


Area Forecast Discussion
Issued by NWS Amarillo, TX
Issued by NWS Amarillo, TX
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888 FXUS64 KAMA 171944 AFDAMA Area Forecast Discussion National Weather Service Amarillo TX 244 PM CDT Thu Jul 17 2025 ...New KEY MESSAGES, SHORT TERM, LONG TERM... .KEY MESSAGES... Issued at 244 PM CDT Thu Jul 17 2025 -Isolated showers and storms this evening. Moderate to heavy rain will be the primary concern with possible localized flooding. Low chance that storms become severe with 1" hail and winds up to 70 mph. -Heat is on the way starting Saturday and through next week. Heat concerns for Palo Duro Canyon on Sunday through Tuesday. -Ample moisture with the heat could still support storms, despite a dry forecast, and a system over the Pac Nw could help push daily thunderstorms over the Panhandles starting Sunday through next week. && .SHORT TERM... (This evening through Friday night) Issued at 244 PM CDT Thu Jul 17 2025 Latest satellite image shows a good band of clouds along and north of I-40 from this mornings showers and storms. Temperatures have held in the mid 70s to low 80s so far, exception is the far southwest near Hereford, already up to 90. Looking at the area along and south of the I-40 corridor that may have the best moisture and potential for strong heating as the clearing continues for late afternoon to evening storms can develop. 18z sounding is very capped at KAMA with over 150ML CIN and very little CAPE to work with, it may be a challenge for anything to get going. There are some CAM`s lately that suggest we may be too worked over an that today will not have any storms. Overall, if storms do form, they will likely be slow moving 5 to 10 kts and should track north, before diminishing toward the central to northern Panhandle. PWAT`s on the 18z sounding are still pretty high 1.40" supporting very heavy rainfall, which continues the primary concern for flooding with these storms. Shear is not that impressive, but just enough to keep the threat for hail up to 1" and wind up to 70 mph in the forecast. But still thing the main issue is going to be heavy rainfall. Later this evening and overnight there`s a cluster of storms expected to track east into the western Panhandle supporting more heavy rain, but again confidence is not high given the early morning storms and an already worked over environment. This is supported by the more recent CAM runs that have pretty much gone dry for a lot of the area. Convective models have struggled this season, and given the ample low level moisture as well as the cluster of storms expected in NM, it still wouldn`t be a surprise despite the factors working against us, to see thunderstorms develop, or at least get that cluster to move into the northwest Panhandles overnight. As we move into Friday, the upper high that has been over the Atlantic/Florida area, is expected to slowly retrograde west, which will push the moisture plume further into NM and provide more subsidence to the area. Now we still could get in isolated storm or two given the low level moisture and temperatures in the mid to upper 90s, but it does appear that we`ll be moving to a drier period at least through Monday. Weber && .LONG TERM... (Saturday through next Wednesday) Issued at 244 PM CDT Thu Jul 17 2025 As the high continues to shift west over the weekend and into early next week, we should continue to heat up and remain fairly dry. The challenge will be that due to the ample low level moisture and higher dewpoints we still may manage to convect pop up showers/storms on any given day. Additionally, we could be looking at temperatures struggling to hit that 100 degree mark, due to the higher surface moisture or afternoon cloud cover from that moisture. On the flip side, if the dewpoints linger in the lower to mid 60s, we can expect to feel a heat index of some sort that could take us over the 100 degree mark, even if we don`t reach that as the actual temperature. Palo Duro Canyon currently looks as if it could get to 105 heat index on 3 consecutive days (Sunday- Tuesday). It just depends on if the dewpoints will hold higher, and we dont get any cloud cover to significantly inhibit max daytime heating. Now while it should be dry Sunday through Wednesday, and the NBM pops are around 10 percent, the reality is that we could se daily rounds of storms across the western to maybe central Panhandles. An upper trough over the Pacific Northwest looks to move in and could help nudge moisture in NM over to our western to central zones. And that could support not just a few storms, but possibly several rounds of storms. This could also suppress that heat concern that we previously discussed. Either way, the extended looks to be busy with heat risk concerns and/or some continued hydro concerns if we get daily rounds of storms. Weber && .AVIATION... (18Z TAFS) Issued at 1246 PM CDT Thu Jul 17 2025 MVFR/IFR categories look to continue at KGUY due to low clouds from residual showers/storms from this morning. Afternoon to evening convection could impact the TAF sites, and PROB30s have been noted to cover the best time that storms could develop. Otherwise VFR condition should prevail once the low clouds clear out (21-00z time frame), and once the thunderstorm threat ends (after 03z for KAMA, 06z for KDHT, 09z for KGUY). Weber && .AMA WATCHES/WARNINGS/ADVISORIES... TX...None. OK...None. && $$ SHORT TERM...89 LONG TERM....89 AVIATION...89