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Daily Reservoir Report and Forecast

 

DAILY RESERVOIR SUMMARY FOR: 20-Dec-14
   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 1306.08 8160
Tionesta 3% 1084.6 1169.6 1091.40 1900
Union City 17% 1209.7     1277.7 1249.02 1065
Woodcock 0% 1161.9 1164.9 1180.4 1208.4 1166.99 195
East Branch 0% 1554.8 1622.8 1649.8 1684.8 1623.25 245
Mahoning 3% 1074.2   1097.1 1161.1 1085.93 765
Crooked Creek 2% 837.4 917.4 842.48 425
Conemaugh 2% 899.2 974.2 904.56 3330
Loyalhanna 2% 909.5     974.5 920.43 760
Stonewall Jackson 0% 1037.3 1067.5 1072.5 1081.3 1067.32 145
Tygart 3% 1009.5 1039.5 1093.5 1166.5 1047.61 2585
Yough 0% 1343.4 1418.4 1438.4 1469.4 1416.84 600
Michael J. Kirwan 1% 950.6 980.6 985.1 992.6 980.68 57
Berlin 1% 979.3 1015.9 1024.0 1031.3 1016.26 155
Lake Milton 0% 929.4 939.4 947.4 950.4 939.69 170
Mosquito 0% 880.3 899.2 900.7 903.3 899.25 97
Shenango 1% 883.7 886.7 894.7 917.7 888.46 1370
                      FORECAST FOR THE FOLLOWING THREE DAYS
  21-Dec-14   22-Dec-14   23-Dec-14
         7AM        7AM          7AM        7AM          7AM        7AM
        POOL  OUTFLOW         POOL  OUTFLOW         POOL  OUTFLOW
RESERVOIR           ELEV        CFS         ELEV        CFS         ELEV        CFS
Allegheny   1305.35 8160 1304.44 8160 1303.77 6500
Tionesta   1089.18 1900 1087.70 1450 1087.81 850
Union City   1247.56 1012 1245.88 961 1243.93 913
Woodcock   1166.23 140 1165.29 140 1165.01 80
East Branch   1623.10 245 1622.89 245 1622.82 180
Mahoning   1083.21 765 1081.95 510 1080.04 510
Crooked Creek   841.82 330 841.52 210 841.28 160
Conemaugh   902.82 2200 902.04 1400 902.14 800
Loyalhanna   919.98 505 919.97 375 919.81 375
Stonewall Jackson   1067.22 145 1067.19 70 1067.18 45
Tygart   1047.81 2585 1046.96 2585 1045.40 2585
Yough   1417.05 600 1417.14 600 1417.14 600
Michael J. Kirwan   980.65 57 980.63 57 980.59 57
Berlin   1016.20 155 1016.12 155 1016.02 155
Lake Milton   939.67 170 939.65 170 939.62 170
Mosquito   899.23 97 899.20 97 899.17 97
Shenango   888.23 1370 887.94 1370 887.69 1230
  FLOOD STORAGE USED                  SNOW ON THE GROUND
District-wide 1.5%          SNOW     WATER
Allegheny Basin 1.6% BASIN        DEPTH   CONTENT
Monongahela Basin 1.5% Upper Allegheny River 1.2 0.2
Beaver Basin 1.1% Lower Allegheny River 0.2 0.0
Upper Mon. River 0.1 0.0
Lower Mon. River 0.1 0.0
Beaver River 0.3 0.0
Ohio River 0.0 0.0

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