Windy.com Temps | Gusts | WU KORD KPWK

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

RADAR FULL MAP SCREEN

NEXRAD

STORMTRACK

Cardinal SAT

CHGOWX.COM



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.

ARLINGTON HEIGHTS WEATHER

Wednesday, October 12, 2022

SPC Oct 12, 2022 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1251 AM CDT Wed Oct 12 2022 Valid 121200Z - 131200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE MID-MISSISSIPPI VALLEY... ...SUMMARY... Thunderstorms, capable of damaging winds and hail, are expected this afternoon through the early evening across parts of the Mid-Mississippi Valley. ...Synopsis... A strong upper-level trough will amplify across the northern Plains today. At the surface a strong cold front will extend from the western Great Lakes to the Ozarks Wednesday morning and from the eastern Great Lakes to the mid-South by Thursday morning. Strong to severe storms are possible along and ahead of this front this afternoon into the early overnight hours from the Ohio Valley to the mid-South. ...Mid-Mississippi Valley... The airmass will be very dry to start the day across the Mid-Mississippi Valley, but surface dewpoints will increase rapidly through the morning as low-level flow strengthens and brings 60s dewpoints northward. This will result in increasing instability by mid-afternoon as temperatures increase into the 80s south of the decaying overnight convection across the Lower Ohio Valley. A few supercells may develop on the southern end of this decaying activity during the afternoon. Low-level flow will be relatively weak ( CHECK UPDATE ZOOM GRAPHIC
http://dlvr.it/SZx0JZ
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)