FNUS74 KLIX 282209 FWSLIX SPOT FORECAST FOR DEEPWATER HORIZON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 509 PM CDT WED APR 28 2010 .DISCUSSION... SOUNDING... LIGHT SE WINDS EXPECTED TO 3500 FT...NW-W 10-30KT TO 24KFT...W-WSW 45-110KT ABOVE 24KFT...MAX WIND 130KT AT 40KFT. DRY LAPSE RATE TO 3500FT...14C AT BASE ISOTHERMAL INVERSION TO 15C NOSE 5700FT. VERY DRY THROUGHOUT 00Z-03Z. SURFACE... SLOWLY ERODING FLAT 1017MB HIGH PRESSURE AREA OVER NORTH GULF. ONSHORE FLOW DEVELOPING FROM ATCHAFALAYA BAY WESTWARD WITH STRONG GRADIENT WIND DEVELOPING OVER LOWER PLAINS STATES. RELATIVE HUMIDITY LEVELS HAVE LEVELED OFF 45-50 PERCENT IN PROXIMITY TO SPOT LOCATION. AVIATION... VFR CAVOK WITH DEBRIS CIRRUS BASED AOA BKN180. LIGHT TURBULENCE AND MINOR RIME ICING POSSIBLE AOA FL180 ADVANCING FROM WSW 40 KT IN RESPONSE TO UPPER DISTURBANCE ABOVE 500 MB. RADAR... LOW REFLECTIVITY RETURNS BELOW 20DBZ LIKELY SNOW VIRGA AOA 19KFT ADVANCING ENE 35 KT AND CENTERED ABOUT 85 NM SW OF SPOT LOCATION. THE RETURNS ARE GETTING DISPERSED BUT STILL ADVANCING WITH ISOLATED PIXELS 20-25DBZ AT 26KFT POSSIBLE ISOLATED SHOWERS AT SURFACE. THESE FEATURES WILL LIKELY PASS ABOUT 40 NM SOUTH OF THE SPOT LOCATION. NO LIGHTNING DETECTED OVER GLFMEX. .TONIGHT... TIME (CDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........9 9 8 8 8 8 8 8 7 7 8 8 8 WEATHER COV..... WEATHER TYPE.... TEMP............70 70 69 67 66 64 64 64 64 64 64 64 64 RH..............49 53 59 61 67 70 70 73 73 75 75 75 75 20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE SE 20 FT WIND SPD..5 5 6 6 6 6 7 7 7 8 8 9 10 20 FT WIND GUST.10 10 10 10 10 10 15 15 15 15 15 20 20 EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE SE EYE LVL WND SPD.5 5 6 6 6 6 7 7 7 8 8 9 10 EYE LVL WND GST.10 10 10 10 10 10 15 15 15 15 15 20 20 MIX HGT (KFT)...3.6 3.6 2.2 2.2 2.2 1.9 1.9 1.9 1.6 1.6 1.7 1.7 1.7 MIX HGT (KM)....1.1 1.1 0.7 0.7 0.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE SE TRANSP WIND SPD.6 6 5 5 9 9 9 10 10 10 10 10 10 TRANS SPD (M/S).3 3 2 2 4 4 4 4 4 4 4 4 4 CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 0 SEAS............2 2 2 2 2 2 2 3 3 3 3 3 3 SEA STATE.......SMOOTH...ALL SWELL .THURSDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........8 6 0 0 0 3 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............64 66 70 74 75 75 RH..............75 75 71 66 66 69 20 FT WIND......SE 10 SE 11 SE 12 SE 13 SE 13 SE 14 20 FT WIND GUST.20 25 25 25 25 25 EYE LEVEL WIND..SE 10 SE 11 SE 12 SE 13 SE 13 SE 14 EYE LEVEL WIND..20 25 25 25 25 25 MIX HGT (FT)....1700 2000 2000 2000 2000 2000 MIX HGT (M).....520 610 610 610 610 610 TRANSPORT WIND..SE 10 SE 15 SE 21 SE 21 SE 23 SE 22 TRAN WIND (M/S).SE 10 SE 15 SE 21 SE 21 SE 23 SE 22 CHC OF PCPN (%).0 0 0 0 0 0 SEAS............3 4 4 4 4 4 SEA STATE.......LIGHT CHOP BECOMING CHOPPY .THURSDAY NIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........3 6 23 23 40 49 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............74 71 69 69 69 69 RH..............71 79 87 87 93 97 20 FT WIND......SE 14 SE 14 SE 14 SE 15 SE 15 SE 15 20 FT WIND GUST.25 30 30 35 35 35 EYE LEVEL WIND..SE 14 SE 14 SE 14 SE 15 SE 15 SE 15 EYE LEVEL WIND..25 30 30 35 35 35 MIX HGT (FT)....2000 1900 1600 1600 1400 1100 MIX HGT (M).....610 580 490 490 430 340 TRANSPORT WIND..SE 22 SE 24 SE 26 SE 26 SE 28 SE 29 TRAN WIND (M/S).SE 22 SE 24 SE 26 SE 26 SE 28 SE 29 CHC OF PCPN (%).0 0 0 0 10 10 SEAS............4 5 5 5 6 6 SEA STATE.......CHOPPY BECOMING ROUGH $$ FORECASTER...NWS NEW ORLEANS/24 REQUESTED BY...TIM ERICKSON TYPE OF REQUEST...WILDFIRE .TAG 20100428.DEEPW.10/LIX