Spot Forecast
Issued by NWS Marquette, MI

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048
FNUS73 KMQT 190954
FWSMQT

Spot Forecast for Field of Dreams Rx...MI DNR
National Weather Service Marquette MI
554 AM EDT Sun May 19 2024

Forecast is based on ignition time of 1000 CDT on May 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Surface high pressure building over the area along with a very dry air mass
will ensure sunny skies and generally light winds through much of the day.
Fairly deep mixing through the very dry air mass will also quickly lower
dew points allowing min RHs to fall near 20 percent over the burn area.
High pressure should continue the dry conditions tonight before a Plains low
pressure system lifts through the area on Monday bringing wetting rains of
around a quarter of an inch to the burn area.

.REST OF TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
Chance of pcpn......0 percent.
LAL.................1.
Temperature.........Max 78.
RH..................Min 19 percent.
Dewpoint............36 decreasing to 32 late in the afternoon.
33-foot winds.......West-northwest winds 8 to 12 mph decreasing to southwest
                    around 6 mph late in the afternoon.
20-foot winds.......West-northwest winds 7 to 11 mph decreasing to southwest
                    around 5 mph late in the afternoon.
Mixing height.......4600-6100 ft AGL.
Ventilation index...Fair to excellent (297.0-688.0).
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.
Rainfall amount.....0.00 inches.
Ceiling (kft).......16 decreasing to 12.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM
Sky (%).........2   8   14  20  30  39  49
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1
Temp............68  72  74  75  76  77  77
Dewpoint........38  36  35  33  33  33  32
RH..............32  27  24  22  21  20  19
33 ft wind dir..NW  W   W   W   W   W   W
33 ft wind spd..9   9   9   9   6   6   6
20 ft wind dir..NW  W   W   W   W   W   W
20 ft wind spd..7   7   7   7   5   5   5
Wind gust.......11  11  10  10  6   6   6
Mix hgt (kft)...4.6 5.2 5.4 5.5 5.9 6.1 5.9
Haines index....5   5   6   6   6   5   5
VIndx kt-ft/100.69  67  54  44  35  30  30
Ceiling (kft)...18  17  16  15  14  13  12

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent).
Chance of pcpn......10 percent.
LAL.................1.
Temperature.........Min 49.
RH..................Max 74 percent.
Dewpoint............35 increasing to 42.
33-foot winds.......Southwest winds around 6 mph shifting to the
                    south around 5 mph late in the evening, then
                    becoming light overnight.
20-foot winds.......Southeast winds around 4 mph in the evening
                    becoming light.
Mixing height.......4200-5300 ft AGL decreasing to 0-1000 ft AGL.
Ventilation index...Poor to fair (2.0-263.0).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Rainfall amount.....0.00 inches.
Ceiling (kft).......12 increasing to 14 late in the evening, then
                    decreasing to 12 overnight decreasing to 9.9
                    after 3 am decreasing to 8.4 decreasing to 6.8
                    early in the morning.

TIME (CDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
Sky (%).........53  58  62  62  61  61  66  71  76  75  74  74
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   10  10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............76  74  71  67  63  60  57  56  55  54  52  51
Dewpoint........34  37  39  41  42  44  44  43  42  41  41  40
RH..............22  25  31  38  47  57  60  61  61  63  65  66
33 ft wind dir..SW  SW  SW  S   S   S   SE  SE  SE  SE  SE  SE
33 ft wind spd..6   6   6   5   5   5   2   2   2   1   1   1
20 ft wind dir..SW  SW  SW  S   S   S   SE  SE  SE  SE  SE  SE
20 ft wind spd..5   5   5   4   4   4   2   2   2   1   1   1
Wind gust.......6   6   6   6   6   6               2   2   2
Mix hgt (kft)...5.3 4.2 3.1 2.0 1.0 0.3 0.1 0.1 0.3 0.3 0.3 0.3
Haines index....5   5   5   5   4   4   4   5   5   5   5   5
VIndx kt-ft/100.26  21  19  14  7   2   0   1   3   3   3   3
Ceiling (kft)...12  13  14  14  15  16  14  13  12  9.9 8.4 6.8

.MONDAY...

Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely and slight chance of thunderstorms in
                    the morning, then rain showers and chance of
                    thunderstorms in the afternoon.
Chance of pcpn......80 percent.
LAL.................1 until 1100, then 2 until 1400, then 3 until
                    1700, then 2.
Temperature.........Max 65.
RH..................Min 65 percent.
Dewpoint............43 increasing to 54.
33-foot winds.......Light winds becoming southeast 5 to 7 mph in
                    the late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms late
                    in the morning. Gusty and erratic winds
                    expected near thunderstorms late in the
                    afternoon.
20-foot winds.......Light winds becoming southeast up to 6 mph in
                    the late morning and afternoon.
Mixing height.......200-2100 ft AGL increasing to 2100-2200 ft AGL
                    late in the afternoon.
Ventilation index...Poor to good (24.0-413.0).
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.
Rainfall amount.....0.24 inches.
Ceiling (kft).......6.9 early in the morning.

TIME (CDT)      5 AM   7 AM   9 AM   11 AM  1 PM   3 PM
Sky (%).........77     83     91     94     93     94
Weather cov.....S CHC  CHANCE CHANCE LIKELY DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........                     S CHC  CHANCE CHANCE
Chc of pcpn (%).20     30     40     70     80     80
LAL.............1      1      1      2      3      3
Temp............51     52     54     56     60     62
Dewpoint........41     43     47     51     54     55
RH..............69     70     79     83     81     79
33 ft wind......SE 2   SE 2   SE 7   SE 7   SE 7   S 7
20 ft wind......SE 2   SE 2   SE 6   SE 6   SE 6   S 6
Wind gust.......              10     12     12     11
Mix hgt (ft)....200    300    1000   1700   2100   2100
Haines index....4      3      2      2      2      2
VIndx kt-ft/100.3      4      21     38     40     32
Ceiling (kft)...6.9    7.2

$$
Forecaster...Voss
Requested by...Rob Shields
Type of request...PRESCRIBED
.TAG 2414601.0/MQT
.DELDT 05/19/24
.FormatterVersion 2.0.0
.EMAIL shieldsr1@michigan.gov