FNUS71 KBUF 171249 FWSBUF SPOT FORECAST FOR IROQUOIS GRASSLANDS...USFWS NATIONAL WEATHER SERVICE BUFFALO NY 849 AM EDT THU MAY 17 2012 FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON MAY 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE OVER THE GREAT LAKES WILL BE FIRMLY IN CONTROL OF OUR WEATHER THROUGH FRIDAY. RELATIVE HUMIDITIES WILL FALL INTO THE 20-30 PERCENT RANGE THIS AFTERNOON WITH SOME READINGS INTO THE TEENS. WINDS WILL NOT BE GUSTY ENOUGH TO BE CONCERNED FOR ANY RAPID FIRE GROWTH AND WIND DIRECTION TODAY WILL VARY FROM SLIGHTLY SOUTH OF WEST TO SLIGHTLY NORTH OF NORTHWEST. .TODAY... SKY/WEATHER.........SUNNY (0 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........20 PERCENT. 20 FOOT WIND........NORTHWEST WINDS 5 TO 9 MPH. HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......MAX 5800 FT AGL. TRANSPORT WINDS.....NORTHWEST 7 TO 13 MPH. SMOKE DISPERSION....MAX 43 (AVERAGE). WAVE HEIGHT.........0 FEET. WAVE HEIGHT.........0 FEET. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............0 1 1 1 1 1 1 1 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................53 55 58 59 60 61 61 61 RH..................46 34 28 24 21 20 21 24 20 FT WIND DIR......NW NW NW NW NW NW NW W 20 FT WIND SPD......8 9 9 9 9 8 8 6 20 FT WIND GUST.....10 10 10 10 10 10 10 HAINES INDEX........4 4 5 5 5 5 5 5 SMK DISPERSION......30 39 42 43 42 42 40 32 WAVE HEIGHT (FT)....0 0 0 0 0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5 PERCENT). MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........86 PERCENT. 20 FOOT WIND........WEST WINDS AROUND 5 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......MIN 100 FT AGL. TRANSPORT WINDS.....SOUTH 2 TO 9 MPH...INCREASING TO 14 TO 16 MPH LATE IN THE EVENING. SMOKE DISPERSION....MIN 0 (POOR). WAVE HEIGHT.........0 FEET. WAVE HEIGHT.........0 FEET. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............0 0 0 0 0 0 0 0 0 2 7 12 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................59 57 54 51 49 47 46 45 43 42 42 41 RH..................31 41 51 57 57 56 59 63 68 67 66 68 20 FT WIND DIR......W SW SW SW S S S S S S S S 20 FT WIND SPD......5 3 1 2 5 7 8 8 8 8 8 7 20 FT WIND GUST..... 10 10 10 10 10 HAINES INDEX........5 5 5 5 5 5 5 5 5 5 4 4 SMK DISPERSION......15 4 0 0 1 1 1 1 1 1 1 1 WAVE HEIGHT (FT)....0 0 0 0 0 0 0 0 0 0 0 0 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (30 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........32 PERCENT. 20 FOOT WIND........SOUTH WINDS 5 TO 6 MPH EARLY IN THE MORNING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 5 TO 6 MPH LATE IN THE MORNING...BECOMING LIGHT AND VARIABLE. HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......MAX 4700 FT AGL. TRANSPORT WINDS.....SOUTHEAST 3 TO 12 MPH...BECOMING SOUTH 2 TO 6 MPH EARLY IN THE AFTERNOON. SMOKE DISPERSION....MAX 21 (FAIR). WAVE HEIGHT.........0 FEET. WAVE HEIGHT.........0 FEET. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............16 21 23 35 43 43 43 43 43 43 42 40 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................41 42 48 55 61 64 68 71 74 75 76 76 RH..................76 86 79 54 42 37 34 33 32 32 33 35 20 FT WIND DIR......S S S S SE SE SE E E E E E 20 FT WIND SPD......6 5 3 5 6 6 5 2 1 1 1 2 20 FT WIND GUST..... 5 5 5 5 5 5 HAINES INDEX........4 4 4 4 5 5 5 5 5 5 5 5 SMK DISPERSION......1 0 0 6 12 17 16 13 11 13 18 21 WAVE HEIGHT (FT)....0 0 0 0 0 0 0 0 0 0 0 0 $$ FORECASTER...BILL HIBBERT REQUESTED BY...PAUL HESS TYPE OF REQUEST...PRESCRIBED .TAG 20120517.IROQU.01/BUF