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000 FXUS64 KLIX 261006 AFDLIX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 406 AM CST THU NOV 26 2009 .SHORT TERM... EUROPEAN AND AMERICAN SUITES ARE INITIALIZING VERY WELL THIS MORNING AND COINCIDENTALLY...THEY ARE SHOWING THE SAME SOLUTIONS WITH RESPECT TO THE NEXT SYSTEM. UPPER LINEAR TROUGH WILL SHEAR AS IT MOVES INTO THE CENTRAL PLAINS CUTTING OFF AN UPPER LOW BACK OVER ARIZONA AND NEW MEXICO BY SUNDAY EVENING. THE COLD FRONT AND NORTHERN EXTENTION OF THE UPPER TROUGH WILL CONTINUE MOVING EAST BUT THE FRONT WILL SLOW AND STALL WITH TIME NEAR THE NORTHERN GULF COAST BY MONDAY NIGHT. A FAIRLY STRONG SFC LOW DEVELOPS IN THE NORTHWEST GULF DUE TO THE STRONG BAROCLINICITY AND MOVES NE ALONG THE OLD BOUNDARY CROSSING INTO SE LA TUE NIGHT INTO WED MORNING. THE CUT OFF UPPER LOW WILL BE IN CLOSE PURSUIT. THIS SYSTEM LOOKS TO MOVE VERY QUICKLY THROUGH THE AREA. THE UPPER LOW IS OVER EAST TX WED MORNING AND MOVES ENE INTO THE KENTUCKY AREA BY WED EVENING AS IT WILL OPEN UP INTO AN EVEN STRONGER AND EXTENSIVE UPPER TROUGH. THIS SHOULD MOVE SOME OF THE COLDEST AIR OF THE SEASON INTO THE AREA BY THE END OF NEXT WEEK. SOME TS ACTIVITY MONDAY AFTERNOON AND EVENING BUT SEVERITY NOT EXPECTED. ONCE THE SFC LOW DEVELOPS AND MOVES INTO THE AREA TUE NIGHT NUMBERS ARE NOT VERY IMPRESSIVE AT MOST LOCATIONS FOR SEVERITY BUT ONCE ACROSS THE FRONTAL AXIS INTO THE WARM SECTOR THIS CHANGES. OBVIOUSLY WITH THIS SYSTEM...WHO GETS SEVERE WEATHER WILL DEPEND ON WHERE THE SFC LOW TRACKS. THIS LOOKS TO BE THE SE MOST AREA OF LA (SOUTHERN MOST EXTENT OF PLAQUEMINES PARISH)ATTM. SEVERE WX NUMBERS ARE MUCH BETTER OVER THE GULF COASTAL WATERS. THE BACK SIDE OF THE LOW WILL BE A COLD RAIN LATE TUE THROUGH TUE NIGHT AND WED MORNING AND THIS SHOULD BE THE STORY FOR MUCH OF THE AREA. IF ANY MIXED PRECIP DEVELOPS...IT WILL DEPEND ON WHERE THE UPPER LOW MOVES LATE TUE NIGHT AND WED MORNING. WILL WATCH FOR THIS MAINLY OVER THE NORTHERN PORTION OF THE AREA. && .AVIATION... VFR CAVU CONDITIONS PREVAIL AT ALL AREA TERMINALS NEXT 24-30 HOURS. NEXT SHOT AT LOWER CEILINGS AND/OR VSBYS MAY BE FRIDAY NIGHT OR EARLY SATURDAY MORNING AS WINDS BRING SLOW INCREASE OF MOISTURE INTO REGION IN ADVANCE OF NEXT SYSTEM POISED TO MOVE INTO LA/MS MONDAY. 24/RR && .MARINE... NORTH WINDS LIKELY TO STAY AT OR SLIGHTLY ABOVE 15 KNOTS MUCH OF THE DAY AND CLEARLY IN THE 15-20 KNOT RANGE TONIGHT AS HIGH PRESSURE BECOMES RE-ENFORCED LATER TODAY. OFFSHORE FLOW REMAINS UNTIL SATURDAY WHEN WIND BECOMES MORE EASTERLY AND TURNING ONSHORE THROUGH MONDAY. COLD FRONTAL PASSAGE APPEARS TO BE SLOW MOVING MONDAY INTO MONDAY NIGHT. AS A HEAD`S UP...MODELS IN THE LONGER RANGE SHOW A SUBSTANTIAL NORTHWEST GULF LOW PRESSURE SYSTEM DEVELOPING MIDDLE OF NEXT WEEK THAT COULD BRING GALE CONDITIONS AT SOME POINT MID TO LATE NEXT WEEK. MODEL TRENDS WILL BE MONITORED FOR CONSISTENCY. 24/RR && .PRELIMINARY POINT TEMPS/POPS... MCB 59 32 61 35 / 0 0 0 0 BTR 61 34 62 39 / 0 0 0 0 MSY 62 39 62 43 / 0 0 0 0 GPT 63 34 62 34 / 0 0 0 0 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. && $$
