649
FNUS73 KDLH 131111
FWSDLH

Spot Forecast for Lydick Brook Units 1 and 5...USFS
National Weather Service Duluth MN
611 AM CDT Mon May 13 2024

Forecast is based on ignition time of 1000 CDT on May 13.
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...

Rain-free weather and dry conditions are expected for both today
and Tuesday. Skies will be sunny today aside from some haze due to
smoke aloft from Canadian wildfires. Mixing heights won`t be quite
as deep as previous days, starting around 3500 ft and rising to
5200 ft. High temperatures rise into the mid 60s, with min RH
values dropping to around 25-28%, but could dip 3-5% below that
if mixing becomes deeper this afternoon. Northerly winds will be
weaker today, sustained at 6-8 mph with gusts to around 10 mph.
Smoke dispersal will be good today.

RH values remain pretty similar for Tuesday, dropping to 27-30%
on Tuesday with mixing heights rising to around 4500 ft. Winds
shift to easterly at 5-7 mph with gusts up to 8-12 mph. Smoke
dispersal starts out poor to fair and increases to good by mid-
afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 63.
Min humidity........27 percent.
Wind (20 ft)........North winds 6 to 7 mph.
Mixing height.......5200 ft AGL.
Transport winds.....North 10 to 12 mph.
Smoke dispersal.....Good (30800-50200 knot-ft) increasing to good
                    (46500 knot-ft) late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  PC  PC  PC  PC  PC
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............51  54  56  58  60  61  62  63
RH..............52  45  40  34  33  28  28  27
20 FT wind dir..N   N   N   N   N   N   N   N
20 FT wind spd..5   5   6   7   7   7   7   7
20 FT wind gust.8   8   9   9   9   9   9   9
Mix hgt (kft)...3.4 3.6 4.0 4.5 4.8 5.0 5.1 5.2
Transp wind dir.N   N   N   N   N   N   N   N
Transp wind spd.10  12  12  12  12  12  12  10
Haines index....3   3   3   3   3   3   3   3
SDspl kt-ft/100031  36  40  45  48  50  51  47

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 41.
Max humidity........76 percent.
Wind (20 ft)........Northeast winds 5 to 6 mph shifting to the east
                    around 5 mph overnight.
Mixing height.......4900 ft AGL decreasing to 2300 ft AGL early in
                    the evening.
Transport winds.....North 9 to 10 mph shifting to the southeast
                    around 9 mph early in the morning.
Smoke dispersal.....Good (34600-44100 knot-ft) decreasing to poor
                    to fair (2700-18700 knot-ft) early in the
                    evening.
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   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......PCLDY  PCLDY  PCLDY  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............62     58     51     48     45     43
RH..............28     36     52     58     65     71
20 ft wind......N 6    N 5    NE 4   E 4    E 4    E 4
20 ft wind gust.9      8      8      6      6      7
Mix hgt (ft)....4900   2300   500    500    400    400
Transport wind..N 10   N 9    NE 10  E 9    E 8    E 9
Haines index....3      3      3      3      4      4
SDspl kt-ft/100044     19     5      4      3      3

.TUESDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 66.
Min humidity........29 percent.
Wind (20 ft)........Southeast winds around 6 mph.
Mixing height.......2300 ft AGL increasing to 4600 ft AGL late in
                    the morning.
Transport winds.....Southeast 8 to 13 mph.
Smoke dispersal.....Poor to fair (3000-15800 knot-ft) increasing to
                    good (40900 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 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  PCLDY  PCLDY  PCLDY  MCLDY
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............42     47     55     60     63     65
RH..............76     60     46     37     31     29
20 ft wind......E 5    SE 5   SE 6   SE 6   SE 6   SE 6
20 ft wind gust.11     11     11     9      8      9
Mix hgt (ft)....400    1100   2300   3800   4500   4600
Transport wind..SE 9   SE 13  SE 12  SE 9   SE 9   SE 12
Haines index....4      3      3      3      4      4
SDspl kt-ft/10003      12     23     30     34     46

$$
Forecaster...Cory
Requested by...Mike Klick
Type of request...PRESCRIBED
.TAG 2413860.1/DLH
.DELDT 05/13/24
.FormatterVersion 2.0.0
.EMAIL michael.klick@usda.gov