FNUS73 KLBF 171217 FWSLBF SPOT FORECAST FOR UNIT 20...USFWS NATIONAL WEATHER SERVICE NORTH PLATTE NE 717 AM CDT TUE APR 17 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WINDS SHOULD BE WELL BEHAVED TODAY AS LOW PRESSURE TRACKS INTO NORTH DAKOTA. THIS SHOULD PRODUCE THE SOUTHWEST WINDS. YOU HAVE GUST POTENTIAL TO 30 MPH BUT THIS APPEARS TO BE ON THE HIGH END OF THE MODEL FORECAST. 25 MPH MIGHT BE MORE REALISTIC GIVEN THE RECENT WET CONDITIONS...IF YOU HAVE GOTTEN GOOD RAIN WHICH LIMITS VERTICAL MIXING. A WEAK COLD FRONT WILL DROP THROUGH LATE THIS EVENING SWITCHING WINDS TO THE NORTHWEST. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........56 AT IGNITION...MAX 73. RH..................53 PERCENT AT IGNITION...MIN 22 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 16 MPH. WIND (20 FT)........WINDS SOUTHWEST AT 11 MPH AT IGNITION...OTHERWISE SOUTHWEST WINDS 7 TO 16 MPH WITH GUSTS TO AROUND 30 MPH. LAL.................1. HAINES INDEX........4 LOW AT IGNITION...MAX 5. MIXING HEIGHT.......100-1000 FT AGL UNTIL 1100. 11400-12100 FT AGL AFTER 1600. TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH INCREASING TO 22 TO 30 MPH EARLY IN THE AFTERNOON. SMOKE DISPERSAL.....FAIR INCREASING TO EXCELLENT. TIME (MDT) 10 AM NOON 2 PM 4 PM SKY (%).........30 32 44 52 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............56 65 70 72 RH..............53 35 25 22 20 FT WIND......SW 9 SW 9 SW 12 SW 13 20 FT WIND GUST.20 20 30 30 EYE LEVEL WIND..SW 9 SW 9 SW 12 SW 13 EYE LEVEL WIND..20 20 30 30 HAINES INDEX....4 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. TEMPERATURE.........MIN 39. RH..................MAX 92 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 14 MPH. WIND (20 FT)........NORTHWEST WINDS 6 TO 14 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. LAL.................3 DECREASING TO 1 AFTER MIDNIGHT. HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE. MIXING HEIGHT.......12400 FT AGL UNTIL 2000. 200-1600 FT AGL AFTER 2200. TRANSPORT WINDS.....WEST 21 TO 29 MPH BECOMING NORTHWEST AROUND 6 MPH. SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR. TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........63 59 53 48 41 32 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM NONE NONE NONE TEMP............70 58 52 48 45 43 RH..............24 44 61 77 86 86 20 FT WIND......W 11 W 8 NW 6 NW 6 NW 5 NW 5 20 FT WIND GUST.25 15 10 10 10 10 EYE LEVEL WIND..W 11 W 8 NW 6 NW 6 NW 5 NW 5 EYE LEVEL WIND..25 15 10 10 10 10 HAINES INDEX....5 5 5 3 3 3 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY. TEMPERATURE.........MAX 66. RH..................MIN 35 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHEAST 5 TO 10 MPH LATE IN THE MORNING. WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHEAST 5 TO 10 MPH LATE IN THE MORNING. LAL.................1. HAINES INDEX........3 VERY LOW. MIXING HEIGHT.......200-2100 FT AGL UNTIL 1000. 8200-8800 FT AGL AFTER 1600. TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH SHIFTING TO THE NORTHEAST 6 TO 7 MPH EARLY IN THE MORNING...THEN SHIFTING TO THE SOUTH 5 TO 14 MPH LATE IN THE MORNING INCREASING TO 17 TO 21 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT. TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........25 31 40 46 56 69 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE TSTORM TSTORM TSTORM TEMP............40 46 54 60 64 65 RH..............92 76 54 42 37 35 20 FT WIND......NW 5 N 3 NE 3 E 5 SE 6 SE 8 20 FT WIND GUST. 5 5 10 15 15 EYE LEVEL WIND..NW 5 N 3 NE 3 E 5 SE 6 SE 8 EYE LEVEL WIND.. 5 5 10 15 15 HAINES INDEX....3 3 3 3 3 3 $$ FORECASTER...COLE REQUESTED BY...BILLY CUMBOW TYPE OF REQUEST...PRESCRIBED .TAG 20120417.UNIT2.01/LBF