The temperature inversion, humidity and cloud cover all play into how the smoke will act, lay out around the ground or raise away from the fire. We used to have to consider these factors when detonating un-serviceable and hostile munitions and using demolition charges. The same factors that effect smoke also effect blast/shock waves. If you weren't on a licensed range with weather support popping off a smoke grenade and watching where the smoke goes gives you an idea on how big of a shot you can make.
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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