WSE Implementation on
09/03/2007: |
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Water Supply Department
Technical Input |
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Water Supply Outlook: |
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District wide, RAINDAR
rainfall was 0.95” for the week ending 9/03/2007 (56% of average,
1.70”). |
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The
August 2007 SFWMM Position Analysis percentile graph and tracking chart for Lake Okeechobee show
that the current lake stage is below the Supply-Side Management line, and has
less than a 10% chance to move back into Zone E in the next two months. |
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The short-term WSE tributary indices for the regions north of the lake
have been low for this time of the year. The 30-Day Net Rainfall has been
near zero for the past two weeks. This is unusually low for August. However, the
Net Rainfall and the Two-Week Moving Average S65E Flow are still in the
normal range. The long-term Palmer Drought Severity Index (PDSI)* as of 9/01/2007 indicates that the tributaries north of
the |
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*The PDSI is
an indicator of a seasonal moisture anomaly from what is climatically
expected. |
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Water Supply
Risk Evaluation |
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Area |
Indicator |
Value |
Color
Coded Scoring Scheme |
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LOK |
Projected LOK Stage for the
next two months |
SSM |
H |
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Palmer Index for LOK
Tributary Conditions |
-2.40 |
H |
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(Extremely Dry) |
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CPC Precipitation Outlook |
1 month: Above
Normal |
L |
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3 months: Above Normal |
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LOK Seasonal Net Inflow
Forecast |
0.61 ft (Dry) |
M |
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AMO/La Nina |
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LOK Multi-Seasonal Net
Inflow Forecast |
0.14 ft (Dry) |
H |
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AMO/La Nina |
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WCAs |
WCA 1: Sites 1-7, 1-8T &
1-9 |
Above Line 1 (16.36 ft) |
L |
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WCA 2A: Site 2-17 |
Above Line 1 (12.48 ft) |
L |
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WCA-3A: Sites 63, 64 &
65 |
Line 1 – Line 2 (9.08 ft) |
M |
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LEC |
Service Area 1 |
Phase 2 |
H |
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Service Area 2 |
Phase 2 |
H |
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Service Area 3 |
Phase 2 |
H |
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