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Rule Fog Hunter

Gatlinburg - Fog Hunter - Smoky Mountains & Blue Ridge

Gatlinburg, Tennessee, United States

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 60.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread5.0°C
Visibility24135 (Clear)
Relative Humidity71%
Wind Speed2.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/New_York

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the namesake "smoke" that gives the Great Smoky Mountains their name—the natural fog and mist that creates atmospheric conditions found nowhere else in the eastern United States. We combine humidity, temperature, and topography to predict when valleys will fill with fog while ridgelines glow above.

The Smokies generate their own weather. Dense forests release moisture through transpiration, creating the persistent haze that appears as blue smoke from a distance. Add morning temperature inversions, and valleys like Cades Cove become fog-filled bowls with mountain ridges emerging from the mist. This phenomenon occurs year-round but peaks during autumn when humidity remains high and temperatures drop.

What makes Smoky Mountains fog photography exceptional:

  • Natural smoke effect - Forest transpiration creates the blue haze that's visible even on clear days, intensifying during foggy conditions
  • Cades Cove mornings - Historic valley becomes a sea of fog with churches and barns emerging as islands
  • Blue Ridge Parkway inversions - High-elevation overlooks look down on clouds filling valleys below
  • Appalachian character - Fog transforms familiar mountain landscapes into ancient, primeval scenes

