FNUS74 KMAF 202150 FWSMAF SPOT FORECAST FOR ROCK HOUSE FIRE...SOUTHERN AREA IMT BLUE TEAM NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 450 PM CDT WED APR 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1625 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS AND LIGHTNING DANGER. .DISCUSSION... A COLD FRONT WILL MOVE OVER THE BURN SITE TONIGHT RESULTING IN WINDS BECOMING LIGHT AND TERRAIN DOMINATED OVERNIGHT. RH RECOVERY TONIGHT WILL BE BETTER THAN THE LAST SEVERAL NIGHTS...FROM 40 TO 60 PERCENT BY THURSDAY MORNING. WINDS WILL BE LIGHT AND TERRAIN DOMINATED THURSDAY MORNING BUT BECOME SOUTHWEST AT 13 TO 18 MPH AND GUSTY BY THURSDAY AFTERNOON ON THE RIDGETOPS. LIGHT AND VARIABLE WINDS IN THE CANYONS WILL BECOME UPVALLEY BY THURSDAY AFTERNOON. THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS AND LIGHTNING DANGER. .DISCUSSION... .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....52-57. MAX HUMIDITY........40-60 PCT. WIND (20 FT)........WEST WINDS 6 TO 11 MPH BECOMING TERRAIN DOMINATED UNDER 5 MPH. HAINES INDEX........6 (HIGH). SMOKE DISPERSAL.....EXCELLENT (98000 KNOT-FT) DECREASING TO POOR (300 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 11 PM 3 AM SKY (%).........MCLEAR MCLEAR MCLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............82 63 58 RH..............7 21 36 20 FT WIND DIR..SW VRB VRB 20 FT WIND SPD..11 5 5 20 FT WIND GUST.20 MIX HGT (FT)....12900 200 300 TRANS WIND DIR..S W N TRANS WIND SPD..8 4 3 VENT CAT........GOOD POOR POOR HAINES INDEX....6 6 5 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....86-91. MIN HUMIDITY........7 PCT. WIND (20 FT)........RIDGETOPS...TERRAIN DOMINATED UNDER 5 MPH... THEN BECOMING SOUTHWEST 13 TO 18 MPH BY AFTERNOON. CANYONS...TERRAIN DOMINATED UNDER 5 MPH BECOMING UPVALLEY LESS THAN 10 MPH IN THE AFTERNOON. HAINES INDEX........6 (HIGH). SMOKE DISPERSAL.....POOR (7000 KNOT-FT) INCREASING TO EXCELLENT (255000 KNOT-FT). TIME (CDT) 7 AM 11 AM 3 PM SKY (%).........MCLEAR MCLEAR MCLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............54 75 87 RH..............49 16 8 20 FT WIND DIR..VRB VRB SW 20 FT WIND SPD..4 4 14 20 FT WIND GUST.10 25 MIX HGT (FT)....200 2600 10600 TRANS WIND DIR..S W SW TRANS WIND SPD..3 5 14 VENT CAT........POOR POOR EXCLNT HAINES INDEX....5 5 4 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....49-54. MAX HUMIDITY........30-40 PCT. WIND (20 FT)........RIDGETOPS...WEST WINDS 10 TO 15 MPH. CANYONS...TERRAIN DOMINATED UNDER 5 MPH BECOMING DOWNVALLEY LESS THAN 10 MPH. HAINES INDEX........6 (HIGH). SMOKE DISPERSAL.....EXCELLENT (205500 KNOT-FT) DECREASING TO POOR (100 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 11 PM 3 AM SKY (%).........MCLEAR MCLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............85 62 56 RH..............8 19 27 20 FT WIND DIR.. W W W 20 FT WIND SPD..18 13 10 20 FT WIND GUST.25 20 20 MIX HGT (FT)....11600 200 200 TRANS WIND DIR..SW W W TRANS WIND SPD..17 7 6 VENT CAT........EXCLNT POOR POOR HAINES INDEX....6 6 5 $$ FORECASTER...CICCONE REQUESTED BY...SCOTT HAMLET SITL TYPE OF REQUEST...PRESCRIBED .TAG 20110420.ROCKH.01/MAF