Principle: Drought counterbalanced by wet weather in other areas

The principle that drought is "counterbalanced by wet weather in other areas" reflects an observation about the large-scale variability and redistribution of precipitation within climate systems, but it is not a physical law or universally reliable climate principle. It’s based on the idea that, because Earth’s total precipitation is relatively stable over short periods, deficits in one region may be accompanied by excesses elsewhere. However, the reality is more nuanced:

• Evidence from Reports: Official climate monitoring often notes that very dry conditions in some states or regions can be partly offset by near-normal or wet conditions in others within the same temporal snapshot. For example, in periodic U.S. and Canadian climate assessments, it's common to see statements such as “dry conditions in part of the states were counterbalanced by near normal to wet conditions in other parts”.ncei.noaa+1

• Hydrological Balancing: The global water cycle remains constant over time, with evaporation roughly equal to precipitation, but the spatial and temporal distribution can be highly variable. This means some areas will experience drought while others get more rainfall than average.marine-ed+1

• Climate Extremes Are Increasingly Decoupled: Climate change is disrupting traditional precipitation patterns, leading to more frequent and severe extremes that may not be neatly balanced out. For example, one region might experience an extreme drought while a nearby area gets flooding rains, influenced by large-scale atmospheric patterns, oceanic cycles (like El Niño/La Niña), or shifting jet streams.ipcc+3

• Examples in Practice: In recent years, Alberta and the Canadian Prairies have seen years where drought in one part of the basin is only partially offset by wet conditions in others, requiring active water management to adjust for spatial imbalances rather than relying on natural counterbalance. Similarly, studies of the 2022 European drought found that abundant rainfall in southern areas could avert drought locally, even as broad regions remained in severe deficit.open.alberta+2

Key Considerations

• The "counterbalance" is a statistical tendency over large areas and time scales—not a guarantee for any single event or locality.

• Drought in a region often means local water stress, even if global or continental precipitation totals remain steady.

• Land management and hydrological planning should focus on local variability, not a presumed automatic balancing effect elsewhere.

In Summary

While wet weather sometimes offsets drought on larger geographic or temporal scales, this is not a reliable or causal law—it is an emergent feature of Earth’s variable water cycle, subject to change with shifting atmospheric, oceanic, and terrestrial dynamics. Climate change is making the spatial and temporal balance between drought and wet conditions less predictable and more extreme, requiring more sophisticated management and monitoring rather than reliance on natural counterbalance.scied.ucar+2

1. https://www.ncei.noaa.gov/access/monitoring/monthly-report/drought/202409
2. https://open.alberta.ca/dataset/cee3d571-9d0f-4b8c-a71f-2c2b1f4616f9/resource/4200f0af-4077-4740-a546-5f085d6a0ad1/download/aenv-canadian-prairie-drought-a-climatological-assessment-6673.pdf
3. https://www.marine-ed.org/ocean-literacy/principle-3
4. https://scied.ucar.edu/learning-zone/climate-change-impacts/water-cycle-climate-change
5. https://www.ipcc.ch/report/ar6/wg1/chapter/chapter-11/
6. https://www.sciencedirect.com/science/article/pii/S0048969722045788
7. https://www.nature.com/articles/s41561-024-01559-2
8. https://www.ipcc.ch/srccl/chapter/chapter-2/
9. https://globalnews.ca/news/10479241/calgary-monitoring-rainfall-drought-flood/
10. https://www.sciencedirect.com/science/article/abs/pii/S016819232300521X
11. https://changingclimate.ca/CCCR2019/chapter/6-0/
12. https://www.sciencedirect.com/science/article/abs/pii/S002216942300848X
13. https://annforsci.biomedcentral.com/articles/10.1007/s13595-015-0522-5
14. https://www.frontiersin.org/journals/climate/articles/10.3389/fclim.2021.716568/full
15. https://www.droughtmanagement.info/literature/GWP_Handbook_of_Drought_Indicators_and_Indices_2016.pdf
16. https://www.sciencedirect.com/science/article/pii/S0341816223004691
17. https://www.nature.com/articles/s41598-024-72183-8
18. https://www.sciencedirect.com/science/article/pii/S1470160X21008116
19. https://www.sciencedirect.com/science/article/pii/S0048969723051963