WSE Implementation on
12/17/2007: |
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Water Supply Department
Technical Input |
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Water Supply Outlook: |
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District wide, rainfall was
0.34” for the week ending 12/14/2007 (75% of average, 0.45”). |
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The
December 2007 SFWMM Position Analysis percentile graph and tracking chart for Lake Okeechobee show
that the current lake stage is below the Water Restrictions Trigger Line, and
has barely 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 remain dry. Both the 30-Day Net Rainfall and the Two-Week Moving Average
S65E Flow are in the dry range. The long-term Palmer Drought Severity Index (PDSI)* as of 12/15/2007 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 |
Water Restrictions Zone |
H |
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Palmer Index for LOK
Tributary Conditions |
-2.74 |
H |
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(Extremely Dry) |
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CPC Precipitation Outlook |
1 month: Below
Normal |
M |
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3 months: Below
Normal |
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LOK Seasonal Net Inflow
Forecast |
-0.58 ft (Very Dry) |
H |
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AMO/La Nina |
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LOK Multi-Seasonal Net
Inflow Forecast |
2.04 ft ( |
M |
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AMO/La Nina |
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WCAs |
WCA 1: Sites 1-7, 1-8T &
1-9 |
Above Line 1 (16.90 ft) |
L |
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WCA 2A: Site 2-17 |
Above Line 1 (12.65 ft) |
L |
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WCA-3A: Sites 63, 64 &
65 |
Above Line 1 (9.77 ft) |
L |
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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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