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Satellite Images Associated with the
Winter Storm of February 8-9, 2011

A visible satellite image at 915 AM CST on February 10, 2011 shows that almost all of the NWS Norman County Warning Area (CWA) was covered by snowfall.

Visible Satellite Image at 915 AM CST on February 10, 2011

Three days later, a visible satellite image at 915 AM CST on February 13, 2011 reveals that most of the snow had melted across the southern half of Oklahoma and western north Texas. However, even with warmer temperatures affecting the region, the deepest bands of snow were still quite evident.

Visible Satellite Image at 915 AM CST on February 13, 2011

The following images were created by and are available at the Cooperative Institute for Meteorological Satellite Studies (CIMSS website). A 1-km resolution MODIS 11.0 µm IR image at 02:16 AM on February 10, 2011 shows a detailed view of the cold surface IR brightness temperatures, which were as cold as -38º C over northern Oklahoma at that time.

1-km resolution MODIS 11.0 µm IR image of the central Great Plains at 02:16 AM on February 10, 2011

The following CIMSS animated satellite image of 4-km resolution GOES-13 10.7 µm IR data shows a large region with very cold surface IR brightness temperatures during the early to mid morning hours of February 10, 2011 (darker blue color enhancement) over the snow-covered portions of Kansas and Oklahoma. The GOES-13 IR imagery also showed a few thin bands of cirrus cloud moving eastward across the region.

 CIMSS animated satellite image of 4-km resolution GOES-13 10.7 µm IR data shows a large region with very cold surface IR brightness temperatures during the early to mid morning hours of February 10, 2011 (darker blue color enhancement)  over the snow-covered portions of Kansas and Oklahoma.


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