Skip Navigation Links 
NOAA logo - Click to go to the NOAA home page National Weather Service   NWS logo - Click to go to the NWS home page
Climate Prediction Center

HOME > Monitoring and Data > Monitoring Weather & Climate > Blocking > Definition (Southern Hemsiphere)

Blocking in the Southern Hemisphere typically occurs at lower latitudes when compared with the Northern Hemisphere. The index follows Tibaldi et al. (1994).


Tibaldi, S., E. Tosi, A. Navarra, and L. Pedulli, 1994: Northern and Southern Hemisphere seasonal variability of blocking frequency and predictability. Monthly Weather Review , 122, 1971-2003.

Blocking Index Definition for Southern Hemisphere

NOAA/ National Weather Service
NOAA Center for Weather and Climate Prediction
Climate Prediction Center
5830 University Research Court
College Park, Maryland 20740
Page Author: Climate Prediction Center Internet Team
Page last modified: January 3, 2006
Information Quality
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities