Category: Global Precipitation Summaries

Figure 4. GRACE-based drought analysis for early June 2025 (https://nasagrace.unl.edu/)

Global Precipitation Summary for May 2025

June 16, 2025

Download Headlines: The summer South Asian monsoon gets a strong early start, with associated floods in Mumbai ENSO nears a very near neutral SST index,

Figure 2. Correlations between anomaly patterns of individual months (40oN-40oS) and El Nino and La Nina composites during May 2024-April 2025. Also shown is Nino 3.4.

Global Precipitation Summary for April 2025

May 20, 2025

Download Headlines The La Nina weakened in April in terms of the global rainfall anomaly pattern A double ITCZ is visible across the entire Pacific

Figure 2. Correlations between anomaly patterns of individual months (40oN-40oS) and El Nino and La Nina composites during April 2024 -March 2025. Also shown is Nino 3.4.

Global Precipitation Summary for March 2025

April 9, 2025

Download Headlines: The ongoing La Nina weakens in March in terms of Pacific SST anomalies, but the La Nina tropical rainfall anomaly pattern remains in

Figure 2. Correlations between anomaly patterns of individual months (40oN-40oS) and El Nino and La Nina composites during March 2024 -February 2025.

Global Precipitation Summary for February 2025

March 10, 2025

Download Headlines The global La Nina precipitation anomaly pattern stays strong, lagging the weakening SST evolution during February Tropical cyclones and their rainfall patterns

Figure 2. Correlations between anomaly patterns of individual months (40oN-40oS) and El Nino and La Nina composites during February 2024 -January 2025.

Global Precipitation Summary for January 2025

February 13, 2025

Download Headlines: The La Nina rainfall anomaly pattern from the Indian Ocean to the central Pacific remains strong Extension of the alternating La Nina

Review of Global Precipitation for 2024

January 16, 2025

Download Headlines: Record-setting global surface temperature associated with record (or near record) global precipitation amount, despite absence of major El Nino El Nino to weak

Global Precipitation Summary for December 2024

January 10, 2025

Download Headlines: The La Nina rainfall anomaly pattern strengthens across tropics from Indian Ocean to Americas Drought in southwest U.S. and Mexico with wildfires

Global Precipitation Summary for November 2024

December 13, 2024

Download Headlines La Nina rainfall anomaly pattern evident across tropics from Indian Ocean to Americas Floods and landslides across Maritime Continent, Philippines, Sri Lanka

Global Precipitation Summary for October 2024

November 13, 2024

Download Headlines North America overwhelmingly dry, except for southern Rocky Mountains and Florida La Nina rainfall anomaly pattern evident in the Western Pacific along

Global Precipitation Summary for September 2024

October 21, 2024

Download Headlines La Nina pattern of tropical anomalies not obvious, although the Nino 3.4 index was -0.4 at the end of September Dry conditions