Spot Forecast Issued by NWS Duluth, MN
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