our north. This trough will invite a healthy does of instability to the Panhandles that afternoon and evening, prompting around a 20 to 40% chances of storms mostly across the Northern and Eastern Panhandles. On the severe side of the potential, latest CAMs analysis suggests that decent MLCAPE will be present with values running around 1500 to 2500 J/kg in the east, while MUCAPE peaks closer to 3000 J/kg. What is even more concerning; however, is that these same runs are also suggesting very decent directional wind shear present with bulk shears upwards of 40kt. This shear would help keep storms more organized and discrete for the day, which would prompt potential for larger hail and damaging winds. This also translates to a few pockets of good low-level winds shear that make the potential for a tornado unable to be rule out for the day either. This activity looks to have the potential to extend into the overnight hours as the trough continues to dive south into the southern Great Plains.
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.LONG TERM... (Tuesday through Saturday) Issued at 1203 AM CDT Sun Sep 21 2025
As model agreement sees the trough continue to dig south as it exits over the Great Plains Tuesday night into Wednesday, present expectation see chances of precipitation increase. Currently latest guidance is seeing widespread chances of 25 to 35% present during this overnight period that will slowly diminish over Wednesday afternoon as the trough exits. Potential is there to see a strong to severe thunderstorm, especially early on Tuesday, but this activity may struggle if the atmosphere is over worked from previous activity Monday. Moving into Thursday has most models agreeing to the ridge rebuilding and moving over the Panhandles. This placement will look to see the Panhandles dry out through Friday and portions of Saturday. From there model agreement does see a new closed upper-level low try to move across the Southwestern United State during the weekend, but there is still a lot of disagreement on its placement and timing. For now, look temperatures to cool behind the system with afternoon highs in the 70s Tuesday and Wednesday before warming back into the 80s by the weekend.
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.AVIATION... (06Z TAFS) Issued at 1226 AM CDT Sun Sep 21 2025
Showers and thunderstorms continue to remain present for this overnight package with KDHT currently seeing minor impacts. These showers are expected to transition eastward and impact KGUY before dissipating just after sunrise. From there all terminals should slowly clear out for Sunday with VFR conditions present for the day.
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.AMA WATCHES/WARNINGS/ADVISORIES... TX...None. OK...None. &&
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SHORT TERM...11 LONG TERM....11 AVIATION...11
NWS AMA Office Area Forecast Discussion