{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:59.863057", "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-06_to_2011-Jul-11_272.5_31.0"}, "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": 2011070002068}, "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 06 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 53002.78559807167}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": ["Gulf of Mexico"]}, "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": 31.0}, "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": 272.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "272.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 271.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 275.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.53, 32.03], [-85.0, 32.25], [-84.47, 32.03], [-84.25, 31.5], [-84.35, 31.25], [-84.25, 31.0], [-84.47, 30.47], [-85.0, 30.25], [-85.53, 30.47], [-85.75, 31.0], [-85.65, 31.25], [-85.75, 31.5], [-85.53, 32.03]]]]}, "2011-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.0, 32.25], [-86.75, 32.15], [-86.5, 32.25], [-86.25, 32.15], [-86.0, 32.25], [-85.75, 32.15], [-85.68, 32.18], [-85.53, 32.53], [-85.0, 32.75], [-84.47, 32.53], [-84.25, 32.0], [-84.35, 31.75], [-84.25, 31.5], [-84.35, 31.25], [-84.25, 31.0], [-84.47, 30.47], [-85.0, 30.25], [-85.25, 30.35], [-85.5, 30.25], [-85.75, 30.35], [-86.0, 30.25], [-86.25, 30.35], [-86.5, 30.25], [-86.75, 30.35], [-87.0, 30.25], [-87.25, 30.35], [-87.5, 30.25], [-88.03, 30.47], [-88.25, 31.0], [-88.03, 31.53], [-87.68, 31.68], [-87.53, 32.03], [-87.0, 32.25]]]]}, "2011-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.53, 31.53], [-88.18, 31.68], [-88.03, 32.03], [-87.5, 32.25], [-87.25, 32.15], [-87.0, 32.25], [-86.75, 32.15], [-86.5, 32.25], [-86.25, 32.15], [-86.0, 32.25], [-85.75, 32.15], [-85.68, 32.18], [-85.53, 32.53], [-85.0, 32.75], [-84.47, 32.53], [-84.25, 32.0], [-84.35, 31.75], [-84.25, 31.5], [-84.35, 31.25], [-84.25, 31.0], [-84.47, 30.47], [-85.0, 30.25], [-85.25, 30.35], [-85.5, 30.25], [-85.75, 30.35], [-86.0, 30.25], [-86.25, 30.35], [-86.37, 30.3], [-86.25, 30.0], [-86.47, 29.47], [-87.0, 29.25], [-87.25, 29.35], [-87.5, 29.25], [-88.03, 29.47], [-88.18, 29.82], [-88.53, 29.97], [-88.75, 30.5], [-88.65, 30.75], [-88.75, 31.0], [-88.53, 31.53]]]]}, "2011-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 31.03], [-88.68, 31.18], [-88.53, 31.53], [-88.18, 31.68], [-88.03, 32.03], [-87.5, 32.25], [-87.25, 32.15], [-87.0, 32.25], [-86.75, 32.15], [-86.5, 32.25], [-86.25, 32.15], [-86.0, 32.25], [-85.75, 32.15], [-85.68, 32.18], [-85.53, 32.53], [-85.0, 32.75], [-84.47, 32.53], [-84.25, 32.0], [-84.35, 31.75], [-84.25, 31.5], [-84.47, 30.97], [-84.82, 30.82], [-84.97, 30.47], [-85.5, 30.25], [-85.75, 30.35], [-86.0, 30.25], [-86.25, 30.35], [-86.37, 30.3], [-86.25, 30.0], [-86.47, 29.47], [-87.0, 29.25], [-87.25, 29.35], [-87.5, 29.25], [-88.0, 29.46], [-88.5, 29.25], [-89.03, 29.47], [-89.25, 30.0], [-89.15, 30.25], [-89.25, 30.5], [-89.03, 31.03]]]]}, "2011-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 31.03], [-88.68, 31.18], [-88.53, 31.53], [-88.18, 31.68], [-88.03, 32.03], [-87.5, 32.25], [-86.97, 32.03], [-86.82, 31.68], [-86.75, 31.65], [-86.5, 31.75], [-86.25, 31.65], [-86.18, 31.68], [-86.03, 32.03], [-85.5, 32.25], [-85.25, 32.15], [-85.0, 32.25], [-84.47, 32.03], [-84.25, 31.5], [-84.47, 30.97], [-84.82, 30.82], [-84.97, 30.47], [-85.5, 30.25], [-85.75, 30.35], [-86.0, 30.25], [-86.25, 30.35], [-86.37, 30.3], [-86.25, 30.0], [-86.47, 29.47], [-87.0, 29.25], [-87.25, 29.35], [-87.5, 29.25], [-88.0, 29.46], [-88.5, 29.25], [-89.03, 29.47], [-89.25, 30.0], [-89.15, 30.25], [-89.25, 30.5], [-89.03, 31.03]]]]}, "2011-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 31.03], [-88.68, 31.18], [-88.53, 31.53], [-88.18, 31.68], [-88.03, 32.03], [-87.5, 32.25], [-86.97, 32.03], [-86.82, 31.68], [-86.75, 31.65], [-86.5, 31.75], [-85.97, 31.53], [-85.75, 31.0], [-85.97, 30.47], [-86.5, 30.25], [-86.75, 30.35], [-86.82, 30.32], [-86.97, 29.97], [-87.5, 29.75], [-87.75, 29.85], [-87.82, 29.82], [-87.97, 29.47], [-88.5, 29.25], [-89.03, 29.47], [-89.25, 30.0], [-89.15, 30.25], [-89.25, 30.5], [-89.03, 31.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8026376237071418}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.477429268156009}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.667882790299984, 30.25609418443736, 29.86646675513873, 29.544196260236788, 29.769056406841685, 29.39110977118554]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.84673403366122, 31.02509431161667, 30.75065151657759, 29.97115228991248, 30.191240644720608, 29.67565893131564]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3048420663354534, 3.206018264505616, 2.6364199174377188, 2.2172588295348956, 2.335884538515711, 2.01150527246497]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.557913835867339, 3.8026376237071418, 3.765760274992658, 2.6992643423738514, 3.0244738997201353, 2.3766351754641164]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4204833939820356, 2.0406970602030863, 1.7987870700553874, 1.5871857070463182, 1.7196463932035118, 1.4884787758347602]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5192771021863776, 2.446027770162169, 2.4106851863478944, 1.8254698882774885, 1.9943136326342132, 1.6724670688855205]}}