{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:58.231469", "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": "2013-Mar-28_to_2013-Apr-06_40.0_19.5"}, "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": 2013030002549}, "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": "March 28 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 06 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 229864.1028422233}, "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": ["Eritrea", "Saudi Arabia", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": ["Red 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": 19.5}, "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": 40.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 42.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.75, 20.0], [38.97, 20.53], [39.5, 20.75], [40.03, 20.53], [40.18, 20.18], [40.25, 20.15], [40.5, 20.25], [41.03, 20.03], [41.25, 19.5], [41.03, 18.97], [40.5, 18.75], [40.25, 18.85], [40.0, 18.75], [39.47, 18.97], [39.32, 19.32], [38.97, 19.47], [38.75, 20.0]]]]}, "2013-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.97, 20.53], [38.32, 20.68], [38.47, 21.03], [39.0, 21.25], [39.25, 21.15], [39.5, 21.25], [40.03, 21.03], [40.25, 20.5], [40.15, 20.25], [40.18, 20.18], [40.25, 20.15], [40.5, 20.25], [41.03, 20.03], [41.25, 19.5], [41.03, 18.97], [40.5, 18.75], [40.25, 18.85], [40.0, 18.75], [39.47, 18.97], [39.32, 19.32], [39.25, 19.35], [39.18, 19.32], [39.03, 18.97], [38.5, 18.75], [37.97, 18.97], [37.75, 19.5], [37.85, 19.75], [37.75, 20.0], [37.97, 20.53]]]]}, "2013-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.85, 19.75], [36.75, 20.0], [36.85, 20.25], [36.75, 20.5], [36.97, 21.03], [37.32, 21.18], [37.35, 21.25], [37.25, 21.5], [37.47, 22.03], [37.82, 22.18], [37.85, 22.25], [37.75, 22.5], [37.85, 22.75], [37.82, 22.82], [37.47, 22.97], [37.25, 23.5], [37.47, 24.03], [38.0, 24.25], [38.53, 24.03], [38.68, 23.68], [39.03, 23.53], [39.18, 23.18], [39.53, 23.03], [39.75, 22.5], [39.54, 22.0], [39.75, 21.5], [39.65, 21.25], [39.68, 21.18], [40.03, 21.03], [40.25, 20.5], [40.15, 20.25], [40.18, 20.18], [40.25, 20.15], [40.5, 20.25], [41.03, 20.03], [41.25, 19.5], [41.04, 19.0], [41.25, 18.5], [41.03, 17.97], [40.5, 17.75], [39.97, 17.97], [39.82, 18.32], [39.75, 18.35], [39.5, 18.25], [39.25, 18.35], [39.0, 18.25], [38.75, 18.35], [38.5, 18.25], [38.25, 18.35], [38.0, 18.25], [37.75, 18.35], [37.5, 18.25], [36.97, 18.47], [36.75, 19.0], [36.85, 19.25], [36.75, 19.5], [36.85, 19.75]]]]}, "2013-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, 20.25], [36.25, 20.5], [36.35, 20.75], [36.25, 21.0], [36.35, 21.25], [36.25, 21.5], [36.35, 21.75], [36.25, 22.0], [36.47, 22.53], [37.0, 22.75], [37.43, 22.57], [37.32, 22.82], [36.97, 22.97], [36.75, 23.5], [36.85, 23.75], [36.75, 24.0], [36.85, 24.25], [36.75, 24.5], [36.97, 25.03], [37.5, 25.25], [38.03, 25.03], [38.18, 24.68], [38.53, 24.53], [38.75, 24.0], [38.65, 23.75], [38.68, 23.68], [39.03, 23.53], [39.18, 23.18], [39.53, 23.03], [39.75, 22.5], [39.54, 22.0], [39.75, 