FNUS74 KLIX 311444 FWSLIX SPOT FORECAST FOR O-01S...SANDHILL CRANE NATIONAL WEATHER SERVICE NEW ORLEANS LA 844 AM CST TUE JAN 31 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRENGTHENING LOW PRESSURE SYSTEM WILL PASS THROUGH THE AREA OVER TONIGHT AND TOMORROW. INCREASING SOUTHEAST WINDS AND HUMIDITY VALUES ARE EXPECTED IN ADVANCE OF THIS SYSTEM...ALONG WITH WIDESPREAD RAINFALL BEGINNING LATE TONIGHT AND PERSISTING INTO TOMORROW. 1. WINDS WILL BE PERSISTENT THROUGH THE OVERNIGHT HOURS...AS A TIGHT PRESSURE GRADIENT BETWEEN THE LOW TO THE SOUTHWEST AND A HIGH TO THE NORTHEAST REMAINS IN PLACE. GIVEN THESE CONDITIONS...DO NOT EXPECT ANY DROP OFF IN WIND SPEEDS OR CHANGES IN WIND DIRECTION TONIGHT. 2. EXPECT SOUTHEAST WINDS OF 6 TO 8 MPH...WITH GUSTS TO 15 MPH THROUGH THE PERIOD. GUSTS TO 20 MPH COULD BE POSSIBLE AT TIMES...ESPECIALLY DURING THE AFTERNOON HOURS TODAY. 3. GIVEN THE STRONG AND PERSISTENT WINDS EXPECTED...ALONG WITH A MORE BUOYANT AIRMASS IN ADVANCE OF THE APPROACHING STORM SYSTEM...THE CHANCES FOR FOG ARE VERY LOW TONIGHT. 4. THERE IS AMPLE MOISTURE IN PLACE NOW...SO RH VALUES WILL BE NOT BE VERY LOW TODAY. AT A MINIMUM...RH VALUES COULD DROP INTO THE MIDDLE 50 PERCENTILE RANGE THIS AFTERNOON. 5. ISOLATED SHOWERS SHOULD BEGIN TO MOVE INTO THE AREA AFTER SUNSET THIS EVENING. THE MORE WIDESPREAD AND PERSISTENT RAINS SHOULD BEGIN TO MOVE IN AFTER MIDNIGHT AND CONTINUE THROUGH TOMORROW. SOME LOCALLY HEAVY RAINFALL COULD DEVELOP TOWARD DAYBREAK TOMORROW. RAINFALL TOTALS OF AROUND 1.5 INCHES CAN BE EXPECTED...POSSIBLY UP TO 2 INCHES IF A HEAVY RAINBAND STALLS OVER THE AREA. .TODAY... TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........73 73 68 68 68 68 68 68 WEATHER COV..... WEATHER TYPE.... TEMP............62 66 69 71 72 71 70 67 RH..............70 63 59 57 57 61 63 73 20 FT WIND DIR..SE SE SE SE SE SE SE SE 20 FT WIND SPD..6 7 8 8 8 8 7 7 20 FT WIND GUST.15 15 15 15 15 15 15 15 MIX HGT (KFT)...1.7 1.7 3.1 3.1 3.1 3.3 3.3 3.3 MIX HGT (KM)....0.5 0.5 0.9 0.9 0.9 1.0 1.0 1.0 TRANSP WIND DIR.SE SE SE SE SE SE SE SE TRANSP WIND SPD.16 16 17 17 17 18 18 18 TRANS SPD (M/S).7 7 8 8 8 8 8 8 DISPERSION......34 28 42 42 42 47 47 47 CHC OF PCPN (%).10 10 10 10 10 10 10 10 .TONIGHT... TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........88 88 88 100 100 100 WEATHER COV.....S CHC S CHC S CHC LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............64 60 59 58 57 58 RH..............81 96 100 100 100 100 20 FT WIND......SE 6 SE 6 SE 6 SE 6 SE 6 E 5 20 FT WIND GUST.15 15 15 15 15 10 MIX HGT (FT)....2600 2600 1200 700 700 700 MIX HGT (M).....790 790 370 210 210 210 TRANSPORT WIND..SE 20 SE 20 SE 22 SE 23 SE 23 SE 22 TRAN WIND (M/S).SE 9 SE 9 SE 10 SE 10 SE 10 SE 10 DISPERSION......26 26 20 21 21 20 CHC OF PCPN (%).60 60 60 60 60 60 .WEDNESDAY... TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........100 100 100 96 96 96 WEATHER COV.....DEFNTE DEFNTE DEFNTE LIKELY LIKELY LIKELY WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............58 60 64 68 69 68 RH..............100 100 90 81 81 84 20 FT WIND......E 6 E 6 E 6 SE 6 SE 5 E 4 20 FT WIND GUST.15 15 15 15 10 10 MIX HGT (FT)....600 600 700 2300 2300 2600 MIX HGT (M).....180 180 210 700 700 790 TRANSPORT WIND..E 18 E 18 E 16 E 13 E 13 N 7 TRAN WIND (M/S).E 8 E 8 E 7 E 6 E 6 N 3 DISPERSION......16 16 16 27 27 15 CHC OF PCPN (%).90 90 90 90 90 90 $$ FORECASTER...GRIGSBY REQUESTED BY...SCOTT SAUCIER TYPE OF REQUEST...PRESCRIBED .TAG 20120131.O01S_.02/LIX