SPC 0700Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1140 PM CST Mon Jan 11 2021 Valid 131200Z - 141200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected over the U.S. mainland on Wednesday. ...Discussion... The southern-stream shortwave trough over northern Mexico as of late Monday evening will deamplify as it moves from LA early Wednesday to off the southeast Atlantic Seaboard by 12Z Thursday. No accompanying cyclone development is forecast to occur in association with this feature, and offshore flow over the Gulf of Mexico will maintain a dry and stable boundary layer inland. While some shallow mid-level convection supported by steepening mid-level lapse rates and ascent might occur over a portion of the Gulf Coast States, prospects for thunderstorms appear limited. Elsewhere, showers will likely occur in vicinity of and north of a quasi-stationary front that will be situated across deep south FL. However, the unstable layer is not expected to become sufficient to support a substantial risk for thunderstorms. ..Dial.. 01/12/2021
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