National Weather Service United States Department of Commerce

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

THANKSGIVING 2010 TORNADOES

 

Overview

A deepening low over the north central U.S. moved eastward over the Great Lakes during the morning of November 25. An associated cold front pushed southward through the Great Plains into southwest Louisiana. Conditions ahead of the front were only marginally suitable for the development of severe weather, with modest instability levels and weak wind shear aloft. Nevertheless, one thunderstorm developed that produced at least seven tornadoes across southwest and south central Louisiana. Dozens of homes were damaged or destroyed along a path from Jennings, Louisiana to near Opelousas, Louisiana, resulting in one injury. Five of these tornadoes were rated EF1 on the Enhanced Fujita Scale, with two rated EF0.

 

Local Storm Reports
Experimental Graphical Local Storm Reports for November 25 2010
SPC Storm Reports for November 25 2010
List of all Local Storm Reports for November 25 2010
November 25 2010 Google Earth KML data file

Event track image
 

Google Map Legend

Tornadoes

EF0 ef0 EF1 ef1 EF2 ef2    

Hail

<1" hail0 1"+ hail1 2"+ hail2 3"+ hail3 4"+ hail4
T'storm Wind

wind