Extended Streamflow Prediction
Issued by NWS Colorado Basin RFC

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747
FGUS65 KSTR 161914
ESPSTR
TTAA00 KSTR DDHHMM
:National Weather Service, Colorado Basin River Forecast Center, SLC, Utah

:April mid-month Forecast      April 16, 2018

"product_issuance=mid-month"
.B SLC 180801 M DH24/DC1804161800/DVM04/QCVFEZ5
:FLOOD CONTROL RESERVOIR UNREGULATED INFLOW FORECASTS
:1 April through 31 July 2018 (units:: 1000`s Acre-Feet)
:Reservoir            Most
:ID   Name            Probable
LKSA3:Lake Mead      :    3453
GLDA3:Lake Powell    :    3300
NVRN5:Navajo         :     220
BMDC2:Blue Mesa Res  :     360
GRNU1:Flaming Gorge  :    1070
.END
:
:Other Reservoir Unregulated Inflow Forecasts
:
.B SLC 180430 M DH24/DC1804161800/QCMFEZ5/DRE+1/QCMFEZ5/DRE+2/QCMFEZ5
.B1 DY180801/DVM04/QCVFEZ5
:                               Obs        mar    Forecast       Outlook
:                     dec  jan  feb  mar  %Avg   apr   may   jun apr-jul %Avg
GLDA3:Lake Powell     299  262  269  332   50%:  450/  850/ 1450/ 3300/:  46%
GBRW4:Fontenelle       46   42   38   58  110%:   90/  180/  420/  970/: 134%
GRNU1:Flaming Gorge    52   52   57   86   84%:  115/  215/  450/ 1070/: 109%
BMDC2:Blue Mesa        25   20   23   28   78%:   46/  121/  143/  360/:  53%
MPSC2:Morrow Point     26   22   24   29   72%:   52/  130/  153/  390/:  53%
CLSC2:Crystal          29   25   27   33   71%:   60/  144/  165/  430/:  51%
TPIC2:Taylor Park     4.1  4.2  3.8  4.6  104%:    8/   21/   28/   66/:  67%
VCRC2:Vallecito       3.2  2.7  2.9  3.9   45%:    9/   27/   17/   60/:  64%
NVRN5:Navajo         10.3 12.2 14.6   24   26%:   58/   90/   50/  220/:  30%
LEMC2:Lemon          0.50 0.40 0.38 0.61   38%:  1.5/    5/    3/   11/:  20%
MPHC2:McPhee         0.71 1.68  2.1  2.9   14%:   10/   37/   21/   74/:  25%
RBSC2:Ridgway         3.7  3.4  3.1  3.4   59%:    5/   14/   19/   47/:  47%
:
.END
:
:Other
:
.B SLC 180430 M DH24/DC1804161800/QCMFEZ5/DRE+1/QCMFEZ5/DRE+2/QCMFEZ5
.B1 DY180701/DVM04/QCVFEZ5
:                               Obs        mar    Forecast       Outlook
:                     dec  jan  feb  mar  %Avg   apr   may   jun mar-jun %Avg
PRSC2:Paonia         0.97 0.94 0.95  2.3   41%:    6/   15/    6/   29/:  30%
:
.END

: JULY MONTHLY FORECAST BREAKDOWN
:                      jul

:GLDA3:Lake Powell    550
:GBRW4:Fontenelle     280
:GRNU1:Flaming Gorge  290
:BMDC2:Blue Mesa       50
:MPSC2:Morrow Point    55
:CLSC2:Crystal         61
:TPIC2:Taylor Park      9
:RBSC2:Ridgeway         9
:PRSC2 Paonia           2
:VCRC2:Vallecito        7
:NVRN5:Navajo          22
:MPHC2:McPhee           6
:DRGC2:Durango         16
:LEMC2:Lemon            1.5


                       PRECIPITATION SUMMARY - % OF AVERAGE BY MONTH - WY 2018
RIVER BASIN:             OCT  NOV  DEC  JAN  FEB  MAR
GREEN
   ABV FLAMING GORGE      35  130   90   85   95  110
   ABV GRN RVR,UT (TOT)   45   85   65   75   80  105
COLORADO
   ABV  GRAND JUNCTION   100   55   65   85  105   65
   GUNNISON BASIN         50   45   30   75  105   50
   DOLORES BASIN          30   20   20   75   95   55
   ABV CISCO (TOTAL)      75   50   50   80  105   60
SAN JUAN
   ABV BLUFF (TOTAL)      20   30   15   55  105   45
ABV LAKE POWELL (TOTAL)   55   60   50   75   95   75

G.Smith/A.Nielson
CBRFC (801-524-5130)




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