LIVE MAP (ABOVE) ... SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0636 PM CST Sat Feb 08 2025
Valid 090100Z - 091200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated thunderstorms may be noted early this evening.
...01z Update...
Low-amplitude short-wave trough is ejecting across the Great
Lakes/Ohio Valley region early this evening. Primary corridor for
large-scale ascent is now focusing across the upper OH Valley into
the northern Middle Atlantic, as LLJ strengthens ahead of the short
wave. Widespread precipitation is noted within the warm advection
zone but elevated convection is gradually weakening, and only a few
flashes of lightning may be noted for the next few hours along the
nose of the LLJ. Additionally, shallow weak convection is currently
observed along the trailing cold front across KY into TN, but this
activity has struggled to attain heights necessary for lightning.
This activity will likely remain too shallow the rest of tonight for
any meaningful risk for thunderstorms. 01z adjustments will reflect
lower confidence in lightning, thus severe probabilities will be
removed.
..Darrow.. 02/09/2025
Read more CHECK UPDATE ZOOM GRAPHIC
http://dlvr.it/THsjPb
Windy.com Temps | Gusts | WU KORD KPWK |
CLICK for this month's BIG night sky ... | RADAR FULL MAP SCREEN |
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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.
CONVECTIVE | TORNADO | WIND | HAIL
O'Hare International Airport KORD
(Arlington Heights South)
Chicago Executive Airport KPWK
(Arlington Heights North)
Saturday, February 8, 2025
SPC Feb 9, 2025 0100 UTC Day 1 Convective Outlook
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)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)