FNUS74 KLIX 071237 FWSLIX SPOT FORECAST FOR CPT G-07...U.S. FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE NEW ORLEANS LA 737 AM CDT THU MAY 7 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK STATIONARY FRONT WILL REMAIN STALLED OVER NORTHERN LOUISIANA AND CENTRAL MISSISSIPPI FOR MOST OF THE DAY BEFORE MOVING BACK TO THE NORTH...ALLOWING A BROAD AREA OF HIGH PRESSURE TO BUILD IN FOR THE WEEKEND. GOING INTO EARLY NEXT WEEK...ANOTHER WEAK FRONT WILL STALL TO THE NORTH OVER CENTRAL MISSISSIPPI. THIS FRONT WILL SLOW AND STALL BY TUESDAY. .TODAY... TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%).........55 55 53 52 WEATHER COV.....S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............81 83 85 85 RH..............74 70 65 65 20 FT WIND......SW 6 S 7 S 10 S 10 20 FT WIND GUST.10 15 17 18 MIX HGT (FT-AGL)3200 3200 3600 3400 MIX HGT (M-AGL).980 980 1100 1040 TRAN WIND (MPH).SW 16 SW 16 S 14 SW 17 TRAN WIND (M/S).SW 7 SW 7 S 6 SW 8 CHC OF PCPN (%).20 20 20 20 .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........52 40 35 35 30 30 WEATHER COV.....S CHC WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE TEMP............83 80 77 76 74 73 RH..............70 77 82 82 87 90 20 FT WIND......S 8 S 4 S 3 S 2 S 3 SW 4 20 FT WIND GUST.12 9 5 5 5 4 MIX HGT (FT-AGL)3400 1300 700 700 600 600 MIX HGT (M-AGL).1040 400 210 210 180 180 TRAN WIND (MPH).SW 17 S 16 S 13 S 13 S 12 S 12 TRAN WIND (M/S).SW 8 S 7 S 6 S 6 S 5 S 5 CHC OF PCPN (%).20 10 10 10 10 10 .FRIDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........30 30 30 30 30 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............73 76 82 84 85 85 RH..............90 82 69 65 63 63 20 FT WIND......SW 6 SW 8 SW 10 S 12 S 12 S 10 20 FT WIND GUST.10 15 17 20 20 18 MIX HGT (FT-AGL)600 1000 3000 3000 4100 3600 MIX HGT (M-AGL).180 300 910 910 1250 1100 TRAN WIND (MPH).S 12 S 12 S 18 S 18 S 22 S 20 TRAN WIND (M/S).S 5 S 5 S 8 S 8 S 10 S 9 CHC OF PCPN (%).10 0 0 0 0 0 REMARKS... 1) FOG POTENTIAL WILL BE DEPENDANT ON WIND SPEEDS AND TIMING TONIGHT. WINDS ARE EXPECTED TO BE BELOW 5MPH AFTER 3AM AND START INCREASING JUST BEFORE DAYLIGHT. SINCE WINDS WILL NOT BE CALM OR VERY WEAK AROUND SUNRISE...ONLY LIGHT FOG WOULD BE ABLE TO OCCUR WITH VISIBILITIES ONLY DOWN TO 4SM. 2) THERE IS A STRONG CHANCE OF WINDS GOING CALM BETWEEN 2AM AND 5AM. DRAINAGE WIND IS NOT EXPECTED TONIGHT OR IN THE MORNING. 2A) HIGH PRESSURE OVER FLORIDA IS CURRENTLY RIDGING OVER THE AREA TO A WEAKER SECOND HIGH OVER THE SOUTH CENTRAL PLAINS. THIS IS CAUSING WINDS TO BE RELATIVELY WEAK EVERYWHERE BUT ALONG THE COAST/LAND INTERFACE. THIS INTERFACE IS WHERE THE TEMP CONTRAST IS STRONGEST AND THEREFORE TIGHTENS THE ALONG SHORE GRADIENT MAINLY DURING THE MORNING HOURS. A LOW WILL DROP IN WHERE THE SECONDARY WEAKER HIGH NOW EXISTS AND BEGIN TO STRENGTHEN. THE SFC HIGH MOVES WEST A FEW HUNDRED MILES AS WELL. THIS WILL CAUSE THE SYNOPTIC GRADIENT TO INCREASE THEREFORE SPEEDING THE LARGE SCALE ONSHORE WINDS. 3) C-BRZ IS NOT READILY IDENTIFIABLE IN AN ALREADY ESTABLISHED SOUTHERLY FLOW. IT DOES NOT MEAN THEY CAN NOT OCCUR AND WHEN THEY DO...THEY CAN HELP SPEED THE SYNOPTIC FLOW UP. WINDS ARE EXPECTED TO INCREASE TODAY BUT COULD BE ATRIBUTED TO A WEAK C-BRZ OR MIXING OF STRONGER WINDS FROM THE TOP OF THE MIXED LAYER. 4) 17 TO 20 MPH. 5) NO THUNDERSTORMS ARE EXPECTED FOR YOUR LOCATION. THERE WILL BE A POSSIBILITY OF A TS OUTFLOW MOVING THROUGH YOUR AREA PRODUCING A WEAK NORTHERLY BREEZE FOR A SHORT TIME AND THIS WOULD BE THE ONLY POSSIBILITY OF GETTING A STRAY SHOWER. $$ FORECASTER...NWS NEW ORLEANS REQUESTED BY...SAMI GRAY TYPE OF REQUEST...PRESCRIBED .TAG 20090507.CPTG0.01/LIX