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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.


Sunday, November 7, 2021

SPC Nov 7, 2021 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0130 PM CST Sun Nov 07 2021 Valid 072000Z - 081200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected across the contiguous United States today. ...20Z Update... No changes have been made to the ongoing forecast. ..Gleason.. 11/07/2021 .PREV DISCUSSION... /ISSUED 1026 AM CST Sun Nov 07 2021/ ...Pacific Northwest... Isolated low-topped thunderstorms will remain a possibility today along coastal portions of Washington and Oregon. This scenario is supported by modest moisture and steep mid-level lapse rates coincident with low-amplitude cyclonic upper flow. Buoyancy will be quite limited overall, but somewhat more stout updrafts, including the possibility of small hail, may occur through early/mid-afternoon along the Washington coast. Thunderstorm potential is likely to diminish into this evening/overnight as upper heights begin to build and mid-level temperatures warm. Read more LIVE:
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)