SPC Sep 4, 2022 0730 UTC Day 3 Severe Thunderstorm Outlook
[html]SPC 0730Z Day 3 Outlook
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0130 AM CDT Sun Sep 04 2022
Valid 061200Z - 071200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
The risk for severe thunderstorms appears negligible across the
U.S., Tuesday through Tuesday night.
...Discussion...
As one significant perturbation within the westerlies gradually
shifts east of the Canadian Northwest Territories and Prairies, and
another more co*pact impulse slowly approaches the southern British
Columbia/Pacific Northwest coast, models indicate that broad
mid-level ridging centered over the Great Basin will expand and
build further during this period. Downstream, weaker mid-level
troughing is forecast to advance southeast of the New England coast
and Canadian Maritimes, acco*panied by the leading edge of more
substantive lower/mid-tropospheric cooling and drying. Otherwise,
seasonably moist conditions will persist to the south of the frontal
zone, and south through east of weak positively tilted mid-level
troughing lingering along an axis from the lower Ohio through lower
Mississippi Valleys into the northwestern Gulf coast. This
environment probably will again beco*e supportive of scattered to
numerous thunderstorms on Tuesday, particularly during the afternoon
and evening. Some of these could be acco*panied by gusty winds, but
probabilities for severe storms appear generally negligible (less
than 5 percent).
..Kerr.. 09/04/2022
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Source: SPC Sep 4, 2022 0730 UTC Day 3 Severe Thunderstorm Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day3otlk_0730.html)