FNUS73 KMQT 111152 FWSMQT SPOT FORECAST FOR WHISPERING PINES...MI DNR NATIONAL WEATHER SERVICE MARQUETTE MI 752 AM EDT THU AUG 11 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON AUGUST 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LIGHT WEST WINDS WILL BRING SLIGHTLY WARMER AIR INTO THE REGION TODAY ALONG WITH SLOWLY INCREASING MOISTURE. TEMPERATURES WILL BE NEAR SEASONAL AVERAGES IN THE LOW 80S. WITH DEWPOINTS IN THE LOW TO MID 50S...MINIMUM RELATIVE HUMIDITY VALUES WILL FALL TO AROUND 42 PERCENT. A WEAK DISTURBANCE MAY SET OFF SOME ISOLATED SHOWERS AND THUNDERSTORMS THIS AFTERNOON...ALTHOUGH COVERAGE AND PRECIPITATION AMOUNTS REMAINS IN QUESTION. A STRONGER LOW PRESSURE SYSTEM WILL MOVE IN FROM FRIDAY INTO SATURDAY BRINGING A BETTER CHANCE FOR SHOWERS AND A FEW THUNDERSTORMS. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....75 AT IGNITION...MAX 82. MIN HUMIDITY........48 PERCENT AT IGNITION...MIN 42 PERCENT. GENERAL WINDS.......WINDS WEST AT 8 MPH AT IGNITION...OTHERWISE WEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TRANSPORT WINDS.....WEST 7 TO 16 MPH. VENTILATION INDEX...GOOD (315) AT IGNITION. MAX...GOOD (440) INCREASING TO EXCELLENT (779) IN THE AFTERNOON...THEN DECREASING TO FAIR (242) EARLY IN THE EVENING. MIXING HEIGHT.......300-1400 FT AGL INCREASING TO 3900 FT AGL AT IGNITION...OTHERWISE 2500-3900 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5500-6700 FT AGL EARLY IN THE AFTERNOON INCREASING TO 7100-7800 FT AGL BY MID AFTERNOON...THEN DECREASING TO 5100 FT AGL EARLY IN THE EVENING DECREASING TO 2400 FT AGL BY MID EVENING. RAINFALL AMOUNT.....0.01 INCHES. TIME (CDT) 11 AM 1 PM 3 PM 5 PM SKY (%).........45 50 49 49 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE TSTORM TSTORM TSTORM TEMP............75 80 81 80 RH..............48 43 42 45 GENERAL WIND....W 6 W 7 W 7 SW 6 GENERAL GUST....10 15 15 15 VINDX KT-FT/100.315 605 779 506 MIX HGT (FT)....3900 6700 7800 5100 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....MIN 60. MAX HUMIDITY........MAX 85 PERCENT. GENERAL WINDS.......WEST WINDS 6 TO 11 MPH DECREASING TO 5 MPH OR LESS AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 12 TO 21 MPH. VENTILATION INDEX...POOR (0). MIXING HEIGHT.......0-300 FT AGL. RAINFALL AMOUNT.....0.00 INCHES. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........48 47 46 46 46 46 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............78 71 66 64 63 61 RH..............51 65 78 80 81 85 GENERAL WIND....SW 5 SW 5 W 5 W 4 W 4 W 4 GENERAL GUST....10 10 5 5 5 VINDX KT-FT/100.27 0 35 35 39 35 MIX HGT (FT)....300 BLW100 200 300 200 200 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY. A SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....MAX 81. MIN HUMIDITY........MIN 49 PERCENT. GENERAL WINDS.......WEST WINDS 4 TO 9 MPH SHIFTING TO THE SOUTHWEST 5 TO 10 MPH BY LATE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RAINFALL AMOUNT.....0.00 INCHES. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........46 49 53 56 61 67 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE TSTORM TSTORM TSTORM TEMP............65 71 77 80 80 80 RH..............76 67 55 50 49 50 GENERAL WIND....W 5 W 5 SW 6 SW 8 SW 8 SW 7 GENERAL GUST....10 10 15 15 15 15 $$ FORECASTER...TITUS REQUESTED BY...BRYCE AVERY TYPE OF REQUEST...PRESCRIBED .TAG 20110811.WHISP.01/MQT