WSE Implementation on
10/22/2007: |
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Water Supply Department
Technical Input |
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Water Supply Outlook: |
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District wide, rainfall was
1.31” for the week ending 10/22/2007 (154% of average, 0.85”). |
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The
October 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 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 improved. The 30-Day Net Rainfall has risen in the past few weeks and is
in the normal range. The Two-Week Moving Average S65E Flow is in the normal
range after two weeks of above-average rainfall. However, the long-term
Palmer Drought Severity Index (PDSI)* as of 10/20/2007 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 |
-2.66 |
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 |
-0.06 ft (Dry) |
H |
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AMO/La Nina |
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LOK Multi-Seasonal Net
Inflow Forecast |
1.84 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 (17.27 ft) |
L |
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WCA 2A: Site 2-17 |
Above Line 1 (13.80 ft) |
L |
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WCA-3A: Sites 63, 64 &
65 |
Above Line 1 (9.99 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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