SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1126 PM CST Thu Feb 27 2025 Valid 281200Z - 011200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm probabilities are very low Friday. ...Discussion... Large-scale pattern is not expected to favor appreciable moistening/destabilization through 01/12z as a dominant upper trough settles south across the Great Lakes/OH Valley region. This feature will not prove favorable for Gulf moisture to advance inland as west-northwesterly flow should prevail through the period. Farther west across southern CA, a notable upper low is forecast to dig southeast, just off the southern CA Coast, as a strong 500mb speed max translates toward the northern Baja Peninsula. While profiles will cool, and mid-level lapse rates steepen, scant moisture should be noted with this system across inland southern CA. Forecast soundings suggest the most-buoyant parcels will struggle to exhibit enough instability to warrant any meaningful risk for deep convection capable of generating lightning. For these reasons thunderstorms will not be forecast today. ..Darrow/Squitieri.. 02/28/2025Read more
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