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Area Forecast Discussion
Issued by NWS Grand Forks, ND
Issued by NWS Grand Forks, ND
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733 FXUS63 KFGF 060256 AFDFGF Area Forecast Discussion National Weather Service Grand Forks ND 956 PM CDT Fri Jul 5 2024 .KEY MESSAGES... Daily shower/storm chances continue this weekend. Severe thunderstorms are unlikely at this time. && .UPDATE... Issued at 954 PM CDT Fri Jul 5 2024 Showers and thunderstorms continue to diminish this evening. This will continue over the next hour or so. In its wake, mid- level stratus may linger across the area from dying cells but impacts will be minimal. UPDATE Issued at 606 PM CDT Fri Jul 5 2024 Scattered showers and isolated thunderstorms continue across the region with slow forward motion. Impacts will continue to be primarily lightning as shear is garbage and instability is minimal. These will come to an end after sunset. && .DISCUSSION... Issued at 303 PM CDT Fri Jul 5 2024 ...Synopsis... Broad upper level troughing in place across the region with a persistence pattern of diurnal convection currently ongoing. Little organization as bulk deep layer shear only around 5-10kts. Therefore brief heavy rain, lightning and gusty winds the main threats with any stronger cells. Current activity should wane as daylight diminishes this evening. While daily shower/storm chances to persist through the weekend with the passage of the shortwave trough aloft. Weak WAA and trough axis in place should allow for an increase in coverage of the precipitation chances especially across the south Saturday and the east into Sunday as the wave slowly rotates through the Dakotas/Minnesota this weekend. Deep layer shear to remain weak, therefore overall storm organization and threat for severe weather is unlikely. Brief heavy rain still a potential for stronger cells with slower storms motions expected. Overall little threat for flooding though, unless some stronger cells move over the same area, especially if an urban area. Upper level troughiness that has been in place across the region begins to move east through next week, with western US ridging building eastward into the central US through the end of the week. This should allow for a warming across the area through the week, with a shift toward drier conditions toward the end of next week. Therefore increased and humidity can be expected by the end of the week. && .AVIATION /00Z TAFS THROUGH 00Z SATURDAY/... Issued at 606 PM CDT Fri Jul 5 2024 The primary aviation impact over the next few hours will be showers and thunderstorms, but right now the only sites at risk are BJI and FAR. After 05z, thunderstorms should diminish and mostly clear skies will be left in its wake overnight. Winds will remain fairly light and variable through the TAF period with VFR conditions prevailing. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...None. MN...None. && $$ UPDATE...Perroux DISCUSSION...MJB AVIATION...Perroux