{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:55.205824", "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": "2019-Nov-12_to_2019-Nov-17_186.0_-12.0"}, "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": 2019110001802}, "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": "November 12 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 17 2019"}, "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": 178033.85851638927}, "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": ["Samoa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "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": ["South Pacific Ocean"]}, "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": -12.0}, "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": 186.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "186.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 185.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 192.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-175.03, -12.53], [-175.25, -12.0], [-175.03, -11.47], [-174.5, -11.25], [-174.25, -11.35], [-174.0, -11.25], [-173.75, -11.35], [-173.68, -11.32], [-173.53, -10.97], [-173.0, -10.75], [-172.75, -10.85], [-172.5, -10.75], [-172.25, -10.85], [-172.0, -10.75], [-171.75, -10.85], [-171.5, -10.75], [-171.25, -10.85], [-171.0, -10.75], [-170.75, -10.85], [-170.5, -10.75], [-170.25, -10.85], [-170.0, -10.75], [-169.75, -10.85], [-169.5, -10.75], [-168.97, -10.97], [-168.82, -11.32], [-168.75, -11.35], [-168.5, -11.25], [-168.25, -11.35], [-168.0, -11.25], [-167.47, -11.47], [-167.32, -11.82], [-166.97, -11.97], [-166.75, -12.5], [-166.85, -12.75], [-166.75, -13.0], [-166.85, -13.25], [-166.75, -13.5], [-166.97, -14.03], [-167.5, -14.25], [-168.03, -14.03], [-168.18, -13.68], [-168.25, -13.65], [-168.32, -13.68], [-168.47, -14.03], [-169.0, -14.25], [-169.5, -14.04], [-170.0, -14.25], [-170.53, -14.03], [-170.68, -13.68], [-171.03, -13.53], [-171.18, -13.18], [-171.25, -13.15], [-171.5, -13.25], [-172.03, -13.03], [-172.18, -12.68], [-172.25, -12.65], [-172.5, -12.75], [-172.75, -12.65], [-173.0, -12.75], [-173.25, -12.65], [-173.5, -12.75], [-173.75, -12.65], [-174.0, -12.75], [-174.25, -12.65], [-174.5, -12.75], [-175.03, -12.53]]]]}, "2019-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-175.03, -12.53], [-175.25, -12.0], [-175.03, -11.47], [-174.5, -11.25], [-174.25, -11.35], [-174.0, -11.25], [-173.75, -11.35], [-173.68, -11.32], [-173.53, -10.97], [-173.0, -10.75], [-172.75, -10.85], [-172.5, -10.75], [-172.25, -10.85], [-172.0, -10.75], [-171.75, -10.85], [-171.5, -10.75], [-171.25, -10.85], [-171.0, -10.75], [-170.75, -10.85], [-170.5, -10.75], [-170.25, -10.85], [-170.0, -10.75], [-169.75, -10.85], [-169.5, -10.75], [-168.97, -10.97], [-168.82, -11.32], [-168.75, -11.35], [-168.5, -11.25], [-168.25, -11.35], [-168.0, -11.25], [-167.47, -11.47], [-167.32, -11.82], [-166.97, -11.97], [-166.75, -12.5], [-166.85, -12.75], [-166.75, -13.0], [-166.85, -13.25], [-166.75, -13.5], [-166.97, -14.03], [-167.5, -14.25], [-168.03, -14.03], [-168.18, -13.68], [-168.25, -13.65], [-168.32, -13.68], [-168.47, -14.03], [-169.0, -14.25], [-169.5, -14.04], [-170.0, -14.25], [-170.25, -14.15], [-170.5, -14.25], [-170.75, -14.15], [-171.0, -14.25], [-171.25, -14.15], [-171.5, -14.25], [-171.75, -14.15], [-172.0, -14.25], [-172.53, -14.03], [-172.68, -13.68], [-172.75, -13.65], [-173.0, -13.75], [-173.25, -13.65], [-173.5, -13.75], [-174.03, -13.53], [-174.25, -13.0], [-174.15, -12.75], [-174.18, -12.68], [-174.25, -12.65], [-174.5, -12.75], [-175.03, -12.53]]]]}, "2019-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-175.03, -11.47], [-174.5, -11.25], [-174.25, -11.35], [-174.0, -11.25], [-173.75, -11.35], [-173.68, -11.32], [-173.53, -10.97], [-173.0, -10.75], [-172.75, -10.85], [-172.5, -10.75], [-172.25, -10.85], [-172.0, -10.75], [-171.75, -10.85], [-171.5, -10.75], [-171.25, -10.85], [-171.0, -10.75], [-170.75, -10.85], [-170.5, -10.75], [-170.25, -10.85], [-170.0, -10.75], [-169.75, -10.85], [-169.5, -10.75], [-168.97, -10.97], [-168.82, -11