{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:22.005441", "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": "2026-Mar-04_to_2026-Mar-10_15.0_33.0"}, "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": 2026030001300}, "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 04 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 10 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 96171.82790451177}, "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": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": ["Mediterranean Sea - Eastern Basin"]}, "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": 33.0}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.0, 33.75], [13.53, 33.53], [13.75, 33.0], [13.65, 32.75], [13.75, 32.5], [13.53, 31.97], [13.0, 31.75], [12.75, 31.85], [12.5, 31.75], [11.97, 31.97], [11.75, 32.5], [11.97, 33.03], [12.32, 33.18], [12.47, 33.53], [13.0, 33.75]]]]}, "2026-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.0, 33.75], [13.25, 33.65], [13.5, 33.75], [14.03, 33.53], [14.25, 33.0], [14.03, 32.47], [13.68, 32.32], [13.53, 31.97], [13.0, 31.75], [12.75, 31.85], [12.5, 31.75], [11.97, 31.97], [11.75, 32.5], [11.97, 33.03], [12.32, 33.18], [12.47, 33.53], [13.0, 33.75]]]]}, "2026-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.0, 33.75], [13.25, 33.65], [13.5, 33.75], [13.75, 33.65], [13.82, 33.68], [13.88, 33.8], [13.47, 33.97], [13.25, 34.5], [13.47, 35.03], [14.0, 35.25], [14.25, 35.15], [14.5, 35.25], [14.75, 35.15], [15.0, 35.25], [15.53, 35.03], [15.68, 34.68], [16.03, 34.53], [16.25, 34.0], [16.15, 33.75], [16.18, 33.68], [16.25, 33.65], [16.5, 33.75], [16.75, 33.65], [17.0, 33.75], [17.53, 33.53], [17.75, 33.0], [17.53, 32.47], [17.0, 32.25], [16.75, 32.35], [16.5, 32.25], [16.25, 32.35], [16.0, 32.25], [15.75, 32.35], [15.5, 32.25], [15.25, 32.35], [15.0, 32.25], [14.5, 32.46], [14.0, 32.25], [13.75, 32.35], [13.68, 32.32], [13.53, 31.97], [13.0, 31.75], [12.75, 31.85], [12.5, 31.75], [11.97, 31.97], [11.75, 32.5], [11.97, 33.03], [12.32, 33.18], [12.47, 33.53], [13.0, 33.75]]]]}, "2026-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, 33.53], [13.0, 33.75], [13.25, 33.65], [13.5, 33.75], [13.75, 33.65], [13.82, 33.68], [13.88, 33.8], [13.47, 33.97], [13.25, 34.5], [13.47, 35.03], [14.0, 35.25], [14.25, 35.15], [14.5, 35.25], [14.75, 35.15], [15.0, 35.25], [15.53, 35.03], [15.68, 34.68], [16.03, 34.53], [16.25, 34.0], [16.15, 33.75], [16.18, 33.68], [16.25, 33.65], [16.5, 33.75], [16.75, 33.65], [17.0, 33.75], [17.25, 33.65], [17.5, 33.75], [18.03, 33.53], [18.18, 33.18], [18.53, 33.03], [18.75, 32.5], [18.65, 32.25], [18.75, 32.0], [18.53, 31.47], [18.18, 31.32], [18.03, 30.97], [17.5, 30.75], [17.25, 30.85], [17.0, 30.75], [16.7, 30.88], [16.53, 30.47], [16.0, 30.25], [15.47, 30.47], [15.25, 31.0], [15.35, 31.25], [15.32, 31.32], [14.97, 31.47], [14.82, 31.82], [14.47, 31.97], [14.32, 32.32], [14.25, 32.35], [14.0, 32.25], [13.75, 32.35], [13.68, 32.32], [13.53, 31.97], [13.0, 31.75], [12.47, 31.97], [12.25, 32.5], [12.35, 32.75], [12.25, 33.0], [12.47, 33.53]]]]}, "2026-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 32.47], [12.75, 33.0], [12.97, 33.53], [13.5, 33.75], [13.75, 33.65], [13.82, 33.68], [13.88, 33.8], [13.47, 33.97], [13.25, 34.5], [13.47, 35.03], [14.0, 