Spot Forecast
Issued by NWS Omaha/Valley, NE

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000
FNUS73 KOAX 221244
FWSOAX

Spot Forecast for Crystal Springs North Prescribed...Fairbury Rural Fire Department
National Weather Service Omaha/Valley NE
744 AM CDT Fri Mar 22 2024

Forecast is based on ignition time of 0800 CDT on March 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Today will be breezy with north winds at 15 to 20 mph and gusts
of 25 to 35 mph. Strongest wind gusts will be between 9am and
2pm. With RH values in the 40s and 50s, expected fire danger is
low at this time.

Strongest Possible Wind Speeds on Day of Burn: 30-35 mph

Lowest Possible Relative Humidity on Day of Burn: 40%

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    sunny (20-30 percent).
Temperature.........42 at ignition...Max 51.
RH..................80 percent at ignition...Min 41 percent.
Eye level winds.....North winds 9 to 13 mph. Gusts up to 26 mph
                    increasing to 35 mph in the late morning and
                    early afternoon.
Surface winds (mph).North winds 15 to 21 mph. Gusts up to 26 mph
                    increasing to 35 mph in the late morning and
                    early afternoon.
Wind (20 ft)........Winds north at 12 mph at ignition...otherwise
                    North winds 13 to 20 mph. Gusts up to 26 mph
                    increasing to 35 mph in the late morning and
                    early afternoon.
Mixing height.......1300 ft AGL at ignition...otherwise 3900 ft
                    AGL.
Transport winds.....North 23 to 32 mph.
Smoke dispersal.....Fair /25100 knot-ft/ at ignition.
                    Max...excellent /86500 knot-ft/.
GFDI................7.
Haines Index........2 or very low potential for large plume
                    dominated fire growth at ignition...max 2.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........56  73  74  53  45  35  25  29  19  17
Weather cov.....
Weather type....
Tstm cov........
Temp............42  41  40  41  43  46  47  48  49  48
RH..............80  81  82  76  67  56  49  46  41  42
20 FT wind dir..N   N   N   N   N   N   N   N   N   N
20 FT wind spd..12  15  17  17  17  17  17  16  15  14
20 FT wind gust.18  21  28  26  25  24  23  21  20  19
Eye lvl wnd dir.N   N   N   N   N   N   N   N   N   N
Eye lvl wnd spd.9   11  13  13  13  13  13  12  11  11
Eye lvl wnd gst.13  16  21  20  19  18  17  16  15  14
Surface wnd dir.N   N   N   N   N   N   N   N   N   N
Surface wnd spd.15  19  21  21  21  21  21  20  19  18
Surface wnd gst.22  26  35  33  31  30  29  26  25  24
Mix hgt (kft)...1.3 1.8 2.1 2.5 2.9 3.2 3.6 3.9 3.9 3.9
Transp wind dir.N   N   N   N   N   N   N   N   N   N
Transp wind spd.26  32  31  31  30  29  28  25  25  23
GFDI............4   6   7   8   9   10  10  10  10  8
Haines index....2   2   2   2   2   2   2   2   2   2
SDspl kt-ft/100025  43  58  69  76  80  85  87  86  85

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Temperature.........Min 23.
RH..................Max 89 percent.
Eye level winds.....Northeast winds up to 11 mph decreasing to
                    around 4 mph overnight.
Surface winds (mph).Northeast winds 6 to 18 mph.
Wind (20 ft)........Northeast winds 5 to 13 mph.
Mixing height.......500 ft AGL.
Transport winds.....Northeast 14 to 23 mph shifting to the east 10
                    to 13 mph overnight.
Smoke dispersal.....Excellent (80200 knot-ft) early in the evening
                    decreasing to poor (2400 knot-ft) late in the
                    night.
GFDI................5.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........12     10     8      9      11     38
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............47     39     34     30     27     25
RH..............43     54     64     75     81     84
20 ft wind......N 14   N 10   NE 7   NE 6   NE 5   NE 5
20 ft wind gust.18     17     16     13     11     10
Eye level wind..N 11   N 8    NE 5   NE 4   NE 4   NE 4
Eye lvl wnd gst.14     13     12     10     8      8
Surface wind....N 18   N 13   NE 9   NE 8   NE 6   NE 6
Surface wnd gst.23     21     20     16     14     13
Mix hgt (ft)....3900   2900   1300   1300   1300   500
Transport wind..N 23   N 20   NE 16  NE 14  NE 13  E 10
GFDI............8      4      3      2      1      1
Haines index....2      3      3      3      4      4
SDspl kt-ft/100080     54     18     13     11     4

.SATURDAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of snow
                    late in the morning. Slight chance of snow
                    early in the afternoon.
Temperature.........Max 46.
RH..................Min 40 percent.
Eye level winds.....Southeast winds up to 7 mph shifting to the 7
                    to 10 mph in the afternoon.
Surface winds (mph).East winds around 6 mph shifting to the
                    southeast 11 to 16 mph in the afternoon.
Wind (20 ft)........East winds around 5 mph shifting to the
                    southeast 10 to 14 mph in the afternoon.
Mixing height.......3400 ft AGL.
Transport winds.....East 10 to 16 mph shifting to the southeast 16
                    to 23 mph in the afternoon.
Smoke dispersal.....Poor (2100 knot-ft) early in the morning
                    increasing to excellent (66100 knot-ft) in the
                    afternoon.
GFDI................4.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........45     55     67     76     74     63
Weather cov.....              CHANCE CHANCE S CHC
Weather type....NONE   NONE   SNOW   SNOW   SNOW   NONE
Tstm cov........
Temp............24     23     29     35     40     44
RH..............89     83     66     58     45     42
20 ft wind......E 5    E 6    E 8    SE 9   SE 10  SE 13
20 ft wind gust.10     11     12     13     14     18
Eye level wind..E 4    E 4    E 6    SE 7   SE 8   SE 10
Eye lvl wnd gst.7      8      9      10     11     13
Surface wind....E 6    E 8    E 10   SE 11  SE 13  SE 16
Surface wnd gst.12     14     15     16     18     22
Mix hgt (ft)....500    800    2200   2700   3200   3300
Transport wind..E 10   E 13   E 15   SE 14  S 20   SE 23
GFDI............1      1      2      3      4      7
Haines index....4      4      4      4      3      3
SDspl kt-ft/10002      12     29     36     50     66

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Rain and slight chance of thunderstorms. Lows in the mid 30s.
Highs in the mid 50s. Southeast winds around 19 mph.
.MONDAY...
Colder, breezy. Rain with possible snow and thunderstorms. Lows
in the lower 30s. Highs in the lower 40s. Southeast winds around
26 mph.
.TUESDAY...
Mostly cloudy. Chance of snow. Lows around 18. Highs around 40.
Northwest winds around 16 mph.

$$
Forecaster...Darrah
Requested by...Judd Stewart
Type of request...PRESCRIBED
.TAG 2408170.0/OAX
.DELDT 03/22/24
.FormatterVersion 2.0.0
.EMAIL judd.stewart@Outlook.com


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