LIVE MAP (ABOVE) ... SPC 1300Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0721 AM CDT Wed Oct 23 2024
Valid 231300Z - 241200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are unlikely through tonight.
...Upper OH Valley into western NY this evening...
A midlevel shortwave trough over the upper MS Valley this morning
will progress east-southeastward to NY/PA and the Mid-Atlantic by
the end of the period. Ascent preceding the midlevel trough and an
associated surface cold front could support some shallow convective
showers late this afternoon/evening from northeast OH to western NY.
However, marginal low-level moisture and minimal buoyancy suggest
that thunderstorms are unlikely.
...Northern AR to central OK this afternoon...
Boundary-layer dewpoints near 60 F and surface heating will drive
surface-based buoyancy this afternoon along a slow-moving front from
northern AR into central OK. Thermodynamic profiles suggest some
potential for deep convection, but forcing for ascent will remain
shallow/weak at best. Overall, thunderstorm potential appears too
limited for an outlook area.
..Thompson/Goss.. 10/23/2024
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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)
Wednesday, October 23, 2024
SPC Oct 23, 2024 1300 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)