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More Morning Frost in Trossachs & Loch Lomond
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Rule Morning Frost

Balmaha - Morning Frost - Trossachs & Loch Lomond

Balmaha, Scotland, United Kingdom

Frost crystals on calm, cold mornings near sunrise

No opportunities right now
Here’s what usually blocks matches

No Morning Frost opportunities in the next 14 days

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Rule requirements (key thresholds)
Time Window · Sunrise -45m to +90m Frost Probability · ≥ 60.0% Wind Speed · ≤ 1.5m/s

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

Most common blockers (next 72 hours)
Frost Probability 100% failing
Time Window 83% failing
Wind Speed 81% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature10.4°C
Dew Point8.3°C (moderate dew point)
Wind Speed2.6m/s (calm conditions)
Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

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 identifies when frost conditions will transform the Trossachs landscape into a winter wonderland. We track overnight temperatures, humidity, and wind to predict when clear, calm nights will produce photogenic frost—hoar frost coating vegetation, ice crystals along shorelines, and frozen lochs creating winter magic.

The Trossachs' Highland fringe position means genuine winter cold while remaining accessible. The combination of lochs, forest, and mountains creates varied frost opportunities, from frozen shorelines to summit hoar frost on Ben A'an.

What makes the Trossachs special for frost photography:

  • Loch shorelines - Ice formations at water's edge at Loch Ard and Loch Achray
  • Forest frost - Native oak and birch woodland coated in hoar frost creating fairy-tale scenes
  • Mountain hoar frost - Ben A'an summit vegetation transformed by ice crystal deposits
  • Waterfall ice - Bracklinn Falls near Callander with ice formations and icicles

Loch Ard's forested shoreline after a hard frost creates magical scenes—oak trees coated in hoar frost, ice crystals along the water's edge, frozen grasses catching low winter sunlight. Ben A'an's summit on frosty mornings combines hoar frost with panoramic views across frozen landscape. Bracklinn Falls develops impressive ice formations during cold spells. Best frost photography occurs December-February during high-pressure systems. Timing is critical—frost is most photogenic at sunrise before sun melts the crystals.

