U. S. Army Corps of Engineers, Jacksonville District
                       Lake Okeechobee and Vicinity Report
                   ** Preliminary Data - Subject to Revision **
 
Data Ending 2400 hours   15 APR 2014
_____________________________________________________________________________
 
Okeechobee Lake Regulation      Elevation   Last Year  2YRS Ago
                                (ft-NGVD)   (ft-NGVD)  (ft-NGVD)
  *Okeechobee Lake Elevation       13.29       13.62    11.81 (Official Elv)
  Bottom of High Lake Mngmt= 16.96  Top of Water Short Mngmt= 11.33
  Currently in Operational Management Band
 
  Simulated Average LORS2008 [1965-2000]    12.75
  Difference from Average LORS2008          0.54
 
  15APR (1965-2007) Period of Record Average    13.99
  Difference from POR Average                  -0.70
 
  Today Lake Okeechobee elevation is determined from the 4 Int & 4 Edge stations
 
  ++Navigation Depth (Based on 2007 Channel Condition Survey) Route 1 ÷  7.23'
  ++Navigation Depth (Based on 2008 Channel Condition Survey) Route 2 ÷  5.43'
  Bridge Clearance = 50.43'
______________________________________________________________________________
 
4 Interior and 4 Edge Okeechobee Lake Average (Avg-Daily values):
 
  L001   L005   L006   LZ40   S4     S352   S308   S133
  13.22  13.19  13.24  13.37  13.21  13.45   13.27 13.38
 
 
 *Combination Okeechobee  Avg-Daily Lake Average =  13.29
                                                   (*See Note)
______________________________________________________________________________
 
Okeechobee Inflows (cfs):
  S65E           -NR-      S191              0      Fisheating Cr     1
  S154              0      S133 Pumps        0      S135 Pumps        0
  S84               0      S127 Pumps        0      S2 Pumps          0
  S71               0      S129 Pumps        0      S3 Pumps          0
  S72               0      S131 Pumps       32      S4 Pumps          0
  C5                0
Total Inflows:  No Report Due To Missing S65E Discharge Data
 
Okeechobee Outflows (cfs):
  S135 Culverts     0      S354            357      S77            -NR- (Used)
  S127 Culverts     0      S351            185      S77Below        -86 (NOT USED)
  S129 Culverts     0      S352            503      S308            193 (Used)
  S131 Culverts            L8 Canal Pt     -12      S308Below       148 (NOT USED)
Total Outflows:  No Report Due To Missing S77 or S308 Discharge Data
 
****S77 Structure outflow is being used to compute Total Outflow.
****S308 Structure outflow is being used to compute Total Outflow.
 
Okeechobee Pan Evaporation (inches):
  S77            0.35      S308           0.17
  Average Pan Evap x 0.75 Pan Coefficient =  0.19" =  0.02'
 
Lake Average Precipitation using NEXRAD: =  0.02" =  0.00'
 
Evaporation - Precipitation:             =  0.17" =  0.01'
Evaporation - Precipitation using Lake Area of 730 square miles
  is equal to   3435 cfs out of the lake.
Lake Okeechobee (Change in Storage) Flow is      0 cfs or      0 AC-FT
______________________________________________________________________________
______________________________________________________________________________
 
 
 
Note: Headwater, tailwater, and stage values below are instantaneous values
      unless otherwise specified.
 
             Headwater Tailwater         ----------- Gate Positions ------------
             Elevation Elevation  Disch   #1   #2   #3   #4   #5   #6   #7   #8
             (ft-msl)  (ft-msl)   (cfs)  (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft)
                               (I) see note at bottom
North East Shore
  S133 Pumps:  13.25     13.14       0      0    0    0    0    0  (cfs)
  S193:       ______
  S191:        19.01     13.20       0    0.0  0.0  0.0
  S135 Pumps:  13.00     13.31       0      0    0    0    0       (cfs)
  S135 Culverts:                     0    0.0  0.0
 
North West Shore
  S65E:        21.00     13.00    -NR-    0.0  0.3 -0.2 -NR-  0.9  1.1
  S127 Pumps:  13.58     13.28       0      0    0    0    0    0  (cfs)
  S127 Culvert:                      0    0.0
 
