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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).

Thursday, October 21, 2021

SPC Oct 21, 2021 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0106 AM CDT Thu Oct 21 2021 Valid 221200Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER A PORTION OF EASTERN NORTH CAROLINA... CORRECTED TO REMOVE 5% LABEL FROM WIND GRAPHIC ...SUMMARY... A few storms might produce locally strong to damaging wind gusts over a portion of eastern North Carolina during the afternoon. Some risk for marginally severe hail will exist late Friday night with any storms developing across northeast Oklahoma and southern Kansas. ...Eastern North Carolina... Thunderstorms are expected to develop across eastern NC during the afternoon and early evening along a cold front. Moderate instability with up to 1200 J/kg MLCAPE and 35-40 kt effective bulk shear should characterize the pre-frontal warm sector. A few storms might become capable of producing locally strong to damaging wind gusts. Weak mid-level lapse rates and modest winds in the surface-850 mb layer might serve as overall limiting factors. ...Central and southern Plains area... A few elevated thunderstorms will be possible within a weak warm advection regime Friday morning across southern OK and northwest TX. A somewhat better chance for thunderstorms will exist later Friday night across southern KS, northeast OK and southwest MO. Other than a low-end risk for small to marginally severe hail, primarily across southern KS, no severe weather is expected. ..Dial.. 10/21/2021 Read more LIVE: spc.noaa.gov