Best fog occurs on clear, calm nights followed by sunny mornings, typically September through November. Arrive at Cades Cove before dawn to catch fog at its thickest. Blue Ridge Parkway overlooks like Clingmans Dome and Waterrock Knob offer views above the clouds. The fog typically burns off by mid-morning, so timing is critical.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 92 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Fog Probability
≥ 60.0%
Wed, Apr 8
24:000%
01:000%
02:000%
03:000%
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07:000%
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Thu, Apr 9
24:000%
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Fri, Apr 10
24:000%
01:000%
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Sat, Apr 11
24:000%
01:000%
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How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
America/New_York
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Wed, Apr 8 Sunrise 07:09 Sunset 20:01
22:00
0% 4.8°C 0mm 71% 0cm -23° 9.8°C 0mm 0.35kPa 24135m 2.1m/s 2.4m/s
23:00
0% 3.7°C 0mm 69% 0cm -33° 9°C 0mm 0.35kPa 24135m 2.4m/s 2.5m/s
Thu, Apr 9 Sunrise 07:09 Sunset 20:01
24:00
0% 3.1°C 0mm 69% 0cm -41° 8.5°C 0mm 0.35kPa 24135m 2.6m/s 2.5m/s
01:00
0% 2.8°C 0mm 70% 0cm -46° 8°C 0mm 0.32kPa 24134m 2.5m/s 2.4m/s
02:00
0% 2.5°C 0mm 70% 0cm -46° 7.5°C 0mm 0.31kPa 24134m 2.2m/s 2.3m/s
03:00
0% 2.2°C 0mm 71% 0cm -42° 7.1°C 0mm 0.29kPa 24134m 2.1m/s 2.2m/s
04:00
0% 1.9°C 0mm 72% 0cm -35° 6.5°C 0mm 0.27kPa 24135m 1.9m/s 2.1m/s
05:00
0% 1.4°C 0mm 73% 0cm -25° 5.9°C 0mm 0.25kPa 24134m 1.8m/s 2m/s
06:00
0% 0.9°C 0mm 72% 0cm -14° 5.5°C 0mm 0.25kPa 24135m 1.8m/s 2m/s
07:00
0% 0.4°C 0mm 71% 0cm -2.5° 5.2°C 0mm 0.26kPa 24135m 1.5m/s 2m/s
08:00
0% 0.9°C 0mm 68% 0cm 9.5° 6.4°C 0mm 0.31kPa 24135m 1.5m/s 1.6m/s
09:00
5% 1.3°C 0mm 56% 0cm 22° 9.6°C 0mm 0.52kPa 24135m 0.83m/s 0.44m/s
10:00
10% 2°C 0mm 50% 0cm 34° 12°C 0mm 0.72kPa 24134m 0.91m/s 0.69m/s
11:00
15% 2.7°C 0mm 46% 0cm 45° 14°C 0mm 0.86kPa 24135m 1.3m/s 1.4m/s
12:00
15% 3.5°C 0mm 43% 0cm 55° 16°C 0mm 1kPa 24134m 1.4m/s 1.7m/s
13:00
15% 4°C 0mm 41% 0cm 61° 17°C 0mm 1.2kPa 24134m 1.8m/s 2.1m/s
14:00
15% 4.3°C 0mm 41% 0cm 62° 18°C 0mm 1.2kPa 24135m 2m/s 2.5m/s
15:00
28% 4.8°C 0mm 41% 0cm 56° 18°C 0mm 1.2kPa 24135m 2.1m/s 2.6m/s
16:00
41% 5.2°C 0mm 42% 0cm 47° 18°C 0mm 1.2kPa 24134m 2.1m/s 2.6m/s
17:00
54% 5.7°C 0mm 44% 0cm 36° 18°C 0mm 1.1kPa 24134m 1.7m/s 2.4m/s
18:00
60% 6.2°C 0mm 48% 0cm 24° 17°C 0mm 1kPa 24135m 1.5m/s 2.1m/s
19:00
66% 8.4°C 0mm 63% 0cm 12° 15°C 0mm 0.65kPa 24134m 2.4m/s 1.6m/s
20:00
72% 7.1°C 0mm 74% 0cm 0.19° 12°C 0mm 0.35kPa 24135m 0.7m/s 0.65m/s
21:00
81% 6.3°C 0mm 75% 0cm -12° 11°C 0mm 0.32kPa 24134m 1.5m/s 1.9m/s
22:00
91% 5.9°C 0mm 74% 0cm -23° 10°C 0mm 0.32kPa 24134m 1.7m/s 2.2m/s
23:00
100% 5.3°C 0mm 74% 0cm -33° 9.7°C 0mm 0.31kPa 24135m 1.8m/s 2.3m/s
Fri, Apr 10 Sunrise 07:08 Sunset 20:02
24:00
100% 4.7°C 0mm 73% 0cm -41° 9.3°C 0mm 0.32kPa 24134m 1.8m/s 2.4m/s
01:00
100% 3.7°C 0mm 70% 0cm -46° 8.9°C 0mm 0.34kPa 24134m 1.8m/s 2.3m/s
02:00
100% 2.8°C 0mm 68% 0cm -46° 8.4°C 0mm 0.35kPa 24135m 1.7m/s 2.2m/s
03:00
