National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Collin County Tornado Climatology Page
1880-Present

 
Click here to return to the North & Central TX Tornado Climatology mainpage
 

 

Click map for larger image

 

Collin County Graphical Tornado Data

 

Tornadoes in Collin Co. by Year


Click image for larger figure

 

Tornadoes in Collin Co.
by Rating


Click image for larger figure

Tornadoes in Collin Co.
by Intensity


Click image for larger figure

 

 

Tornadoes in Collin Co.
by Month


Click image for larger figure

Tornadoes in Collin Co.
by Time of Day


Click image for larger figure