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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, January 15, 2023

SPC Jan 15, 2023 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1151 PM CST Sat Jan 14 2023 Valid 151200Z - 161200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe weather is not expected today. ...Discussion... A broad zone of cyclonic flow aloft will cover much of the western and central U.S. today, as a short-wave trough moves quickly across the southern Rockies and into the central Plains, and a second -- over the eastern Pacific -- reaches the West Coast overnight. Meanwhile, downstream ridging will shift gradually eastward across the eastern States. At the surface, a central High Plains low will progress northeastward across the central Plains, reaching the Mid Missouri Valley vicinity late. A second low is forecast to move into central California overnight. Showers -- and possibly a few sporadic lightning flashes -- will accompany the progression of the aforementioned/lead short-wave trough across the Four Corners area through the day, and then with some possible/elevated convection developing across the Mid Missouri Valley area late. Meanwhile, showers -- and possibly a few lightning flashes -- will also occur across portions of California, ahead of the eastern Pacific trough. Overall, however, it currently appears that coverage of any lightning will remain below 10% across these areas. Elsewhere, thunderstorms are not expected. ..Goss/Bentley.. 01/15/2023 Read more CHECK UPDATE ZOOM GRAPHIC
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)