{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:58.509324", "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": "2011-Jul-01_to_2011-Jul-04_35.5_10.0"}, "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": 2011070001763}, "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": "July 01 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 04 2011"}, "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": 54723.67337833322}, "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": ["Ethiopia", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": []}, "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": 10.0}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 11.0], [33.97, 11.53], [34.32, 11.68], [34.47, 12.03], [35.0, 12.25], [35.5, 12.04], [36.0, 12.25], [36.53, 12.03], [36.75, 11.5], [36.53, 10.97], [36.18, 10.82], [36.15, 10.75], [36.25, 10.5], [36.15, 10.25], [36.25, 10.0], [36.03, 9.47], [35.68, 9.32], [35.53, 8.97], [35.0, 8.75], [34.47, 8.97], [34.25, 9.5], [34.35, 9.75], [34.25, 10.0], [34.35, 10.25], [34.32, 10.32], [33.97, 10.47], [33.75, 11.0]]]]}, "2011-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 11.0], [33.97, 11.53], [34.32, 11.68], [34.47, 12.03], [35.0, 12.25], [35.5, 12.04], [36.0, 12.25], [36.53, 12.03], [36.68, 11.68], [37.03, 11.53], [37.25, 11.0], [37.15, 10.75], [37.25, 10.5], [37.15, 10.25], [37.25, 10.0], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], [36.5, 8.75], [36.25, 8.85], [36.0, 8.75], [35.75, 8.85], [35.5, 8.75], [35.25, 8.85], [35.0, 8.75], [34.47, 8.97], [34.25, 9.5], [34.35, 9.75], [34.25, 10.0], [34.35, 10.25], [34.32, 10.32], [33.97, 10.47], [33.75, 11.0]]]]}, "2011-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 11.0], [33.97, 11.53], [34.32, 11.68], [34.47, 12.03], [35.0, 12.25], [35.5, 12.04], [36.0, 12.25], [36.53, 12.03], [36.68, 11.68], [37.03, 11.53], [37.25, 11.0], [37.15, 10.75], [37.25, 10.5], [37.15, 10.25], [37.25, 10.0], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], [36.5, 8.75], [36.25, 8.85], [36.0, 8.75], [35.75, 8.85], [35.5, 8.75], [35.25, 8.85], [35.0, 8.75], [34.47, 8.97], [34.25, 9.5], [34.35, 9.75], [34.25, 10.0], [34.35, 10.25], [34.32, 10.32], [33.97, 10.47], [33.75, 11.0]]]]}, "2011-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 10.0], [34.47, 10.53], [35.0, 10.75], [35.25, 10.65], [35.32, 10.68], [35.47, 11.03], [35.82, 11.18], [35.97, 11.53], [36.5, 11.75], [37.03, 11.53], [37.25, 11.0], [37.15, 10.75], [37.25, 10.5], [37.15, 10.25], [37.25, 10.0], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], [36.5, 8.75], [36.25, 8.85], [36.0, 8.75], [35.75, 8.85], [35.5, 8.75], [34.97, 8.97], [34.82, 9.32], [34.47, 9.47], [34.25, 10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9692180307825424}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9684732172336712}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.3143356231231, 23.757526882229286, 24.73511261016654, 21.967531658091502]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.005968241417804, 29.801648125145846, 30.66000841827332, 25.44850154705165]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6214022873757075, 1.6631054941461452, 2.715359600217735, 1.520810559277868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1870906356859905, 3.0292278047717787, 3.9692180307825424, 1.9253597299043008]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5229023706782148, 1.6935552629572175, 2.864214422969123, 1.8207809516143143]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2256158804811816, 2.2174340921872964, 3.435466938342872, 2.428409436622359]}}