100% 2.3°C 0mm 67% 0cm -42° 8°C 0mm 0.35kPa 24134m 1.7m/s 2.1m/s
04:00
100% 1.9°C 0mm 67% 0cm -35° 7.6°C 0mm 0.34kPa 24134m 1.5m/s 1.9m/s
05:00
100% 1.7°C 0mm 67% 0cm -25° 7.5°C 0mm 0.34kPa 24135m 1.4m/s 1.8m/s
06:00
100% 1.4°C 0mm 66% 0cm -14° 7.2°C 0mm 0.34kPa 24135m 1.4m/s 1.8m/s
07:00
100% 1.2°C 0mm 67% 0cm -2.3° 6.9°C 0mm 0.33kPa 24134m 1.2m/s 1.5m/s
08:00
100% 2.4°C 0mm 66% 0cm 9.8° 8.5°C 0mm 0.38kPa 24134m 1m/s 1.2m/s
09:00
100% 3.3°C 0mm 56% 0cm 22° 12°C 0mm 0.62kPa 24134m 0.62m/s 0.35m/s
10:00
100% 4.5°C 0mm 51% 0cm 34° 14°C 0mm 0.8kPa 24134m 0.6m/s 1.2m/s
11:00
100% 5.4°C 0mm 49% 0cm 45° 16°C 0mm 0.92kPa 24134m 0.93m/s 1.9m/s
12:00
100% 6°C 0mm 48% 0cm 55° 17°C 0mm 1kPa 24134m 1.4m/s 2.2m/s
13:00
100% 6.6°C 0mm 45% 0cm 61° 19°C 0mm 1.2kPa 24135m 1.6m/s 2.2m/s
14:00
100% 6.6°C 0mm 44% 0cm 62° 19°C 0mm 1.3kPa 24135m 2.1m/s 2.7m/s
15:00
99% 6.8°C 0mm 43% 0cm 56° 20°C 0mm 1.3kPa 24135m 2.5m/s 2.7m/s
16:00
99% 6.8°C 0mm 42% 0cm 47° 20°C 0mm 1.4kPa 24134m 2.7m/s 2.5m/s
17:00
98% 6.9°C 0mm 43% 0cm 36° 20°C 0mm 1.3kPa 24135m 2.2m/s 2.4m/s
18:00
96% 7.1°C 0mm 46% 0cm 24° 19°C 0mm 1.2kPa 24134m 1.6m/s 2.3m/s
19:00
93% 9.1°C 0mm 60% 0cm 12° 17°C 0mm 0.77kPa 24135m 1.8m/s 1.5m/s
20:00
91% 7.1°C 0mm 69% 0cm 0.33° 13°C 0mm 0.46kPa 24134m 0.61m/s 0.21m/s
21:00
77% 6.3°C 0mm 69% 0cm -12° 12°C 0mm 0.43kPa 24134m 1.3m/s 1.6m/s
22:00
62% 5.7°C 0mm 68% 0cm -23° 11°C 0mm 0.43kPa 24134m 1.5m/s 1.9m/s
23:00
48% 5.3°C 0mm 67% 0cm -33° 11°C 0mm 0.44kPa 24135m 1.8m/s 2.3m/s
Sat, Apr 11 Sunrise 07:06 Sunset 20:03
24:00
50% 5°C 0mm 68% 0cm -41° 11°C 0mm 0.42kPa 24135m 1.7m/s 2.1m/s
01:00
51% 4.8°C 0mm 68% 0cm -45° 10°C 0mm 0.4kPa 24135m 1.5m/s 2m/s
02:00
53% 4.5°C 0mm 68% 0cm -46° 10°C 0mm 0.4kPa 24135m 1.5m/s 1.8m/s
03:00
64% 4.9°C 0mm 58% 0cm -42° 13°C 0mm 0.63kPa 24135m 1.4m/s 1.3m/s
04:00
75% 4.7°C 0mm 48% 0cm -34° 16°C 0mm 0.93kPa 24135m 1.3m/s 0.75m/s
05:00
86% 3.9°C 0mm 38% 0cm -25° 18°C 0mm 1.3kPa 24135m 1.1m/s 0.22m/s
06:00
88% 3.9°C 0mm 35% 0cm -14° 20°C 0mm 1.5kPa 24135m 1.2m/s 0.59m/s
07:00
90% 3.7°C 0mm 33% 0cm -2° 21°C 0mm 1.6kPa 24135m 1.2m/s 0.95m/s
08:00
92% 3.5°C 0mm 30% 0cm 10° 22°C 0mm 1.8kPa 24135m 1.2m/s 1.3m/s
09:00
87% 3.8°C 0mm 31% 0cm 22° 21°C 0mm 1.8kPa 24135m 1.4m/s 1.3m/s
10:00
82% 4°C 0mm 32% 0cm 34° 21°C 0mm 1.7kPa 24135m 1.6m/s 1.2m/s
11:00
77% 4.3°C 0mm 33% 0cm 45° 21°C 0mm 1.7kPa 24135m 1.8m/s 1.2m/s
12:00
78% 6.7°C 0mm 46% 0cm 55° 19°C 0mm 1.1kPa 24135m 1.8m/s 1.4m/s
13:00
78% 7.9°C 0mm 59% 0cm 62° 16°C 0mm 0.74kPa 24135m 1.7m/s 1.5m/s
14:00
79% 8.3°C 0mm 72% 0cm 62° 13°C 0mm 0.43kPa 24135m 1.6m/s 1.7m/s
15:00
77% 8°C 0mm 74% 0cm 57° 13°C 0mm 0.38kPa 24135m 1.5m/s 1.5m/s
16:00
76% 7.8°C 0mm 76% 0cm 47° 12°C 0mm 0.32kPa 24135m 1.4m/s 1.4m/s
17:00
74% 7.5°C 0mm 79% 0cm 36° 11°C 0mm 0.28kPa 24135m 1.2m/s 1.2m/s
18:00
75% 7.2°C 0mm 79% 0cm 24° 11°C 0mm 0.27kPa 24135m 1.3m/s 1.2m/s
19:00
77% 6.8°C 0mm 79% 0cm 12° 10°C 0mm 0.26kPa 24135m 1.3m/s 1.3m/s
20:00
78% 6.5°C 0mm 80% 0cm 0.47° 9.8°C 0mm 0.25kPa 24135m 1.4m/s 1.4m/s
21:00
79% 6°C 0mm 78% 0cm -12° 9.6°C 0mm 0.26kPa 24135m 1.3m/s 1.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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