ECMWF ensemble mean for DFW on 4/28 shows 850mb temps supporting surface highs >75°F. GFS deterministic output aligns at 78°F. Strong warm advection confirms above 73°F. 92% NO — invalid if significant cold frontal passage accelerates.
ECMWF ensemble mean for DFW on 4/28 shows 850mb temps supporting surface highs >75°F. GFS deterministic output aligns at 78°F. Strong warm advection confirms above 73°F. 92% NO — invalid if significant cold frontal passage accelerates.