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Topic: SPC Jul 15, 2022 Day 4-8 Severe Weather Outlook (Read 42 times) previous topic - next topic

SPC Jul 15, 2022 Day 4-8 Severe Weather Outlook

SPC Jul 15, 2022 Day 4-8 Severe Weather Outlook

[html]Day 4-8 Outlook
     
Day 4-8 Outlook Image

Day 4-8 Convective Outlook 
NWS Storm Prediction Center Norman OK
0315 AM CDT Fri Jul 15 2022

Valid 181200Z - 231200Z

...DISCUSSION...
The upper-air pattern will beco*e more favorable for organized
severe storms beginning on Monday (day 4) and possibly into Tuesday
and Wednesday.  A mid-level anticyclone will remain situated over
the Four Corners through much of the extended period.  Model
guidance is converging on a scenario of a potent mid-level shortwave
trough cresting the mid-level ridge over MT into the Dakotas on
Monday and into the Upper Midwest/western Great Lakes on Tuesday
(day 5).  A plume of steep 700-500 mb lapse rates, a reservoir of
low-level moisture over parts of the Midwest, agreement/consistency
in models showing the strength and evolution of the aforementioned
mid-level disturbance, all co*bine to yield sufficient confidence in
the notion for a concentrated area of severe-wind producing
thunderstorms over parts of the Upper Midwest/western Great Lakes on
Tuesday (day 5).  Considerable uncertainty exists by the end of day
5 into day 6 to preclude any downstream highlights.


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Source: SPC Jul 15, 2022 Day 4-8 Severe Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/day4-8/)