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CW DMAG Update - December 7, 2007 Low Inflow Protocol (LIP) Drought Indicators

The following are the Low Inflow Protocol (LIP) drought indicators as of December 7, 2007:

Current Overall Stage = 3

Storage Index (SI): 35.20%
Target Storage Index = 61.81%
Ratio = 56.95% (Supports Stage 3)

Trend Data:
Loss Rate since November 7, 2007 (30 days) = 0.64% per week

Streamflow Indicator (six-month average versus historical six-month average):
Ratio = 33.4% (Supports Stage 4)

Trend Data:
Ratio on July 30, 2007 = 66.6%
Ratio on August 31, 2007 = 64.0%
Ratio on September 28, 2007 = 46.3%
Ratio on October 26, 2007 = 40.2%
Ratio on November 30, 2007 = 34.2

US Drought Monitor (three-month average)
Three-month Numeric Average = +4.00 (Supports Stage 4)

Groundwater Gages (feet below surface):
USGS Langtree current reading = 22.87 ft
August 31, 2007 reading = 20.85 ft
September 28, 2007 reading = 21.55 ft
October 26, 2007 reading = 22.17 ft
November 30, 2007 reading = 22.76 ft

USGS Linville current readin g= 2.25 ft
August 31, 2007 reading = 2.41 ft
September 28, 2007 reading = 2.42 ft
October 26, 2007 reading = 2.07 ft
November 30, 2007 reading = 2.27 ft

NCDWR Glen Alpine reading = 9.83 ft
(reading on December 5, 2007)
August 15, 2007 reading = 9.90 ft
September 27, 2007 reading = 9.93 ft
October 25, 2007 reading = 10.07 ft
November 28, 2007 = 9.83 ft