WSP09347

• File Number: 8040.970
• Description: Basin Outlook Reports
• State: CO
• Date: 1/1/2002
• Author: USDOA
• Title: Colorado Basin Outlook Report
• Water Supply Pro - Doc Type: Publication

....~~.===~.===~~.......~.....==~..~~==.==...===....................._..._._...................==.=a~z.=....~.=~=====~=....~..~=~.

UPPER RIO GRANDE BASIN
Streamflow Forecasts - March I, 2002

.....~__CC._~=..E=~.....=..=...._~.....--_..__........_......_._.._a~~..........C~=..~_.=c..~c.a=z.......~Z==~.~=~..=Z==.===......

1
1
Forecast I ---..-.....-...--.---. Chance Of Exceeding ...E..._a.....=~"'._...._
period I 90\; 70\; ISO\; (Most Probable) I 30\; 10\; I 30-Yr Avg.
I (1000AP) (1000AP) I (lOOOAF) (\; AVG.) I (1000AF) (1000AF) I (1000AF)
...................................===................=.._.......==.1.......................1..................=..======...===...=
Rio Grande at Thirty Mile Bridge APR-SEP 42 52 1 60 44 I 70 87 136
1 1
I 54 46 I
I 1
I 155 45 I
1 1
1 50 38 1
1 1
I 210 40 I
1 1
I 15.4 47 I
1 t
I 30 43 I
1 1
\ 3.20 31 I
I
I
I
I
I
1
1
I
I
1
1
1
1
1
1
1
1
1

Forecast Point

Rio Grande Reservoir Inflow

APR-Jl]L

Rio Grande at Nagon Wheel Gap

~R-SEP

South Fork Rio Grande at South Fork

APR-SEP

Rio Grande nr Del Norte

APR-SEP

Saguache Creek nr Saguache

APR-SEP

Alamosa Creek abv Terrace Reservoir

APR-SEP

La Jara Creek nr Capulin

M>R-JUL

Trinchera Water SUpply

APR - SEP

platoro Reservoir Inflow

APR - J'UL
APR-SEP

coneJos Rlver nr Mogote

APR-SEP

San AntonlO Rlver at Ortiz

APR-SEP

Los Pinos River nr Ortiz

APR-SEP

CUlebra Creek at. San Luis

APR-SEP

Costilla Reservoir lnflow

M>R-JUL

Costilla Creek nr Costilla

M>R-JUL

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24

26

Future Conditions

Wetter ....."''''

~~~.=~.~ Drler .=_....

6.0

121

7.5

'.6

1.17

6.8

10.3
12.5

'.0

1.6

0.6

'.3

1.'

2.1

38

25

12.2

19.7

2.3B

14.7

19.3

UPPER RIO GRANDE BASIN
ReservOlr Storage (1000 Af) End of February

I
1
~~~=~=a.E=..~~.a~~.=a~.=_.~....._...__.._._..____.._____..._.=.E2===~=C==========~..~.......c....~==========~====.===~=~~.a.=.~=~====
Usable I *h Usable Storage I Number This Year as \; of
Capacity[ ThlS Last I Watershed of ...==~~~"n_=".===
I Yea.r Year Avg I Data Sites Last Yr Average
...........................................=...===..==..............====1===========........._....====================.=.........=
CONTINENTAL 15.0 3.3 5.4 5.3 I ALAMOSA CREEK BASIN 2 51 45
I
24.3 I
1
17_6 I
1
24.1 I
1
10.6 I
I
6.7 I
I

Reservoir

PLATORO

53.7

RIO GRANDE

51. 0

SANCHEZ

103.0

SANTA HARIA

45.0

TERRACE

13.

._....__..._...._......~========~~=..........=._.._=_a~a~~_...~_..a_.........._._a_....~..._........_....a..........E.a.a.~.a........

16.8

11.8

23.6

7.5

'.5

14.0

1) .8

26.0

10.0

5.'

"

62

,

"

318

30'

207

285

"5

32

68

..

332

37.

'00

'"

533

22

.0

S.42

20

50

3l

32

"

21
"

..
'5

'5
"

55

70

28
32

53

"

30.

e..6El

8.7(1

80

'.3

6.5

"

...

"

"

32

"

45

"
52

"
7l

'.0

57

20

~52

200

13.0

"0

55

7.6

14.6

16.4

5.8

8.6

13.0

50

17.4

"

"

30

23

10.3

10.6

UPPER RIO GRANDE BASIN
Watershed Snowpack Analys15 - March 1, 2002

OONEJOS & RIO SAN ANTONIO

CULEBRA & TRINCHERA CREEK

UPPER RIO GRANDE BASIN

TOTAL UPPER RIO GRANDE BA

5

"

"

"

65

II

33

'5

23

"

"

* 90'. 70\;. 30\;. and 10\ chances of exceeding are the probabil~tie8 that the actual volume wlll exceed the vclumes in the table.

The average is computed for the 1971-2000 base perlod.

(11 The values listed under the 10\; and 90\; Chance of Exceeding are actually 5\; and 95\; exceedance levels.
(2) The value is natural volume _ actual volume may be affected by upstream water mana.gement.