FNUS73 KLBF 201541 FWSLBF SPOT FORECAST FOR 171...NE NBF NATIONAL WEATHER SERVICE NORTH PLATTE NE 1041 AM CDT FRI JUL 20 2012 FORECAST IS BASED ON REQUEST TIME OF 0918 MDT ON JULY 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT TUESDAY... .DISCUSSION... MAJOR HEAT WAVE IN PLACE THROUGH EARLY NEXT WEEK WITH HIGHS AROUND OR ABOVE 100 DEGREES. MOISTURE WILL HELP KEEP MINIMUM RELATIVE HUMIDITY VALUES AROUND 20 PERCENT DURING PEAK HEAT. WINDS WILL BE SOUTHERLY TODAY...THEN SHOULD BECOME SOUTHEASTERLY TO EASTERLY TOMORROW AFTERNOON. THERE WILL BE A SLIGHT CHANCE FOR THUNDERSTORMS THIS AFTERNOON...HOWEVER DRY LOWER LEVELS OF THE ATMOSPHERE MAY RESULT IN LIMITED PRECIPITATION REACHING THE GROUND. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 106. MIN HUMIDITY........20 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 13 MPH. WIND (20 FT)........SOUTH WINDS 9 TO 13 MPH. GUSTS UP TO 25 MPH EARLY IN THE MORNING. LAL.................1 INCREASING TO 2 IN THE AFTERNOON. HAINES INDEX........5 MODERATE. MIXING HEIGHT.......400-1500 FT AGL UNTIL 1100. 13800-15500 FT AGL AFTER 1600. TRANSPORT WINDS.....SOUTHWEST 12 TO 21 MPH. SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT. TIME (MDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........29 34 35 33 31 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE TSTORM TSTORM TSTORM TEMP............85 94 101 105 104 RH..............41 32 25 22 23 20 FT WIND......S 10 S 10 S 10 S 10 S 8 20 FT WIND GUST.20 25 25 20 15 EYE LEVEL WIND..S 10 S 10 S 10 S 10 S 8 EYE LEVEL WIND..20 25 25 20 15 HAINES INDEX....5 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....AROUND 73. MAX HUMIDITY........71 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 9 MPH. WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH. LAL.................1. HAINES INDEX........5 MODERATE. MIXING HEIGHT.......13000 FT AGL UNTIL 2000. 200 FT AGL AFTER 2200. TRANSPORT WINDS.....SOUTH 10 TO 16 MPH. SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR. TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........31 34 37 40 37 34 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............101 90 82 78 75 73 RH..............25 34 44 50 54 59 20 FT WIND......S 7 S 6 S 6 S 6 S 5 S 5 20 FT WIND GUST.15 10 10 15 10 EYE LEVEL WIND..S 7 S 6 S 6 S 6 S 5 S 5 EYE LEVEL WIND..15 10 10 15 10 HAINES INDEX....5 5 5 5 5 5 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 101. MIN HUMIDITY........23 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHEAST AROUND 5 MPH LATE IN THE MORNING BECOMING LIGHT. WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHEAST AROUND 5 MPH LATE IN THE MORNING BECOMING LIGHT. LAL.................1. HAINES INDEX........5 MODERATE. MIXING HEIGHT.......200-1500 FT AGL UNTIL 1100...THEN 6100 FT AGL UNTIL 1200...THEN 10800 FT AGL UNTIL 1300...THEN 14400-16000 FT AGL UNTIL 1800...THEN 12900 FT AGL. TRANSPORT WINDS.....WEST 9 TO 18 MPH SHIFTING TO THE NORTH AROUND 12 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR INCREASING TO GOOD LATE IN THE MORNING...THEN INCREASING TO EXCELLENT LATE IN THE MORNING. TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........31 33 35 37 39 42 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE TSTORM TSTORM TSTORM TEMP............70 79 88 95 99 100 RH..............71 54 39 29 24 23 20 FT WIND......S 5 S 4 S 3 S 4 SE 4 SE 3 20 FT WIND GUST. 5 5 5 5 5 EYE LEVEL WIND..S 5 S 4 S 3 S 4 SE 4 SE 3 EYE LEVEL WIND.. 5 5 5 5 5 HAINES INDEX....5 5 5 5 5 5 $$ FORECASTER...MASEK REQUESTED BY...TEAHON TYPE OF REQUEST...WILDFIRE .TAG 20120720.171__.01/LBF