{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:27.334376", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2024-Oct-05_to_2024-Oct-08_154.5_-6.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2024100001085}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "October 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 08 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 67427.24461401605}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Solomon Islands"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Pacific Ocean", "Solomon Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -6.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 154.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "154.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 153.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 157.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[152.97, -5.97], [153.5, -5.75], [153.75, -5.85], [154.0, -5.75], [154.25, -5.85], [154.5, -5.75], [154.75, -5.85], [155.0, -5.75], [155.53, -5.97], [155.68, -6.32], [155.75, -6.35], [155.82, -6.32], [155.97, -5.97], [156.5, -5.75], [157.03, -5.97], [157.25, -6.5], [157.13, -6.8], [157.53, -6.97], [157.75, -7.5], [157.65, -7.75], [157.75, -8.0], [157.65, -8.25], [157.75, -8.5], [157.65, -8.75], [157.75, -9.0], [157.53, -9.53], [157.0, -9.75], [156.47, -9.53], [156.32, -9.18], [155.97, -9.03], [155.82, -8.68], [155.5, -8.54], [155.0, -8.75], [154.47, -8.53], [154.32, -8.18], [153.97, -8.03], [153.75, -7.5], [153.85, -7.25], [153.82, -7.18], [153.75, -7.15], [153.5, -7.25], [152.97, -7.03], [152.75, -6.5], [152.97, -5.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.5, -7.25], [152.97, -7.03], [152.75, -6.5], [152.97, -5.97], [153.5, -5.75], [153.75, -5.85], [154.0, -5.75], [154.25, -5.85], [154.5, -5.75], [154.75, -5.85], [155.0, -5.75], [155.53, -5.97], [155.68, -6.32], [155.75, -6.35], [155.82, -6.32], [155.97, -5.97], [156.5, -5.75], [157.03, -5.97], [157.25, -6.5], [157.13, -6.8], [157.53, -6.97], [157.75, -7.5], [157.65, -7.75], [157.75, -8.0], [157.65, -8.25], [157.75, -8.5], [157.65, -8.75], [157.75, -9.0], [157.53, -9.53], [157.0, -9.75], [156.47, -9.53], [156.32, -9.18], [155.97, -9.03], [155.82, -8.68], [155.47, -8.53], [155.32, -8.18], [155.25, -8.15], [155.0, -8.25], [154.47, -8.03], [154.32, -7.68], [153.97, -7.53], [153.82, -7.18], [153.75, -7.15], [153.5, -7.25]]]]}, "2024-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[153.5, -7.25], [152.97, -7.03], [152.75, -6.5], [152.97, -5.97], [153.5, -5.75], [153.75, -5.85], [154.0, -5.75], [154.25, -5.85], [154.5, -5.75], [154.75, -5.85], [155.0, -5.75], [155.53, -5.97], [155.68, -6.32], 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amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7031678809901791}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0139592015665675}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.653243255615223, 28.15218760172536, 27.57849077166935, 27.517666508601337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.04294865926107, 28.608120218912802, 27.920184071858728, 27.78413035074874]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9387454895702433, 1.4138208499926102, 0.8248430973764584, 0.7730262990077938]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2493216489019687, 1.7031678809901791, 0.9954610988058334, 0.9349428401849309]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8381831123217638, 2.7672671943952976, 1.5966983373229007, 1.4310922936582324]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.259663167445569, 3.3106852303066994, 1.912388009384503, 1.6162825396410931]}}