NOAA's National Weather Service HeadlinesLatest weather and climate headlines from NOAA's National Weather Service...La Nia May Soon Arrive...- February 28, 2007 Scientists at the NOAA Climate Prediction Center noted that as the 2006-2007 El Nio faded, surface and subsurface ocean temperatures have rapidly decreased. Recently, cooler-than-normal water temperatures have developed at the surface in the east-central equatorial Pacific, indicating a possible transition to La Nia conditions.http://www.noaanews.noaa.gov/stories2007/s2805.htm ...National Weather Service's Improved Tornado Rating System Now Operational...- February 1, 2007 On February 1st, the National Weather Service fully implemented the Enhanced Fujita (EF) scale to rate tornadoes, replacing the original Fujita Scale. The EF scale will continue to rate tornadoes on a scale from zero to five, but ranges in wind speed will be more accurate with the improved rating scale.http://www.spc.noaa.gov/efscale/ |