FNUS73 KDLH 101400
FWSDLH

SPOT FORECAST FOR RILEY...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE DULUTH MN
900 AM CDT THU MAY 10 2012

FORECAST IS BASED ON IGNITION TIME OF 0845 CDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL SLOWLY MOVE OFF TO THE EAST OF THE REGION
TODAY...WITH LIGHT AND VARIABLE WINDS LINGERING THROUGH ABOUT 10
AM. VERY SHALLOW MORNING INVERSIONS WILL BREAK BY 10-11 AM AT THE
LATEST...ALLOWING FOR A RAPID WARMING OF TEMPERATURES INTO THE MID
TO UPPER 60S BY NOON TO 1 PM. SOUTH TO SOUTHWEST WINDS FROM 5-8
MPH WITH PERHAPS A FEW GUSTS ABOVE THE FOREST CANOPY INTO THE
11-14 MPH RANGE 1-5 PM. HIGH TEMPS SHOULD REACH TO NEAR 70 WITH
MINIMUM RELATIVE HUMIDITY DROPPING TO AROUND 25 PERCENT FOR A 3-5
HOUR PERIOD MID TO LATE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY THEN
                    BECOMING MOSTLY SUNNY.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 4 TO 8 MPH.
MIXING HEIGHT.......2700 FT AGL INCREASING TO 7800 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 8400 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 7800 FT
                    AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....FAIR (15700) INCREASING TO EXCELLENT (61700)
                    LATE IN THE MORNING...THEN DECREASING TO GOOD
                    (55450) IN THE AFTERNOON.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
TEMP............51     61     67     70     70     68
RH..............52     39     29     24     23     29
20 FT WIND DIR..SW     SW     SW     SW     SW     SW
20 FT WIND SPD..1      4      5      6      8      7
20 FT WIND GUST.       5      6      8      13     8

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........SOUTH WINDS 3 TO 6 MPH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (37500) DECREASING TO POOR (1600) IN THE
                    LATE EVENING AND OVERNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............65     58     51     47     45     45
RH..............38     50     66     79     89     89
20 FT WIND DIR..SW     SW     SW     S      S      S
20 FT WIND SPD..6      5      4      3      3      4
20 FT WIND GUST.7      6      5                    5

$$
FORECASTER...DAN
REQUESTED BY...KAREN VANZO
TYPE OF REQUEST...PRESCRIBED
.TAG 20120510.RILEY.01/DLH