NRL water vapor satellite photo from 3:30 p.m. on June 29, 2008 suggests that the source of the

alt="NRL water vapor satellite photo from 3:30 p.m. on June 29, 2008 suggests that the source of the moisture for the Sierra thunderstorms was Tropical Storm Cristina." border="0">

NRL water vapor satellite photo from 3:30 p.m. on June 29, 2008 suggests that the source of the moisture for the Sierra thunderstorms was Tropical Storm Cristina.

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