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Daily Reservoir Report and Forecast

 

 

DAILY RESERVOIR SUMMARY FOR: 29-Jan-2015
   FLOOD     ACTUAL FOR TODAY
 STORAGE                  POOL ELEVATIONS (NAVD88)          7AM        7AM
 CAPACITY     MINIMUM     WINTER    SUMMER          FULL         POOL  OUTFLOW
RESERVOIR     USED         POOL   MAX POOL   MAX POOL          POOL         ELEV        CFS
Allegheny 0% 1239.5 1306.5 1327.5 1364.5 1300.90 1340
Tionesta 1% 1084.6 1169.6 1086.94 270
Union City 0% 1209.7     1277.7 1219.73 210
Woodcock 0% 1161.9 1164.9 1180.4 1208.4 1164.74 45
East Branch 0% 1554.8 1622.8 1649.8 1684.8 1622.45 60
Mahoning 1% 1074.2   1097.1 1161.1 1077.05 180
Crooked Creek 1% 837.4 917.4 841.83 118
Conemaugh 1% 899.2 974.2 902.26 1110
Loyalhanna 1% 909.5     974.5 917.30 370
Stonewall Jackson 2% 1037.3 1067.5 1072.5 1081.3 1067.87 150
Tygart 6% 1009.5 1039.5 1093.5 1166.5 1043.91 3320
Yough 0% 1343.4 1418.4 1438.4 1469.4 1416.85 600
Michael J. Kirwan 0% 950.6 980.6 985.1 992.6 980.51 20
Berlin 1% 979.3 1015.9 1024.0 1031.3 1016.24 160
Lake Milton 3% 929.4 939.4 947.4 950.4 939.89 215
Mosquito 1% 880.3 899.2 900.7 903.3 899.26 23
Shenango 0% 883.7 886.7 894.7 917.7 887.11 730
                      FORECAST FOR THE FOLLOWING THREE DAYS
  30-Jan-2015   31-Jan-2015   1-Feb-2015
         7AM        7AM          7AM        7AM          7AM        7AM
        POOL  OUTFLOW         POOL  OUTFLOW         POOL  OUTFLOW
RESERVOIR           ELEV        CFS         ELEV        CFS         ELEV        CFS
Allegheny   1300.99 1340 1301.05 1340 1301.10 1340
Tionesta   1086.70 270 1086.45 270 1086.19 270
Union City   1218.96 200 1218.44 190 1218.22 180
Woodcock   1164.70 30 1164.64 30 1164.57 30
East Branch   1622.41 60 1622.36 60 1622.31 60
Mahoning   1076.64 180 1077.10 100 1077.57 100
Crooked Creek   841.71 118 841.57 118 841.42 118
Conemaugh   901.87 810 902.02 560 902.19 560
Loyalhanna   917.35 170 918.08 110 918.84 110
Stonewall Jackson   1067.82 150 1067.75 150 1067.67 150
Tygart   1042.00 3320 1039.57 3320 1038.55 2350
Yough   1416.93 500 1416.98 500 1417.02 500
Michael J. Kirwan   980.52 20 980.52 20 980.52 20
Berlin   1016.16 160 1016.08 160 1015.99 160
Lake Milton   939.81 215 939.73 215 939.65 215
Mosquito   899.25 23 899.24 23 899.23 23
Shenango   887.04 595 886.95 595 886.86 595
  FLOOD STORAGE USED                  SNOW ON THE GROUND
District-wide 1.2%          SNOW     WATER
Allegheny Basin 0.4% BASIN        DEPTH   CONTENT
Monongahela Basin 3.9% Upper Allegheny River 10.6 1.6
Beaver Basin 0.7% Lower Allegheny River 7.5 1.1
Upper Mon. River 3.1 0.5
Lower Mon. River 5.4 0.8
Beaver River 6.5 1.0
Ohio River 4.3 0.6

U.S. Army Corps of Engineers: http://www.usace.army.mil/

Pittsburgh District: http://www.lrp.usace.army.mil/

Water Management: http://www.lrp.usace.army.mil/Missions/WaterManagement.aspx

NOTES

This forecast represents our "best guess" of reservoir project pool elevations and releases for the next three days.  In general, it assumes no significant rainfall during the forecast period.  Final decisions on all operations (changes in project release) are made on the day of the operation.  Future operations shown on this forecast are as expected, but not promised.

On the top panel, under "Pool Elevations" the following definitions apply:

  • Minumum Pool - the minimum pool elevation for the project.
  • Winter Max Pool - the maximum Winter Pool elevation for the project.
  • Summer Max Pool - the maximum Summer Pool elevation for the project.
  • Full Pool - the elevation of the pool at maximum flood control storage.

"Flood Storage Capacity Used" is the amount of the lake's floodwater storage which is already filled.  The lake volume between Summer/Winter Pool and Full Pool is the amount of "empty space" that the lake is supposed to keep available for storing floodwater.      

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This page updated daily by noon Eastern Time

LRP.WaterManagement@usace.army.mil