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What effect might this have on Ivan's path? TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT THU 09 SEP 2004 ...DISCUSSION... GULF OF MEXICO... NEARLY STATIONARY MID/UPPER LEVEL TROUGH REMAINS OVER THE CENTRAL GLFMEX EXTENDING SWD FROM T.D FRANCES NOW OVER THE EASTERN UNITED STATES TO THE BAY OF CAMPECHE. STRONG SUBSIDENCE AND DRY AIR IN THE WESTERN FLANK OF THE TROUGH SUPPRESSING SHOWERS AND THUNDERSTORMS...SAVE A SMALL AREA IN THE SOUTHWESTERN CORNER. DISSIPATING STATIONARY FRONT FROM NORTHEASTERN CORNER OF AREA...TO THE NORTH CENTRAL PART...TO 25N96W IN THE WEST CENTRAL GULF WATERS. THE MID-UPPER RIDGE CURRENTLY OVER FLORIDA WILL BUILD WESTWARD PROVIDING AN IDEAL ENVIRONMENT FOR THE FORMATION OF CLOUDINESS AND SHOWERS/THUNDERSTORMS. MAIN BAND OF ACTIVITY IS EXPECTED TO EXTEND FROM CENTRAL FLORIDA TO THE COAST OF MEXICO NEAR TAMPICO BY FRI MORNING. A SURFACE TROUGH RUNS FROM 26N84W TO 23N87W TO 20N90W IN THE YUCATAN PENINSULA. |