{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:46.606320", "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": "2018-May-03_to_2018-May-06_111.0_-3.5"}, "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": 2018050001551}, "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 03 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 06 2018"}, "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": 144983.11519453206}, "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": ["Java Sea", "South China 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": -3.5}, "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": 111.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 114.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.47, -2.97], [108.82, -2.82], [108.97, -2.47], [109.5, -2.25], [109.75, -2.35], [110.0, -2.25], [110.53, -2.47], [110.68, -2.82], [110.75, -2.85], [111.0, -2.75], [111.25, -2.85], [111.5, -2.75], [112.0, -2.96], [112.5, -2.75], [113.03, -2.97], [113.18, -3.32], [113.53, -3.47], [113.75, -4.0], [113.53, -4.53], [113.0, -4.75], [112.75, -4.65], [112.5, -4.75], [112.25, -4.65], [112.0, -4.75], [111.75, -4.65], [111.5, -4.75], [111.25, -4.65], [111.0, -4.75], [110.75, -4.65], [110.5, -4.75], [110.25, -4.65], [110.0, -4.75], [109.75, -4.65], [109.5, -4.75], [109.25, -4.65], [109.0, -4.75], [108.47, -4.53], [108.25, -4.0], [108.35, -3.75], [108.25, -3.5], [108.47, -2.97]]]]}, "2018-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.85, -3.25], [107.75, -3.0], [107.85, -2.75], [107.75, -2.5], [107.97, -1.97], [108.32, -1.82], [108.47, -1.47], [109.0, -1.25], [109.3, -1.37], [109.47, -0.97], [110.0, -0.75], [110.53, -0.97], [110.75, -1.5], [110.65, -1.75], [110.75, -2.0], [110.65, -2.25], [110.68, -2.32], [110.75, -2.35], [111.0, -2.25], [111.25, -2.35], [111.5, -2.25], [112.03, -2.47], [112.18, -2.82], [112.25, -2.85], [112.5, -2.75], [112.75, -2.85], [113.0, -2.75], [113.25, -2.85], [113.5, -2.75], [114.03, -2.97], [114.18, -3.32], [114.53, -3.47], [114.75, -4.0], [114.53, -4.53], [114.0, -4.75], [113.75, -4.65], [113.68, -4.68], [113.53, -5.03], [113.0, -5.25], [112.75, -5.15], [112.5, -5.25], [112.25, -5.15], [112.0, -5.25], [111.75, -5.15], [111.5, -5.25], [111.25, -5.15], [111.18, -5.18], [111.03, -5.53], [110.5, -5.75], [109.97, -5.53], [109.82, -5.18], [109.75, -5.15], [109.5, -5.25], [109.25, -5.15], [109.0, -5.25], [108.47, -5.03], [108.32, -4.68], [107.97, -4.53], [107.75, -4.0], [107.85, -3.75], [107.75, -3.5], [107.85, -3.25]]]]}, "2018-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.85, -3.25], [107.75, -3.0], [107.85, -2.75], [107.75, -2.5], [107.97, -1.97], [108.32, -1.82], [108.47, -1.47], [109.0, -1.25], [109.3, -1.37], [109.47, -0.97], [110.0, -0.75], [110.53, -0.97], [110.75, -1.5], [110.65, -1.75], [110.75, -2.0], [110.65, -2.25], [110.68, -2.32], [110.75, -2.35], [111.0, -2.25], [111.25, -2.35], [111.5, -2.25], [112.03, -2.47], [112.18, -2.82], [112.25, -2.85], [112.5, -2.75], [112.75, -2.85], [113.0, -2.75], [113.25, -2.85], [113.5, -2.75], [114.03, -2.97], [114.18, -3.32], [114.53, -3.47], [114.75, -4.0], [114.53, -4.53], [114.0, -4.75], [113.75, -4.65], [113.68, -4.68], [113.53, -5.03], [113.0, -5.25], [112.75, -5.15], [112.5, -5.25], [112.25, -5.15], [112.0, -5.25], [111.75, -5.15], [111.5, -5.25], [111.25, -5.15], [111.18, -5.18], [111.03, -5.53], [110.5, -5.75], [109.97, -5.53], [109.82, -5.18], [109.75, -5.15], [109.5, -5.25], [109.25, -5.15], [109.0, -5.25], [108.47, -5.03], [108.32, -4.68], [107.97, -4.53], [107.75, -4.0], [107.85, -3.75], [107.75, -3.5], [107.85, -3.25]]]]}, "2018-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.85, -3.25], [107.75, -3.0], [107.85, -2.75], [107.75, -2.5], [107.97, -1.97], [108.32, -1.82], [108.47, -1.47], [109.0, -1.25], [109.3, -1.37], [109.47, -0.97], [110.0, -0.75], [110.53, -0.97], [110.75, -1.5], [110.65, -1.75], [110.75, -2.0], [110.65, -2.25], [110.68, -2.32], [110.75, -2.35], [111.0, -2.25], [111.25, -2.35], [111.5, -2.25], [112.03, -2.47], [112.18, -2.82], [112.25, -2.85], [112.5, -2.75], [112.75, -2.85], [113.0, -2.75], [113.25, -2.85], [113.5, -2.75], [114.03, -2.97], [114.18, -3.32], [114.53, -3.47], [114.75, -4.0], [114.53, -4.53], [114.0, -4.75], [113.75, -4.65], [113.68, -4.68], [113.53, -5.03], [113.0, -5.25], [112.75, -5.15], [112.5, -5.25], [112.25, -5.15], [112.0, -5.25], [111.75, -5.15], [111.5, -5.25], [111.25, -5.15], [111.18, -5.18], [111.03, -5.53], [110.5, -5.75], [109.97, -5.53], [109.82, -5.18], [109.75, -5.15], [109.5, -5.25], [109.25, -5.15], [109.0, -5.25], [108.47, -5.03], [108.32, -4.68], [107.97, -4.53], [107.75, -4.0], [107.85, -3.75], [107.75, -3.5], [107.85, -3.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.564043297623357}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.061369472757925}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.61211552673319, 28.680115819312448, 28.78856547166987, 28.772867554956804]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.70684081049791, 28.826763177225757, 28.961725052847214, 29.24204260081251]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9078220033077665, 1.0218683636562746, 1.1223808431629074, 1.098664625286569]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9765876353532121, 1.1793099064918806, 1.3125772247546479, 1.564043297623357]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5379244373973673, 1.6903562795464562, 1.8347052858583914, 1.7366049576527902]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.713141536732171, 2.0105068841112046, 2.1144202455761407, 2.3007338686996524]}}