mardi 16 décembre 2014

Frontal Passage Effect on Fishing

Since many of us started out fishing with worms, I will open a can.





I want to ask opinions about post front fishing. Many times, but not always (never say never), fishing is great before a frontal passage and poor after. We all know it happens, but why? Pressure has always been the most believable factor to me, but is that really it?





Pressure: A quick search claims the highest pressure ever recorded in Houston was 30.88 and the lowest of 28.66, both in inches of mercury. The difference of 2.22 inches of mercury is equal to 30.18 inches of water. So a fish could move between 17 & 1/2 FOW to 15 FOW and pressure on the fish would from that water depth change would equal those 2 extremes in barometer. Those are huge extremes in barometer, so the average change from a cold front doesn't begin to compare. So on those beautiful screen shots we see posted of thick layers of fish, the top to bottom of those layers of fish are experiencing a greater difference in pressure than any weather extremes have ever caused.





What about others factors?

Wind: We have all caught plenty of fish in slick calm or terribly rough.

Humidity: Fish are always wet.

Brightness of sky: Again, plenty of good fishing in either extreme.





My point is we know what happens, but do we know why? If my science or math is flawed, tell me because I really want to know. On such a beautiful day as this, I sure will listen.




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