Spot Forecast Issued by NWS Milwaukee/Sullivan, WI
000
FNUS73 KMKX 250946
FWSMKX
Spot Forecast for Oakfield Breakneck Rx Burn...WI DNR
National Weather Service Milwaukee/Sullivan WI
446 AM CDT Thu Apr 25 2024
Forecast is based on ignition time of 0800 CDT on April 25.
Please contact the National Weather Service if conditions become
unrepresentative or if you have questions/concerns about this forecast.
.DISCUSSION...
Chilly temperatures at ignition should rise through the 40s this
morning and into the middle to upper 50s this afternoon. Light
southeast 20 foot winds at ignition will gradually increase this
morning but remain in the 5 to 9 MPH into this afternoon. Relative
humidity values around 60 percent at ignition will quickly drop to
around 30 percent by midday and to 25 percent by middle
afternoon. It could drop to as low as 20 percent this afternoon.
Poor smoke dispersal values at ignition will quickly become good
by midday into this afternoon. Low mixing heights at ignition will
quickly rise above 4000 feet AGL by midday and 5000 feet AGL by
middle afternoon.
.TODAY...
Sky/weather.........Sunny (15-25 percent). Widespread frost early
in the morning.
Temperature.........36 at ignition...Max 58.
RH..................61 percent at ignition...Min 25 percent.
Wind (20 ft)........Winds southeast at 3 mph at
ignition...otherwise Light winds becoming
southeast 5 to 9 mph late in the morning.
Mixing height.......600 ft AGL at ignition...otherwise 5100 ft AGL.
Transport winds.....Southeast 6 to 13 mph.
Smoke dispersal.....Poor /3400 knot-ft/ at ignition. Max...good
/51300 knot-ft/.
Haines Index........5 or moderate potential for large plume
dominated fire growth at ignition...max 5.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 23 16 10 3 3 3 3 3 3 3 3
Weather cov.....WID WID
Weather type....FST FST
Tstm cov........
Temp............30 32 36 42 48 52 55 57 57 57 57 58
RH..............75 72 61 48 39 33 30 28 28 27 27 26
20 FT wind dir..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT wind spd..3 3 3 3 4 5 6 7 8 9 9 9
20 FT wind gust.4 4 5 6 6 7 8 10 10 11 11 12
Mix hgt (kft)...0.4 0.4 0.6 1.2 1.8 3.1 4.4 4.9 5.1 5.1 4.9 4.3
Transp wind dir.S S S S S SE SE SE SE SE S SE
Transp wind spd.7 6 7 6 7 8 8 9 10 12 12 13
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/10002 2 3 6 11 22 31 39 46 51 49 47
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Temperature.........Min 37.
RH..................Max 79 percent.
Wind (20 ft)........Southeast winds 7 to 10 mph.
Mixing height.......400 ft AGL.
Transport winds.....Southeast 13 to 18 mph.
Smoke dispersal.....Good (42800 knot-ft) early in the evening
decreasing to poor (4500 knot-ft) late in the
night.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........4 5 6 7 9 9 10 11 15 19 23 30
Weather cov.....
Weather type....
Tstm cov........
Temp............56 53 49 43 41 40 39 39 39 39 39 38
RH..............27 32 39 51 57 62 67 67 67 70 73 76
20 FT wind dir..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT wind spd..8 8 8 7 7 7 8 8 8 9 9 10
20 FT wind gust.12 12 10 10 8 10 11 13 14 14 14 16
Mix hgt (kft)...3.3 0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5
Transp wind dir.SE SE SE E SE SE SE SE SE SE SE SE
Transp wind spd.15 14 13 13 14 14 14 16 18 17 18 18
Haines index....5 5 5 5 5 5 5 4 4 4 4 4
SDspl kt-ft/100043 9 5 5 5 5 5 6 7 7 8 9
.FRIDAY...
Sky/weather.........Partly sunny (55-65 percent) then becoming
cloudy (85-95 percent). Rain showers likely in
the afternoon.
Temperature.........Max 58.
RH..................Min 46 percent.
Wind (20 ft)........Southeast winds 12 to 17 mph. Gusts up to 31
mph increasing to 32 mph late in the afternoon.
Mixing height.......2100 ft AGL.
Transport winds.....Southeast 18 to 26 mph increasing to 29 to 30
mph in the afternoon.
Smoke dispersal.....Poor (9500 knot-ft) early in the morning
increasing to good (54300 knot-ft) in the
afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........37 44 54 64 74 78 82 86 88 89 91 94
Weather cov..... LKY LKY LKY LKY LKY
Weather type.... RW RW RW RW RW
Tstm cov........
Temp............39 40 45 49 52 55 56 57 57 57 56 55
RH..............76 73 62 54 50 47 47 47 47 47 51 55
20 FT wind dir..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT wind spd..11 12 13 14 15 15 16 16 17 17 17 17
20 FT wind gust.18 19 21 22 23 24 24 24 25 25 26 26
Mix hgt (kft)...0.6 0.7 1.3 1.5 1.7 1.8 2.0 2.1 2.0 1.9 1.8 1.6
Transp wind dir.SE SE SE SE SE SE SE SE SE SE SE SE
Transp wind spd.18 18 24 25 24 26 29 30 30 30 30 30
Haines index....4 4 4 4 4 4 4 4 4 4 4 4
SDspl kt-ft/100010 11 26 34 37 42 49 54 52 49 47 43
$$
Forecaster...Wood
Requested by...Jake Koebernik
Type of request...PRESCRIBED
.TAG 2412320.0/MKX
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL Jacob.koebernik@wisconsin.gov