|
|
|||||||
11:00 am discussion <<<<ISIDORE WAS MOVING 180/5...BUT RECENT VISIBLE IMAGERY SUGGESTS THAT MOTION HAS CHANGED TO AN EASTWARD DRIFT...POSSIBLY AS PART OF A LOOP. WATER VAPOR IMAGERY INDICATES AN UPPER-LEVEL LOW OVER SOUTH TEXAS ALONG WITH A DEVELOPING TROUGH OVER THE CENTRAL UNITED STATES. THIS...COMBINED WITH INCREASING RIDGING FORECAST BY THE LARGE-SCALE MODELS TO THE EAST OF ISIDORE...SHOULD TURN THE CYCLONE NORTHWESTWARD IN 12-24 HR AND NORTHWARD BY 72 HR. TRACK GUIDANCE IS IN INCREASING AGREEMENT ON THIS SCENARIO...WITH THE GREATEST DIFFERENCES COMING IN SPEED. THE GFDL IS THE FASTEST...CALLING FOR LANDFALL ALONG THE NORTHERN GULF COAST IN 72 HR. GIVEN THE LACK OF STRONG TROUGHING WEST OF ISIDORE...THIS APPEARS TO BE TOO FAST. THE OFFICIAL FORECAST WILL BE SLOWER...SIMILAR TO BUT MOVED SLIGHTLY EAST OF THE PREVIOUS TRACK TO ACCOUNT FOR THE INITIAL POSITION.>>>> Intensity models are decreasing due to the collipse of the core wall and projections for it to weaken to minimal TS strength prior to getting back over water....... forecasted to 90k in 72 hours |