{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:49.440501", "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": "2010-May-29_to_2010-Jun-08_42.0_20.5"}, "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": 2010050002671}, "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 29 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 66858.63768434947}, "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": ["Saudi Arabia", "Yemen"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": []}, "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": 20.5}, "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": 42.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.5, 18.25], [44.03, 18.03], [44.25, 17.5], [44.03, 16.97], [43.5, 16.75], [42.97, 16.97], [42.75, 17.5], [42.97, 18.03], [43.5, 18.25]]]]}, "2010-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.25, 18.5], [42.47, 19.03], [43.0, 19.25], [43.53, 19.03], [43.75, 18.5], [43.63, 18.2], [44.03, 18.03], [44.25, 17.5], [44.03, 16.97], [43.5, 16.75], [42.97, 16.97], [42.75, 17.5], [42.88, 17.8], [42.47, 17.97], [42.25, 18.5]]]]}, "2010-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.53, 19.03], [43.75, 18.5], [43.63, 18.2], [44.03, 18.03], [44.25, 17.5], [44.03, 16.97], [43.5, 16.75], [42.97, 16.97], [42.8, 17.38], [42.5, 17.25], [41.97, 17.47], [41.75, 18.0], [41.97, 18.53], [42.32, 18.68], [42.47, 19.03], [43.0, 19.25], [43.53, 19.03]]], [[[43.25, 20.0], [43.47, 20.53], [44.0, 20.75], [44.53, 20.53], [44.75, 20.0], [44.53, 19.47], [44.0, 19.25], [43.47, 19.47], [43.25, 20.0]]], [[[39.75, 21.5], [39.97, 22.03], [40.5, 22.25], [41.03, 22.03], [41.25, 21.5], [41.03, 20.97], [40.5, 20.75], [39.97, 20.97], [39.75, 21.5]]]]}, "2010-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.97, 18.53], [42.32, 18.68], [42.35, 18.75], [42.25, 19.0], [42.47, 19.53], [42.82, 19.68], [42.97, 20.03], [43.32, 20.18], [43.47, 20.53], [44.0, 20.75], [44.53, 20.53], [44.75, 20.0], [44.65, 19.75], [44.75, 19.5], [44.53, 18.97], [44.0, 18.75], [43.75, 18.85], [43.68, 18.82], [43.65, 18.75], [43.75, 18.5], [43.63, 18.2], [44.03, 18.03], [44.25, 17.5], [44.03, 16.97], [43.5, 16.75], [43.25, 16.85], [43.0, 16.75], [42.47, 16.97], [42.32, 17.32], [41.97, 17.47], [41.75, 18.0], [41.97, 18.53]]], [[[39.97, 20.97], [39.75, 21.5], [39.97, 22.03], [40.5, 22.25], [41.03, 22.03], [41.25, 21.5], [41.03, 20.97], [40.5, 20.75], [39.97, 20.97]]]]}, "2010-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, 20.97], [39.75, 21.5], [39.97, 22.03], [40.5, 22.25], [41.03, 22.03], [41.2, 21.63], [41.5, 21.75], [41.75, 21.65], [42.0, 21.75], [42.53, 21.53], [42.75, 21.0], [42.65, 20.75], [42.68, 20.68], [43.03, 20.53], [43.18, 20.18], [43.25, 20.15], [43.32, 20.18], [43.47, 20.53], [44.0, 20.75], [44.53, 20.53], [44.75, 20.0], [44.65, 19.75], [44.68, 19.68], [45.03, 19.53], [45.25, 19.0], [45.03, 18.47], [44.5, 18.25], [43.97, 18.47], [43.82, 18.82], [43.75, 18.85], [43.68, 18.82], [43.65, 18.75], [43.75, 18.5], [43.63, 18.2], [44.03, 18.03], [44.25, 17.5], [44.03, 16.97], [43.5, 16.75], [43.25, 16.85], [43.0, 16.75], [42.47, 16.97], [42.32, 17.32], [41.97, 17.47], [41.75, 18.0], [41.97, 18.53], [42.32, 18.68], [42.35, 18.75], [42.25, 19.0], [42.35, 19.25], [42.32, 19.32], [41.97, 19.47], [41.82, 19.82], [41.47, 19.97], [41.32, 20.32], [40.97, 20.47], [40.8, 20.88], [40.5, 20.75], [39.97, 20.97]]]]}, "2010-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.53, 16.97], [43.0, 16.75], [42.47, 16.97], [42.25, 17.5], [42.47, 18.03], [43.0, 18.25], [43.53, 18.03], [43.75, 17.5], [43.53, 16.97]]], [[[41.03, 22.03], [41.2, 21.63], [41.5, 21.75], [41.75, 21.65], [42.0, 21.75], [42.53, 21.53], [42.75, 21.0], [42.65, 20.75], [42.68, 20.68], [43.03, 20.53], [43.18, 20.18], [43.25, 20.15], [43.32, 20.18], [43.47, 20.53], [44.0, 20.75], [44.53, 20.53], [44.75, 20.0], [44.65, 19.75], [44.68, 19.68], [45.03, 19.53], [45.25, 19.0], [45.03, 18.47], [44.5, 18.25], [43.97, 18.47], [43.82, 18.82], [43.75, 18.85], [43.68, 18.82], [43.53, 18.47], [43.0, 18.25], [42.47, 18.47], [42.25, 19.0], [42.35, 19.25], [42.32, 19.32], [41.97, 19.47], [41.82, 19.82], [41.75, 19.85], [41.5, 19.75], [40.97, 19.97], [40.75, 20.5], [40.85, 20.75], [40.8, 20.88], [40.68, 20.82], [40.53, 20.47], [40.0, 20.25], [39.47, 20.47], [39.25, 21.0], [39.47, 21.53], [39.82, 21.68], [39.97, 22.03], [40.5, 22.25], [41.03, 22.03]]]]}, "2010-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.03, 