165
FNUS73 KIWX 071727
FWSIWX

Spot Forecast for Operation Whirlwind...Civil Air Patrol Michigan Wing
National Weather Service Northern Indiana
127 PM EDT Fri Aug 7 2026

Forecast is based on forecast start time of 1700 EDT on August 07.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at 1-574-834-1104 if you have questions
or concerns with this forecast.

.DISCUSSION...

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Temperature.........80 at forecast start...Max 81.
RH..................72 percent at forecast start...Min 67 percent.
Surface winds (mph).West winds around 6 mph.
Mixing height.......800 ft AGL at forecast start...otherwise 800 ft
                    AGL.
Transport winds.....Southwest around 8 mph.
Smoke dispersal.....Poor /5400 knot-ft/ at forecast start.
                    Max...poor /5400 knot-ft/.

TIME (EDT)      5PM
Sky (%).........35
Weather cov.....
Weather type....
Temp............80
RH..............72
Surface wnd dir.W
Surface wnd spd.6
Surface wnd gst.10
Mix hgt (kft)...0.8
Transp wind dir.240
Transp wind spd.8
Vrate kt-ft/1K..5

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of showers and thunderstorms
                    early in the morning.
Temperature.........Min 67.
RH..................Max 100 percent.
Surface winds (mph).West winds around 5 mph early in the evening
                    becoming light, then becoming southwest 5 to 6
                    mph late in the evening.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 7 to 8 mph increasing to 7 to 13 mph
                    in the late evening and overnight.
Smoke dispersal.....Poor (2900 knot-ft).

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........26  17  25  22  25  26  31  39  47  53  59  51
Weather cov.....                                            SCH
Weather type....                                            RW
Temp............80  80  79  76  73  72  71  71  71  71  70  70
RH..............69  69  74  82  90  93  97  97  97  97  100 100
Surface wnd dir.W   SW  N   S   S   S   S   S   S   SW  SW  SW
Surface wnd spd.5   3   0   1   2   5   5   5   5   5   6   6
Surface wnd gst.9   8   7   8   9   10  12  12  12  12  13  13
Mix hgt (kft)...0.7 0.7 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.5
Transp wind dir.250 230 210 190 190 200 210 210 220 220 240 240
Transp wind spd.8   8   7   7   8   9   9   10  12  12  13  12
Vrate kt-ft/1K..5   5   4   3   3   4   4   4   4   5   5   5

.SATURDAY...

Sky/weather.........Mostly sunny. Slight chance of showers and
                    thunderstorms early in the morning.
Temperature.........Max 77.
RH..................Min 64 percent.
Surface winds (mph).West winds 6 to 10 mph shifting to the
                    northwest 8 to 10 mph in the afternoon.
Mixing height.......1800 ft AGL.
Transport winds.....West 10 to 14 mph shifting to the northwest 10
                    to 13 mph in the afternoon.
Smoke dispersal.....Poor (4200 knot-ft) early in the morning
                    increasing to fair (19900 knot-ft) in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........51  54  57  62  64  67  57  43  28  16  7   5
Weather cov.....SCH SCH SCH
Weather type....RW  RW  RW
Temp............69  68  70  72  74  75  75  75  75  76  75  76
RH..............100 100 100 93  87  84  84  79  76  74  71  66
Surface wnd dir.SW  W   W   W   W   W   W   NW  NW  NW  NW  NW
Surface wnd spd.6   6   7   8   9   10  10  10  9   9   9   8
Surface wnd gst.13  13  14  15  15  16  17  16  16  15  14  13
Mix hgt (kft)...0.5 0.5 0.7 0.8 1.1 1.5 1.6 1.7 1.8 1.7 1.8 1.5
Transp wind dir.250 260 260 270 270 280 290 320 320 330 330 330
Transp wind spd.10  12  12  12  14  13  13  13  13  12  12  10
Vrate kt-ft/1K..4   5   7   8   13  17  18  19  20  17  18  13

$$
Forecaster...Brown
Requested by...Robbie DeYoung
Type of request...OTHER
.TAG 2619150.0/IWX
.DELDT 08/07/26
.FormatterVersion 2.0.0