FNUS74 KMAF 181258 FWSMAF SPOT FORECAST FOR CHISOS SURROGATE...BIG BEND NATIONAL PARK NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 758 AM CDT MON OCT 18 2010 FORECAST IS BASED ON IGNITION TIME OF 1700 MDT ON OCTOBER 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS AND LIGHTNING DANGER. .DISCUSSION... A DRYLINE WILL MOVE EAST OF THE BURN SITE THIS AFTERNOON. BEHIND THIS DRYLINE SOUTHWEST WINDS WILL INCREASE TO 10 TO 15 MPH WITH GUSTS TO 20 MPH. THE WINDS WILL DIMINISH EARLY THIS EVENING AND BECOME LIGHT AND TERRAIN DOMINATED OVERNIGHT THROUGH TUESDAY MORNING. POOR RH RECOVERY IS EXPECTED OVERNIGHT. MINIMUM RH/S ARE EXPECTED TO BE AROUND 30 PERCENT MID TO LATE TUESDAY AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....60 TO 64. MIN HUMIDITY........30 PCT. WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST WIND 10 TO 15 MPH THIS AFTERNOON. GUSTS TO 20 MPH THIS AFTERNOON. HAINES INDEX........3 (VERY LOW). SMOKE DISPERSAL.....POOR (1900 KNOT-FT) INCREASING TO EXCELLENT (85400 KNOT-FT) IN THE AFTERNOON. TIME (MDT) 5 PM SKY (%).........PCLDY WEATHER COV..... WEATHER TYPE....NONE TEMP............68 RH..............32 20 FT WIND DIR..SW 20 FT WIND SPD..12 20 FT WIND GUST.20 MIX HGT (FT)....8900 TRANS WIND DIR..SW TRANS WIND SPD..9 HAINES INDEX....3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........30 PCT. WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH EARLY IN THE EVENING BECOMING TERRAIN DOMINATED UNDER 5 MPH. HAINES INDEX........3 (VERY LOW). SMOKE DISPERSAL.....EXCELLENT (60000 KNOT-FT) DECREASING TO POOR (200 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (MDT) 6 PM 10 PM 2 AM SKY (%).........PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............67 57 52 RH..............23 36 45 20 FT WIND DIR..SW NE NE 20 FT WIND SPD..10 2 2 20 FT WIND GUST.20 5 5 MIX HGT (FT)....8200 500 300 TRANS WIND DIR..SW NE N TRANS WIND SPD..6 1 2 HAINES INDEX....3 3 3 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....63 TO 67. MIN HUMIDITY........30 PCT. WIND (20 FT)........TERRAIN DOMINATED UNDER 5 MPH BECOMING SOUTHWEST 4 TO 8 MPH IN THE AFTERNOON. HAINES INDEX........3 (VERY LOW). SMOKE DISPERSAL.....GOOD (41800 KNOT-FT). TIME (MDT) 6 AM 10 AM 2 PM SKY (%).........MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............50 59 68 RH..............52 38 29 20 FT WIND DIR..NE NE SW 20 FT WIND SPD..3 3 5 20 FT WIND GUST.5 MIX HGT (FT)....400 2000 10200 TRANS WIND DIR..SW N S TRANS WIND SPD..1 2 1 HAINES INDEX....3 3 3 $$ FORECASTER...CICCONE REQUESTED BY...JIM KITCHEN FMO TYPE OF REQUEST...PRESCRIBED .TAG 20101018.CHISO.01/MAF