19.53], [45.25, 19.0], [45.03, 18.47], [44.5, 18.25], [43.97, 18.47], [43.75, 19.0], [43.97, 19.53], [44.5, 19.75], [45.03, 19.53]]], [[[41.03, 22.03], [41.18, 21.68], [41.25, 21.65], [41.5, 21.75], [41.75, 21.65], [42.0, 21.75], [42.53, 21.53], [42.75, 21.0], [42.65, 20.75], [42.68, 20.68], [43.03, 20.53], [43.18, 20.18], [43.53, 20.03], [43.75, 19.5], [43.65, 19.25], [43.75, 19.0], [43.53, 18.47], [43.0, 18.25], [42.47, 18.47], [42.25, 19.0], [42.35, 19.25], [42.32, 19.32], [41.97, 19.47], [41.82, 19.82], [41.75, 19.85], [41.5, 19.75], [40.97, 19.97], [40.82, 20.32], [40.5, 20.46], [40.0, 20.25], [39.47, 20.47], [39.25, 21.0], [39.47, 21.53], [39.82, 21.68], [39.97, 22.03], [40.5, 22.25], [41.03, 22.03]]]]}, "2010-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.5, 22.25], [41.03, 22.03], [41.18, 21.68], [41.25, 21.65], [41.5, 21.75], [41.75, 21.65], [42.0, 21.75], [42.53, 21.53], [42.75, 21.0], [42.65, 20.75], [42.75, 20.5], [42.53, 19.97], [42.0, 19.75], [41.75, 19.85], [41.5, 19.75], [40.97, 19.97], [40.82, 20.32], [40.5, 20.46], [40.0, 20.25], [39.47, 20.47], [39.25, 21.0], [39.47, 21.53], [39.82, 21.68], [39.97, 22.03], [40.5, 22.25]]]]}, "2010-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 20.47], [40.25, 21.0], [40.47, 21.53], [41.0, 21.75], [41.25, 21.65], [41.5, 21.75], [41.75, 21.65], [42.0, 21.75], [42.25, 21.65], [42.5, 21.75], [43.03, 21.53], [43.18, 21.18], [43.25, 21.15], [43.5, 21.25], [44.03, 21.03], [44.25, 20.5], [44.15, 20.25], [44.25, 20.0], [44.15, 19.75], [44.25, 19.5], [44.03, 18.97], [43.5, 18.75], [43.25, 18.85], [43.0, 18.75], [42.47, 18.97], [42.25, 19.5], [42.35, 19.75], [42.3, 19.88], [42.0, 19.75], [41.47, 19.97], [41.32, 20.32], [41.25, 20.35], [41.0, 20.25], [40.47, 20.47]]]]}, "2010-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 21.75], [43.03, 21.53], [43.18, 21.18], [43.25, 21.15], [43.5, 21.25], [44.03, 21.03], [44.25, 20.5], [44.15, 20.25], [44.25, 20.0], [44.15, 19.75], [44.25, 19.5], [44.03, 18.97], [43.5, 18.75], [43.25, 18.85], [43.0, 18.75], [42.47, 18.97], [42.25, 19.5], [42.35, 19.75], [42.3, 19.88], [42.0, 19.75], [41.47, 19.97], [41.25, 20.5], [41.47, 21.03], [41.82, 21.18], [41.97, 21.53], [42.5, 21.75]]]]}, "2010-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 21.75], [43.03, 21.53], [43.18, 21.18], [43.25, 21.15], [43.5, 21.25], [44.03, 21.03], [44.25, 20.5], [44.15, 20.25], [44.25, 20.0], [44.15, 19.75], [44.25, 19.5], [44.03, 18.97], [43.5, 18.75], [43.25, 18.85], [43.0, 18.75], [42.47, 18.97], [42.25, 19.5], [42.35, 19.75], [42.3, 19.88], [42.0, 19.75], [41.47, 19.97], [41.25, 20.5], [41.47, 21.03], [41.82, 21.18], [41.97, 21.53], [42.5, 21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0384880962104717}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7628906682637366}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.144242342696998, 26.597508257671052, 29.810291992986663, 31.021087405585035, 32.13300887863767, 33.34077584413393, 32.84148124423888, 33.270554570385286, 34.10441925538731, 34.55851840802222, 34.7546774442759]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.144242342696998, 27.01592657503801, 34.905982871061894, 35.17832396422199, 35.63521952858224, 36.204377083896304, 36.641281918447305, 36.12747059855553, 36.123753314087026, 35.97572278591235, 36.344477405204316]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.049039767956913, 1.639645655300086, 1.5887544070008062, 1.7384686774858298, 1.7939511645424584, 1.8547859181033988, 1.7118076747685118, 1.9092051375715104, 1.6690662222591237, 1.6782620361885705, 1.8310392699586089]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.049039767956913, 1.969690000557648, 2.3996550957679688, 3.0384880962104717, 2.2409207995033853, 2.692320482097557, 2.1504427167348013, 2.2278806707079752, 2.0666975752301937, 1.9660728022482203, 2.29937116766871]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5036623064978538, 1.3657922205129953, 1.3830823812793593, 1.4615562432912834, 1.5471395881423047, 1.5788250714371144, 1.474018907890389, 1.7109883041109473, 1.589579576651061, 1.5872695841549862, 1.6662247308574096]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5036623064978538, 1.5313342629114413, 1.8927607995710742, 1.9813073060218094, 2.0738272565585376, 2.2778679983143055, 1.7206455963058225, 2.043113022099033, 1.9306032354423504, 1.8578552596232605, 2.0991707562559676]}}