  S129 Pumps:  13.02     13.30       0      0    0    0            (cfs)
  S129 Culvert:                      0    0.1
 
  S131 Pumps:  13.04     13.18      32      0   32                 (cfs)
  S131 Culvert:
 
  Fisheating Creek
    nr Palmdale          28.04       1
    nr Lakeport          13.15
  C5:          13.21    13.20      0    0.0  0.0  0.0
 
South Shore
  S4 Pumps:    11.24     13.28       0      0    0    0            (cfs)
  S169:        13.28     11.30       0    0.0  0.0  0.0
  S310:        13.19                 7
  S3 Pumps:    10.97     13.35       0      0    0    0            (cfs)
  S354:        13.35     10.97     357    0.2  0.4
  S2 Pumps:    11.24     13.24       0      0    0    0    0       (cfs)
  S351:        13.24     11.24     185    0.0  0.0  0.0
  S352:        13.46     11.16     503    1.1  1.1
  C10A:         -NR-     13.59           10.0  10.0   8.0  10.0  10.0
  L8 Canal PT            13.42     -12
 
  _________________________________________________________________________
                   S351 and S352 Temporary Pumps/S354 Spillway
 
  S351:        11.24     13.24     185  -NR--NR--NR--NR--NR--NR-
  S352:        11.16     13.46     503  -NR--NR--NR--NR-
  S354:        10.97     13.35     357  -NR--NR--NR--NR-
  _________________________________________________________________________
 
Caloosahatchee River (S77, S78, S79)
  S47B:        14.18     11.38            0.0  0.4
  S47D:        11.31     11.31     -37    5.0
  S77:
    Spillway and Sector Flow:
               13.22     11.36    -NR-    0.0  0.0  0.0  0.0
    Flow Due to Lockages+:        -NR-
 
  S77 Below USGS Flow Gage         -86
 
  S78:
    Spillway and Sector Flow:
               11.16      2.98       0    0.0  0.0  0.0  0.0
    Flow Due to Lockages+:          11
 
  S79:
    Spillway and Sector Flow:
                3.11      1.03      91    0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0
    Flow Due to Lockages+:           9
    Percent of flow from S77      -NR-%
    Chloride            (ppm)     70
 
 
St. Lucie Canal (S308, S80)
  S308:
    Spillway and Sector Flow:
               13.42     13.07     193    0.0  0.0  2.5  0.0
    Flow Due to Lockages+:           0
 
  S308 Below USGS Flow Gage        148
  S153:        18.88     12.97       0    0.0  0.0
  S80:
    Spillway and Sector Flow:
               13.30      1.03       0    0.0  0.0  0.0  0.0  0.0  0.0  0.0
    Flow Due to Lockages+:          21
    Percent of flow from S308   NA  %
 
  Steele Point Top Salinity    (mg/ml) ****
  Steele Point Bottom Salinity (mg/ml) ****
 
  Speedy Point Top Salinity    (mg/ml) ****
  Speedy Point Bottom Salinity (mg/ml) ****
 
 + Flow Due to lockages is computed utilizing average daily headwater and
   tailwater along with total number of lockages for the day to calculate
   a volume which is then converted to an average discharge in cfs.
______________________________________________________________________________
                                                               ----- Wind ----
Daily Precipitation Totals    1-Day       3-Day       7-Day    Direction Speed
                             (inches)    (inches)    (inches)   (Degų)   (mph)
  S133 Pump Station:           0.00        0.05        0.05
  S193:                        -NR-        0.00        0.00     -NR-    -NR-
  Okeechobee Field Station:    -NR-        0.00        0.00
  S135 Pump Station:           0.00        0.00        0.03
  S127 Pump Station:           0.00        0.07        0.07
  S129 Pump Station:           0.00        0.06        0.07
  S131 Pump Station:           0.00        0.65        0.65
  S77:                         0.00        0.60        0.60      352       3
  S78:                         0.03        0.04        0.04      329       3
  S79:                         0.00        0.01        0.01      301       1
  S4 Pump Station:             -NR-        0.00        0.00
  Clewiston Field Station:     0.00        0.87        0.87
  S3 Pump Station:             0.00        1.23        1.23
  S2 Pump Station:             0.02        1.06        1.06
  S308:                        0.01        0.01        0.01      284      14
  S80:                         -NR-        0.00        0.00      270       0
        Okeechobee Average     0.00        0.35        0.36
        (Sites S78, S79 and S80 not included)
  -----------------------------------------------------------------
  Oke Nexrad Basin Avg         0.02        0.09        0.10
  -----------------------------------------------------------------
 
