FNUS74 KMAF 191503 FWSMAF SPOT FORECAST FOR MC GRUDER RX...NM - BLM NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX 903 AM CST THU FEB 19 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON FEBRUARY 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...FAIR AND DRY CONDITIONS WILL PREVAIL ACROSS THE REGION THROUGH TOMORROW AS SURFACE HIGH PRESSURE REMAINS IN CONTROL. CRITICAL SINGLE DIGIT RH VALUES THIS AFTERNOON WILL BE OFFSET BY WEAK WEAK 20 FOOT WIND SPEEDS GENERALLY UNDER 10 MPH. WEAK TO MODERATE WARMING ALOFT COMBINED WITH WEAK 20 FOOT WINDS WILL LEAD TO "POOR" TO "FAIR" SMOKE MANAGEMENT/VENTILATION CONDITIONS THIS AFTERNOON. "POOR" TO "FAIR" RH RECOVERY IS EXPECTED TONIGHT WITH OVERNIGHT RECOVERY TOPPING OUT IN THE LOW 30% RANGE. INCREASING SOUTHWESTERLY WINDS ARE EXPECTED THROUGH THE DAY TOMORROW AS A COLD FRONT APPROACHES THE REGION. INCREASING 20 FOOT WINDS OF 12-18 MPH WILL TRANSLATE TO SLIGHTLY BETTER VENTILATION CONDITIONS...HOWEVER MINIMUM AFTERNOON RH VALUES WILL REMAIN IN THE CRITICAL CATEGORY. .TODAY... SKY/WEATHER.........SUNNY. CHANCE OF PRECIP....0 PCT. TEMPERATURE.........43 AT IGNITION...MAX 61. RH..................19 PCT AT IGNITION...MIN 9 PCT. WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS OF 5 TO 10 MPH SHIFTING TO THE EAST 5 TO 9 MPH LATE IN THE AFTERNOON. HAINES INDEX........4 /LOW/. SMOKE DISPERSAL.....POOR /5000 KNOT-FT/ AT IGNITION. MAX...FAIR /38000 KNOT-FT/. TIME (MST) 10 AM 12 PM 2 PM 4 PM SKY (%).........CLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............43 48 58 58 RH..............19 17 10 9 20 FT WIND DIR..N NE E E 20 FT WIND SPD..6 7 9 9 20 FT WIND GUST. 10 11 MIX HGT (FT)....500 700 3000 3500 TRANSP WIND DIR.N W W SW TRANSP WIND SPD.10 10 10 10 HAINES INDEX....4 4 4 4 .TONIGHT... SKY/WEATHER.........CLEAR. CHANCE OF PRECIP....0 PCT. TEMPERATURE.........MIN 30. RH..................MAX 37 PCT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST 3 TO 7 MPH AFTER MIDNIGHT. HAINES INDEX........4 /LOW/. SMOKE DISPERSAL.....POOR/0 KNOT-FT/. TIME (MST) 5 PM 9 PM 1 AM SKY (%).........CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............58 43 37 RH..............9 19 26 20 FT WIND DIR..SE S SW 20 FT WIND SPD..9 7 5 20 FT WIND GUST.10 MIX HGT (FT)....6000 500 < 100 TRANSP WIND DIR.S S SW TRANSP WIND SPD.5 3 6 HAINES INDEX....3 3 4 .FRIDAY... SKY/WEATHER.........SUNNY. CHANCE OF PRECIP....0 PCT. TEMPERATURE.........MAX 74. RH..................MIN 7 PCT. WIND (20 FT)........TERRAIN DOMINATED UNDER 5 MPH BECOMING SOUTH 9 TO 14 MPH IN THE AFTERNOON. HAINES INDEX........5 /MODERATE/. SMOKE DISPERSAL.....POOR TO FAIR /0-28000 KNOT-FT/ INCREASING TO GOOD /78000 KNOT-FT/ LATE IN THE AFTERNOON. TIME (MST) 5 AM 9 AM 1 PM SKY (%).........MCLEAR MCLEAR MCLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............33 43 68 RH..............33 22 9 20 FT WIND DIR..NW NE S 20 FT WIND SPD..4 4 11 20 FT WIND GUST.5 5 15 MIX HGT (FT)....< 100 500 3500 TRANSP WIND DIR.W W SW TRANSP WIND SPD.5 3 8 HAINES INDEX....5 5 5 $$ FORECASTER...GITRO REQUESTED BY...JENNIFER WARD TYPE OF REQUEST...PRESCRIBED .TAG 20090219.MCGRU.01/MAF