Choose State Change Location

CW DMAG Update - February 29, 2008

The following are the Low Inflow Protocol (LIP) drought indicators as of February 29, 2008:
Current Overall Stage = 3

Storage Index (SI): 61.43%
Target Storage Index = 60.66%
Ratio = 101.27% (Supports Normal Conditions)

Trend Data:
Gain Rate since January 30, 2008 (30 days) = 2.59% per week

Streamflow Indicator (six-month average versus historical six-month average):
Ratio = 34.1% (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%
Ratio on December 14, 2007 = 32.6%
Ratio on January 25, 2008 = 31.1%


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

Groundwater Gages (feet below surface):
USGS Langtree current reading = 22.83 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
December 14, 2007 reading = 22.95 ft
January 25, 2008 reading = 23.23 ft

USGS Linville current reading = 2.19 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
December 14, 2007 reading = 2.24 ft
January 25, 2008 reading = 2.21 ft


NCDWR Glen Alpine reading = 8.71 ft
(reading on February 21, 2008)
August 15, 2007 reading = 9.90 ft
September 27, 2007 reading = 9.93 ft
October 25, 2007 reading = 10.07 ft
November 28, 2007 reading = 9.83 ft
December 12, 2007 reading = 9.83 ft
January 31, 2008 reading = 9.18 ft