549
FNUS73 KDLH 050922
FWSDLH

Spot Forecast for Big Bull Riparian...USFS
National Weather Service Duluth MN
422 AM CDT Sun May 5 2024

Forecast is based on ignition time of 1200 CDT on May 05.
If there are questions or concerns with this forecast, or if
conditions become unrepresentative, contact the National
Weather Service in Duluth at 218-729-0653.

.DISCUSSION...

Northwest winds late this morning back to westerly by ignition
time today and remain westerly into early tonight. Winds increase
late tonight from the south to become breezy southeasterly winds
by Monday morning. No rainfall is expected at the fire site in the
forecast period. The next round of a wetting rainfall begins late
Monday night into pre-dawn Tuesday morning.

.TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 61.
Min humidity........31 percent.
Wind (20 ft)........West winds around 6 mph.
Mixing height.......7300 ft AGL.
Transport winds.....West 10 to 12 mph.
Smoke dispersal.....Good to excellent (54100-73100 knot-ft).
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  PCLDY
Chc of pcpn (%).0      0      0
LAL.............1      1      1
Temp............54     57     61
RH..............45     37     32
20 ft wind......W 6    W 6    W 5
20 ft wind gust.12     12     11
Mix hgt (ft)....5400   6800   7300
Transport wind..W 12   W 11   W 10
Haines index....3      4      4
SDspl kt-ft/100054     68     73

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 39.
Max humidity........85 percent.
Wind (20 ft)........West winds around 5 mph early in the evening
                    becoming light, then becoming south around 5
                    mph overnight.
Mixing height.......6200 ft AGL decreasing to 1000 ft AGL.
Transport winds.....West 7 to 9 mph shifting to the south 7 to 10
                    mph in the late evening and overnight.
Smoke dispersal.....Good (50000 knot-ft) decreasing to poor to fair
                    (2400-22300 knot-ft).
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 PM         10 PM        2 AM
Sky cover.......MCLEAR       MCLEAR       MCLEAR
Chc of pcpn (%).0            0            0
LAL.............1            1            1
Temp............60           47           41
RH..............32           63           76
20 FT wind......W 4G9        S 2G6        S 4G7
Mix hgt (ft)....6200         300          300
Transport wind..W 9          SE 8         S 9
Haines index....4            4            3
SDspl kt-ft/100050           2            3

.MONDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 69.
Min humidity........33 percent.
Wind (20 ft)........Southeast winds 5 to 12 mph.
Mixing height.......1800 ft AGL increasing to 5600 ft AGL in the
                    late morning and afternoon.
Transport winds.....South 10 to 17 mph.
Smoke dispersal.....Poor to fair (3400-23200 knot-ft) increasing to
                    excellent (64700-83500 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 AM         10 AM        2 PM
Sky cover.......MCLEAR       MCLEAR       PCLDY
Chc of pcpn (%).0            0            0
LAL.............1            1            1
Temp............39           61           68
RH..............85           49           34
20 FT wind......S 4G9        S 8G14       SE 11G18
Mix hgt (ft)....400          3700         5400
Transport wind..S 10         S 16         S 17
Haines index....3            3            3
SDspl kt-ft/10003            52           82

$$
Forecaster...Nathan
Requested by...Jeb Backe
Type of request...PRESCRIBED
.TAG 2413108.1/DLH
.DELDT 05/05/24
.FormatterVersion 2.0.0
.EMAIL jeb.backe@usda.gov