Hey I just checked and the plant is loose in the ground. It is attached to a bamboo stick but should I put more so it doest fall over?
Bingo! I think we found the problem. Cannabis plants have a trunk like stalk but at the very base there is this zone that is kind of a weak link. It is right where the roots all come together at the union point at the base of the stalk. What likely happened is the storm blew your plant so hard that it snapped a bit at this weak link at the base. When this happens your plant will kind of lean or flop to one side. So the way physics works think of it like drinking water up a straw. Plants are basically evolutionary straws that suck up water and nutrients to the leaves. So you know when you go to open a straw and you accidentally put a crack in it? You try to drink with it but its sucking up air bubbles through the crack so you loose water pressure. This exact same phenomenon has occurred with your plant. Only difference is the crack is in the trunk of your plant not a straw LOL
. It's trying to suck up water like it was before but since it slightly cracked its loosing water pressure therefore its not able to suck up as much water as before. All living things have a main goal driving force and that is to reproduce and pass on its genetics to the next generation. Therefore the plant focuses the water that is can suck up to certain strategic areas of the plant. It reverts water from the main large photo leaves (often referred to as the big water leaves). These water leaves are expendable in the sense that they don't directly assist in the reproduction process. As plants get bigger and bigger they actually will start to yellow and drop lower water leaves naturally. So the plant basically says to itself "dam running out of viable water to uptake... Better dump some of these water leaves better them than loosing something else". This is why that is happening.
Now the solution is to definitely stake that plant up good and tight since it already has been weakened. Also I would visually inspect the base of the stock and see if you can see where the crack is. Is it above the soil line? A good way to help stabilize is get some more dirt and stack up a higher mound at the base of the stock. Also give the plant extra water during the next handful of days since its water uptake is being limited. The plant should be able to repair itself they are incredibly robust they are like us in the sense that they can heal and scar over a crack or wound. That crack should heal on its own it may take it a week or two to get back with the program. If the leaves start to wither and wilt go ahead and pluck them off. Good luck!