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.


Thursday, December 2, 2021

SPC Dec 2, 2021 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1056 AM CST Thu Dec 02 2021 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk of severe thunderstorms appears negligible Friday through Friday night, but a low probability of thunderstorms may develop across parts of the southern Great Plains into the lower Mississippi Valley vicinity. ...Synopsis... A stagnant weather pattern will persist across much of the CONUS, with strong mid/upper west/northwesterly flow stretching from the Pacific Northwest toward the Mid-Atlantic. In southern stream flow, a weak upper shortwave perturbation will drift eastward from southern CA toward the Four Corners vicinity. At the same time, another mid/upper shortwave impulse will lift east/northeast across TX to the lower MS Valley. Weak surface low pressure will drift east across the southern Plains in response to the series of southern stream mid/upper shortwave troughs, resulting in southerly low level flow and northward transport of Gulf moisture across TX toward the Arklatex/lower MS Valley vicinity. Steepening midlevel lapse rates will allow for weak destabilization from parts of central/eastern TX toward to Ozarks. Much of this instability will remain elevated, confined above a stout warm layer around 1-2.5 km. Combined with modest effective shear, severe potential is expected to remain low, though a few thunderstorms are possible, mainly after 00z. ..Leitman.. 12/02/2021 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)