Suppression Forecast
Issued by NWS Omaha/Valley, NE

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000
FNUS73 KOAX 231200
FWSOAX

Spot Forecast for Omaha CRP...BIA Winnebago Agency
National Weather Service Omaha/Valley NE
700 AM CDT Sun Apr 23 2017

Forecast is based on ignition time of 0800 CDT on April 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Breezy southwesterly winds today, combined with well above normal
temperatures and low humidity, will create Very High grassland
fire danger along and north of Interstate 80 today. Minimum
afternoon humidity will drop to 20 to 25 percent this afternoon.
Similar warmth and winds can be expected Monday, but low level
moisture will be slightly higher.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 74.
Min humidity........22 percent.
Wind (20 ft)........South winds 6 to 15 mph increasing to 15 to 16
                    mph with gusts to around 30 mph early in the
                    afternoon.
Mixing height.......600-1700 ft AGL increasing to 4600-5900 ft AGL.
Transport winds.....Southwest 15 to 24 mph increasing to south 26
                    to 35 mph in the afternoon.
Smoke dispersal.....Poor to good (8500-46700 knot-ft) increasing to
                    excellent (121900 knot-ft).
GFDI (max)..........Moderate increasing to High in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Sky (%).........2      0      5      9      11     14
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............45     60     68     72     74     72
RH..............70     47     32     26     22     26
20 ft wind......SW 6   SW 9   S 13   S 15   S 16   S 15
20 ft wind gust.10     15     20     25     30     30
Mix hgt (ft)....600    1700   3600   5300   5900   4600
Transport wind..SW 15  SW 20  SW 22  S 26   S 31   S 35
GFDI............1      2      7      11     15     12
Haines index....5      5      5      5      5      5
SDspl kt-ft/10009      28     69     122    161    136

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (50-60 percent).
Min temperature.....Around 47.
Max humidity........71 percent.
Wind (20 ft)........South winds 11 to 14 mph with gusts to around
                    25 mph.
Mixing height.......2400-3600 ft AGL decreasing to 100-1200 ft AGL
                    early in the evening.
Transport winds.....South 26 to 35 mph.
Smoke dispersal.....Excellent (72900 knot-ft) decreasing to poor to
                    good (1700-36000 knot-ft) early in the evening.
GFDI (max)..........Moderate.
Haines Index........5 to 6 or moderate potential for large plume
                    dominated fire growth to or high potential for
                    large plume dominated fire growth.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Sky (%).........16     20     25     32     39     48
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............69     61     55     53     50     48
RH..............30     41     53     57     63     68
20 ft wind......S 14   S 12   S 11   S 11   S 12   S 13
20 ft wind gust.25     20     20     20     20     25
Mix hgt (ft)....3600   1200   100    500    300    200
Transport wind..S 35   S 29   S 26   S 29   S 30   S 31
GFDI............9      5      3      3      3      3
Haines index....5      5      5      5      5      5
SDspl kt-ft/1000108    36     2      11     8      5

.MONDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    rain showers in the morning.
Max temperature.....Around 72.
Min humidity........38 percent.
Wind (20 ft)........South winds 12 to 18 mph with gusts to around
                    30 mph.
Mixing height.......300-1600 ft AGL increasing to 4900-5500 ft AGL.
Transport winds.....Southwest 28 to 36 mph decreasing to 21 to 24
                    mph late in the afternoon.
Smoke dispersal.....Poor to good (8400-47800 knot-ft) increasing to
                    excellent (83500 knot-ft) late in the morning,
                    then increasing to excellent (111400 knot-ft)
                    in the afternoon decreasing to excellent (90600
                    knot-ft) late in the afternoon.
GFDI (max)..........High.
Haines Index........2 to 6 or very low potential for large plume
                    dominated fire growth to or high potential for
                    large plume dominated fire growth.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........58     49     47     52     37     35
Weather cov.....S CHC  S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR NONE   NONE   NONE
Tstm cov........
Temp............47     52     59     67     71     72
RH..............71     63     53     42     38     39
20 ft wind......S 14   S 17   S 18   S 18   S 17   S 13
20 ft wind gust.25     30     30     30     30     25
Mix hgt (ft)....300    1000   2700   4900   5500   5500
Transport wind..S 31   S 33   S 35   S 36   S 30   SW 24
GFDI............4      6      9      11     11     8
Haines index....6      5      3      2      3      3
SDspl kt-ft/10008      28     84     150    145    111

$$
Forecaster...Kern
Requested by...Duwayne Traversie
Type of request...PRESCRIBED
.TAG 1707550.0/OAX



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