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Texas Drought Assessment and Forecasting. David R. Maidment Center for Research in Water Resources University of Texas at Austin. Water Web Services Jamboree University of Texas at Austin 20 March 2012. Electric Reliability Council of Texas (ERCOT). http://www.ercot.com/news/mediakit/maps/.

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Texas drought assessment and forecasting

Texas Drought Assessment and Forecasting

David R. MaidmentCenter for Research in Water ResourcesUniversity of Texas at Austin

Water Web Services JamboreeUniversity of Texas at Austin

20 March 2012


Electric reliability council of texas ercot
Electric Reliability Council of Texas (ERCOT)

http://www.ercot.com/news/mediakit/maps/



Standardized precipitation index spi
Standardized Precipitation Index (SPI)

Source: John Neilsen-Gammon, Texas A&M University


Weekly change in spi
Weekly Change in SPI

Source: John Neilsen-Gammon, Texas A&M University


(Byron Tapley, UT Center for Space Research)

Source:

http://www.jsg.utexas.edu/ciess/files/Water_Forum_01_Tapley.pdf


Ensemble Streamflow Simulations for 2012Produced by National Weather Service, distributed by University of Texas at Austin and Kisters

  • 348 forecast points

    • Including reservoir inflows

  • 11 basins

  • Based on weather 1959-2009

    • 50 scenarios of daily flows for each point generated from an NWS rainfall-runoff model (with reservoirs included)

  • 90+ days horizon from today (to end of summer)

  • Updated weekly

Basins


Overlay plot of 2010 2011 2012 for jan to december colorado river at austin
Overlay Plot of 2010, 2011, 2012 for Jan to December Colorado River at Austin

Dec

July

Jan


Overlay Plot of 2010, 2011, 2012 for Jan to May

Colorado River at Austin

May

March

Jan




Accumulated inflow 2007 2012 highland lake system1
Accumulated Inflow, 2007 – 2012Highland Lake System

30 year normal lake accumulation

actual lake accumulation


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