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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Saturday, October 16, 2021

SPC Oct 16, 2021 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1202 PM CDT Sat Oct 16 2021 Valid 171200Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Little thunderstorm activity is expected across the U.S. on Sunday. ...Synopsis... A stable pattern will exist across most of the CONUS on Sunday with a large area of high pressure over the Rockies and Plains spreading eastward to the Gulf and Atlantic Coasts. As a large upper trough swings east across the northeastern states, a cold front will quickly exit eastern ME Sunday morning, with southern parts of the front moving across south FL during the day. While moist, a midlevel subsidence inversion will exist over FL, resulting in mainly shallow convection with little lightning. However, isolated convection deep enough for lightning cannot be ruled out over far southern FL/Keys during the late afternoon. Elsewhere, an amplified shortwave trough will approach the Pacific Northwest near 00Z, with strong cooling aloft. Very weak instability is forecast, with any convection most likely over the ocean. ..Jewell.. 10/16/2021 Read more LIVE: spc.noaa.gov
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