Suppression Forecast
Issued by NWS Omaha/Valley, NE

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000
FNUS73 KOAX 061402
FWSOAX

Spot Forecast for North Hargrove Brush Piles...Iowa Department of Natural Resources
National Weather Service Omaha/Valley NE
902 AM CDT Thu May 6 2021

Forecast is based on ignition time of 1000 CDT on May 06.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

With sunny skies and temps managing 60s again today, minimum
relative humidities will range from the mid-20s to near 30%. Fire
danger is low to moderate with excellent smoke dispersal.

Winds will generally peak this afternoon at 10-15 mph out of the
northwest with gusts up to 20-25mph.


.TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 64.
Min humidity........29 percent.
Eye level winds.....Northwest winds 5 to 8 mph. Gusts up to 24 mph
                    late in the afternoon.
20 foot wind........Northwest winds 8 to 12 mph. Gusts up to 24 mph
                    late in the afternoon.
30 foot winds (mph).Northwest winds 9 to 14 mph. Gusts up to 24 mph
                    late in the afternoon.
Mixing height.......8100 ft AGL.
Transport winds.....Northwest 8 to 16 mph increasing to 22 to 24
                    mph in the afternoon.
Smoke dispersal.....Fair (13400 knot-ft) early in the morning
                    increasing to excellent (82400 knot-ft) in the
                    afternoon increasing to excellent (118500
                    knot-ft) in the afternoon.
GFDI................Moderate.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      10 AM  NOON   2 PM   4 PM
Sky (%).........8      3      3      5
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
Temp............49     55     60     63
RH..............63     49     36     30
Eye level wind..NW 5   NW 6   NW 8   NW 8
Eye lvl wnd gst.       8      14     14
20 ft wind......NW 7   NW 8   NW 10  NW 11
20 ft wind gust.       10     19     19
30 ft wind......NW 9   NW 10  NW 13  NW 14
30 ft wind gust.       13     24     24
Mix hgt (ft)....1900   4400   7200   8100
Transport wind..NW 8   NW 16  NW 23  NW 24
GFDI............1      1      3      4
Haines index....4      4      4      4
SDspl kt-ft/1K..13     82     145    170

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 40.
Max humidity........79 percent.
Eye level winds.....Northwest winds 7 to 8 mph with gusts to around
                    13 mph decreasing to around 4 mph early in the
                    evening, then becoming light in the late
                    evening and overnight becoming southwest around
                    4 mph after 3 am becoming light.
20 foot wind........Northwest winds around 12 mph with gusts to
                    around 18 mph decreasing to 7 to 10 mph with
                    gusts to around 16 mph early in the evening,
                    then becoming light in the late evening and
                    overnight becoming southwest around 5 mph after
                    3 am becoming light.
30 foot winds (mph).Northwest winds around 14 mph with gusts to
                    around 22 mph decreasing to 8 to 11 mph with
                    gusts to around 20 mph early in the evening,
                    then becoming light in the late evening and
                    overnight becoming southwest around 6 mph after
                    3 am becoming light.
Mixing height.......300 ft AGL.
Transport winds.....Northwest around 23 mph decreasing to around 22
                    mph early in the evening, then becoming west 3
                    to 8 mph early in the evening shifting to the
                    southwest 5 to 9 mph overnight.
Smoke dispersal.....Excellent (80600 knot-ft) decreasing to good
                    (36300 knot-ft) early in the evening decreasing
                    to poor (0 knot-ft) late in the night in the
                    late evening and overnight.
GFDI................Low.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........16     21     18     10     11     12
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............64     60     52     47     45     43
RH..............29     33     46     58     62     67
Eye level wind..NW 8   NW 4   SW 2   SW 3   SW 3   SW 3
Eye lvl wnd gst.13     9      5      5      6      6
20 ft wind......NW 11  NW 6   SW 3   SW 4   SW 4   SW 4
20 ft wind gust.18     12     6      6      8      8
30 ft wind......NW 14  NW 8   SW 4   SW 5   SW 5   SW 5
30 ft wind gust.22     15     8      8      10     10
Mix hgt (ft)....7800   2400   700    400    300    300
Transport wind..NW 23  NW 8   W 3    W 5    SW 5   W 9
GFDI............4      2      0      0      0      0
Haines index....4      5      5      5      5      5
SDspl kt-ft/1K..148    81     2      0      1      3

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 68.
Min humidity........26 percent.
Eye level winds.....Light winds becoming north up to 5 mph.
20 foot wind........Northeast winds 5 to 8 mph.
30 foot winds (mph).North winds 6 to 9 mph.
Mixing height.......5800 ft AGL.
Transport winds.....Northeast 3 to 12 mph shifting to the north 7
                    to 10 mph late in the afternoon.
Smoke dispersal.....Poor (2500 knot-ft) early in the morning
                    increasing to good (56200 knot-ft) in the
                    afternoon.
GFDI................Low.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........6      4      5      7      6      7
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............40     45     55     61     64     65
RH..............79     65     49     39     34     29
Eye level wind..N 1    NE 4   NE 4   NE 4   N 4    N 5
Eye lvl wnd gst.5      6      9      10     10     10
20 ft wind......N 2    NE 6   NE 6   NE 6   N 6    N 7
20 ft wind gust.7      8      12     13     14     14
30 ft wind......N 3    NE 8   NE 8   NE 8   N 8    N 9
30 ft wind gust.9      10     15     16     17     17
Mix hgt (ft)....400    900    2200   3600   5300   5700
Transport wind..N 12   NE 13  NE 8   N 14   N 15   N 10
GFDI............0      1      1      2      2      2
Haines index....5      5      5      5      4      4
SDspl kt-ft/1K..3      5      15     41     56     52

$$
Forecaster...Mead
Requested by...Matthew Shanklin
Type of request...PRESCRIBED
.TAG 2111776.0/OAX
.DELDT 05/06/21
.FormatterVersion 1.0.26


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