736
FNUS73 KAPX 080748
FWSAPX

Spot Forecast for Six Mile South...USFS
National Weather Service Gaylord MI
348 AM EDT Wed May 8 2024

Forecast is based on ignition time of 0800 EDT on May 08.
If conditions become unrepresentative... contact the National Weather
Service.

Please contact our office at (989)732-9306, if you have questions
or concerns with this forecast.

.DISCUSSION...A few rain showers possible early this morning at
the burn site with latest trends supporting more sun as the day
progresses. Eye-level winds start off out of the west this morning
and gradually veer northerly by late this afternoon with the
strongest gusts around 15 mph. Another chance of rain does exist
during the day on Thursday. No critical RH concerns today or
Thursday.

.REST OF TODAY...

Sky/weather.........Becoming partly sunny (45-55 percent).
Max temperature.....Around 64.
Min humidity........54 percent.
20-foot winds.......Northwest winds 7 to 9 mph.
Transport winds.....Northwest 13 to 18 mph.
Mixing height.......500-2200 ft AGL increasing to 2300-2500 ft AGL
                    late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Ventilation index...Poor to fair (69.0-405.0).

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........84  74  70  65  56  48  39  42  46  50
Weather cov.....
Weather type....
Tstm cov........
Temp............50  53  55  57  58  60  62  62  63  62
RH..............95  92  83  82  76  71  67  63  54  56
20 ft wind dir..W   NW  NW  NW  NW  NW  NW  NW  NW  NW
20 ft wind spd..9   10  10  10  10  10  10  10  10  10
20 ft wind gust.16  16  16  16  16  16  16  16  16  16
Mix hgt (kft)...0.5 1.0 1.3 1.5 1.7 2.0 2.2 2.5 2.3 2.3
Haines index....3   3   3   3   3   3   3   3   3   3
Transp wind dir.W   NW  NW  NW  NW  N   NW  NW  N   N
Transp wind spd.14  18  17  15  14  15  14  15  14  13
Vrate kt-ft.....77  235 243 238 249 329 330 405 355 327
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  FR  PR  PR

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent).
Min temperature.....Around 46.
Max humidity........91 percent.
20-foot winds.......North winds 7 to 8 mph shifting to the
                    northeast 8 to 9 mph in the late evening and
                    overnight.
Transport winds.....Northeast 10 to 13 mph shifting to the east 9
                    to 12 mph overnight.
Mixing height.......500-2400 ft AGL.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Ventilation index...Poor (47.0).

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........53  55  58  58  59  59  57  55  53  60  67  75
Weather cov.....
Weather type....
Tstm cov........
Temp............62  62  59  57  55  52  52  51  50  49  48  47
RH..............60  62  66  73  77  83  82  83  86  88  91  91
20 ft wind dir..N   N   N   NE  NE  NE  NE  NE  NE  E   E   E
20 ft wind spd..9   9   9   8   8   8   8   8   8   8   8   8
20 ft wind gust.14  14  14  12  12  12  12  12  12  13  13  13
Mix hgt (kft)...2.4 2.3 0.9 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
Transp wind dir.N   NE  NE  NE  NE  E   E   E   E   E   E   E
Transp wind spd.12  13  10  10  12  12  10  10  12  9   9   12
Vrate kt-ft.....295 302 99  67  66  55  52  52  63  47  55  78
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.THURSDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers early in the morning.
Max temperature.....Around 60.
Min humidity........61 percent.
20-foot winds.......Northeast winds around 9 mph early in the
                    morning becoming light.
Transport winds.....East 12 to 17 mph.
Mixing height.......600-2500 ft AGL increasing to 2500-3700 ft AGL
                    late in the morning.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Ventilation index...Poor to fair (67.0-557.0) increasing to poor to
                    good (311.0-617.0) in the afternoon.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........79     87     77     84     79     80
Weather cov.....       CHANCE CHANCE CHANCE CHANCE CHANCE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Temp............46     49     53     56     57     56
RH..............89     83     71     66     62     64
20 ft wind dir..E      E      E      E      E      E
20 ft wind spd..9      9      10     10     10     9
20 ft wind gust.14     14     17     17     17     16
Mix hgt (ft)....600    1300   2500   3600   3400   2900
Haines index....3      4      4      4      4      4
Transport wind..E 12   E 14   E 17   E 16   E 13   NE 14
Vrate kt-ft.....82     185    441    617    495    384
Ventrate Cat....POOR   POOR   FAIR   GOOD   FAIR   POOR

$$
Forecaster...MJG
Requested by...Joe Raspotnik
Type of request...PRESCRIBED
.TAG 2413430.0/APX
.DELDT 05/08/24
.FormatterVersion 2.0.0
.EMAIL joseph.raspotnik@usda.gov