Spot Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
817
FNUS73 KDLH 181008
FWSDLH
Spot Forecast for Barnes Slash Burn...Wisconsin DNR
National Weather Service Duluth MN
508 AM CDT Wed Sep 18 2024
Forecast is based on ignition time of 1000 CDT on September 18.
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...
Another warm day with Min RHs around 40% this afternoon.
Persistent southerly winds will continue with a few gusts in the
afternoon around 20 mph. Low level inversions to start the day
will make for poor mixing initially. At ignition time ventilation
rates may still be fair but are expected to improve to excellent
by the afternoon. Rain chances will not return until tomorrow
morning.
.REST OF TODAY...
Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 83.
Min humidity........41 percent.
Wind (20 ft)........South winds 8 to 10 mph. Gusts up to 22 mph in
the late morning and afternoon.
Mixing height.......2800 ft AGL increasing to 4400 ft AGL in the
afternoon.
Transport winds.....South 18 to 21 mph.
Smoke dispersal.....Fair to good (21400-31700 knot-ft) increasing
to excellent (64700-79300 knot-ft).
Haines Index........4 or 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............74 77 78 81 82 82 83 81
RH..............50 47 43 41 41 41 43 46
20 FT wind dir..S S S S S S S S
20 FT wind spd..8 9 9 9 9 10 9 8
20 FT wind gust.20 20 19 19 19 19 18 16
Mix hgt (kft)...1.3 1.9 2.8 3.5 4.0 4.4 4.3 3.8
Transp wind dir.S S S S S S S S
Transp wind spd.18 20 21 20 20 21 20 20
Haines index....4 4 4 4 4 4 4 4
SDspl kt-ft/100021 32 50 59 68 79 73 65
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) then becoming
mostly cloudy (50-60 percent) then becoming
partly cloudy (45-55 percent) then becoming
mostly cloudy (50-60 percent). Slight chance of
showers after 3 am. Slight chance of
thunderstorms after 3 am. Chance of showers
early in the morning.
Chance of pcpn......30 percent.
LAL.................1 until 0400, then 2.
Min temperature.....Around 60.
Max humidity........78 percent.
Wind (20 ft)........South winds 6 to 7 mph. Gusty and erratic winds
expected near thunderstorms after 3 am.
Mixing height.......1600 ft AGL.
Transport winds.....South 12 to 15 mph.
Smoke dispersal.....Poor to fair (4500-21100 knot-ft).
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
Pcpn amount.........0.01 inches.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC PC PC MC MC MC PC PC PC PC MC MC
Weather cov..... SCH SCH CHC
Weather type.... RW RW RW
Tstm cov........ SCH SCH
Chc of pcpn (%).0 0 0 0 0 10 10 10 10 20 20 30
LAL.............1 1 1 1 1 1 1 1 1 1 2 2
Temp............79 76 71 69 68 67 66 65 65 63 62 62
RH..............49 54 61 63 63 65 63 65 65 67 70 70
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..7 6 6 6 7 7 7 7 7 7 7 7
20 FT wind gust.15 14 14 15 16 16 16 16 16 16 16 16
Mix hgt (kft)...1.6 0.7 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S S S S S S S S S S S S
Transp wind spd.15 12 12 13 14 15 15 15 15 15 15 14
Haines index....4 4 4 4 4 4 4 3 3 3 3 3
SDspl kt-ft/100021 7 5 5 5 7 7 6 6 6 7 6
.THURSDAY...
Sky/weather.........Partly sunny (55-65 percent). Slight chance of
thunderstorms in the morning and early
afternoon. Chance of showers through the day.
Chance of thunderstorms late in the afternoon.
Chance of pcpn......50 percent.
LAL.................2 until 1600, then 3.
Max temperature.....Around 81.
Min humidity........60 percent.
Wind (20 ft)........South winds 7 to 12 mph. Gusts up to 24 mph.
Gusty and erratic winds expected near
thunderstorms in the morning and early
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing height.......2100 ft AGL increasing to 3500 ft AGL in the
afternoon.
Transport winds.....South 15 to 24 mph increasing to 25 to 28 mph
late in the afternoon.
Smoke dispersal.....Poor to fair (5800-21200 knot-ft) increasing to
good to excellent (56100-84400 knot-ft).
Haines Index........3 or very low potential for large plume
dominated fire growth.
Pcpn amount.........0.52 inches.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC MC MC MC MC MC MC MC MC MC PC MC
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH CHC CHC
Chc of pcpn (%).40 40 40 40 40 40 30 30 40 40 50 50
LAL.............2 2 2 2 2 2 2 2 2 2 3 3
Temp............61 62 64 66 69 72 75 77 79 80 80 79
RH..............75 75 78 78 70 66 62 62 60 60 60 62
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..7 8 8 9 9 10 10 10 10 11 11 10
20 FT wind gust.16 18 18 19 20 21 21 21 22 22 22 22
Mix hgt (kft)...0.5 0.4 0.8 0.9 1.2 1.6 2.1 2.6 2.9 3.2 3.5 2.6
Transp wind dir.S S S S S S S S S S S S
Transp wind spd.15 15 15 17 21 20 21 22 24 26 28 25
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/10006 6 11 14 21 28 37 50 62 75 84 56
$$
Forecaster...Lee
Requested by...Eric Sirrine
Type of request...PRESCRIBED
.TAG 2422642.0/DLH
.DELDT 09/18/24
.FormatterVersion 2.0.0
.EMAIL eric.sirrine@wi.gov