Spot Forecast
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FWSILX

Spot Forecast for Driftwood piles RX...USFWS
National Weather Service Lincoln IL
619 AM CDT Tue Jun 25 2024

Forecast is based on ignition time of 0700 CDT on June 25.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (217) 732-3089 if you have questions
or concerns with this forecast.

.DISCUSSION...

Scattered thunderstorms are expected to develop across the area
later this morning, with the higher chances late in the
afternoon. Storms will become more widespread tonight. Any
lingering rain on Wednesday will taper off by midday. Southwest
winds will increase to 10-15 mph, with a few gusts over 20 mph.

.TODAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers and thunderstorms in the morning, then
                    chance of showers and thunderstorms in the
                    afternoon.
Chance of pcpn......30 percent.
LAL.................2 until 1200, then 3 in the afternoon.
Temperature.........78 at ignition...Max 93.
RH..................79 percent at ignition...Min 47 percent.
Wind (20 ft)........Winds southwest at 10 mph at
                    ignition...otherwise Southwest winds 7 to 12
                    mph. Gusty and erratic winds expected near
                    thunderstorms in the late morning and
                    afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 5.
Mixing height.......700 ft AGL at ignition...otherwise 4600 ft AGL.
Transport winds.....Southwest 17 to 25 mph shifting to the west 20
                    to 28 mph late in the morning.
Smoke dispersal.....Poor /9900 knot-ft/ at ignition. Max...Good
                    /84400 knot-ft/.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........31     51     60     57     53     52
Weather cov.....              S CHC  S CHC  S CHC  CHANCE
Weather type....NONE   NONE   RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........              S CHC  S CHC  S CHC  CHANCE
Chc of pcpn (%).10     10     20     20     20     30
LAL.............1      1      2      2      2      3
Temp............78     86     89     92     93     93
RH..............79     61     56     49     49     49
20 ft wind......SW 10  SW 14  SW 14  SW 13  SW 12  SW 12
20 ft wind gust.21     23     23     22     20     20
Mix hgt (ft)....700    2000   2900   4200   4600   3400
Transport wind..SW 17  W 24   W 28   W 23   W 20   SW 18
Haines index....4      4      4      4      4      4
Vrate kt-ft/1K..10     41     71     84     78     54
Ventrate Cat....POOR   FAIR   GOOD   GOOD   GOOD   FAIR

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Showers and
                    thunderstorms.
Chance of pcpn......80 percent.
LAL.................3 until 1900, then 4.
Temperature.........Min 69.
RH..................Max 100 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph shifting to the
                    northwest 5 to 6 mph overnight. Gusty and
                    erratic winds expected near thunderstorms.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Mixing height.......500 ft AGL.
Transport winds.....Northwest around 17 mph in the evening, then
                    northwest 13 to 16 mph after midnight.
Smoke dispersal.....Poor (5000 knot-ft).

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........54     70     98     95     93     91
Weather cov.....CHANCE LIKELY DEFNTE DEFNTE LIKELY LIKELY
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE LIKELY DEFNTE DEFNTE LIKELY LIKELY
Chc of pcpn (%).50     70     80     80     70     70
LAL.............3      4      5      5      4      4
Temp............91     83     77     74     72     70
RH..............54     70     85     93     97     100
20 ft wind......SW 9   SW 9   SW 7   NW 7   NW 7   NW 7
20 ft wind gust.16     16     12     10     10     12
Mix hgt (ft)....2500   700    500    500    600    700
Transport wind..W 17   NW 12  SW 14  S 12   SE 14  W 16
Haines index....4      4      4      4      3      3
Vrate kt-ft/1K..38     7      6      5      7      10
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.WEDNESDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (20-30 percent). Chance of showers
                    and thunderstorms early in the morning.
Chance of pcpn......70 percent.
LAL.................3 until 1300, then 1.
Temperature.........Max 86.
RH..................Min 51 percent.
Wind (20 ft)........Southwest winds around 5 mph shifting to the
                    north 5 to 8 mph in the late morning and
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms in the morning.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Mixing height.......5500 ft AGL.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....Poor (8100 knot-ft) early in the morning
                    increasing to Good (76800 knot-ft) in the
                    afternoon.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........91     78     51     34     21     14
Weather cov.....LIKELY CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE   NONE
Tstm cov........LIKELY CHANCE CHANCE CHANCE
Chc of pcpn (%).70     30     30     30     10     10
LAL.............4      3      3      3      1      1
Temp............69     72     78     82     85     86
RH..............100    93     79     67     57     51
20 ft wind......SW 6   SW 6   NW 8   N 8    N 8    N 10
20 ft wind gust.12     12     14     16     16     17
Mix hgt (ft)....1300   1000   2100   3700   4300   5500
Transport wind..NW 15  S 13   NW 10  N 12   N 16   N 16
Haines index....3      4      4      4      4      4
Vrate kt-ft/1K..17     11     19     37     61     77
Ventrate Cat....POOR   POOR   POOR   POOR   GOOD   GOOD

$$
Forecaster...Geelhart
Requested by...Ben Schmall
Type of request...PRESCRIBED
.TAG 2416665.0/ILX
.DELDT 06/25/24
.FormatterVersion 2.0.0
.EMAIL Benjamin_schmall@fws.gov