21.5], [39.65, 21.25], [39.68, 21.18], [40.03, 21.03], [40.18, 20.68], [40.53, 20.53], [40.68, 20.18], [41.03, 20.03], [41.25, 19.5], [41.15, 19.25], [41.25, 19.0], [41.15, 18.75], [41.25, 18.5], [41.03, 17.97], [40.5, 17.75], [40.25, 17.85], [40.0, 17.75], [39.47, 17.97], [39.32, 18.32], [39.25, 18.35], [39.0, 18.25], [38.75, 18.35], [38.5, 18.25], [38.25, 18.35], [38.0, 18.25], [37.75, 18.35], [37.5, 18.25], [36.97, 18.47], [36.82, 18.82], [36.47, 18.97], [36.25, 19.5], [36.35, 19.75], [36.25, 20.0], [36.35, 20.25]], [[37.82, 22.18], [37.85, 22.25], [37.82, 22.32], [37.57, 22.43], [37.68, 22.18], [37.75, 22.15], [37.82, 22.18]]]]}, "2013-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, 19.75], [36.25, 20.0], [36.35, 20.25], [36.25, 20.5], [36.35, 20.75], [36.25, 21.0], [36.35, 21.25], [36.25, 21.5], [36.35, 21.75], [36.25, 22.0], [36.47, 22.53], [37.0, 22.75], [37.43, 22.57], [37.32, 22.82], [36.97, 22.97], [36.75, 23.5], [36.85, 23.75], [36.75, 24.0], [36.85, 24.25], [36.75, 24.5], [36.97, 25.03], [37.5, 25.25], [38.03, 25.03], [38.18, 24.68], [38.53, 24.53], [38.75, 24.0], [38.65, 23.75], [38.68, 23.68], [39.03, 23.53], [39.18, 23.18], [39.53, 23.03], [39.75, 22.5], [39.54, 22.0], [39.75, 21.5], [39.65, 21.25], [39.68, 21.18], [40.03, 21.03], [40.18, 20.68], [40.53, 20.53], [40.68, 20.18], [41.03, 20.03], [41.25, 19.5], [41.15, 19.25], [41.25, 19.0], [41.15, 18.75], [41.25, 18.5], [41.03, 17.97], [40.5, 17.75], [40.25, 17.85], [40.0, 17.75], [39.75, 17.85], [39.5, 17.75], [39.25, 17.85], [39.0, 17.75], [38.75, 17.85], [38.5, 17.75], [38.25, 17.85], [38.0, 17.75], [37.75, 17.85], [37.5, 17.75], [36.97, 17.97], [36.82, 18.32], [36.47, 18.47], [36.25, 19.0], [36.35, 19.25], [36.25, 19.5], [36.35, 19.75]], [[37.75, 22.15], [37.82, 22.18], [37.85, 22.25], [37.82, 22.32], [37.57, 22.43], [37.68, 22.18], [37.75, 22.15]]]]}, "2013-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.63, 16.7], [40.03, 16.53], [40.25, 16.0], [40.03, 15.47], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.88, 16.3], [38.47, 16.47], [38.25, 17.0], [38.47, 17.53], [39.0, 17.75], [39.53, 17.53], [39.75, 17.0], [39.63, 16.7]]], [[[36.25, 20.0], [36.35, 20.25], [36.25, 20.5], [36.35, 20.75], [36.25, 21.0], [36.35, 21.25], [36.25, 21.5], [36.35, 21.75], [36.25, 22.0], [36.47, 22.53], [37.0, 22.75], [37.43, 22.57], [37.32, 22.82], [36.97, 22.97], [36.75, 23.5], [36.85, 23.75], [36.75, 24.0], [36.85, 24.25], [36.75, 24.5], [36.97, 25.03], [37.5, 25.25], [38.03, 25.03], [38.18, 24.68], [38.53, 24.53], [38.75, 24.0], [38.65, 23.75], [38.68, 23.68], [39.03, 23.53], [39.25, 23.0], [39.15, 22.75], [39.25, 22.5], [39.15, 22.25], [39.25, 22.0], [39.13, 21.7], [39.53, 21.53], [39.75, 21.0], [39.65, 20.75], [39.68, 20.68], [39.75, 20.65], [40.0, 20.75], [40.53, 20.53], [40.68, 20.18], [41.03, 20.03], [41.25, 19.5], [41.15, 19.25], [41.25, 19.0], [41.03, 18.47], [40.68, 18.32], [40.53, 17.97], [40.0, 17.75], [39.75, 17.85], [39.5, 17.75], [39.25, 17.85], [39.0, 17.75], [38.75, 17.85], [38.5, 17.75], [38.25, 17.85], [38.18, 17.82], [38.03, 17.47], [37.5, 17.25], [36.97, 