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Topic: Cairngorms Wildfires
21. Author:  JnrB        
Date: Mon 27th Jul 2026. 08:38

I do alot of hill walking and rural walking, you can see where wildfires have been or are actively burning (mostly contained to `small` heather patches)

They are in locations where no human will be so can only be classed as naturally occurring fires in prolonged dry spells.

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22. Author:  GG Riva        
Date: Mon 27th Jul 2026. 11:18

JnrB, Mon 27 Jul 08:38

I do alot of hill walking and rural walking, you can see where wildfires have been or are actively burning (mostly contained to `small` heather patches)

They are in locations where no human will be so can only be classed as naturally occurring fires in prolonged dry spells.


And how do you think they start, JnrB? The temperature would have to be really high for us to hypothesise spontaneous combustion.



Not your average Sunday League player.


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23. Author:  JnrB        
Date: Mon 27th Jul 2026. 14:31

I don’t know, I’m not an expert on spontaneous combustion. Just saying what I’ve seen over the past few years when out and about in the middle of nowhere. I walked a Munro last year during the early summer drought, from the summit you could see a dozen seperate small wildfires, all in the middle of nowhere which aren’t accessible by humans unless they had walked for pointless miles through heather and undergrowth.

Google says dry heather is easily combustible and built up organic matter creates its own heat as it decays, with drought and the heat of the sun it can spontaneously combust.

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24. Author:  ipswichpar        
Date: Mon 27th Jul 2026. 16:12

I`m sure one of the experts on Scotcast referred to us having an abundance of the "wrong sort of peat"..... too deep and didnt retain enough liquid so the heat problems start underground.

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25. Author:  veteraneastender        
Date: Mon 27th Jul 2026. 17:16

twin par, Sun 26 Jul 20:16

Disposable barbecues are a nightmare.They take hours to go out naturally,people just walk away a just leave them.


Haven’t the authorities advised retailers not to sell disposable barbecues in the current circumstances ?

All sorts of things can cause a fire hazard in adverse conditions - back in the dry 1976 summer the military had to stop firing live and blank ammo on exercises.

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26. Author:  Raymie the Legend        
Date: Mon 27th Jul 2026. 20:49

Does burnt vegetation eventually recover or is that it ?




It`s bloody tough being a legend
Ron Atkinson - 1983


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27. Author:  ipswichpar        
Date: Mon 27th Jul 2026. 21:33

Most of it generally regrows from what I can remember. Whether it happens quixkly enough, and the impact on the wildlife are issues though.



Big issue with how it is being managed in the first place, though. Along with the basics like barbecues and folk leaving glass around.

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28. Author:  Dave_1885        
Date: Mon 27th Jul 2026. 21:42

Raymie the Legend, Mon 27 Jul 20:49

Does burnt vegetation eventually recover or is that it ?


Not sure about heather and Gorse, but grass will regenerate naturally. One of the Planet Earths showed that its root survive fire and it regrows once the conditions change.

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29. Author:  Bletchley_Par        
Date: Tue 28th Jul 2026. 02:15

Topic Originator: JnrB
Date: Mon 27 Jul 14:31

Google says dry heather is easily combustible and built up organic matter creates its own heat as it decays, with drought and the heat of the sun it can spontaneously combust.


Utter *****.



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30. Author:  GG Riva        
Date: Tue 28th Jul 2026. 08:49

JnrB, Mon 27 Jul 14:31

I don’t know, I’m not an expert on spontaneous combustion. Just saying what I’ve seen over the past few years when out and about in the middle of nowhere. I walked a Munro last year during the early summer drought, from the summit you could see a dozen seperate small wildfires, all in the middle of nowhere which aren’t accessible by humans unless they had walked for pointless miles through heather and undergrowth.

Google says dry heather is easily combustible and built up organic matter creates its own heat as it decays, with drought and the heat of the sun it can spontaneously combust.


I`m as expert as you, mate. I do know that the concentration of oxygen affects the temperature at which spontaneous combustion can take place. It`s generally accepted that the average oxygen concentration at sea level is just under 21%. Scientists say that if it increases by just 3 to 4% spontaneous combustion can take place in hot, dry weather such as Europe is experiencing now. Perhaps this is the case around forests where photosynthesis is increasing oxygen levels to those required for tinder dry vegetation to burst into flames. 🤔



Not your average Sunday League player.


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31. Author:  Bletchley_Par        
Date: Tue 28th Jul 2026. 15:01

Topic Originator: GG Riva
Date: Tue 28 Jul 08:49

Quote:

Perhaps this is the case around forests where photosynthesis is increasing oxygen levels to those required for tinder dry vegetation to burst into flames.



It doesn`t.



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32. Author:  Dave_1885        
Date: Tue 28th Jul 2026. 18:43

The firefighters will have hopefully been helped this morning, it was bucketing it down up in Aberdeen all morning! If it had comes over from the West it will have helped dampen down some of the hot spots.

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33. Author:  ipswichpar        
Date: Tue 28th Jul 2026. 19:56

That`s the way it came, thankfully according to UK Rain Radar.

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