{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:18.905964", "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": "2023-May-04_to_2023-May-09_134.5_-4.5"}, "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": 2023050001260}, "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": "May 04 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 09 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 52371.75967101447}, "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": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Arafura Sea", "Ceram 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": -4.5}, "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": 134.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.75, -4.5], [133.97, -3.97], [134.5, -3.75], [134.75, -3.85], [135.0, -3.75], [135.53, -3.97], [135.68, -4.32], [136.03, -4.47], [136.25, -5.0], [136.03, -5.53], [135.5, -5.75], [135.25, -5.65], [135.0, -5.75], [134.47, -5.53], [134.32, -5.18], [133.97, -5.03], [133.75, -4.5]]]]}, "2023-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.47, -3.47], [134.0, -3.25], [134.25, -3.35], [134.5, -3.25], [135.03, -3.47], [135.18, -3.82], [135.53, -3.97], [135.68, -4.32], [136.03, -4.47], [136.25, -5.0], [136.03, -5.53], [135.5, -5.75], [135.25, -5.65], [135.0, -5.75], [134.47, -5.53], [134.32, -5.18], [134.25, -5.15], [134.0, -5.25], [133.47, -5.03], [133.25, -4.5], [133.35, -4.25], [133.25, -4.0], [133.47, -3.47]]]]}, "2023-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -3.47], [133.5, -3.25], [133.75, -3.35], [134.0, -3.25], [134.25, -3.35], [134.5, -3.25], [135.03, -3.47], [135.18, -3.82], [135.25, -3.85], [135.5, -3.75], [136.03, -3.97], [136.18, -4.32], [136.25, -4.35], [136.5, -4.25], [136.8, -4.37], [136.97, -3.97], [137.5, -3.75], [138.03, -3.97], [138.25, -4.5], [138.03, -5.03], [137.5, -5.25], [137.2, -5.13], [137.03, -5.53], [136.68, -5.68], [136.53, -6.03], [136.0, -6.25], [135.75, -6.15], [135.5, -6.25], [134.97, -6.03], [134.82, -5.68], [134.75, -5.65], [134.5, -5.75], [133.97, -5.53], [133.82, -5.18], [133.75, -5.15], [133.5, -5.25], [132.97, -5.03], [132.75, -4.5], [132.85, -4.25], [132.75, -4.0], [132.97, -3.47]]]]}, "2023-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -3.47], [133.5, -3.25], [133.75, -3.35], [134.0, -3.25], [134.25, -3.35], [134.5, -3.25], [135.03, -3.47], [135.18, -3.82], [135.25, -3.85], [135.5, -3.75], [136.03, -3.97], [136.18, -4.32], [136.25, -4.35], [136.32, -4.32], [136.47, -3.97], [137.0, -3.75], [137.25, -3.85], [137.5, -3.75], [138.03, -3.97], [138.25, -4.5], [138.03, -5.03], [137.5, -5.25], [137.25, -5.15], [137.18, -5.18], [137.03, -5.53], [136.68, -5.68], [136.53, -6.03], [136.0, -6.25], [135.75, -6.15], [135.5, -6.25], [134.97, -6.03], [134.82, -5.68], [134.75, -5.65], [134.5, -5.75], [133.97, -5.53], [133.82, -5.18], [133.75, -5.15], [133.5, -5.25], [132.97, -5.03], [132.75, -4.5], [132.85, -4.25], [132.75, -4.0], [132.97, -3.47]]]]}, "2023-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -3.47], [133.5, -3.25], [133.75, -3.35], [134.0, -3.25], [134.25, -3.35], [134.5, -3.25], [135.03, -3.47], [135.2, -3.87], [135.5, -3.75], [136.03, -3.97], [136.18, -4.32], [136.25, -4.35], [136.32, -4.32], [136.47, -3.97], [137.0, -3.75], [137.25, -3.85], [137.5, -3.75], [138.03, -3.97], [138.25, -4.5], [138.03, -5.03], [137.5, -5.25], [137.25, -5.15], [137.18, -5.18], [137.03, -5.53], [136.68, -5.68], [136.53, -6.03], [136.0, -6.25], [135.75, -6.15], [135.5, -6.25], [134.97, -6.03], [134.82, -5.68], [134.75, -5.65], [134.5, -5.75], [133.97, -5.53], [133.82, -5.18], [133.75, -5.15], [133.5, -5.25], [132.97, -5.03], [132.75, -4.5], [132.85, -4.25], [132.75, -4.0], [132.97, -3.47]]]]}, "2023-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.47, -5.03], [136.25, -4.5], [136.47, -3.97], [137.0, -3.75], [137.25, -3.85], [137.5, -3.75], [138.03, -3.97], [138.25, -4.5], [138.03, -5.03], [137.5, -5.25], [137.25, -5.15], [137.0, -5.25], [136.47, -5.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6944386840781362}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0225060769081253}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.756850452547383, 27.549990774687956, 27.578136221856425, 27.55815005110162, 27.384817292030903, 25.811021809274337]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.85451722301599, 27.957050584629542, 28.25408996965757, 28.346377876228985, 28.125233669705096, 26.457352400045067]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.855990301676556, 0.8195584955585673, 1.0490983061999124, 1.119363818901905, 0.9584301057374063, 1.5424332901790478]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0051615737573911, 0.9767507195896314, 1.2455478960326332, 1.3814462096976285, 1.1935816100147463, 1.6944386840781362]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6829408782928548, 1.5720704972053843, 1.9612056978808903, 2.0251530927632366, 1.7098758960868674, 1.8831348532731744]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0153158786892242, 1.9534846314827605, 2.3667869874512935, 2.6791488149619447, 2.271553945320791, 2.0728531465693285]}}