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Old 09-20-2013, 10:55 AM
 
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It's falling in all the right places and more coming...
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Old 09-20-2013, 10:57 AM
 
Location: Warrior Country
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Quote:
Originally Posted by CptnRn View Post
LCRA Hydromet Hydromet

is showing 24 hour rainfall amounts as high as 6.33, 4.65 & 3.8 in areas upstream of Lake Travis.
Fabulous map. Thanks for posting this Cptn.
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Old 09-20-2013, 11:47 AM
 
Location: Austin, TX
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Quote:
Originally Posted by hound 109 View Post
Fabulous map. Thanks for posting this Cptn.
Unfortunatly hydromet is not updating properly, it is showing 0 steam flow in the Pedernalas that other reports say is overflowing, and hardly any rain in Austin when I have 2" in Legend Oaks and other parts of town are reporting much more.
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Old 09-20-2013, 11:52 AM
 
Location: Austin, TX
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The water has not reached the monitoring stations on the Pedernales yet, it takes a while for the surge to propagate from the creeks to the Perdernales and down to the monitors. Generally, I trust the LCRA reports better than the random reports that sometimes don't know what river they are on.

The rain has been quite variable over short distances, too, where 1/4 or 1/2 mile in an area can make a huge difference in rainfall; I think that is why the rain monitors do not match up with some personal rain gauges.

The Llano watershed is just getting blasted today, that is where most of the hope for raising Lake Travis comes from currently...

At 200 cfs, the Llano is dumping about 16 acre-feet per hour into the highland lakes - 1 acre foot supplies 3 household for 1 year (give or take). So the Llano is supplying about 50 of us per hour for the next year, keep it up! Well, minus evaporation, I suppose, and all that bunk .

Wow, just checked water forecast for Pedernales river:
http://water.weather.gov/ahps2/hydro...e=frbt2&type=2

Seems it should jump to over 2500 cfs in the next hour or so, and then fall off to 30 cfs for the next few days.

Last edited by Trainwreck20; 09-20-2013 at 12:06 PM..
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Old 09-20-2013, 12:20 PM
 
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Eyewitness reports are always ahead of lcra...
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Old 09-20-2013, 12:22 PM
 
Location: Central Texas
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Beaver creek gauge is at 473cfs, which dumps into the Llano River right after the Llano River gauge in Mason Co.
Hickory Creek is at 556cfs.
James River is at 1023cfs.

The increase on the pedernales will reach the first gauge this afternoon. I'm pretty sure emergency management from Gillespie County knows where they are at, and what they are looking at...

All that overnight rain out there is just now starting to register on the gauges as it moves downstream.
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Old 09-20-2013, 02:39 PM
 
Location: Austin, TX
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Quote:
Originally Posted by CptnRn View Post
LCRA Hydromet Hydromet

is showing 24 hour rainfall amounts as high as 6.33, 4.65 & 3.8 in areas upstream of Lake Travis.


I thought it would be nice to capture an update, I like seeing those larger numbers. Lots more 6+" & 3+" in the Llano River Basin, lots of 2+" elsewhere. All feeding Lake Travis.

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Old 09-20-2013, 02:43 PM
 
Location: Central Texas
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Quote:
Originally Posted by BriansZ View Post
I know there have been times in the past where Lake Travis has risen 1+ feet per hour following rains. I don't know if this will have much affect on the lake, but I'd love to be able to sit out there on one of the sometimes islands (with a boat close by) and watch the island slowly disappear as the lake rises. Maybe someday....
It will need to rain all day and all night for several days for that to happen. We have just gotten to where the ground is saturated and the run starts to get into the streams.

The LCRA hydromet data for stream flows is still pretty modest. We need the San Saba, Llano, the Colorado, and the Pedernales to rise significantly. Get close to flooding.
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Old 09-20-2013, 02:52 PM
 
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A couple of inches won't do anything at all - a nice break but the ground is so dry it would absorb. The high totals of 5-6" certainly could have an effect if wide spread. . .doesn't look like that will happen.

What we really need is to have a good rain even directly on the heels of this one with the ground saturated and all run-off ending up in the lake.

Tasty snack to be sure - but it's no drought buster.
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Old 09-20-2013, 03:02 PM
 
Location: Avery Ranch, Austin, TX
8,977 posts, read 17,537,346 times
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Quote:
Originally Posted by EzPeterson View Post
Now we just need this front to stall here for a few days and give us the 14" in 24 hours that we had in 2010.

I went out yesterday and had both cars professionally washed, then left them in the driveway to make sure it would rain today - you're welcome.
One each on Tuesday and Wednesday for us! Just doin' our part.
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