FNUS73 KLBF 041354 FWSLBF SPOT FORECAST FOR OGALLALA FIREWORKS SHOW...OGALLALA VOLUNTEER FIRE DEPARTMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 854 AM CDT WED JUL 4 2012 FORECAST IS BASED ON REQUEST TIME OF 0739 MDT ON JULY 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ANOTHER HOT DAY EXPECTED ACROSS THE AREA WITH HIGHS AROUND 100 DEGREES. A FRONTAL BOUNDARY WILL SAG INTO NORTHWEST NEBRASKA...BUT SHOULD REMAIN WELL NORTH OF OGALLALA. SOUTH OF THE FRONT WILL BE THE CHANCE FOR A FEW SCATTERED THUNDERSTORMS LATE THIS AFTERNOON INTO THE EVENING HOURS. ACTIVITY WILL LIKELY BUILD ACROSS THE FRONT RANGE EARLY THIS AFTERNOON AND MOVE TO THE EAST/NORTHEAST. WHILE LOCALLY BRIEF HEAVY RAIN IS POSSIBLE...GENERALLY ONLY LIGHT RAINFALL IS EXPECTED WITH THE PASSING SHOWERS. HOWEVER GUSTY WINDS AND DANGEROUS LIGHTNING STRIKES ARE LIKELY WITH ANY SHOWER. WINDS GREAT THAN 30 MPH ARE POSSIBLE FROM THE SHOWER...WHICH MAY CAUSE A DIRECTION CHANGE TO PREVAILING WINDS AND LIKELY THE BIGGEST CONCERN FOR ACTIVITY TONIGHT...BESIDES THE DRY GROUND. .TODAY... SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 100. MIN HUMIDITY........24 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 8 MPH LATE IN THE MORNING. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH LATE IN THE MORNING. LAL.................1 INCREASING TO 3 IN THE AFTERNOON. HAINES INDEX........6 OR HIGH. MIXING HEIGHT.......2300-4000 FT AGL UNTIL 1300. 7000-8800 FT AGL AFTER 1600. TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH. SMOKE DISPERSAL.....FAIR INCREASING TO GOOD LATE IN THE AFTERNOON. TIME (MDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........44 48 51 53 56 59 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE NONE NONE TSTORM TSTORM TEMP............72 81 89 94 99 98 RH..............68 53 41 34 26 28 20 FT WIND......S 2 SW 2 E 4 NE 6 NE 6 E 6 20 FT WIND GUST.5 5 10 15 15 EYE LEVEL WIND..S 2 SW 2 E 4 NE 6 NE 6 E 6 EYE LEVEL WIND..5 5 10 15 15 HAINES INDEX....4 4 6 6 6 6 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 67. MAX HUMIDITY........81 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING BECOMING LIGHT. WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING BECOMING LIGHT. LAL.................3 DECREASING TO 2 AFTER MIDNIGHT. HAINES INDEX........4 TO 6 OR LOW TO HIGH. MIXING HEIGHT.......7900-9700 FT AGL UNTIL 2300. 2200-3000 FT AGL AFTER 0500. TRANSPORT WINDS.....SOUTH 14 TO 21 MPH INCREASING TO 25 TO 32 MPH IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING SOUTHEAST 13 TO 22 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....VERY GOOD DECREASING TO GOOD AFTER MIDNIGHT...THEN DECREASING TO POOR EARLY IN THE MORNING. TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........60 57 52 49 49 49 WEATHER COV.....CHANCE CHANCE CHANCE S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............95 89 78 75 72 70 RH..............32 43 60 64 71 76 20 FT WIND......E 6 E 6 E 5 NE 4 NE 3 NE 3 20 FT WIND GUST.15 10 10 5 5 5 EYE LEVEL WIND..E 6 E 6 E 5 NE 4 NE 3 NE 3 EYE LEVEL WIND..15 10 10 5 5 5 HAINES INDEX....6 6 5 5 5 4 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 97. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 11 MPH. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 11 MPH. LAL.................1. HAINES INDEX........4 TO 5 OR LOW TO MODERATE. MIXING HEIGHT.......1300-3000 FT AGL UNTIL 1000. 8500 FT AGL AFTER 1800. TRANSPORT WINDS.....SOUTHEAST 10 TO 16 MPH SHIFTING TO THE SOUTH 20 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....FAIR INCREASING TO EXCELLENT. TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........49 49 48 48 46 44 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE TSTORM TSTORM TSTORM TEMP............68 77 85 91 95 96 RH..............81 60 48 40 35 33 20 FT WIND......E 3 E 5 E 6 SE 8 SE 9 SE 9 20 FT WIND GUST.5 10 15 20 20 EYE LEVEL WIND..E 3 E 5 E 6 SE 8 SE 9 SE 9 EYE LEVEL WIND..5 10 15 20 20 HAINES INDEX....4 4 5 5 5 5 $$ FORECASTER...MASEK REQUESTED BY...RICHARD BOURQUE- OVFD CAPTAIN TYPE OF REQUEST...WILDFIRE .TAG 20120704.OGALL.01/LBF