Water Year 2013: Current Conditions and Early Season Outlook in the Colorado River Basin

15
Water Year 2013: Current Conditions and Early Season Outlook in the Colorado River Basin CRFS November 14, 2012

description

Water Year 2013: Current Conditions and Early Season Outlook in the Colorado River Basin. CRFS November 14, 2012. Entering the Season (what we know now): Coming off one of worst runoff years - Soil Moisture (not good) - Baseflow (not good ) - PowerPoint PPT Presentation

Transcript of Water Year 2013: Current Conditions and Early Season Outlook in the Colorado River Basin

Page 1: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Water Year 2013: Current Conditions and

Early Season Outlook in the Colorado River Basin

CRFS November 14, 2012

Page 2: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Water Year 2013:Entering the Season (what we know now):

Coming off one of worst runoff years - Soil Moisture (not good) - Baseflow (not good)ENSO Neutral Conditions (no help)

October:Another dry month- Upper Green River Basin near normal

November:Not great so far…

Page 3: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

CBRFC Model Soil Moisture11/1/12

USGS Monthly Average StreamflowOctober 2012(includes regulated flows)

Page 4: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Base flows

East River at Almont, COAnimas River at Durango, CO

Yampa River at Steamboat Springs, COGreen at Warren Bridge, WY

Page 5: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

OCTNOV

DEC JAN FEB MARAPR

MAYJUN JUL

AUG SEP OCTNOV

DEC0

100200300400500600700800900

Lake PowellUnregulated Monthly Inflow

WY 2002WY 2012

KAF

Regulated Flows

ForecastVolumes

Page 6: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

ENSO Neutral

Sources: cpc.ncep.noaa.gov and iri.columbia.edu/climate/ENSO

Page 7: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

CPC Forecasts (10/18)

Page 8: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin
Page 9: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Nov. 13, 20125 Day Precipitation TotalGage/Radar Mosaic

Nov. 13, 20127 Day Precipitation Percent Normal

Page 10: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

November 13, 2012

Page 11: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

% Current Average

% Seasonal Peak

Upper Green 72 7

Yampa/White 58 7

Duchesne 113 15

Upper Colorado 54 7

Gunnison 58 8

Dolores 63 7

San Juan 70 10

Page 12: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

November Precipitation Forecasts

Page 13: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Early Season ESP

10/15/2012

10/17/2012

10/19/2012

10/21/2012

10/23/2012

10/25/2012

10/27/2012

10/29/2012

10/31/2012

11/2/2012

11/4/2012

11/6/2012

11/8/2012

11/10/2012

11/12/2012

0

2

4

6

8

10

12

14

16

0

2

4

6

8

10

12

14

16

Flaming Gorge WY2013Apr-Jul ESP Volume Forecasts

5 day QPF 90%0 day QPF 90%

ESP RUN DATE

KAF

Page 14: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Early Season ESP

10/15/2012

10/17/2012

10/19/2012

10/21/2012

10/23/2012

10/25/2012

10/27/2012

10/29/2012

10/31/2012

11/2/2012

11/4/2012

11/6/2012

11/8/2012

11/10/2012

11/12/2012

0

2

4

6

8

10

12

14

16

0

2

4

6

8

10

12

14

16

Blue MesaWY2013Apr-Jul ESP Volume Forecasts

5 day QPF 90%0 day QPF 90%

ESP RUN DATE

KAF

Page 15: Water Year  2013:  Current Conditions  and  Early  Season Outlook  in  the  Colorado  River Basin

Early Season ESP

10/15/2012

10/17/2012

10/19/2012

10/21/2012

10/23/2012

10/25/2012

10/27/2012

10/29/2012

10/31/2012

11/2/2012

11/4/2012

11/6/2012

11/8/2012

11/10/2012

11/12/2012

0

2

4

6

8

10

12

14

0

2

4

6

8

10

12

14

Lake Powell WY2013Apr-Jul ESP Volume Forecasts

5 day QPF 90%0 day QPF 90%

ESP RUN DATE

KAF