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Topic: Weather, Climate, Environment, and Energy

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utee94

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Re: Weather, Climate, Environment, and Energy
« Reply #13174 on: Today at 10:03:59 AM »
Yeah Canyon is still pretty low, I think around 58% full right now.  This current rain should help it though.

MikeDeTiger

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Re: Weather, Climate, Environment, and Energy
« Reply #13175 on: Today at 12:23:12 PM »
Oops, I meant "severe drought," not "extreme drought" which I mistakenly said.  

It's thunderstorming again, for the umpteenth day in a row, and all that wet drought stuff from the sky is beating down outside my window again, parching the ground with it's droughty-dryness.  

(I keed, I keed.  I have no idea how people measure how much water we're supposed to have compared to what we actually have.  It's just amazing that we're listed as "severe drought" when this is the norm around here.  Three summers ago we did have a fantastically unusual span without rain.  We went like two months without a major rain.  Basically unheard of for this area.  We seem to have an unusually high amount of thunderstorms last year and this year so far.  I hope this stops before I leave today, because the roads on this side of campus flood easily, and this lame rental car I have isn't going to make it through that like my truck would.)

I see Harris County (Houston) is not listed as in a drought.  In general, we get about the same weather as they do since we're not far away.  I wonder why we're "drought" and they're not.  

847badgerfan

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Re: Weather, Climate, Environment, and Energy
« Reply #13176 on: Today at 12:44:22 PM »
I see Harris County (Houston) is not listed as in a drought.  In general, we get about the same weather as they do since we're not far away.  I wonder why we're "drought" and they're not. 
There are more factors than just rainfall (meteorological drought).

Aquifers, lakes, rivers, and agricultural shortages (hydrological and agricultural drought).

So, while one county may be in severe drought due to rainfall and shortages in the other categories, the other county may not be in drought in all categories.

It's a water balance equation thing too.

The water balance equation is a fundamental tool in hydrology used to track water entering, leaving, and being stored in a defined system. Its simplest form is:
ΔS = P – ET – Q
Where:

  • ΔS = change in water storage within the system
  • P = precipitation (rain, snow, sleet, hail)
  • ET = evapotranspiration (sum of evaporation and plant transpiration)
  • Q = runoff or streamflow leaving the system
  • This equation can be expanded to include additional components such as inflow from other sources (I), deep percolation to groundwater (DP), capillary rise (CR), and changes in soil, groundwater, or surface water storage (ΔS, G, W) depending on the scale and complexity of the system.



U RAH RAH! WIS CON SIN!

MikeDeTiger

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Re: Weather, Climate, Environment, and Energy
« Reply #13177 on: Today at 12:54:21 PM »
Which part of that equation describes how my yard is frequently too soggy to mow it this time of year, and consequently it looks like a damn wetlands preserve?  

 

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