139
FNUS73 KOAX 281705
FWSOAX

Spot Forecast for SC Canyon rx. Burn...Jansen rural Fire
National Weather Service Omaha/Valley NE
1105 AM CST Fri Feb 28 2025

Forecast is based on ignition time of 1200 CST on March 01.
If conditions become unrepresentative, contact the National Weather
Service.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING...

.DISCUSSION...

Expect a cooler day Saturday compared to recent days with a mix of
sun and clouds. Temperature at ignition should be in the lower 40s
and top out in the mid 40s, with RH values falling into the mid
30s by mid-afternoon. Winds will be on the lighter side, with
speeds of 6 to 10 mph out of the north-northeast to start and
will weaken slightly and become a little more easterly through
the afternoon. The light winds may limit mixing a bit, especially
early, but still expected to see fair smoke dispersal in the
afternoon. RH will recover into the mid 60s overnight.

Sunday will be warmer and windier, but with similar minimum RH
values. Expect a high temperature around 57 with south winds
gusting 20 to 25 mph.

Strongest Possible Wind Speeds on Day of Burn: gusts 15-17 mph

Lowest Possible Relative Humidity on Day of Burn: 25%

.SATURDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 47.
Min humidity........35 percent.
Eye level winds.....North winds around 4 mph early in the afternoon
                    becoming light.
Surface winds (mph).North winds 6 to 8 mph early in the afternoon
                    becoming light.
Wind (20 ft)........North winds 5 to 7 mph early in the afternoon
                    becoming light.
Smoke dispersal.....Poor (8500 knot-ft) early in the morning
                    increasing to fair (26900 knot-ft) in the
                    afternoon.
GFDI................3.

TIME (CST)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36  32  26  30  28  31
Weather cov.....
Weather type....
Tstm cov........
Temp............41  44  45  46  46  45
RH..............42  38  36  35  35  36
20 FT wind dir..N   N   N   N   NE  NE
20 FT wind spd..6   6   6   5   4   4
20 FT wind gust.10  10  10  10  8   7
Eye lvl wnd dir.N   N   N   N   NE  NE
Eye lvl wnd spd.4   4   4   4   3   3
Eye lvl wnd gst.8   8   8   7   6   5
Surface wnd dir.N   N   N   N   NE  NE
Surface wnd spd.8   8   8   6   5   5
Surface wnd gst.13  13  13  12  10  9
GFDI............3   3   3   2   2   2
SDspl kt-ft/100027  27  27  24  17  9

.SATURDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 27.
Max humidity........67 percent.
Eye level winds.....Light winds becoming southeast around 4 mph.
Surface winds (mph).Light winds becoming southeast 6 to 8 mph late
                    in the evening.
Wind (20 ft)........Light winds becoming southeast 5 to 6 mph late
                    in the evening.
Smoke dispersal.....Poor (600 knot-ft).
GFDI................2.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........28     15     10     12     7      4
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............43     37     33     30     28     28
RH..............39     50     57     60     64     67
20 ft wind......NE 4   E 4    SE 4   SE 5   SE 5   SE 5
20 ft wind gust.6      7      10     10     11     11
Eye level wind..NE 3   E 3    SE 3   SE 4   SE 4   SE 4
Eye lvl wnd gst.5      5      7      8      8      8
Surface wind....NE 5   E 5    SE 5   SE 6   SE 6   SE 6
Surface wnd gst.8      9      12     13     14     14
GFDI............2      1      1      1      1      1
SDspl kt-ft/10002      2      4      4      5      4

.SUNDAY...

Sky/weather.........Sunny (20-30 percent) then becoming partly
                    sunny (50-60 percent).
Max temperature.....Around 57.
Min humidity........37 percent.
Eye level winds.....Southeast winds up to 11 mph. Gusts up to 26
                    mph early in the morning.
Surface winds (mph).Southeast winds 8 to 19 mph. Gusts up to 26 mph
                    early in the morning.
Wind (20 ft)........South winds 7 to 16 mph. Gusts up to 26 mph
                    early in the morning.
GFDI................7 increasing to 10 late in the afternoon.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........4      3      9      20     36     51
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............28     31     39     49     55     56
RH..............66     60     50     40     37     38
20 ft wind......SE 6   S 9    S 11   S 14   S 15   S 14
20 ft wind gust.13     16     18     19     21     20
Eye level wind..SE 4   S 7    S 8    S 11   S 11   S 11
Eye lvl wnd gst.10     12     13     14     16     15
Surface wind....SE 8   S 11   S 14   S 18   S 19   S 18
Surface wnd gst.16     20     22     24     26     25
GFDI............2      3      5      9      12     11

$$
Forecaster...CA
Requested by...Eddie Grummert
Type of request...PRESCRIBED
.TAG 2504046.0/OAX
.DELDT 02/28/25
.FormatterVersion 2.0.0
.EMAIL eddiegrummert@gmail.com