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Area Forecast Discussion
Issued by NWS Wichita, KS
Issued by NWS Wichita, KS
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404 FXUS63 KICT 281730 AFDICT Area Forecast Discussion National Weather Service Wichita KS 1130 AM CST Fri Feb 28 2025 .KEY MESSAGES... - High to very high fire danger this afternoon - Showers and storms Sunday - Sunday night - Showers/storms Tuesday; Wintry mix possible Tuesday night && .DISCUSSION... Issued at 242 AM CST Fri Feb 28 2025 As of 230 AM Friday morning, northwesterly midlevel flow was present across central and northern Plains with a shortwave trough diving across the Great Lakes region. An attendant surface trough axis extends from northern MN through southwestern SD. Transitioning into the daytime hours today, surface winds will gradually veer to the west with the approaching trough axis and then ultimately to the northwest. Downslope flow during the late morning and early afternoon will contribute to temperatures surging near 70 for most locations with southern KS approaching 75. The airmass across western KS/NE is quite dry with dew points in the single digits and teens. This dry airmass will initially spread across portions of central KS later this morning before the cold front shunts the driest air to the southwest of the forecast area. By afternoon dew points in the 20s will be common across much of the area. In addition, short range forecast guidance is quite consistent with the strongest low-level winds approaching the I-70 corridor after 3 PM with gusts between 25-30 MPH likely. The strongest winds will be short lived as diurnal cooling will subside gusts with sunset. As such, the duration of very high fire danger is 3-5 hours across central KS. Temperatures will tumble back into the low to mid 30s by Saturday morning. Shortwave midlevel ridging will overspread the region Saturday into Sunday ahead of the next shortwave trough. This will allow temperatures to rebound into the 50s Saturday afternoon. This shortwave trough will lift across the forecast area Sunday into Sunday night. This should yield an area of rainfall overspreading the area late Sunday afternoon into Sunday night. Midlevel lapse rates are progged to steepen up to 8 C/km late Sunday, which could allow for a few thunderstorms as well. Southwesterly midlevel flow will persist into early next week ahead of an even stronger midlevel trough poised to eject into the central/southern Plains Tuesday. This will set the stage for multiple weather concerns Tuesday afternoon into Tuesday evening. To begin with, a surface low will emerge across southeast CO early Tuesday morning and progress eastward into the afternoon. By early afternoon this surface low is progged to be located in the vicinity of north central OK or south central KS. A sharp dryline will extend south from the low. Depending on its exact location, fire weather concerns may increase Tuesday afternoon for mainly south central KS. Next, strong WAA ahead of the surface low will usher in dew points in the 50s or low 60s across southeast KS. This may support thunderstorm development along the dryline Tuesday afternoon. Finally, deformation precipitation is expected on the backside of the midlevel trough Tuesday evening into Tuesday night across a majority of the area. Thermal profiles may cool enough for a rain/snow mix as well. Stay tuned. Midlevel ridging will build across the central US for the middle of next week. This will set the stage for quiet weather and temperatures in the 50s. && .AVIATION /18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1111 AM CST Fri Feb 28 2025 VFR conditions are expected throughout this TAF period. Winds have started to increase and shift to the northwest. Northwest winds will gust up to 25 kts with the strongest gusts at RSL, GBD, and SLN. Wind speeds will diminish around sunset. Winds will start to shift to the east after 10z, mainly at RSL, GBD, and HUT. && .FIRE WEATHER... Issued at 242 AM CST Fri Feb 28 2025 Very high fire danger is expected this afternoon across mainly central KS. Afternoon humidity values are forecast to drop near 20 percent. A cold front will shift winds from the west to the northwest by midday with the strongest winds arriving to central KS after 3-4 PM when gusts up to 30 MPH are possible. Fortunately this overlap of strong winds and low humidity is only expected for 3-5 hours as wind speeds will rapidly decrease with sunset this evening. High to very high fire danger is possible Sunday as low humidity and gusty south winds overlap across mainly central and south central KS. Additional fire weather concerns increase Tuesday afternoon as a strong storm system moves into the central Plains. && .ICT WATCHES/WARNINGS/ADVISORIES... None. && $$ DISCUSSION...BRF AVIATION...GC FIRE WEATHER...BRF