Administrators NorthGeorgiaWX Posted December 19, 2023 Administrators Share Posted December 19, 2023 SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1113 PM CST Mon Dec 18 2023 Valid 191200Z - 201200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms are possible across northern California. ...California... An area of modest midlevel height falls will spread south along the CA Coast and adjacent offshore areas as an upper low digs to near 36N/127W by the end of the period. While the primary surface front should not advance inland, weak boundary-layer heating should contribute to weak surface-based buoyancy across portions of northern CA within favorable high-level diffluent flow aloft. Forecast soundings exhibit SBCAPE around 200 J/kg by early afternoon which may be adequate for lifted parcels to approach levels necessary for lightning discharge. Later in the period, near-frontal convection will approach the CA Coast, and this activity may also pose some risk for lightning within the more robust updrafts, although it too should remain rather isolated. ..Darrow/Squitieri.. 12/19/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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