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  • Time Period of the Dataset [?]: November 01, 2023-November 30, 2023 ... More
    Modified [?]: 5 February 2024
    Dataset Added on HDX [?]: 28 December 2023
    This data is by request only
    REACH_SOM_Clean-dataset-BeletWeyne_RNA-Flooding_November-2023.xlsx
  • 70+ Downloads
    Time Period of the Dataset [?]: November 01, 2023-November 30, 2023 ... More
    Modified [?]: 28 December 2023
    Dataset Added on HDX [?]: 28 December 2023
    This dataset updates: Never
    REACH_SOM_Clean-dataset-Baardheere_RNA-Flooding_November-2023.xlsx
  • 1300+ Downloads
    Time Period of the Dataset [?]: January 01, 1950-September 30, 2017 ... More
    Modified [?]: 9 October 2017
    Dataset Added on HDX [?]: 8 December 2015
    This dataset updates: Every month
    The Oceanic Niño Index (ONI) has become the de facto standard that the National Oceanic and Atmospheric Administration (NOAA) uses to identify El Niño (warm) and La Niña (cool) events in the tropical Pacific. It is the three month mean SST anomaly for the El Niño 3.4 region (i.e., 5°N-5°S, 120°-170°W). Events are defined as five consecutive overlapping three month periods at or above the +0.5°C anomaly for warm (El Niño), events and at or below the -0.5 anomaly for cold (La Niña) events. The threshold is further broken down into Weak (with a 0.5 to 0.9 SST anomaly), Moderate (1.0 to 1.4) and Strong (≥ 1.5) events. For an event to be categorized as weak, moderate or strong. it must have equalled or exceeded the threshold for at least three consecutive overlapping three month periods.