{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:43.715969", "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": "2012-Jun-03_to_2012-Jun-06_264.0_30.5"}, "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": 2012060001927}, "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": "June 03 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 06 2012"}, "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": 50014.76952736522}, "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": ["C.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": []}, "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": 30.5}, "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": 264.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "264.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 263.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 267.25}, "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": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.18, 31.32], [-96.53, 31.47], [-96.75, 32.0], [-96.53, 32.53], [-96.18, 32.68], [-96.03, 33.03], [-95.5, 33.25], [-95.25, 33.15], [-95.0, 33.25], [-94.75, 33.15], [-94.5, 33.25], [-94.0, 33.04], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.25, 32.5], [-92.47, 31.97], [-93.0, 31.75], [-93.25, 31.85], [-93.5, 31.75], [-93.8, 31.88], [-93.85, 31.75], [-93.75, 31.5], [-93.85, 31.25], [-93.75, 31.0], [-93.97, 30.47], [-94.5, 30.25], [-95.0, 30.46], [-95.32, 30.32], [-95.47, 29.97], [-96.0, 29.75], [-96.53, 29.97], [-96.75, 30.5], [-96.53, 31.03], [-96.18, 31.18], [-96.15, 31.25], [-96.18, 31.32]]]]}, "2012-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 31.03], [-96.18, 31.18], [-96.15, 31.25], [-96.18, 31.32], [-96.53, 31.47], [-96.75, 32.0], [-96.53, 32.53], [-96.18, 32.68], [-96.03, 33.03], [-95.5, 33.25], [-95.25, 33.15], [-95.0, 33.25], [-94.75, 33.15], [-94.5, 33.25], [-94.0, 33.04], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.25, 32.5], [-92.47, 31.97], [-93.0, 31.75], [-93.25, 31.85], [-93.32, 31.82], [-93.47, 31.47], [-93.82, 31.32], [-93.85, 31.25], [-93.75, 31.0], [-93.85, 30.75], [-93.75, 30.5], [-93.97, 29.97], [-94.5, 29.75], [-95.0, 29.96], [-95.32, 29.82], [-95.47, 29.47], [-96.0, 29.25], [-96.53, 29.47], [-96.75, 30.0], [-96.65, 30.25], [-96.75, 30.5], [-96.53, 31.03]]]]}, "2012-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 31.03], [-96.18, 31.18], [-96.15, 31.25], [-96.18, 31.32], [-96.53, 31.47], [-96.75, 32.0], [-96.53, 32.53], [-96.18, 32.68], [-96.03, 33.03], [-95.5, 33.25], [-95.25, 33.15], [-95.0, 33.25], [-94.75, 33.15], [-94.5, 33.25], [-94.0, 33.04], [-93.5, 33.25], [-93.25, 33.15], [-93.0, 33.25], [-92.47, 33.03], [-92.25, 32.5], [-92.47, 31.97], [-93.0, 31.75], [-93.25, 31.85], [-93.32, 31.82], [-93.47, 31.47], [-93.82, 31.32], [-93.85, 31.25], [-93.75, 31.0], [-93.85, 30.75], [-93.75, 30.5], [-93.97, 29.97], [-94.5, 29.75], [-95.0, 29.96], [-95.32, 29.82], [-95.47, 29.47], [-96.0, 29.25], [-96.53, 29.47], [-96.75, 30.0], [-96.65, 30.25], [-96.75, 30.5], [-96.53, 31.03]]]]}, "2012-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.18, 31.18], [-96.15, 31.25], [-96.18, 31.32], [-96.53, 31.47], [-96.75, 32.0], [-96.53, 32.53], [-96.0, 32.75], [-95.47, 32.53], [-95.32, 32.18], [-94.97, 32.03], [-94.75, 31.5], [-94.85, 31.25], [-94.8, 31.12], [-94.5, 31.25], [-93.97, 31.03], [-93.75, 30.5], [-93.97, 29.97], [-94.5, 29.75], [-95.0, 29.96], [-95.32, 29.82], [-95.47, 29.47], [-96.0, 29.25], [-96.53, 29.47], [-96.75, 30.0], [-96.65, 30.25], [-96.75, 30.5], [-96.53, 31.03], [-96.18, 31.18]]], [[[-94.53, 31.47], [-94.75, 32.0], [-94.53, 32.53], [-94.0, 32.75], [-93.47, 32.53], [-93.25, 32.0], [-93.47, 31.47], [-94.0, 31.25], [-94.53, 31.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.516280680506441}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4534040689314365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.656830164650103, 29.45608684732258, 30.369441851476097, 30.01635509301525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.215035006381243, 30.1383274998733, 31.086213116007457, 31.25025427711114]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.476232456702712, 3.0852635612816415, 3.895001633608274, 3.236140331421069]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.9496822344503357, 4.119215452953142, 4.516280680506441, 4.214743945557643]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5483656914972792, 1.4573279575389737, 1.8474390412789647, 1.6403233521218636]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7523389650656012, 1.8059248187909707, 2.1038549481490176, 2.1486180816572924]}}