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1237 PM EDT Wed Jul 17 2024
.AVIATION...

Secondary cold front tied to an upper trough dropping out of Canada
works across the region this afternoon-evening generating scattered
showers. While some thunder is possible, and has been observed over
late morning activity over northern lower MI, confidence in
occurrence over a terminal is not high enough to include mention in
running TAFs. Upped the Detroit terminals to Tempos given
radar/satellite trends over central MI showing showers already
developing around Lansing. Front clears the area by roughly 00Z this
evening ushering in a cooler, drier airmass. MVFR stratus currently
dropping south from northern Great Lakes will work into SE MI
overnight however latest model trends suggesst that the will be just
enough dry air to result in SCT coverage over BKN.

For DTW/D21 Convection...Scattered showers develop this afternoon as
a secondary cold front approaches. Isolated thunder is likely within
this activity though coverage is limited in such that confidence
isn't high enough to include mention in TAF.

DTW THRESHOLD PROBABILITIES...

* Low in thunderstorms this afternoon.

* Medium in ceilings aob 5000ft tonight.

TAF Dashboard (AWC)

803 FTUS43 KDTX 172006 AAA TAFDTW TAF AMD KDTW 172006Z 1720/1824 33009KT P6SM BKN060 FM180100 33007KT P6SM SCT050 FM180700 35005KT P6SM SCT030 FM181600 35009KT P6SM SCT060=