FNUS73 KFGF 042039 FWSFGF SPOT FORECAST FOR SILO WILDFIRE...USFWS NATIONAL WEATHER SERVICE GRAND FORKS ND 339 PM CDT FRI NOV 4 2011 FORECAST IS BASED ON REQUEST TIME OF 1524 CDT ON NOVEMBER 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... .DISCUSSION... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 01Z FOR PORTIONS OF EASTERN NORTH DAKOTA (EXCEPT DEVILS LAKE BASIN) AND WESTERN MINNESOTA. STRONG SOUTHERLY WINDS FROM 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE EXPECTED UNTIL THAT TIME. THE GUSTY WINDS WILL PROVIDE EXCELLENT SMOKE DISPERSAL UNTIL SUNSET WHEN THE INVERSION WILL SET UP AGAIN. OTHERWISE...EXPECT FAIR SMOKE DISPERSAL OVERNIGHT AFTER INVERSION SET-UP. A DRY AIRMASS REMAINS IN PLACE INTO THE EVENING HOURS...MAINLY OVER NORTHWESTERN MINNESOTA...AND AFTERNOON RELATIVE HUMIDITIES ARE EXPECTED TO BE IN THE 20 TO 25 PERCENT RANGE. STRONG MIXING OF DRY AIR FROM ALOFT COULD OCCASIONALLY BRING HUMIDITY VALUES BELOW 20 PERCENT. SATURDAY MORNING INTO SATURDAY NIGHT...HUMIDITIES WILL INCREASE AND WINDS WILL DROP TO 10 TO 15 MPH AFTER MIDNIGHT. EXPECT WINDS TO INCREASE AGAIN BY LATE MORNING AS THE INVERSION BREAKS. INCREASING LOW LEVEL MOISTURE WILL KEEP MINIMUM HUMIDITIES ELEVATED FOR SATURDAY...AND PRECIPITATION CHANCES WILL INCREASE LATER SATURDAY EVENING AS A LOW PRESSURE SYSTEM CROSSES THE AREA. .REST OF TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....51-56. MIN HUMIDITY........17-22 PERCENT. WIND (20 FT)........WINDY. SOUTH WINDS 22 TO 27 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......1400-2900 FT AGL. MIXING WINDS........SOUTH 29 TO 38 MPH. TIME (CDT) 4PM 5PM 6PM SKY (%).........15 14 15 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............53 51 48 RH..............28 31 33 20 FT WIND DIR..S S S 20 FT WIND SPD..24 22 18 20 FT WIND GUST.45 35 30 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....33-38. MAX HUMIDITY........67-72 PERCENT. WIND (20 FT)........SOUTH WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......200-700 FT AGL. MIXING WINDS........SOUTH 15 TO 24 MPH DECREASING TO 13 TO 14 MPH AFTER MIDNIGHT. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........15 17 18 20 21 23 25 27 30 32 34 36 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............48 45 44 42 41 40 39 39 38 37 37 36 RH..............34 36 39 44 46 50 52 54 57 61 64 69 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..15 14 14 14 14 12 12 12 11 11 11 11 20 FT WIND GUST.25 25 25 25 20 20 20 20 20 20 20 20 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....53-58. MIN HUMIDITY........49-54 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 12 TO 17 MPH WITH GUSTS TO AROUND 25 MPH. MIXING HEIGHT.......200-2000 FT AGL INCREASING TO 1200-2400 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........SOUTH 13 TO 22 MPH SHIFTING TO THE SOUTHEAST 24 TO 28 MPH IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........38 40 41 43 46 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............36 35 42 50 54 55 RH..............72 66 60 54 54 57 20 FT WIND......S 11 S 12 S 14 S 14 SE 15 SE 14 20 FT WIND GUST.20 20 25 25 25 25 $$ FORECASTER...HOPKINS REQUESTED BY...LEE NELSON TYPE OF REQUEST...WILDFIRE .TAG 20111104.SILOW.01/FGF