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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).

Friday, October 29, 2021

SPC Oct 30, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0736 PM CDT Fri Oct 29 2021 Valid 300100Z - 301200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible this evening from parts of the Mid-Atlantic northeastward into far southern New England. Isolated storms may also develop tonight in parts of northwest California and southeast Oregon. No severe threat is expected. ...DISCUSSION... An upper-level low will move slowly northeastward across the southern Appalachians this evening and tonight as a shortwave trough moves northward along the Mid-Atlantic. At the surface, an associated warm front will move northeastward along the Mid-Atlantic coast. Thunderstorm development will be possible this evening in the vicinity of the front and southward across a moist airmass in parts of Maryland and northeastern Virginia. Elsewhere, a few thunderstorms will be possible across northwest California and southwest Oregon as an upper-level trough approaches tonight. Instability across the continental United States will be too weak for a severe threat. ..Broyles.. 10/30/2021 Read more LIVE: spc.noaa.gov
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