{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:26.511751", "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": "2024-Oct-03_to_2024-Oct-06_263.0_37.0"}, "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": 2024100000985}, "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": "October 03 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 06 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 64116.4443534898}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": 37.0}, "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": 263.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "263.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 262.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 266.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-98.03, 37.53], [-97.5, 37.75], [-97.25, 37.65], [-97.18, 37.68], [-97.03, 38.03], [-96.68, 38.18], [-96.53, 38.53], [-96.0, 38.75], [-95.75, 38.65], [-95.5, 38.75], [-95.25, 38.65], [-95.0, 38.75], [-94.47, 38.53], [-94.3, 38.12], [-94.18, 38.18], [-94.03, 38.53], [-93.5, 38.75], [-92.97, 38.53], [-92.75, 38.0], [-92.85, 37.75], [-92.75, 37.5], [-92.97, 36.97], [-93.32, 36.82], [-93.47, 36.47], [-93.82, 36.32], [-93.85, 36.25], [-93.75, 36.0], [-93.97, 35.47], [-94.5, 35.25], [-94.75, 35.35], [-95.0, 35.25], [-95.53, 35.47], [-95.68, 35.82], [-95.75, 35.85], [-96.0, 35.75], [-96.25, 35.85], [-96.5, 35.75], [-96.75, 35.85], [-97.0, 35.75], [-97.53, 35.97], [-97.68, 36.32], [-98.03, 36.47], [-98.25, 37.0], [-98.03, 37.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.5, 36.25], [-98.02999999999997, 36.47], [-98.25, 37.0], [-98.02999999999997, 37.53], [-97.5, 37.75], [-97.25, 37.65], [-97.0, 37.75], [-96.47000000000003, 37.53], [-96.25, 37.0], [-96.47000000000003, 36.47], [-97.0, 36.25], [-97.25, 36.35], [-97.5, 36.25]]]]}, "2024-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.02999999999997, 36.47], [-98.25, 37.0], [-98.02999999999997, 37.53], [-97.5, 37.75], [-97.25, 37.65], [-97.18, 37.68], [-97.02999999999997, 38.03], [-96.68, 38.18], [-96.52999999999997, 38.53], [-96.0, 38.75], [-95.75, 38.65], [-95.5, 38.75], [-95.25, 38.65], [-95.0, 38.75], [-94.47000000000003, 38.53], [-94.30000000000001, 38.12], [-94.18, 38.18], [-94.02999999999997, 38.53], [-93.5, 38.75], [-92.97000000000003, 38.53], [-92.75, 38.0], [-92.85000000000002, 37.75], [-92.75, 37.5], [-92.97000000000003, 36.97], [-93.32, 36.82], [-93.47000000000003, 36.47], [-93.82, 36.32], [-93.85000000000002, 36.25], [-93.75, 36.0], [-93.97000000000003, 35.47], [-94.5, 35.25], [-94.75, 35.35], [-95.0, 35.25], [-95.52999999999997, 35.47], [-95.68, 35.82], [-95.75, 35.85], [-96.0, 35.75], [-96.25, 35.85], [-96.5, 35.75], [-96.75, 35.85], [-97.0, 35.75], [-97.52999999999997, 35.97], [-97.68, 36.32], [-98.02999999999997, 36.47]]]]}, "2024-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.02999999999997, 36.47], [-98.25, 37.0], [-98.02999999999997, 37.53], [-97.5, 37.75], [-97.25, 37.65], [-97.18, 37.68], [-97.02999999999997, 38.03], [-96.68, 38.18], [-96.52999999999997, 38.53], [-96.0, 38.75], [-95.75, 38.65], [-95.5, 38.75], [-95.25, 38.65], [-95.0, 38.75], [-94.47000000000003, 38.53], [-94.30000000000001, 38.12], [-94.18, 38.18], [-94.02999999999997, 38.53], [-93.5, 38.75], [-92.97000000000003, 38.53], [-92.75, 38.0], [-92.85000000000002, 37.75], [-92.75, 37.5], [-92.97000000000003, 36.97], [-93.32, 36.82], [-93.47000000000003, 36.47], [-93.82, 36.32], [-93.85000000000002, 36.25], [-93.75, 36.0], [-93.97000000000003, 35.47], [-94.5, 35.25], [-94.75, 35.35], [-95.0, 35.25], [-95.52999999999997, 35.47], [-95.68, 35.82], [-95.75, 35.85], [-96.0, 35.75], [-96.25, 35.85], [-96.5, 35.75], [-96.75, 35.85], [-97.0, 35.75], [-97.52999999999997, 35.97], [-97.68, 36.32], [-98.02999999999997, 36.47]]]]}, "2024-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.02999999999997, 36.47], [-98.25, 37.0], [-98.02999999999997, 37.53], [-97.5, 37.75], [-97.25, 37.65], [-97.18, 37.68], [-97.02999999999997, 38.03], [-96.68, 38.18], [-96.52999999999997, 38.53], [-96.0, 38.75], [-95.75, 38.65], [-95.5, 38.75], [-95.25, 38.65], [-95.0, 38.75], [-94.47000000000003, 38.53], [-94.30000000000001, 38.12], [-94.18, 38.18], [-94.02999999999997, 38.53], [-93.5, 38.75], [-92.97000000000003, 38.53], [-92.75, 38.0], [-92.85000000000002, 37.75], [-92.75, 37.5], [-92.97000000000003, 36.97], [-93.32, 36.82], [-93.47000000000003, 36.47], [-93.82, 36.32], [-93.85000000000002, 36.25], [-93.75, 36.0], [-93.97000000000003, 35.47], [-94.5, 35.25], [-94.75, 35.35], [-95.0, 35.25], [-95.52999999999997, 35.47], [-95.68, 35.82], [-95.75, 35.85], [-96.0, 35.75], [-96.25, 35.85], [-96.5, 35.75], [-96.75, 35.85], [-97.0, 35.75], [-97.52999999999997, 35.97], [-97.68, 36.32], [-98.02999999999997, 36.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.880086677234317}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.411539291722399}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.24796574910482, 24.424326735276452, 24.53660100301113, 23.183184071076255]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.51859563191732, 25.450850423177087, 25.436666107177757, 24.191453552246116]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.498921584449448, 6.323834882911952, 6.9124619721198775, 5.991599305310208]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.658112749688598, 7.187064541464736, 7.880086677234317, 6.59582126686189]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5136743446081038, 1.4744987632832998, 1.5772964735106614, 1.3984893853283051]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5352138272891203, 1.6599958621008613, 1.7734625455136979, 1.5814188299299898]}}