FNUS73 KAPX 201825 FWSAPX SPOT FORECAST FOR GRAYLING KALKASKA CO FIRES...STATE OF MICHIGAN NATIONAL WEATHER SERVICE GAYLORD MI 225 PM EDT THU MAY 20 2010 FORECAST IS BASED ON REQUEST TIME OF 1348 EDT ON MAY 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AS STATED IN THE UPDATE FOR THE PLANNING FORECAST THE MINIMUM RH WILL BE IN THE 15-20 PERCENT RANGE THIS AFTERNOON WITH THE MAX TEMPERATURE AROUND 86 DEGREES. WIND OBSERVATIONS IN THE AREA HAVE BEEN LIGHT AND VARIABLE...THUS LIGHT UPSLOPE WINDS WILL BE PREVALENT THROUGH THE AFTERNOON IN THOSE AREAS WHERE THERE IS ANY LAND RELIEF. AS THE HIGH MOVES TO THE EAST TONIGHT THE TRANSPORT WINDS WILL BECOME MORE SOUTHEAST...EVEN THOUGH THE SURFACE WINDS WILL REMAIN CALM OR LIGHT. BY 800 AM FRIDAY...THE SURFACE WIND WILL BEGIN TO SLOWLY INCREASE SO THAT BY THE AFTERNOON EXPECT SOUTHEAST WINDS AROUND 10 MPH. CLOUDS ARE EXPECTED TO INCREASE FRIDAY AS WELL...THE CLOUD COVER WILL HELP TO KEEP THE MAXIMUM TEMPERATURE IN THE MID TO UPPER 70S...AND THE MINIMUM RELATIVE HUMIDITY AROUND 30 PERCENT. .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). MAX TEMPERATURE.....86. MIN HUMIDITY........15 PERCENT. WIND (20 FT)........LIGHT WINDS. TRANSPORT WINDS.....EAST AROUND 5 MPH. MIXING HEIGHT.......10600 FT AGL. HAINES INDEX........MAX 6. SMOKE DISPERSAL.....MAX EXCELLENT(600). MIXING HEIGHT.......10600 FT AGL. TRANSPORT WINDS.....EAST AROUND 5 MPH. TIME (EDT) 3PM 4PM 5PM SKY (%).........27 27 27 WEATHER COV..... WEATHER TYPE.... TEMP............85 86 85 RH..............16 15 15 20 FT WIND DIR..SW SW SW 20 FT WIND SPD..4 3 3 20 FT WIND GUST.5 5 5 HAINES INDEX....6 5 5 SMOKE DISP......600 600 500 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....50. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........LIGHT WINDS. TRANSPORT WINDS.....SOUTHEAST 5 TO 9 MPH. MIXING HEIGHT.......0-300 FT AGL. HAINES INDEX........MIN 5. SMOKE DISPERSAL.....MIN POOR(0). MIXING HEIGHT.......0-300 FT AGL. TRANSPORT WINDS.....SOUTHEAST 5 TO 9 MPH. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........37 37 21 21 21 21 21 21 6 6 6 6 WEATHER COV..... WEATHER TYPE.... TEMP............80 77 73 68 64 60 58 56 55 54 53 52 RH..............17 18 22 32 43 58 64 66 69 71 77 80 20 FT WIND DIR..S SE E E E E SE S S S SE SE 20 FT WIND SPD..2 2 2 3 3 4 3 2 1 1 1 1 20 FT WIND GUST.5 5 5 5 5 5 5 5 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 5 SMOKE DISP......300 200 0 0 0 0 0 0 0 0 0 0 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING MOSTLY CLOUDY (80-90 PERCENT). MAX TEMPERATURE.....75. MIN HUMIDITY........33 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 11 MPH EARLY IN THE MORNING. TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH INCREASING TO 18 TO 22 MPH LATE IN THE MORNING. MIXING HEIGHT.......100-400 FT AGL INCREASING TO 5500 FT AGL. HAINES INDEX........MAX 5. SMOKE DISPERSAL.....MAX EXCELLENT(1400). MIXING HEIGHT.......100-400 FT AGL INCREASING TO 5500 FT AGL. TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH INCREASING TO 18 TO 22 MPH LATE IN THE MORNING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........6 19 19 24 78 78 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............52 57 65 71 74 74 RH..............83 72 54 41 33 33 20 FT WIND......SE 3 SE 5 SE 6 SE 7 SE 9 SE 10 20 FT WIND GUST.5 10 15 15 20 20 HAINES INDEX....5 5 4 4 5 4 SMOKE DISP......0 0 100 700 1400 1200 $$ FORECASTER...JEFF LUTZ REQUESTED BY...JIM FISHER TYPE OF REQUEST...WILDFIRE .TAG 20100520.GRAYL.01/APX