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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.

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Friday, October 2, 2026

SPC Oct 2, 2026 1630 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1630Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1122 AM CDT Fri Oct 02 2026

Valid 021630Z - 031200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorm potential should remain low through tonight.

...Synopsis and Discussion...
An upper trough will continue progressing eastward across the
Northeast and Mid-Atlantic today, as a surface cold front advances
east-southeastward over these regions and the Southeast/southern
Plains through the period. 12Z observed soundings ahead of the front
from the Mid-Atlantic to Southeast show very poor lapse rates aloft
(i.e., 700-500 mb lapse rates of 4-5.5 C/km), which will likely
limit the development of any more than weak instability and hinder
overall updraft strength. While locally gusty winds could still
occur with low-topped showers/thunderstorms across the Mid-Atlantic
given the presence of modestly enhanced low/mid-level
west-southwesterly flow, the potential for organized clusters
capable of producing severe/damaging winds still appears low. Weaker
flow across the TN Valley and central Gulf Coast states will limit
updraft organization, but marginally greater instability should
support isolated to scattered thunderstorm coverage through the
afternoon along/ahead of the cold front.

..Gleason/Lyons.. 10/02/2026


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