35.25], [14.25, 35.15], [14.5, 35.25], [14.75, 35.15], [15.0, 35.25], [15.53, 35.03], [15.68, 34.68], [16.03, 34.53], [16.25, 34.0], [16.15, 33.75], [16.18, 33.68], [16.25, 33.65], [16.5, 33.75], [16.75, 33.65], [17.0, 33.75], [17.25, 33.65], [17.5, 33.75], [18.03, 33.53], [18.18, 33.18], [18.53, 33.03], [18.75, 32.5], [18.65, 32.25], [18.75, 32.0], [18.53, 31.47], [18.18, 31.32], [18.03, 30.97], [17.5, 30.75], [17.25, 30.85], [17.0, 30.75], [16.7, 30.88], [16.53, 30.47], [16.0, 30.25], [15.47, 30.47], [15.25, 31.0], [15.35, 31.25], [15.32, 31.32], [14.97, 31.47], [14.82, 31.82], [14.47, 31.97], [14.32, 32.32], [14.25, 32.35], [14.0, 32.25], [13.75, 32.35], [13.5, 32.25], [12.97, 32.47]]]]}, "2026-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, 32.47], [12.75, 33.0], [12.97, 33.53], [13.5, 33.75], [13.75, 33.65], [13.82, 33.68], [13.97, 34.03], [14.5, 34.25], [15.03, 34.03], [15.18, 33.68], [15.25, 33.65], [15.5, 33.75], [15.75, 33.65], [16.0, 33.75], [16.25, 33.65], [16.5, 33.75], [16.75, 33.65], [17.0, 33.75], [17.25, 33.65], [17.5, 33.75], [18.03, 33.53], [18.18, 33.18], [18.53, 33.03], [18.75, 32.5], [18.65, 32.25], [18.75, 32.0], [18.53, 31.47], [18.18, 31.32], [18.03, 30.97], [17.5, 30.75], [17.25, 30.85], [17.0, 30.75], [16.7, 30.88], [16.53, 30.47], [16.0, 30.25], [15.47, 30.47], [15.25, 31.0], [15.35, 31.25], [15.32, 31.32], [14.97, 31.47], [14.82, 31.82], [14.47, 31.97], [14.32, 32.32], [14.25, 32.35], [14.0, 32.25], [13.75, 32.35], [13.5, 32.25], [12.97, 32.47]]]]}, "2026-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.5, 34.25], [15.03, 34.03], [15.18, 33.68], [15.25, 33.65], [15.5, 33.75], [15.75, 33.65], [16.0, 33.75], [16.25, 33.65], [16.5, 33.75], [17.03, 33.53], [17.25, 33.0], [17.15, 32.75], [17.25, 32.5], [17.03, 31.97], [16.5, 31.75], [16.25, 31.85], [16.0, 31.75], [15.75, 31.85], [15.5, 31.75], [15.25, 31.85], [15.0, 31.75], [14.47, 31.97], [14.32, 32.32], [14.25, 32.35], [14.0, 32.25], [13.47, 32.47], [13.25, 33.0], [13.47, 33.53], [13.82, 33.68], [13.97, 34.03], [14.5, 34.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.311841968819635}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.464764017039518}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.16999884711373, 19.430051422119163, 17.80070959020543, 17.937274198178898, 17.840517335779566, 17.726736582061392, 17.24655442671343]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.48279724121096, 21.278826649983728, 21.232883707682333, 21.181478118896507, 22.33713048299154, 19.94415435791018, 17.558773295084677]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.412576462288295, 3.8187676180979366, 2.425396743492096, 2.4247785940715323, 2.4714435694604284, 2.3039427722390142, 2.010555220496222]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.466059348593092, 5.388231615666541, 5.545261749454369, 4.949656789971243, 6.311841968819635, 4.077680973532949, 2.409512948668805]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5053070345143196, 1.4363473072867592, 1.3622102488522971, 1.500636396731228, 1.5917640049603499, 1.4998857888799773, 1.4280319849580103]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.559036814608163, 1.586108610668334, 1.6143412373695165, 1.7388779135678492, 2.061433659481668, 1.972920924522125, 1.588427148718804]}}