Spot Forecast
Issued by NWS Gaylord, MI
Issued by NWS Gaylord, MI
575
FNUS73 KAPX 261830
FWSAPX
Spot Forecast for Lame Duck Foot Access...MIDNR
National Weather Service Gaylord MI
230 PM EDT Fri Jul 26 2024
Forecast is based on ignition time of 1200 EDT on July 27.
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...Little in the way of cloud cover is expected Saturday,
though we could continue to see some haze and smoke well aloft.
Light winds to start the day, will become a southwest to south
breeze in the afternoon. Some gusts up to 15 mph are expected at the
burn site.
.SATURDAY...
Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 85.
Min humidity........46 percent.
20-foot winds.......Southwest winds 6 to 7 mph.
Transport winds.....South 8 to 12 mph.
Mixing height.......4100-5400 ft AGL.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Ventilation index...Good to excellent (328.0-616.0).
TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3 1 3 3 3 3
Weather cov.....
Weather type....
Tstm cov........
Temp............77 80 82 83 83 83
RH..............56 52 49 47 47 47
20 ft wind dir..SW SW SW S S S
20 ft wind spd..6 6 6 7 7 7
20 ft wind gust.13 13 13 13 13 13
Mix hgt (kft)...4.1 4.7 5.0 5.1 5.4 5.3
Haines index....5 5 5 5 5 5
Transp wind dir.SW SW S S S S
Transp wind spd.8 10 10 12 12 12
Vrate kt-ft.....328 487 514 589 616 610
Ventrate Cat....GD GD GD GD EXL EXL
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 57.
Max humidity........91 percent.
20-foot winds.......South winds 5 to 6 mph early in the evening
becoming light.
Transport winds.....South 8 to 12 mph.
Mixing height.......4100-4400 ft AGL decreasing to 300-600 ft AGL
early in the evening.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Ventilation index...Poor to good (27.0-508.0).
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........4 4 5 6 7 9 8 8 8 12 17 21
Weather cov.....
Weather type....
Tstm cov........
Temp............84 82 79 76 72 68 65 63 62 60 59 58
RH..............46 51 52 58 67 76 80 85 87 90 94 96
20 ft wind dir..S S S S S S S S S S S S
20 ft wind spd..6 6 6 5 5 5 5 5 5 3 3 3
20 ft wind gust.13 13 13 9 9 9 10 10 10 9 9 9
Mix hgt (kft)...4.4 4.1 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Transp wind dir.S S S S S S S S S S SW SW
Transp wind spd.12 12 9 9 9 9 9 9 9 9 8 8
Vrate kt-ft.....508 474 56 39 39 36 39 40 39 35 31 27
Ventrate Cat....GD GD PR PR PR PR PR PR PR PR PR PR
.SUNDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 88.
Min humidity........43 percent.
20-foot winds.......Light winds becoming south around 5 mph in the
afternoon.
Transport winds.....Southwest 8 to 12 mph.
Mixing height.......100-1100 ft AGL increasing to 4200-5500 ft AGL.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Ventilation index...Poor to good (9.0-492.0) increasing to good to
excellent (523.0-640.0) late in the afternoon.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........23 26 24 23 24 33
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
Temp............58 62 71 80 85 87
RH..............96 90 70 55 47 43
20 ft wind dir..SW SW SW S S S
20 ft wind spd..2 2 5 6 6 6
20 ft wind gust.10 10 12 15 15 16
Mix hgt (ft)....200 300 2200 3800 4500 5500
Haines index....5 5 5 5 5 5
Transport wind..SW 8 SW 8 SW 10 SW 12 SW 12 SW 12
Vrate kt-ft.....14 27 227 443 523 640
Ventrate Cat....POOR POOR FAIR GOOD GOOD EXNT
$$
Forecaster...JZ
Requested by...Jeff Vasher
Type of request...PRESCRIBED
.TAG 2419010.0/APX
.DELDT 07/27/24
.FormatterVersion 2.0.0
.EMAIL vasherj@michigan.gov