Temps | Gusts | WU KORD KPWK

CLICK for this month's BIG night sky ...




Cardinal SAT


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.


Monday, July 19, 2021

SPC Jul 19, 2021 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0353 AM CDT Mon Jul 19 2021 Valid 221200Z - 271200Z ...DISCUSSION... Upper ridging is expected to build across the western CONUS on D4/Thursday and D5/Friday and then persist through the weekend. At the same time, a series of shortwave troughs are forecast to move across Ontario/Quebec and the adjacent Northeast CONUS, helping to maintain broadly cyclonic flow aloft across much of the eastern CONUS. Stronger mid-level flow will accompany these shortwaves moving, resulting in the potential for more organized storms if enough buoyancy is present. However, predictability of the timing of these shortwaves is low, as is the predictability of how buoyant the air mass will be as the shortwaves move through. As such, forecast confidence is too low to outlook any areas. 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)