FNUS73 KLOT 171307 FWSLOT SPOT FORECAST FOR DUNE RIDGE RX...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE CHICAGO IL 807 AM CDT FRI APR 17 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SURFACE HIGH PRESSURE CENTERED OVER NORTHEAST INDIANA THIS MORNING WILL WEAKEN AND DRIFT SOUTH INTO THE OHIO VALLEY BY THIS EVENING. SYNOPTIC LIGHT AND VARIABLE WIND FIELD NEAR CENTER OF HIGH THIS MORNING WILL BECOME LIGHT SOUTHERLY...THOUGH GIVEN LIGHT GRADIENT AND SOUTH WINDS LESS THAN 10 MPH EXPECT LAKE BREEZE TO DEVELOP MIDDAY TO EARLY AFTERNOON SHIFTING WINDS TO THE NORTHEAST AND LIMITING MIXING HEIGHTS AS COOL STABLE AIR MOVES INLAND. .TODAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........50 AT IGNITION...MAX 59. RH..................54 PERCENT AT IGNITION...MIN 42 PERCENT. WIND (20 FT)........WINDS VARIABLE/SOUTHWEST AT 5 MPH AT IGNITION...THEN BECOMING NORTH NORTHEAST 5 TO 10 MPH BY EARLY AFTERNOON. CHANCE OF PCPN......0 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......400 FT AGL INCREASING TO 800 FT AGL AT IGNITION...INCREASING TO 1000 FT LATE MORNING THEN DECREASING TO 900 FT AGL WITH LAKE BREEZE EARLY AFTERNOON. TRANSPORT WINDS.....EAST 3 TO 10 MPH. SMOKE DISPERSAL.....POOR /3500 KNOT-FT/ AT IGNITION. MAX...POOR /5600 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........3 3 4 5 5 6 6 6 7 WEATHER COV..... WEATHER TYPE.... TEMP............50 53 56 56 58 58 58 57 55 RH..............56 52 50 52 49 50 51 51 54 20 FT WIND DIR..200 220 250 360 300 020 030 040 040 20 FT WIND SPD..4 3 2 2 2 3 4 5 5 20 FT WIND GUST.10 5 5 5 5 5 10 10 10 MIX HGT (KFT)...0.6 0.9 1.0 1.0 0.9 0.9 0.9 0.9 0.8 TRANSP WIND DIR.200 220 240 250 230 190 160 130 090 TRANSP WIND SPD.3 3 3 5 6 7 8 9 10 CWR.............0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 VRATE KT-FT/10003 4 5 5 5 5 5 5 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. TEMPERATURE.........MIN 42. RH..................MAX 79 PERCENT. WIND (20 FT)........EAST WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 7 MPH AFTER MIDNIGHT. CHANCE OF PCPN......0 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......800 FT AGL DECREASING TO 200 FT AGL. TRANSPORT WINDS.....SOUTH 9 TO 12 MPH. SMOKE DISPERSAL.....POOR (1700-5200 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........7 10 13 16 19 22 25 28 31 34 37 40 WEATHER COV..... WEATHER TYPE.... TEMP............44 44 43 43 43 43 43 42 42 42 42 42 RH..............59 62 64 67 68 70 71 75 75 77 77 79 20 FT WIND DIR..050 060 080 090 100 130 150 160 180 180 180 190 20 FT WIND SPD..5 5 4 3 3 3 3 3 4 5 4 4 20 FT WIND GUST.10 5 5 5 5 5 5 10 10 10 10 MIX HGT (KFT)...0.8 0.7 0.6 0.5 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.2 TRANSP WIND DIR.070 080 100 110 130 140 150 150 160 170 180 180 TRANSP WIND SPD.12 12 12 10 10 9 9 9 9 9 9 9 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/10005 5 4 3 3 2 2 2 2 2 2 2 .SATURDAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. TEMPERATURE.........MAX 52. RH..................MIN 70 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH EARLY IN THE AFTERNOON. CHANCE OF PCPN......10 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......300 FT AGL INCREASING TO 400 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO 300 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 6 TO 14 MPH. SMOKE DISPERSAL.....POOR (2100-3300 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........43 47 51 55 59 63 67 70 73 76 78 81 WEATHER COV..... WEATHER TYPE.... TEMP............42 44 46 48 49 50 50 51 52 52 52 51 RH..............78 77 75 73 72 70 71 71 71 72 74 76 20 FT WIND DIR..190 190 190 200 210 250 270 300 000 030 040 050 20 FT WIND SPD..3 3 3 3 2 2 2 3 4 5 5 5 20 FT WIND GUST.5 5 5 5 5 5 5 5 10 10 10 10 MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 TRANSP WIND DIR.190 190 210 220 230 240 250 270 300 340 010 050 TRANSP WIND SPD.9 9 8 7 7 6 6 7 9 10 13 14 CWR.............0 0 0 0 0 0 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/10002 2 2 2 2 2 2 3 3 3 3 3 $$ FORECASTER...RATZER REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20090417.DUNER.01/LOT