Based on Maria's 11 am position (18.4°N, 66.5°W) over northern Puerto Rico almost between Arecibo and San Juan, there is little change in the probability of landfall based on the historic data set and the data set adjusted for the current synoptic pattern. It appears that Maria will likely find a weakness in the ridging to its north-northeast somewhere in the vicinity of 72.5°W-73.5°W. This scenario is consistent with the 9/28 0z run of the ECMWF. The ECMWF has displayed consistently superi