SPC Mar 22, 2018 0100 UTC Day 1 Convective Outlook

By Newsroom America Feeds at 21 Mar 2018

SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0759 PM CDT Wed Mar 21 2018 Valid 220100Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms will continue this evening across parts of central and northern California and the Great Basin. ...Discussion... Evening raobs, convective/lightning behavior, and latest satellite and surface observations all confirm prior expectations for limited heating, and thus meager CAPE to persist through the afternoon and into the evening across the northern Central Valley of California. Despite the limited CAPE, strong low-level and deep-layer shear is indicated across the region. This has allowed a few organized/rotating low-topped storms to evolve, in a narrow band near and to the north of Sacramento. Radar-indicated updraft circulations suggest that funnel clouds -- or perhaps a very brief/weak tornado -- may occur over the next 1-2 hours until storms diurnally weaken. However, very limited potential -- both in terms of intensity and areal coverage -- does not appear to warrant introduction of a risk area. ..Goss.. 03/22/2018 Read more

http://www.spc.noaa.gov/products/outlook/day1otlk_0100.html

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