Spot Forecast
Issued by NWS Duluth, MN

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000
FNUS73 KDLH 241220 AAA
FWSDLH

Spot Forecast for Moss Lake Unit 2...UPDATED
National Weather Service Duluth MN
720 AM CDT Wed Apr 24 2024

Forecast is based on ignition time of 1000 CDT on April 24.
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...

Sunny skies are expected today as high pressure moves into the
region. This high pressure will keep winds light through the day,
with southerly winds bring around 5 mph. Forecasted winds were
slightly lowered compared to the general winds today, as a weak
northerly lake breeze will be possible from Ten Section Lake. Min
RH today will be dropping as low as 25 percent this afternoon as
dry air aloft is mixed to the surface. Smoke dispersal today will
be increasing from fair around the time of ignition to good by the
afternoon as mixing height increases to around 6,600 ft.

Another dry and mainly sunny day for tomorrow. Afternoon RH values
are not expected to be as low, falling to around 30 percent.
However, winds will be breezier from the south at 5 to 15 mph with
gusts to 20 to 22 mph. This may lead to better than expected
drying conditions while may push afternoon RH values lower.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 61.
Min humidity........25 percent.
Wind (20 ft)........South winds around 6 mph.
Mixing height.......3200 ft AGL increasing to 6600 ft AGL.
Transport winds.....Southwest 8 to 10 mph.
Smoke dispersal.....Fair to good (17600-34900 knot-ft) increasing
                    to good (41100-52200 knot-ft) in the afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR CLR CLR CLR CLR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1
Temp............44  47  52  54  57  59  60  61
RH..............62  51  42  36  30  26  25  25
20 FT wind dir..S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   6   6   6   5   5
20 FT wind gust.11  11  11  12  12  12  12  11
Mix hgt (kft)...2.0 3.2 4.4 5.1 5.8 6.2 6.5 6.6
Transp wind dir.S   S   SW  SW  SW  SW  SW  SW
Transp wind spd.10  10  9   9   9   8   9   8
Haines index....4   4   4   5   5   5   5   5
SDspl kt-ft/100018  29  35  41  46  43  52  46

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 37.
Max humidity........73 percent.
Wind (20 ft)........South winds 5 to 6 mph.
Mixing height.......6200 ft AGL decreasing to 500 ft AGL.
Transport winds.....South 8 to 14 mph.
Smoke dispersal.....Good (49700 knot-ft) decreasing to poor (3200
                    knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............60     55     46     42     40     38
RH..............25     37     57     63     71     71
20 ft wind......S 5    S 4    S 4    S 6    S 6    S 6
20 ft wind gust.11     9      9      12     13     13
Mix hgt (ft)....6200   500    400    500    500    500
Transport wind..S 9    S 9    S 12   S 14   S 14   S 13
Haines index....5      5      5      5      5      5
SDspl kt-ft/100050     4      4      6      6      6

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 67.
Min humidity........31 percent.
Wind (20 ft)........South winds 6 to 15 mph.
Mixing height.......1800 ft AGL increasing to 5000 ft AGL.
Transport winds.....South 13 to 22 mph increasing to 24 to 25 mph
                    in the late morning and afternoon.
Smoke dispersal.....Poor to fair (5600-23400 knot-ft) increasing to
                    excellent (81200-110100 knot-ft).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR MCLEAR MCLEAR PCLDY  PCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............37     43     54     61     66     67
RH..............73     58     43     36     31     32
20 ft wind......S 6    S 8    S 10   S 12   S 13   S 15
20 ft wind gust.13     14     19     21     23     23
Mix hgt (ft)....500    1000   1800   3800   5000   5000
Transport wind..S 13   S 20   S 24   S 24   S 25   S 25
Haines index....5      4      4      4      4      4
SDspl kt-ft/10006      17     37     81     110    110

$$
Forecaster...Bryan
Requested by...Brent Rahn
Type of request...PRESCRIBED
.TAG 2412053.1/DLH
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL Angela.Schmitt@usda.gov


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