


Area Forecast Discussion
Issued by NWS Wichita, KS
Issued by NWS Wichita, KS
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104 FXUS63 KICT 172023 AFDICT Area Forecast Discussion National Weather Service Wichita KS 323 PM CDT Tue Jun 17 2025 .KEY MESSAGES... - Severe storm and flooding potential through this evening. - Increasing heat/humidity late week and through the weekend. && .DISCUSSION... Issued at 322 PM CDT Tue Jun 17 2025 The main forecast concern is severe thunderstorm and flooding potential through this evening. Thunderstorm activity is currently ongoing generally along the Highway 56 corridor within a zone of strong 850-700mb warm advection and in vicinity of an old outflow boundary slowing sagging south. In the short-term this activity will pose a marginally severe hail/wind threat, along with very heavy rainfall and flooding concerns. As we head into the late afternoon and evening, we`re watching the potential for this current activity to gradually sink south- southeast and possibly strengthen as these storms encounter a more unstable environment amidst impressive vertical shear for mid-June standards. The best near-surface based instability and low-level convergence looks to be near the KS/OK border on south in vicinity of a stalled frontal zone, which could be the greatest potential for higher-end severe weather through the evening in the form of very large hail, damaging winds, and possibly a tornado or two, especially if an HP supercell or two can manage to develop ahead of the approaching upscale growth. However, activity currently approaching from the west-northwest could gradually strengthen as well as we head into early evening, as instability continues to increase amidst a favorable shear profile. The primary risks will be damaging winds and perhaps large hail, although given the impressive low-level shear north of the frontal zone can`t rule out a tornado or two, especially if the airmass can become rooted closer to the boundary layer. After this first round of thunderstorms pushes through late this afternoon and early evening, short-term guidance supports another round of storms coming moving in from the west-northwest early to mid-evening, with a continued threat for damaging winds and perhaps some large hail. Thinking the severe threat should exit southeast Kansas by around midnight. Additionally, given the rainfall last into early today, along with multiple rounds through this evening, areas of flash flooding and river flooding are likely, especially generally along and south of the Highway 56 corridor. Quiet weather looks to return Wednesday, with seasonable temperatures mostly in the 80s. As we head into late week and this weekend, building upper ridging will support increasing summer heat, with highs in the 90s to possibly near 100 degrees expected. Given the wet antecedent conditions, humidity will likely be an issue as well, increasing the potential for 100-105+ degree heat indices. && .AVIATION /18Z TAFS THROUGH 18Z WEDNESDAY/... Issued at 1258 PM CDT Tue Jun 17 2025 In the immediate short term, ongoing thunderstorms are the concern which have focused along a mid level boundary. They have generally stayed between the TAF sites but could encroach on a couple which is why tempo groups were utilized. Amendments may be needed given the ongoing activity. This is a complicated forecast in trying to determine the timing and location for the next round for many sites which could become more surface based. There could be a longer stretch of time with continued showers and storms. Severe storms with up to baseball sized hail and wind gusts to 80 mph are still a possibility, but it depends on the response in the environment. The best chances are for KHUT and KICT to see severe storms. Changes are likely to the forecast given observational trends. Precipitation should shift to the east tonight into Wednesday morning. Clouds should push east as well with better flying conditions anticipated for Wednesday. && .ICT WATCHES/WARNINGS/ADVISORIES... Flood Watch through Wednesday afternoon for KSZ032-033-047>053- 067>072-082-083-091>096-098>100. && $$ DISCUSSION...ADK AVIATION...VJP