17.47], [36.75, 18.0], [36.85, 18.25], [36.82, 18.32], [36.47, 18.47], [36.25, 19.0], [36.35, 19.25], [36.25, 19.5], [36.35, 19.75], [36.25, 20.0]], [[37.82, 22.18], [37.85, 22.25], [37.82, 22.32], [37.57, 22.43], [37.68, 22.18], [37.75, 22.15], [37.82, 22.18]]]]}, "2013-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.82, 20.18], [36.85, 20.25], [36.75, 20.5], [36.85, 20.75], [36.75, 21.0], [36.85, 21.25], [36.75, 21.5], [36.97, 22.03], [37.5, 22.25], [38.03, 22.03], [38.25, 21.5], [38.15, 21.25], [38.18, 21.18], [38.53, 21.03], [38.68, 20.68], [38.75, 20.65], [39.0, 20.75], [39.25, 20.65], [39.5, 20.75], [40.03, 20.53], [40.18, 20.18], [40.53, 20.03], [40.68, 19.68], [40.75, 19.65], [41.0, 19.75], [41.53, 19.53], [41.75, 19.0], [41.65, 18.75], [41.75, 18.5], [41.65, 18.25], [41.68, 18.18], [41.75, 18.15], [42.0, 18.25], [42.53, 18.03], [42.68, 17.68], [43.03, 17.53], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.03, 15.97], [42.5, 15.75], [42.25, 15.85], [42.0, 15.75], [41.47, 15.97], [41.32, 16.32], [40.97, 16.47], [40.75, 17.0], [40.85, 17.25], [40.82, 17.32], [40.75, 17.35], [40.68, 17.32], [40.53, 16.97], [40.18, 16.82], [40.15, 16.75], [40.25, 16.5], [40.15, 16.25], [40.25, 16.0], [40.03, 15.47], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.82, 16.32], [38.47, 16.47], [38.25, 17.0], [38.46, 17.5], [38.32, 17.82], [38.25, 17.85], [38.18, 17.82], [38.03, 17.47], [37.5, 17.25], [36.97, 17.47], [36.75, 18.0], [36.85, 18.25], [36.82, 18.32], [36.47, 18.47], [36.25, 19.0], [36.35, 19.25], [36.25, 19.5], [36.47, 20.03], [36.82, 20.18]]], [[[36.97, 24.53], [37.5, 24.75], [38.03, 24.53], [38.18, 24.18], [38.53, 24.03], [38.75, 23.5], [38.53, 22.97], [38.0, 22.75], [37.47, 22.97], [37.32, 23.32], [36.97, 23.47], [36.75, 24.0], [36.97, 24.53]]]]}, "2013-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 20.03], [36.82, 20.18], [36.85, 20.25], [36.75, 20.5], [36.85, 20.75], [36.75, 21.0], [36.85, 21.25], [36.75, 21.5], [36.97, 22.03], [37.5, 22.25], [38.03, 22.03], [38.25, 21.5], [38.15, 21.25], [38.18, 21.18], [38.53, 21.03], [38.68, 20.68], [38.75, 20.65], [39.0, 20.75], [39.25, 20.65], [39.5, 20.75], [40.03, 20.53], [40.18, 20.18], [40.53, 20.03], [40.68, 19.68], [40.75, 19.65], [41.0, 19.75], [41.53, 19.53], [41.75, 19.0], [41.65, 18.75], [41.75, 18.5], [41.65, 18.25], [41.68, 18.18], [41.75, 18.15], [42.0, 18.25], [42.25, 18.15], [42.5, 18.25], [43.03, 18.03], [43.25, 17.5], [43.15, 17.25], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.03, 15.97], [42.5, 15.75], [42.25, 15.85], [42.0, 15.75], [41.47, 15.97], [41.32, 16.32], [40.97, 16.47], [40.75, 17.0], [40.85, 17.25], [40.82, 17.32], [40.75, 17.35], [40.68, 17.32], [40.53, 16.97], [40.18, 16.82], [40.15, 16.75], [40.25, 16.5], [40.15, 16.25], [40.25, 16.0], [40.03, 15.47], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.82, 16.32], [38.47, 16.47], [38.25, 17.0], [38.46, 17.5], [38.32, 17.82], [38.25, 17.85], [38.18, 17.82], [38.03, 17.47], [37.5, 17.25], [36.97, 17.47], [36.75, 18.0], [36.85, 18.25], [36.82, 18.32], [36.47, 18.47], [36.25, 