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Archive: Sep 2011

Typhoon Roke

 MTSAT-2 10.8 µm IR channel images (above; click image to play animation) showed Category 4 Typhoon Roke as it approached Japan during the 19 September – 20 September 2011 period. Roke exhibited a well-defined eye during this time. Massive evacuations were urged by the Japanese government as this strong tropical... Read More

River valley fog in Pennsylvania

 The early morning area forecast discussion issued by the National Weather service office at State College, Pennsylvania mentioned that river valley fog was being detected by the MODIS fog/stratus product:AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 526 AM EDT FRI SEP 16 2011 .SYNOPSIS... A LARGE HIGH PRESSURE... Read More

Hurricane Maria

Maria intensified on 15 September 2011 to become the third hurricane of the 2011 season in the Atlantic Basin — convective bursts during this time period were seen on 4-km resolution GOES-13 10.7 µm IR images from the CIMSS... Read More

GOES-15: improved spatial resolution water vapor channel

 McIDAS images of 8-km resolution GOES-11 6.7 µm and 4-km resolution GOES-15 6.5 µm water vapor channel data (above) demonstrated the advantage of improved spatial resolution for the detection of features and gradients in the water vapor imagery associated with a weak upper level low moving eastward across the southwestern... Read More