 
______________________________________________________________________________
Okeechobee Lake Elevations  15 APR 2014           13.29 Difference from 15APR14
   15APR14  -1 Day  =       14 APR 2014           13.29             0.00
   15APR14  -2 Days =       13 APR 2014           13.28            -0.01
   15APR14  -3 Days =       12 APR 2014           13.30             0.01
   15APR14  -4 Days =       11 APR 2014           13.33             0.04
   15APR14  -5 Days =       10 APR 2014           13.37             0.08
   15APR14  -6 Days =       09 APR 2014           13.44             0.15
   15APR14  -7 Days =       08 APR 2014           13.46             0.17
   15APR14 -30 Days =       16 MAR 2014           13.69             0.40
   15APR14  -1 Year =       15 APR 2013           13.62             0.33
   15APR14  -2 Year =       15 APR 2012           11.81            -1.48
______________________________________________________________________________
Long Term Mean 30day Avearge ET for Lake Alfred (Inches) =  4.13
______________________________________________________________________________
                         Lake Okeechobee Net Inflow (LONIN)
                   Average Flow over the previous 14 days  |  Avg-Daily Flow
   15APR14    Today =       15 APR 2014     -1942  WED     |      -NR-
   15APR14  -1 Day  =       14 APR 2014     -1484  TUE     |      -NR-
   15APR14  -2 Days =       13 APR 2014     -2062  MON     |     -1163
   15APR14  -3 Days =       12 APR 2014     -1697  SUN     |      -NR-
   15APR14  -4 Days =       11 APR 2014     -1192  SAT     |      -NR-
   15APR14  -5 Days =       10 APR 2014      -969  FRI     |      -NR-
   15APR14  -6 Days =       09 APR 2014      -760  THU     |     -1717
   15APR14  -7 Days =       08 APR 2014     -1828  WED     |      -NR-
   15APR14  -8 Days =       07 APR 2014       112  TUE     |      -NR-
   15APR14  -9 Days =       06 APR 2014        80  MON     |      -NR-
   15APR14 -10 Days =       05 APR 2014        80  SUN     |      -NR-
   15APR14 -11 Days =       04 APR 2014        80  SAT     |     -2942
   15APR14 -12 Days =       03 APR 2014       -36  FRI     |      -815
   15APR14 -13 Days =       02 APR 2014        94  THU     |     -3072
______________________________________________________________________________
______________________________________________________________________________
                                 S65E
                       Average Flow over previous 14 days  |  Avg-Daily Flow
   15APR14     Today=       15 APR 2014      1102  WED     |      -NR-
   15APR14  -1 Day  =       14 APR 2014      1099  TUE     |      -NR-
   15APR14  -2 Days =       13 APR 2014      1090  MON     |      -NR-
   15APR14  -3 Days =       12 APR 2014      1076  SUN     |      -NR-
   15APR14  -4 Days =       11 APR 2014      1079  SAT     |      -NR-
   15APR14  -5 Days =       10 APR 2014      1101  FRI     |      1137
   15APR14  -6 Days =       09 APR 2014      1098  THU     |      1135
   15APR14  -7 Days =       08 APR 2014      1101  WED     |      1129
   15APR14  -8 Days =       07 APR 2014      1126  TUE     |      1063
   15APR14  -9 Days =       06 APR 2014      1137  MON     |      1048
   15APR14 -10 Days =       05 APR 2014      1138  SUN     |      1055
   15APR14 -11 Days =       04 APR 2014      1132  SAT     |      1061
   15APR14 -12 Days =       03 APR 2014      1128  FRI     |       970
   15APR14 -13 Days =       02 APR 2014      1136  THU     |      1319
______________________________________________________________________________
Lake Okeechobee Outlets Last 14 Days
 
