SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 PM CST Mon Jan 04 2021 Valid 050100Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected tonight. ...Northern Great Basin... Strong short-wave trough has moved inland and currently extends from western OR into northeast CA. This feature will spread across the Great Basin tonight which will result in a surface front surging into eastern ID/northern UT/central NV after 06z. Deep convection, with some lightning, has been noted ahead of this feature over northern CA over the last few hours. However, deeper convection is now developing downstream, east of the Sierra Nevada, in association with large-scale forcing. It appears isolated thunderstorms may spread farther inland than earlier anticipated, so 10 percent thunder line will be adjusted to account for this evolution. ..Darrow.. 01/05/2021
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