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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
Europe/London
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sun, Jun 7
06:00✓0%3.1m/s
07:00✕0%3.2m/s
08:00✕0%3.7m/s
09:00✕0%4.3m/s
10:00✕0%6.2m/s
11:00✕0%6.4m/s
12:00✕0%6.7m/s
13:00✕0%7.1m/s
14:00✕0%5.8m/s
15:00✕0%5.7m/s
16:00✕0%5.1m/s
17:00✕0%3.8m/s
18:00✕0%3.7m/s
19:00✕0%1.9m/s
20:00✕0%2.5m/s
21:00✕0%3.4m/s
22:00✕0%2.8m/s
23:00✕0%3.5m/s
Mon, Jun 8
24:00✕0%5.3m/s
01:00✕0%4.6m/s
02:00✕0%4.5m/s
03:00✓0%2.6m/s
04:00✓0%2.9m/s
05:00✓0%2.7m/s
06:00✓0%2.8m/s
07:00✕0%3.4m/s
08:00✕0%4.2m/s
09:00✕0%5.1m/s
10:00✕0%5.3m/s
11:00✕0%5.4m/s
12:00✕0%5.7m/s
13:00✕0%5.8m/s
14:00✕0%5.9m/s
15:00✕0%5.7m/s
16:00✕0%5.5m/s
17:00✕0%5.1m/s
18:00✕0%4.6m/s
19:00✕0%4.2m/s
20:00✕0%3.4m/s
21:00✕0%2.8m/s
22:00✕0%1.9m/s
23:00✕0%1.4m/s
Tue, Jun 9
24:00✕0%1.3m/s
01:00✕0%1.5m/s
02:00✕0%2m/s
03:00✓0%2.2m/s
04:00✓0%1.9m/s
05:00✓0%1.7m/s
06:00✓0%1.5m/s
07:00✕0%1.6m/s
08:00✕0%2.9m/s
09:00✕0%3.6m/s
10:00✕0%3.6m/s
11:00✕0%2.9m/s
12:00✕0%2.3m/s
13:00✕0%2.4m/s
14:00✕0%3.3m/s
15:00✕0%4.8m/s
16:00✕0%5.1m/s
17:00✕0%5.3m/s
18:00✕0%5.5m/s
19:00✕0%4.7m/s
20:00✕0%4.1m/s
21:00✕0%2.7m/s
22:00✕0%2.2m/s
23:00✕0%1.9m/s
Wed, Jun 10
24:00✕0%1.7m/s
01:00✕0%1.8m/s
02:00✕0%2.2m/s
03:00✓0%2.5m/s
04:00✓0%2.3m/s
05:00✓0%2m/s
06:00✓0%1.3m/s
07:00✕0%0.72m/s
08:00✕0%0.66m/s
09:00✕0%1.4m/s
10:00✕0%2.4m/s
11:00✕0%2.6m/s
12:00✕0%3m/s
13:00✕0%2.9m/s
14:00✕0%2.7m/s
15:00✕0%2.5m/s
16:00✕0%2.3m/s
17:00✕0%2m/s
18:00✕0%1.8m/s
19:00✕0%1.5m/s
20:00✕0%1.2m/s
21:00✕0%0.91m/s
22:00✕0%0.6m/s
23:00✕0%0.8m/s
Thu, Jun 11
24:00✕0%0.99m/s
01:00✕0%1.2m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost 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
Europe/London
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Mon, Jun 8 Sunrise 04:34 Sunset 22:01
03:00 ☾
8.3°C 10°C 9.1°C - 100% 0.07kPa
04:00 ☾
7.7°C 10°C 8.7°C - 100% 0.07kPa
05:00
7.5°C 10°C 8.3°C - 96% 0.06kPa
06:00
7.4°C 10°C 8.4°C - 8% 0.07kPa
07:00
7.5°C 10°C 8.8°C - 5% 0.1kPa
08:00
7°C 10°C 9.5°C - 2% 0.18kPa
09:00
6.1°C 10°C 10°C - 1% 0.32kPa
10:00
5°C 10°C 12°C - 10% 0.49kPa
11:00
5°C 10°C 12°C - 26% 0.56kPa
12:00
5.1°C 10°C 13°C - 28% 0.59kPa
13:00
4.9°C 10°C 13°C - 36% 0.63kPa
14:00
5°C 11°C 13°C - 40% 0.66kPa
15:00
5.2°C 11°C 13°C - 65% 0.64kPa
16:00
5°C 11°C 13°C - 81% 0.64kPa
17:00
5.3°C 11°C 13°C - 98% 0.62kPa
18:00
6.6°C 11°C 12°C - 57% 0.46kPa
19:00
7.7°C 11°C 11°C - 53% 0.29kPa
20:00
7.7°C 11°C 10°C - 100% 0.19kPa
21:00
7.2°C 11°C 9.1°C - 100% 0.14kPa
22:00
7.3°C 11°C 8.4°C - 100% 0.07kPa
23:00 ☾
7.2°C 11°C 8.2°C - 100% 0.07kPa
Tue, Jun 9 Sunrise 04:34 Sunset 22:01
24:00 ☾
7.3°C 11°C 8.1°C - 100% 0.05kPa
01:00 ☾
7.4°C 10°C 8°C - 100% 0.04kPa
02:00 ☾
7.1°C 10°C 7.7°C - 100% 0.04kPa
03:00 ☾
7°C 10°C 7.6°C - 99% 0.04kPa
04:00 ☾
6.7°C 10°C 7.5°C - 11% 0.05kPa
05:00
4.8°C 10°C 5.5°C - 5% 0.04kPa
06:00
5.4°C 9.8°C 6.1°C - 5% 0.04kPa
07:00
6.4°C 9.8°C 7.6°C - 46% 0.08kPa
08:00
6.7°C 9.7°C 8.6°C - 63% 0.13kPa
09:00
7.1°C 9.7°C 9.1°C - 84% 0.14kPa
10:00
6.7°C 9.6°C 9.1°C - 100% 0.18kPa
11:00
6.4°C 9.6°C 9.1°C - 100% 0.19kPa
12:00
6.5°C 9.6°C 9.5°C - 80% 0.22kPa
13:00
6.5°C 9.7°C 11°C - 79% 0.32kPa
14:00
6.5°C 9.8°C 11°C - 65% 0.35kPa
15:00
7.1°C 9.9°C 11°C - 73% 0.32kPa
16:00
5.7°C 10°C 12°C - 14% 0.46kPa
17:00
4.3°C 10°C 13°C - 54% 0.69kPa
18:00
4.5°C 10°C 13°C - 8% 0.64kPa
19:00
4.8°C 10°C 12°C - 95% 0.55kPa
20:00
5°C 10°C 11°C - 28% 0.41kPa
21:00
5.2°C 10°C 8.9°C - 18% 0.25kPa
22:00
4.6°C 10°C 6.5°C - 95% 0.12kPa
23:00 ☾
4.6°C 9.9°C 5.7°C - 100% 0.07kPa
Wed, Jun 10 Sunrise 04:33 Sunset 22:02
24:00 ☾
4.7°C 9.7°C 5.7°C - 100% 0.06kPa
01:00 ☾
4.9°C 9.5°C 5.9°C - 100% 0.06kPa
02:00 ☾
5.1°C 9.4°C 6°C - 100% 0.06kPa
03:00 ☾
5.1°C 9.3°C 6.6°C - 100% 0.1kPa
04:00 ☾
5.1°C 9.2°C 7.3°C - 100% 0.14kPa
05:00
5.4°C 9.1°C 7°C - 100% 0.1kPa
06:00
6.1°C 9.1°C 6.7°C - 100% 0.04kPa
07:00
6.4°C 9°C 6.9°C - 100% 0.03kPa
08:00
6.5°C 8.9°C 7.2°C - 100% 0.04kPa
09:00
7°C 9°C 8.5°C - 95% 0.11kPa
10:00
7.4°C 9°C 9.7°C - 94% 0.17kPa
11:00
7.4°C 9.1°C 9.7°C - 90% 0.17kPa
12:00
7.8°C 9.1°C 10°C - 95% 0.2kPa
13:00
8.2°C 9.2°C 11°C - 64% 0.19kPa
14:00
7.3°C 9.4°C 9.4°C - 45% 0.16kPa
15:00
6.4°C 9.6°C 8.3°C - 25% 0.13kPa
16:00
5.5°C 9.8°C 7.1°C - 5% 0.11kPa
17:00
5.2°C 9.6°C 6.5°C - 10% 0.08kPa
18:00
5°C 9.4°C 5.9°C - 16% 0.06kPa
19:00
4.7°C 9.3°C 5.3°C - 22% 0.04kPa
20:00
4.8°C 9.1°C 5.3°C - 48% 0.03kPa
21:00
4.9°C 9°C 5.4°C - 74% 0.03kPa
22:00
5°C 8.9°C 5.4°C - 100% 0.03kPa
23:00 ☾
5.6°C 8.8°C 6.2°C - 100% 0.04kPa
Thu, Jun 11 Sunrise 04:32 Sunset 22:02
24:00 ☾
6.1°C 8.7°C 6.9°C - 100% 0.06kPa
01:00 ☾
6.6°C 8.7°C 7.7°C - 100% 0.07kPa
02:00 ☾
7°C 8.6°C 7.8°C - 100% 0.06kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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