WSE Implementation on 07/23/2007: |
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Water Supply Department
Technical Input |
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Water Supply Outlook: |
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District wide, rainfall was
1.53” for the week ending 7/23/2007 (99% of average, 1.54”). |
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The
July 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 5% 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 are mixed. The 30-Day Net Rainfall is wet, while the Two-Week Moving
Average S65E Flow continues to indicate very dry
conditions. The long-term Palmer Drought Severity Index (PDSI)* as of 7/21/2007 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 |
-1.70 |
M |
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(Dry) |
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CPC Precipitation Outlook |
1 month: |
L |
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3 months: Above Normal |
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LOK Seasonal Net Inflow Forecast |
1.53 ft (Wet) |
L |
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AMO/La Nina |
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LOK Multi-Seasonal Net Inflow Forecast |
1.02 ft (Dry) |
H |
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AMO/La Nina |
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WCAs |
WCA 1: Site 1-8C |
Above Line 1 (15.84 ft) |
L |
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WCA 2A: Site 2-17 |
Above Line 1 (11.66 ft) |
L |
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WCA-3A: Site 63, 64 & 65 |
Above Line 1 (8.88 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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