19.0], [36.35, 19.25], [36.25, 19.5], [36.47, 20.03]]]]}, "2013-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, 18.47], [36.75, 19.0], [36.97, 19.53], [37.5, 19.75], [37.75, 19.65], [38.0, 19.75], [38.5, 19.54], [39.0, 19.75], [39.25, 19.65], [39.32, 19.68], [39.47, 20.03], [40.0, 20.25], [40.53, 20.03], [40.68, 19.68], [40.75, 19.65], [41.0, 19.75], [41.53, 19.53], [41.75, 19.0], [41.65, 18.75], [41.75, 18.5], [41.65, 18.25], [41.68, 18.18], [41.75, 18.15], [42.0, 18.25], [42.25, 18.15], [42.5, 18.25], [43.03, 18.03], [43.25, 17.5], [43.15, 17.25], [43.25, 17.0], [43.15, 16.75], [43.25, 16.5], [43.03, 15.97], [42.5, 15.75], [42.25, 15.85], [42.0, 15.75], [41.47, 15.97], [41.32, 16.32], [40.97, 16.47], [40.75, 17.0], [40.85, 17.25], [40.82, 17.32], [40.75, 17.35], [40.68, 17.32], [40.53, 16.97], [40.18, 16.82], [40.15, 16.75], [40.25, 16.5], [40.15, 16.25], [40.25, 16.0], [40.03, 15.47], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.75, 16.5], [38.85, 16.75], [38.75, 17.0], [38.85, 17.25], [38.82, 17.32], [38.47, 17.47], [38.32, 17.82], [37.97, 17.97], [37.82, 18.32], [37.75, 18.35], [37.5, 18.25], [36.97, 18.47]]]]}, "2013-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.97, 16.97], [40.75, 17.5], [40.97, 18.03], [41.5, 18.25], [41.75, 18.15], [42.0, 18.25], [42.25, 18.15], [42.5, 18.25], [43.03, 18.03], [43.25, 17.5], [43.03, 16.97], [42.5, 16.75], [42.25, 16.85], [42.0, 16.75], [41.75, 16.85], [41.5, 16.75], [40.97, 16.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.071258468686665}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.988403327633685}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.149602203597226, 27.748432622201506, 27.314307598422715, 27.561916534487295, 27.941735981000818, 27.78599429895388, 28.177975445611196, 28.809800034163402, 28.978802622254022, 30.361689170306704]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.667915336313968, 28.67244287046441, 28.67758430755049, 29.195411433776542, 29.53826986735504, 30.230647103480464, 29.798821345255135, 31.713185012731515, 32.051135606125285, 31.995117038376918]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6364919611265616, 1.66300665282931, 1.738399264731366, 2.1177536592626045, 2.386795763285369, 2.1306426801891223, 1.6957589169903733, 2.0790728771663325, 1.615056278478077, 1.3967590563853112]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.675787424705618, 1.8699995955920485, 2.6053330011992557, 3.062038456082689, 3.412137287200437, 4.071258468686665, 3.1813128985583603, 2.7828092901249306, 1.8887902030852501, 1.7635118703900048]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5304950688493768, 1.4507152939331642, 1.5101383622726385, 1.782029111457342, 1.987857352517916, 1.7614125112746466, 1.6153814075414108, 1.9962039491479298, 1.7135533044315863, 1.5048075334639488]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7030011737306416, 1.7106818614910464, 1.7063475662607555, 2.1377729772884475, 2.4867690531357463, 2.4465472093350478, 2.084224098581289, 2.4064761223655355, 2.191849389800163, 1.7554523335966497]}}