May 18, 2013
Latest Medium Range Guidance Suggest Significant Troughing Will
Occur Across The Wrn U.S. Early Next Week.
There Is Considerably Discrepancy Between The Ecmwf And Gfs Regarding The Possibility Of A Closed Low Digging Into Nrn Mexico...Ecmwf...Or A More Progressive Long Wave Trough Ejecting Across The Cntrl/Srn Rockies Into The Srn High Plains Tuesday...Gfs.
If The More Progressive Nrn Solution Occurs There Is Some Possibility That A Narrow Axis Of Moisture/Instability Could Return Across The Lower Ms Valley For Potential Thunderstorm Development.
At This Time There Is Too Much Uncertainty Regarding The Evolution Of This Feature To Accurately Predict Convection...Much Less Organized Severe.
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