             S-77       S-77    Below S-77    S-78       S-78        S-79
           Discharge  Discharge  Discharge  Discharge  Discharge  Discharge
          (0700-2100) (ALL DAY)  (ALL-DAY) (0700-2100) (ALL DAY)  (ALL DAY)
   DATE     (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)
15 APR 2014   -NR-      -NR-       -171          0         21        197
14 APR 2014    159      -NR-        681        287        683        839
13 APR 2014   1049      -NR-       1356        766       1333       1441
12 APR 2014    378      -NR-       1389        740       1301       2026
11 APR 2014   -NR-      -NR-       1429       -NR-       -NR-       2703
10 APR 2014   -NR-      -NR-       1376        818       1422       3196
09 APR 2014    818      1341        941        704       1085       2087
08 APR 2014    512      -NR-        917        410        706       1161
07 APR 2014    457      -NR-       1363        440        822        732
06 APR 2014    708      -NR-       1146        441       1019        934
05 APR 2014    829      -NR-       1763        446       1216       1440
04 APR 2014   1014      -NR-       1991        718       1602       1789
03 APR 2014    995      2389       2079        740       1654       2503
02 APR 2014   1410      3117       2603        713       2056       3669
 
             S-310      S-351      S-352      S-354    L8 Canal Pt
           Discharge  Discharge  Discharge  Discharge  Discharge
           (ALL DAY)  (ALL DAY)  (ALL DAY)  (ALL DAY)  (ALL DAY)
   DATE     (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)    (AC-FT)
15 APR 2014     15        367       997         708        -23
14 APR 2014    -11        960      1015         418         28
13 APR 2014    126       1630      1380         710        328
12 APR 2014    221       2021      1578        1148        310
11 APR 2014    168       1902      1753        1933        347
10 APR 2014     26       -NR-      1257        1539        362
09 APR 2014     23       1289       551        1049        374
08 APR 2014     21       1196       999        1148        434
07 APR 2014    191       1229       869        1255        280
06 APR 2014    271       1269       878        1120        348
05 APR 2014    356       1307      1047        1444        371
04 APR 2014    467       1317      1031        1814        395
03 APR 2014    212       1329      1108        1561        405
02 APR 2014     16       1341       484        1172        399
 
             S-308    Below S-308    S-80
           Discharge   Discharge   Discharge
           (ALL DAY)   (ALL-DAY)   (ALL-DAY)
   DATE     (AC-FT)     (AC-FT)     (AC-FT)
15 APR 2014    383         294          41
14 APR 2014    354         500          65
13 APR 2014    274         691          54
12 APR 2014    306         648          77
11 APR 2014    343         745          62
10 APR 2014    306         525          51
09 APR 2014    191         153          46
08 APR 2014    541         567          38
07 APR 2014    372         289          37
06 APR 2014    254         671          56
05 APR 2014    223         539          75
04 APR 2014      1         526          64
03 APR 2014      2         632          38
02 APR 2014      1         887          48
 
***  NOTE: 1)  Discharge from (0700-2100) is computed using Spillway and Sector
               Gate Discharges from 0700 hrs to 2100 hrs.
           2)  Discharge (ALL DAY) is computed using Spillway, Sector Gate and
               Lockages Discharges from 0015 hrs to 2400 hrs.
______________________________________________________________________________
 
(I) - Flows preceeded by "I" signify an instantaneous
      flow computed from the single value reported for the day
______________________________________________________________________________
   * On 11 May 1999, Lake Okeechobee Elevation was switched from
     Instantaneous 2400 value to an average-daily lake average.
     On 14 Mar 2001, due to the isolation of various gages within the standard
     10 stations, the average of the interior 4 station gages was used
     as the Lake Okeechobee Elevation.
     On 05 November 2010,  Lake Okeechobee Elevation was switched to a 9 gage
     mix of interior and edge gages to obtain a more reliable representation
     of the lake level.
     On 09 May 2011,  Lake Okeechobee Elevation was switched to a 8 gage
     mix of interior and edge gages to obtain a more reliable representation
     of the lake level due to isolation of S135 from low lake levels.
     Today Lake Okechobee elevation is determined from the 4 Int & 4 Edge stations
  ++ For more information see the Jacksonville District Navigation website
     at http://www.saj.usace.army.mil/
   $ For information regarding Lake Okeechobee Service Area water restrictions
     please refer to www.sfwmd.gov
______________________________________________________________________________
Report Generated 16APR2014 @ 18:15  ** Preliminary Data - Subject to Revision **