Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

United States Post Office Releases
Cloudscapes Stamps

The United States Postal Service (USPS) has issued a 15-stamp set commemorating various types of clouds. Known as the 'Cloudscapes' series, nine of the ten basic cloud types are depicted. The stamps in the series are shown below, arranged according to altitude. Clicking on a stamp will give you a larger image of the stamp, as well as the brief text which describes that particular cloud type on the back of the stamp.


Cirrus Radiatus	Cirrostratus Fibratus	Cirrocumulus Undulatus
Cumulonimbus Mammatus	High Clouds	Cumulonimbus Incus


Altocumulus Stratiformis	Altostratus Translucidus	Altocumulus Undulatus
Altocumulus Castellanus	Middle Clouds	Altocumulus Lenticularis


Stratocumulus Undulatus	Stratus Opacus	Cumulus Humilis
Cumulus Congestus	Low Clouds	Cumulonimbus with Tornado

Page last modified: October 7, 2004

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Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

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