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Area Forecast Discussion
Issued by NWS Wichita, KS
Issued by NWS Wichita, KS
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504 FXUS63 KICT 040756 AFDICT Area Forecast Discussion National Weather Service Wichita KS 256 AM CDT Thu Jul 4 2024 .KEY MESSAGES... - Ongoing storms continue to move eastward into eastern KS - Chance for additional storms this afternoon/evening - Heat indices near 105 this afternoon across southeast KS - Seasonal temperatures Friday and beyond with multiple rain chances over the next 7 days && .DISCUSSION... Issued at 252 AM CDT Thu Jul 4 2024 As of 3 AM, a decaying MCS was progressing across eastern KS. Satellite trends over the past hour or so reveal warming cloud tops and a decreasing in the threat for severe weather. Additional showers and storms have developed within a broad zone of low to midlevel WAA across western KS. This activity may make an attempt to move into central KS later this morning. The main challenge through the short term period is the position of the outflow boundary/effective front for afternoon/evening storm potential and heat concerns. At this time, the effective front extends from Cowley County into northeast KS. Festering convection along the boundary should continue to reinforce the cold pool and slowly push the boundary southward. Latest short range ensemble and deterministic guidance suggests the effective front will progress into northeast OK into southern MO. This scenario would decrease the potential for severe storms, though not complete eliminate the threat. Should the front stall in southeast KS, the strongest storms would be capable of damaging winds up to 70 mph and heavy rain. In regards to heat concerns, the southern trend with the frontal position would keep air temperatures cooler and in the low to mid 90s. Unfortunately, that doesn`t rid of the potential for excessive heat. Reduced mixing immediately behind the boundary will likely see dew points surge back into the mid to upper 70s. Combining these 2 would result in heat indices near 105 from southern Chautauqua through Labette counties. Short term trends will need to be monitored this morning to determine if a heat advisory is needed. Dry conditions are forecast to return tonight into Friday as surface ridge slides into the area. Increasing WAA late Friday night into Saturday morning combined with a northern stream shortwave trough progressing across the northern Plains may yield a few showers and storms. This WAA pattern will continue into Saturday and may allow for showers/storms to continue through the daytime hours. Transitioning into Sunday and beyond, northwesterly midlevel flow will become established with a series of shortwave trough axis` moving across the Plains into next week. This will result in the continuation of the active precipitation pattern and seasonal temperatures. && .AVIATION /06Z TAFS THROUGH 06Z FRIDAY/... Issued at 1239 AM CDT Thu Jul 4 2024 A line of strong to severe storms is progressing eastward is packing a punch tonight from KSLN down to KPTT as of 06Z. Several reports of 50 to 70-knot wind gusts have occurred, and this line of storms will continue to move eastward quickly. Significant impacts to aviation concerns are expected within the first couple of hours at KHUT. It is highly uncertain if KICT will get severe winds, but if it does, it will likely arrive by 08-09Z. KCNU and surrounding areas will likely see hit-or-miss storms for the next several hours. It is uncertain if this line of storms will impact KCNU directly at this time. Aside from thunderstorm activity, a frontal boundary will pass through the area starting around 12Z. Southeasterly winds will gradually shift to northerly throughout the day. The front will be located across southeast Kansas later this afternoon, and additional thunderstorm development is possible to impact KCNU and surrounding areas this afternoon as a result. && .ICT WATCHES/WARNINGS/ADVISORIES... Flood Watch until 10 AM CDT this morning for KSZ070>072- 094>096. && $$ DISCUSSION...BMB AVIATION...JC