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Spot Forecast
Issued by NWS Quad Cities, IA IL
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FNUS73 KDVN 231142
FWSDVN

Spot Forecast for Hawk investment...USFWS
National Weather Service Quad Cities IA/IL
642 AM CDT Tue Apr 23 2024

Forecast is based on ignition time of 0800 CDT on April 23.
If conditions become unrepresentative...contact the
National Weather Service Quad Cities at (563) 386-3815.

.DISCUSSION...

Areas of rain and a few thunderstorms will move across south
of I-80 this morning. Then a cold front will sweep across the
area this afternoon, switching the winds to the northwest and
becoming gusty again up to 35 MPH. Humidity values will also drop
into the 30s and 20s behind the front this afternoon. Be wary
for sudden wind gust increases and direction changes around any
passing shower or thunderstorm today!

The Grassland Fire Danger Index -GFDI- does not account for
precipitation that occurs or any snow on the ground. Please
make appropriate adjustments.


.REST OF TODAY...

Sky/weather.........Cloudy (85-95 percent) then becoming mostly
                    sunny (30-40 percent). Chance of rain showers
                    early in the morning, then slight chance of
                    rain showers late in the morning.
Chance of pcpn......30 percent.
LAL.................No Tstms.
Begin/end of pcpn...
Max temperature.....Around 69.
Min humidity........27 percent.
Max apparent temp...68.
Eye level winds.....West winds 5 to 10 mph with gusts to around 17
                    mph shifting to the northwest 12 to 15 mph with
                    gusts to around 22 mph in the afternoon.
Wind shift..........
Wind (20 ft)........West winds 12 to 25 mph becoming 13 to 25 mph
                    with gusts to around 35 mph in the late morning
                    and early afternoon, then shifting to the
                    northwest around 23 mph with gusts to around 37
                    mph late in the afternoon.
Mixing height.......500 increasing to 9300 ft AGL.
Transport winds.....West 18 to 21 mph increasing to northwest 28 to
                    35 mph in the afternoon.
GFDI................1.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........89  90  90  85  62  28  6   8   4   4
Weather cov.....CHC SCH SCH
Weather type....RW  RW  RW
Tstm cov........
Chc of pcpn (%).30  20  20  10  0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............54  56  59  62  65  67  68  68  67  67
RH..............66  64  57  48  38  32  27  27  28  28
Aparnt tmp (F)..54  56  59  62  65  67  68  68  67  67
20 FT wind dir..W   W   W   W   W   W   W   NW  NW  NW
20 FT wind spd..10  12  13  15  17  20  22  23  23  23
20 FT wind gust.12  18  21  24  28  31  35  37  37  37
Eye lvl wnd dir.W   W   W   W   W   W   W   NW  NW  NW
Eye lvl wnd spd.6   7   8   9   10  12  13  14  14  14
Eye lvl wnd gst.7   11  13  14  17  19  21  22  22  22
Mix hgt (kft)...0.5 1.2 1.9 2.9 6.9 8.3 9.3 9.0 8.5 8.0
Transp wind dir.SW  W   W   W   W   W   W   NW  NW  NW
Transp wind spd.18  20  21  21  28  32  33  35  33  32
GFDI............0   0   0   0   1   1   1   1   1   1
Haines index....5   5   5   5   5   6   6   6   6   6

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Begin/end of pcpn...
Min temperature.....Around 37.
Max humidity........79 percent.
Min apparent temp...33.
Eye level winds.....Northwest winds 7 to 15 mph with gusts to
                    around 20 mph shifting to the north 5 to 6 mph
                    in the late evening and overnight, then
                    increasing to around 6 mph early in the
                    morning.
Wind shift..........
Wind (20 ft)........Northwest winds 12 to 21 mph with gusts to
                    around 33 mph shifting to the north 8 to 10 mph
                    in the late evening and overnight, then
                    increasing to around 10 mph early in the
                    morning.
Mixing height.......7400 decreasing to 500 ft AGL.
Transport winds.....Northwest 22 to 31 mph becoming north 14 to 17
                    mph early in the evening.
GFDI................1.
Haines Index........3 to 6 or very low to high potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........4      6      3      3      5      8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............65     58     52     49     46     42
RH..............31     42     54     63     71     76
Aparnt tmp (F)..65     58     52     45     41     36
20 ft wind......NW 21  NW 15  NW 9   NW 9   N 9    N 10
20 ft wind gust.33     24     15     14     15     16
Eye level wind..NW 13  NW 9   NW 5   NW 5   N 5    N 6
Eye lvl wnd gst.20     14     9      8      9      10
Mix hgt (ft)....7400   800    500    600    600    700
Transport wind..NW 31  NW 17  NW 15  N 15   N 15   N 14
GFDI............1      0      0      0      0      0
Haines index....6      4      4      4      3      3

.WEDNESDAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Begin/end of pcpn...
Max temperature.....Around 61.
Min humidity........33 percent.
Min apparent temp...31.
Eye level winds.....Northeast winds up to 6 mph shifting to the
                    east around 4 mph late in the afternoon.
Wind shift..........
Wind (20 ft)........North winds around 10 mph shifting to the east
                    around 6 mph late in the afternoon.
Mixing height.......700 increasing to 4500 ft AGL.
Transport winds.....Northeast 6 to 14 mph.
GFDI................0.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........11     18     12     5      7      6
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............39     40     46     54     58     61
RH..............76     73     60     45     39     33
Aparnt tmp (F)..32     35     42     54     58     61
20 ft wind......N 10   NE 8   NE 8   NE 8   NE 7   E 6
20 ft wind gust.16     12     12     12     10     9
Eye level wind..N 6    NE 5   NE 5   NE 5   NE 4   E 4
Eye lvl wnd gst.10     7      7      7      6      5
Mix hgt (ft)....700    1500   2500   3400   4000   4500
Transport wind..N 13   NE 14  NE 9   N 8    N 6    NE 7
GFDI............0      0      0      0      0      0
Haines index....3      4      4      4      5      5

$$
Forecaster...Gunkel
Requested by...Erik Acker
Type of request...PRESCRIBED
.TAG 2411920.0/DVN
.DELDT 04/23/24
.FormatterVersion 2.0.0
National Weather Service Weather Forecast Office
