ZCZC SLCESPSTR CSW
TTAA00 KSTR DDHHMM
:National Weather Service, Colorado Basin River Forecast Center, SLC, Utah

:April mid-month Forecast      April 16, 2021

"product_issuance=mid-month"
.B SLC 210801 M DH24/DC2104161800/DVM04/QCVFEZ5
:FLOOD CONTROL RESERVOIR UNREGULATED INFLOW FORECASTS
:1 April through 31 July 2021 (units:: 1000's Acre-Feet)
:Reservoir            Most
:ID   Name            Probable
LKSA3:Lake Mead      :    2931
GLDA3:Lake Powell    :    2700
NVRN5:Navajo         :     370
BMDC2:Blue Mesa Res  :     420
GRNU1:Flaming Gorge  :     470
.END
:
:Other Reservoir Unregulated Inflow Forecasts
:
:OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
:
.B SLC 210430 M DH24/DC2104161800/QCMFEZ5/DRE+1/QCMFEZ5/DRE+2/QCMFEZ5
.B1 DY210801/DVM04/QCVFEZ5
:                               Obs        mar    Forecast       Outlook
:                     dec  jan  feb  mar  %Avg   apr   may   jun apr-jul %Avg
GLDA3:Lake Powell     168  198  201  297   45%:  320/  750/ 1200/ 2700/:  38%
GBRW4:Fontenelle       27   25   24   40   76%:   55/   75/  180/  400/:  55%
GRNU1:Flaming Gorge    24   31   31   68   67%:   75/  100/  200/  470/:  48%
BMDC2:Blue Mesa        21   22   20   29   80%:   54/  135/  170/  420/:  62%
MPSC2:Morrow Point     24   23   21   30   75%:   60/  145/  190/  460/:  62%
CLSC2:Crystal          27   25   24   32   69%:   68/  165/  215/  520/:  62%
TPIC2:Taylor Park     3.8  3.6  3.5  3.8   86%:  7.0/ 20.0/ 30.0/   68/:  69%
VCRC2:Vallecito       2.7  2.9  2.7  4.1   48%: 12.5/   31/   35/   92/:  47%
NVRN5:Navajo          9.8 12.2 13.3   25   27%:   90/  145/  105/  370/:  50%
LEMC2:Lemon          0.43 0.44 0.40 0.63   40%:  2.5/    8/  8.5/   22/:  40%
MPHC2:McPhee         1.33 1.77  2.2  4.1   19%: 15.0/ 45.0/ 28.0/   95/:  32%
RBSC2:Ridgway         3.2  2.7  2.6  3.7   65%:  6.0/ 14.0/ 24.0/   58/:  57%
YDLC2:Deerlodge        22   21 18.2   36   43%:   70/  240/  270/  625/:  50%
DRGC2:Durango         6.6  6.6  5.8  6.7   30%: 20.0/ 62.0/ 75.0/  185/:  45%
:
.END
:
:Other
:
:OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
:
.B SLC 210430 M DH24/DC2104161800/QCMFEZ5/DRE+1/QCMFEZ5/DRE+2/QCMFEZ5
.B1 DY210701/DVM04/QCVFEZ5
:                               Obs        mar    Forecast       Outlook
:                     dec  jan  feb  mar  %Avg   apr   may   jun mar-jun %Avg
PRSC2:Paonia         0.40 0.49 0.51 1.5    22%:  6.0/ 18.0/ 12.0/   36/:  38%
:
.END

: JULY MONTHLY FORECAST BREAKDOWN
:                      jul  
 
:GLDA3:Lake Powell     430      
:GBRW4:Fontenelle       90
:GRNU1:Flaming Gorge    95
:BMDC2:Blue Mesa        61
:MPSC2:Morrow Point     65
:CLSC2:Crystal          72
:TPIC2:Taylor Park      11
:VCRC2:Vallecito      13.5
:NVRN5:Navajo           30
:LEMC2:Lemon             3
:MPHC2:McPhee            7
:RBSC2:Ridgway          14
:YDLC2:Deerlodge        45 
:DRGC2:Durango          28
:PRSC2:Paonia            2

                       PRECIPITATION SUMMARY - % OF AVERAGE BY MONTH - WY 2021
RIVER BASIN:             OCT  NOV  DEC  JAN  FEB  MAR
GREEN
   ABV FLAMING GORGE      50  100   75   65  140   75
   ABV GRN RVR,UT (TOT)   40   80   70   65  120   80
COLORADO
   ABV  GRAND JUNCTION    50   75   75   55  120  100
   GUNNISON BASIN         30   95   85   65   90  100
   DOLORES BASIN          20   85   75   75   75  100
   ABV CISCO (TOTAL)      40   85   80   60  105  100
SAN JUAN
   ABV BLUFF (TOTAL)      35  100   80   85   60   85
ABV LAKE POWELL (TOTAL)   35   85   75   65  105   90
     
A.Nielson/C.Moser
CBRFC (801-524-5130)