.32], [-168.75, -11.35], [-168.5, -11.25], [-168.25, -11.35], [-168.0, -11.25], [-167.47, -11.47], [-167.32, -11.82], [-166.97, -11.97], [-166.75, -12.5], [-166.85, -12.75], [-166.75, -13.0], [-166.85, -13.25], [-166.75, -13.5], [-166.97, -14.03], [-167.5, -14.25], [-168.03, -14.03], [-168.18, -13.68], [-168.25, -13.65], [-168.32, -13.68], [-168.47, -14.03], [-169.0, -14.25], [-169.5, -14.04], [-170.0, -14.25], [-170.25, -14.15], [-170.5, -14.25], [-170.75, -14.15], [-171.0, -14.25], [-171.25, -14.15], [-171.5, -14.25], [-171.75, -14.15], [-172.0, -14.25], [-172.25, -14.15], [-172.5, -14.25], [-172.75, -14.15], [-173.0, -14.25], [-173.53, -14.03], [-173.68, -13.68], [-174.03, -13.53], [-174.18, -13.18], [-174.25, -13.15], [-174.5, -13.25], [-175.03, -13.03], [-175.25, -12.5], [-175.15, -12.25], [-175.25, -12.0], [-175.03, -11.47]]]]}, "2019-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-174.0, -11.25], [-173.75, -11.35], [-173.5, -11.25], [-173.25, -11.35], [-173.0, -11.25], [-172.75, -11.35], [-172.5, -11.25], [-172.25, -11.35], [-172.0, -11.25], [-171.75, -11.35], [-171.5, -11.25], [-171.25, -11.35], [-171.0, -11.25], [-170.75, -11.35], [-170.5, -11.25], [-170.25, -11.35], [-170.0, -11.25], [-169.47, -11.47], [-169.32, -11.82], [-169.25, -11.85], [-169.0, -11.75], [-168.47, -11.97], [-168.32, -12.32], [-167.97, -12.47], [-167.75, -13.0], [-167.97, -13.53], [-168.5, -13.75], [-168.75, -13.65], [-169.0, -13.75], [-169.25, -13.65], [-169.32, -13.68], [-169.47, -14.03], [-170.0, -14.25], [-170.25, -14.15], [-170.5, -14.25], [-170.75, -14.15], [-171.0, -14.25], [-171.25, -14.15], [-171.5, -14.25], [-171.75, -14.15], [-172.0, -14.25], [-172.25, -14.15], [-172.5, -14.25], [-172.75, -14.15], [-173.0, -14.25], [-173.53, -14.03], [-173.68, -13.68], [-174.03, -13.53], [-174.18, -13.18], [-174.25, -13.15], [-174.5, -13.25], [-175.03, -13.03], [-175.25, -12.5], [-175.03, -11.97], [-174.68, -11.82], [-174.53, -11.47], [-174.0, -11.25]]]]}, "2019-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-174.0, -11.25], [-173.47, -11.47], [-173.32, -11.82], [-172.97, -11.97], [-172.82, -12.32], [-172.75, -12.35], [-172.5, -12.25], [-171.97, -12.47], [-171.82, -12.82], [-171.47, -12.97], [-171.25, -13.5], [-171.47, -14.03], [-172.0, -14.25], [-172.25, -14.15], [-172.5, -14.25], [-172.75, -14.15], [-173.0, -14.25], [-173.53, -14.03], [-173.68, -13.68], [-174.03, -13.53], [-174.18, -13.18], [-174.25, -13.15], [-174.5, -13.25], [-175.03, -13.03], [-175.25, -12.5], [-175.03, -11.97], [-174.68, -11.82], [-174.53, -11.47], [-174.0, -11.25]]]]}, "2019-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-173.75, -13.0], [-173.53, -12.47], [-173.0, -12.25], [-172.75, -12.35], [-172.5, -12.25], [-171.97, -12.47], [-171.82, -12.82], [-171.47, -12.97], [-171.25, -13.5], [-171.47, -14.03], [-172.0, -14.25], [-172.25, -14.15], [-172.5, -14.25], [-173.03, -14.03], [-173.18, -13.68], [-173.53, -13.53], [-173.75, -13.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.532953399381256}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0990760460505915}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.986248912782116, 28.219415575849723, 28.131230265751526, 28.04687561720084, 27.773885443632707, 27.289887124277357]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.173622066784617, 28.576038502718234, 28.604170186656745, 28.376068586866097, 28.19362540863716, 28.09106859247288]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.997624309151561, 1.2097360193187725, 1.1321990513966966, 1.0711548528786818, 0.9274606575937241, 0.8300874925414092]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.282577452069006, 1.532953399381256, 1.4886882604192806, 1.283070250158687, 1.112588528004835, 0.9936345396185402]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5862517556749853, 1.9865981791343412, 1.8815683773822822, 1.8409891085765195, 1.6464259895872537, 1.4611763646183524]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2214630661172117, 2.4093377487243313, 2.4149994534226766, 2.212100839285932, 1.93924227973835, 1.6753920559523325]}}