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000
FNUS73 KDLH 221155
FWSDLH

Spot Forecast for Isabella Helispot...USFS
National Weather Service Duluth MN
655 AM CDT Mon Apr 22 2024

Forecast is based on ignition time of 0900 CDT on April 22.
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...

Partly sunny skies through high clouds will increase and become
mostly cloudy this afternoon. Mixing heights at ignition start at
2900 ft and increase to 5500 ft late in the morning and afternoon.
The deeper mixing will lead to min RH dropping to around 27
percent, but could drop to as low as 23-25 percent today.
Scattered to widespread rain showers arrive late this afternoon
and evening. Expect southwest winds this morning to become breezy
to strong late this morning through afternoon ahead of an
approaching weak cold front. 20 ft wind gusts increase to 17 to
20 mph before weakening and turning light this evening. Smoke
dispersal will be fair early this morning and turning excellent
late morning into this afternoon. Expect winds to shift to
westerly after 2200 this evening as the cold front moves through.
Expect a brief break in the rain showers late this evening into
early tonight following the cold frontal passage. Winds shifting
to north-northeast on Tuesday as an Alberta Clipper system moves
into the area.

Scattered rain showers (40-50 percent chance) will continue on
Tuesday, ending Tuesday afternoon. Some light snow may even
briefly mix in, but no accumulations of snow are expected. Total
liquid precipitation amounts up to around 0.25 inches. Northerly
gusts reach to 18-21 mph, but min RH only drops into the mid 40s
Tuesday afternoon.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 60.
Min humidity........27 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph.
Mixing height.......2900 ft AGL increasing to 5500 ft AGL late in
                    the morning.
Transport winds.....Southwest 20 to 28 mph.
Smoke dispersal.....Fair (24300 knot-ft) increasing to excellent
                    (106900-132400 knot-ft).
Pcpn amount.........0.01 inches.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC  MC  MC  MC  MC  MC  MC  MC  MC
Weather cov.....                                CHC
Weather type....                                RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   10  10  10  30
Temp............49  53  56  57  59  59  59  60  59
RH..............34  31  29  28  27  28  29  29  33
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   9   10  11  11  11  11  11  10
20 FT wind gust.15  16  18  19  19  19  19  18  16
Mix hgt (kft)...1.4 2.9 3.6 4.5 4.6 4.9 5.5 5.5 5.2
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.20  24  25  28  28  28  26  28  25
SDspl kt-ft/100024  61  80  107 110 118 126 132 114

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (40-50 percent). Rain showers
                    likely in the evening, then slight chance of
                    rain showers overnight.
Chance of pcpn......60 percent.
Min temperature.....Around 34.
Max humidity........96 percent.
Wind (20 ft)........West winds 6 to 8 mph.
Mixing height.......2600 ft AGL decreasing to 700 ft AGL overnight.
Transport winds.....Southwest 13 to 21 mph shifting to the west 10
                    to 14 mph in the late evening and overnight.
Smoke dispersal.....Fair to good (27500-46400 knot-ft) decreasing
                    to poor (6000 knot-ft) early in the evening.
Pcpn amount.........0.03 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  PCLDY  PCLDY
Weather cov.....CHANCE CHANCE CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE
Tstm cov........
Chc of pcpn (%).50     50     30     20     20     10
Temp............57     51     46     45     42     39
RH..............38     56     76     76     79     85
20 ft wind......SW 8   SW 6   W 5    W 6    W 6    W 5
20 ft wind gust.14     12     9      11     12     11
Mix hgt (ft)....2600   800    700    600    700    700
Transport wind..SW 21  W 13   W 10   W 12   W 13   W 13
SDspl kt-ft/100046     8      6      6      7      7

.TUESDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (35-45 percent). Chance of rain
                    showers in the morning. Chance of snow showers
                    through the day.
Chance of pcpn......50 percent.
Max temperature.....Around 44.
Min humidity........41 percent.
Wind (20 ft)........Northwest winds 6 to 7 mph shifting to the
                    northeast 7 to 8 mph in the late morning and
                    afternoon.
Mixing height.......2200 ft AGL increasing to 3900 ft AGL in the
                    afternoon.
Transport winds.....Northwest around 12 mph shifting to the
                    northeast 17 to 20 mph in the afternoon.
Smoke dispersal.....Poor to fair (5800-19500 knot-ft) increasing to
                    good to excellent (51900-62300 knot-ft).
Pcpn amount.........0.21 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSN   SNSHWR NONE   NONE
Tstm cov........
Chc of pcpn (%).40     50     40     40     10     10
Temp............39     39     39     38     39     40
RH..............89     85     76     70     57     46
20 ft wind......NW 5   NW 6   N 8    NE 8   NE 8   NE 8
20 ft wind gust.11     12     14     15     15     14
Mix hgt (ft)....600    1000   1500   2200   3000   3900
Transport wind..W 12   N 13   N 15   NE 18  NE 20  N 18
SDspl kt-ft/10006      11     20     35     52     62

$$
Forecaster...Cory
Requested by...Justin OBrien
Type of request...PRESCRIBED
.TAG 2411670.0/DLH
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL justin.obrien@usda.gov