Friday, August 26, 2022

Rez Increases Discharge

 The Pearl River Valley Water Supply District issued the following statement. 

 Following this morning’s conference call with the National Weather Service (NWS), the Pearl River Valley Water Supply District increased the discharge from the Barnett Reservoir to 55,000 CFS (cubic feet per second). 


The lake currently stands at 298.13 feet above mean sea level. 


The NWS predicts the 55,000 CFS discharge will result in a river level in Jackson at Highway 80 of 35 feet. Water will be in several streets in Jackson and could begin approaching some homes and businesses. 


It is likely that the discharge could be increased again during the next several days, which could result in water entering homes. The river is still expected to reach 36 feet by Tuesday. 


Residents in low-lying areas should take precautions now. This high water event is predicted to last 7 – 10 days. 

25 comments:

Anonymous said...

Gonna have to move over to the east bank and get there early.

Anonymous said...

This is so sad. I well remember the 1979 flood. I feel for so of these people. It's such a helpless feeling.

Anonymous said...

411,ooo plus gallons per second using the standard 7.5 gals per cubic foot if my math is correct.

Anonymous said...

Weather predictions are pretty good these days. Why don't they release more water sooner, in anticipation of a lot of rain. All the rain in Dallas last weekend headed here eventually. Why not then?

Anonymous said...

Maybe this will wash the raw sewage away.

Anonymous said...

Some flooding will occur.

River Forecast said...

It's at 33.59' as of 2:15 PM. The record high is 43.3'.

Flush it out said...

@2:55 I assume you are referring to the mayor

Anonymous said...

The peak discharge at the Rez in the 1979 Great Flood was 125,000 CFS. So this is just a trickle. Stay dry.

Anonymous said...

2:55 PM, all of the rain water will just make them release more sewer water.

Anonymous said...

how do we know if we live in a low lying area?

Anonymous said...

Let er rip—

Anonymous said...

Gauge @ Ratliff's Ferry +.83 feet higher than forecast @ 4 PM.

River Flood Map said...

@4:39 PM Study the flood map that I have linked above. Best viewed on a PC, not a phone. Click on the legend to get an explanation of each color.

Anonymous said...

Looks like we are forecast for rain on Tuesday. Just as levels are predicted to peak. The 36ft doesn’t account for that.

Anonymous said...

This is a good tool to look at a MAP of what "should" flood given chosen forecast river gauge levels, which can be selected from the "Layers" on the map if you are a fan of Esri (the Google equivalent of the mapping world). I find it a lot more useful than a list of streets.



https://www.weather.gov/jan/riverfloodextents

Basketball Jones said...

Water coming out of the spillway gates into the Pearl River at 55,000 CFS (Cubic Feet per Second). Let's wrap our head around that:

What's a "Cubic Foot" you ask. Imagine a box that is 1 foot square by 1 foot tall. That's a single cubic foot. You'd think a regulation size Basketball properly inflated would fit nicely in that box, which it would, but when you account for the rest of the box that the basketball isn't taking up, you'd realize the basketball is only 1/4 of a Cubic Foot. Wow. So now, there are 4 Basketballs for each and every Cubic Foot.

Instead of Cubic Feet of water coming out the flood gates, let's think of Basketballs, at a conversion of 4 Basketballs per one Cubic Foot, at the current rate:

55,000 Cubic Feet per Second X 4 = 220,000 Basketballs...every SECOND of time.

220,000 Basketballs X 60 = 13,200,000 Basketballs....every MINUTE of time.

13,200,000 Basketballs X 60 = 792,000,000 Basketballs....every HOUR of time.

For those keeping up, that's 792 Million Basketballs per hour!

792,000,000 Basketballs per hour X 24 hours in a day = We gonna need a whole lot more hoops.

Anonymous said...

Sorry, but I would be hard pressed to stay in the flood areas after the Easter Flood MUCH LESS purchase a house in these areas. Buyer beware as well as be prepared. Doing my Nostradamus routine now…..mmmmm, in the next 10 years it will flood as badly, PERHAPS WORSE. You heard it here first.

Anonymous said...

For what it's worth, during the flood of '79 the river below the spillway was so high all you could see were the roofs of the two public restrooms in the parking lots. If you drive the spillway and think it's bad now, you ain't seen nothing.

Anonymous said...

Spring and summer rains are fairly typical in Mississippi. I've seen a few large lakes (450 and 850 acres) with waterfront residences that choose to drop the water level as a precaution to be prepared for large rain events. It's not pretty, but it works.

Given the history in Jackson with flooding, shouldn't the Rez be utilized as a flood control lake?

Anonymous said...

One or two lakes will never be built.
Why not buy up every house that flooded in the 1983, 2020, and 2022 floods?
Those areas should never have been developed.
It would be cheaper and quicker than The Two Lakes or One Lake pie in the sky.

Anonymous said...

One or two lakes will never be built.
Why not buy up every house that flooded in the 1983, 2020, and 2022 floods?
Those areas should never have been developed.
It would be cheaper and quicker than The Two Lakes or One Lake pie in the sky.

Anonymous said...

Mark my word, it’ll crest over 36’.

Anonymous said...

@10:41 PM - That's four words.

Anonymous said...

Would you build hundreds of homes in a flood plain? Me neither.


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