IMERGdaily30_cbar_v06_2024-03-28_1412_2048p30.mp4
Summary: An animation showing global precipitation climatology (mm/day) throughout the year, highlighting seasonal shifts in rainfall patterns, particularly the Intertropical Convergence Zone.
This video presents a global animation of precipitation climatology, illustrating the average daily precipitation in millimeters across the Earth's surface. The visualization uses a vivid color scale, where light blue indicates less than 4 mm/day and red represents 24 mm/day or more. A prominent yellow and orange band signifies areas of heavy rainfall, predominantly along the equator and in tropical regions. The animation progresses through the calendar year, starting from January 11 and ending on December 26, clearly depicting the seasonal migration of the Intertropical Convergence Zone (ITCZ) and associated wet and dry seasons across continents and oceans. Key changes include the northward shift of rainfall into the Northern Hemisphere tropics during boreal summer (June-August) and its southward shift into the Southern Hemisphere tropics during austral summer (December-February).
Playback guide
1. timestamp: 00:00 label: January 11: Equatorial precipitation visible across South America, Africa, and Southeast Asia. 2. timestamp: 00:01 label: February 02: Strong equatorial rain band persists. 3. timestamp: 00:02 label: February 24: Precipitation continues to be concentrated around the equator. 4. timestamp: 00:03 label: March 16: Equatorial rainfall remains prominent. 5. timestamp: 00:04 label: April 07: Slight northward shift of the intense rain band begins. 6. timestamp: 00:05 label: April 29: Northward movement of the ITCZ becomes more evident. 7. timestamp: 00:06 label: May 21: Significant northward shift of rainfall, particularly over Central America and Africa. 8. timestamp: 00:07 label: June 12: ITCZ moves further north, impacting regions in the Northern Hemisphere tropics. 9. timestamp: 00:08 label: July 04: Northernmost extent of the ITCZ in some regions, strong monsoon rains in Asia. 10. timestamp: 00:09 label: July 26: Continued heavy precipitation in the Northern Hemisphere tropics. 11. timestamp: 00:10 label: August 17: ITCZ reaches its peak northern position. 12. timestamp: 00:11 label: September 08: ITCZ begins to shift southward. 13. timestamp: 00:12 label: September 30: Continued southward migration of the ITCZ. 14. timestamp: 00:13 label: October 21: ITCZ moving back towards the equator, increased rainfall in South America. 15. timestamp: 00:14 label: November 12: Significant southward shift of the ITCZ into the Southern Hemisphere tropics. 16. timestamp: 00:15 label: December 04: ITCZ firmly south of the equator, bringing heavy rains to central South America, southern Africa, and northern Australia/Indonesia. 17. timestamp: 00:16 label: December 26: Southern Hemisphere summer rainfall patterns continue.