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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 30, 2024

SPC Oct 30, 2024 0100 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 0100Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0746 PM CDT Tue Oct 29 2024

Valid 300100Z - 301200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorm development may occur early Wednesday morning across
parts of the southern/central Plains into the Upper Mississippi
Valley.

...Synopsis...
A pronounced mid-level trough over the Rockies will continue to
progress eastward toward the Plains tonight. In advance of the
mid-level trough, broad surface lee troughing is taking place across
the central U.S., where an intense (50-60kt) low-level jet is
expected to develop, leading to ample northward low-level
warm-air/moisture advection through the remainder of the period.
Given the gradual approach of favorable upper-level support,
thunderstorm initiation has become more questionable before 12Z.
Nonetheless, thunder probabilities have been maintained in the event
that thunderstorms can develop atop a moist boundary layer.
A couple of lightning flashes also cannot be ruled out over portions
of the TX Gulf Coast given onshore advection of rich low-level
moisture.

..Squitieri.. 10/30/2024


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