{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:36:29.947070", "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": "2023-Sep-03_to_2023-Sep-05_2.0_38.5"}, "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": 2023090000860}, "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": "September 03 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 57445.71462219843}, "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": ["Spain"]}, "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": ["Europe"]}, "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": ["Balearic (Iberian Sea)", "Mediterranean Sea - Western 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": 38.5}, "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": 2.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "2.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 0.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 4.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, 39.53], [0.32, 39.68], [0.47, 40.03], [1.0, 40.25], [1.25, 40.15], [1.5, 40.25], [1.75, 40.15], [2.0, 40.25], [2.25, 40.15], [2.5, 40.25], [2.8, 40.13], [2.85, 40.25], [2.75, 40.5], [2.97, 41.03], [3.5, 41.25], [3.75, 41.15], [4.0, 41.25], [4.53, 41.03], [4.68, 40.68], [5.03, 40.53], [5.25, 40.0], [5.03, 39.47], [4.68, 39.32], [4.65, 39.25], [4.75, 39.0], [4.53, 38.47], [4.18, 38.32], [4.03, 37.97], [3.5, 37.75], [3.25, 37.85], [3.0, 37.75], [2.5, 37.96], [2.0, 37.75], [1.75, 37.85], [1.5, 37.75], [1.25, 37.85], [1.0, 37.75], [0.75, 37.85], [0.5, 37.75], [-0.03, 37.97], [-0.25, 38.5], [-0.15, 38.75], [-0.25, 39.0], [-0.03, 39.53]]]]}, "2023-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, 39.53], [0.32, 39.68], [0.47, 40.03], [1.0, 40.25], [1.25, 40.15], [1.5, 40.25], [1.75, 40.15], [2.0, 40.25], [2.25, 40.15], [2.5, 40.25], [2.8, 40.13], [2.85, 40.25], [2.75, 40.5], [2.97, 41.03], [3.5, 41.25], [3.75, 41.15], [4.0, 41.25], [4.53, 41.03], [4.68, 40.68], [5.03, 40.53], [5.25, 40.0], [5.03, 39.47], [4.68, 39.32], [4.65, 39.25], [4.75, 39.0], [4.53, 38.47], [4.18, 38.32], [4.03, 37.97], [3.5, 37.75], [3.25, 37.85], [3.0, 37.75], [2.5, 37.96], [2.0, 37.75], [1.75, 37.85], [1.5, 37.75], [1.25, 37.85], [1.0, 37.75], [0.75, 37.85], [0.5, 37.75], [-0.03, 37.97], [-0.25, 38.5], [-0.15, 38.75], [-0.25, 39.0], [-0.03, 39.53]]]]}, "2023-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.03, 39.53], [0.32, 39.68], [0.47, 40.03], [1.0, 40.25], [1.25, 40.15], [1.5, 40.25], [1.75, 40.15], [2.0, 40.25], [2.25, 40.15], [2.5, 40.25], [2.8, 40.13], [2.85, 40.25], [2.75, 40.5], [2.97, 41.03], [3.5, 41.25], [3.75, 41.15], [4.0, 41.25], [4.53, 41.03], [4.68, 40.68], [5.03, 40.53], [5.25, 40.0], [5.03, 39.47], [4.68, 39.32], [4.65, 39.25], [4.75, 39.0], [4.53, 38.47], [4.18, 38.32], [4.03, 37.97], [3.5, 37.75], [3.25, 37.85], [3.0, 37.75], [2.5, 37.96], [2.0, 37.75], [1.75, 37.85], [1.5, 37.75], [1.25, 37.85], [1.0, 37.75], [0.75, 37.85], [0.5, 37.75], [-0.03, 37.97], [-0.25, 38.5], [-0.15, 38.75], [-0.25, 39.0], [-0.03, 39.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.211662521565472}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8048425665714367}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.533415284074124, 26.60060233662972, 26.075873954339443]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.169459331088376, 26.99821499197168, 26.49277726394996]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8528153006557417, 2.006407516222145, 1.555304882836424]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.208714924550293, 2.211662521565472, 1.929159907080134]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.71250314691955, 1.8232609850441694, 1.4110050230638975]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.370846432822829, 2.1317085851114324, 1.5683424537344157]}}