Tropical Depression 06W is still slowing, making its way through the South China Sea today and has weakened overnight. NASA infrared satellite imagery showed a much more disorganized storm with scattered convection, which accounts for its weakened status from tropical storm to tropical depression.
Typhoon Songda was east of the Philippines when the Tropical Rainfall Measuring Mission (TRMM) satellite had an early evening view on May 25, 2011 at 0903 UTC (05:03 EDT) and saw good organization within the storm and heavy rainfall. Songda has intensified into a major typhoon as it tracks parallel to the east coast of the northern Philippines, spawning warnings.
It has already been called one of the largest winter storms since the 1950s and it is affecting 30 U.S. states today with snow, sleet, freezing rain and rain. NASA satellites have gathering data on the storm that stretches from Texas and the Rockies to the New England states.