{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:14:14.359998", "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": "2020-Jun-05_to_2020-Jun-07_81.0_-69.5"}, "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": 2020060001581}, "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 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2020"}, "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": 226187.05565489223}, "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": ["Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Davis Sea", "Southern Ocean"]}, "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": -69.5}, "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": 81.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "81.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 91.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -72.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -66.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[74.47, -70.97], [75.0, -70.75], [75.25, -70.854], [75.323, -70.823], [75.47, -70.47], [75.823, -70.323], [75.97, -69.97], [76.323, -69.823], [76.47, -69.47], [77.0, -69.25], [77.25, -69.354], [77.5, -69.25], [77.75, -69.354], [77.823, -69.323], [77.875, -69.198], [77.47, -69.03], [77.25, -68.5], [77.47, -67.97], [78.0, -67.75], [78.25, -67.854], [78.323, -67.823], [78.47, -67.47], [78.823, -67.323], [78.97, -66.97], [79.5, -66.75], [79.75, -66.854], [79.823, -66.823], [79.97, -66.47], [80.5, -66.25], [80.75, -66.354], [80.823, -66.323], [80.97, -65.97], [81.5, -65.75], [81.75, -65.854], [82.0, -65.75], [82.25, -65.854], [82.5, -65.75], [82.75, -65.854], [83.0, -65.75], [83.25, -65.854], [83.5, -65.75], [83.75, -65.854], [83.823, -65.823], [83.97, -65.47], [84.5, -65.25], [85.03, -65.47], [85.25, -66.0], [85.03, -66.53], [84.677, -66.677], [84.53, -67.03], [84.177, -67.177], [84.125, -67.302], [84.25, -67.354], [84.5, -67.25], [84.75, -67.354], [85.0, -67.25], [85.25, -67.354], [85.323, -67.323], [85.47, -66.97], [86.0, -66.75], [86.25, -66.854], [86.5, -66.75], [86.75, -66.854], [87.0, -66.75], [87.25, -66.854], [87.5, -66.75], [87.75, -66.854], [88.0, -66.75], [88.53, -66.97], [88.677, -67.323], [88.75, -67.354], [89.0, -67.25], [89.25, -67.354], [89.5, -67.25], [90.03, -67.47], [90.177, -67.823], [90.25, -67.854], [90.5, -67.75], [91.03, -67.97], [91.177, -68.323], [91.53, -68.47], [91.75, -69.0], [91.53, -69.53], [91.177, -69.677], [91.03, -70.03], [90.5, -70.25], [90.25, -70.146], [90.0, -70.25], [89.75, -70.146], [89.5, -70.25], [89.25, -70.146], [89.0, -70.25], [88.75, -70.146], [88.5, -70.25], [88.25, -70.146], [88.177, -70.177], [88.03, -70.53], [87.5, -70.75], [87.25, -70.646], [87.0, -70.75], [86.75, -70.646], [86.5, -70.75], [86.25, -70.646], [86.177, -70.677], [86.03, -71.03], [85.5, -71.25], [85.0, -71.043], [84.677, -71.177], [84.646, -71.25], [84.75, -71.5], [84.53, -72.03], [84.0, -72.25], [83.75, -72.146], [83.677, -72.177], [83.53, -72.53], [83.0, -72.75], [82.75, -72.646], [82.5, -72.75], [82.25, -72.646], [82.0, -72.75], [81.698, -72.625], [81.53, -73.03], [81.0, -73.25], [80.75, -73.146], [80.5, -73.25], [79.97, -73.03], [79.802, -72.625], [79.5, -72.75], [79.25, -72.646], [79.177, -72.677], [79.03, -73.03], [78.5, -73.25], [78.25, -73.146], [78.0, -73.25], [77.75, -73.146], [77.5, -73.25], [76.97, -73.03], [76.823, -72.677], [76.75, -72.646], [76.5, -72.75], [76.25, -72.646], [76.0, -72.75], [75.75, -72.646], [75.5, -72.75], [75.25, -72.646], [75.0, -72.75], [74.47, -72.53], [74.25, -72.0], [74.354, -71.75], [74.25, -71.5], [74.47, -70.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, -71.75], [74.25, -71.5], [74.46966991411009, -70.96966991411009], [75.0, -70.75], [75.25, -70.85355339059328], [75.32322330470336, -70.82322330470336], [75.46966991411009, -70.46966991411009], [75.82322330470336, -70.32322330470336], [75.96966991411009, -69.96966991411009], [76.32322330470336, -69.82322330470336], [76.46966991411009, -69.46966991411009], [77.0, -69.25], [77.25, -69.35355339059328], [77.5, -69.25], [77.75, -69.35355339059328], [77.82322330470336, -69.32322330470336], [77.875, -69.19822330470336], [77.46966991411009, -69.03033008588991], [77.25, -68.5], [77.46966991411009, -67.96966991411009], [78.0, -67.75], [78.25, -67.85355339059328], [78.32322330470336, -67.82322330470336], [78.46966991411009, -67.46966991411009], [78.82322330470336, -67.32322330470336], [78.96966991411009, -66.96966991411009], [79.5, -66.75], [79.75, -66.85355339059328], [79.82322330470336, -66.82322330470336], [79.96966991411009, -66.46966991411009], [80.5, -66.25], [80.75, -66.35355339059328], [80.82322330470336, -66.32322330470336], [80.96966991411009, -65.96966991411009], [81.5, -65.75], [81.75, -65.85355339059328], [82.0, -65.75], [82.25, -65.85355339059328], [82.5, -65.75], [82.75, -65.85355339059328], [83.0, -65.75], [83.25, -65.85355339059328], [83.5, -65.75], [83.75, -65.85355339059328], [83.82322330470336, -65.82322330470336], [83.96966991411009, -65.46966991411009], [84.5, -65.25], [85.03033008588991, -65.46966991411009], [85.25, -66.0], [85.03033008588991, -66.53033008588991], [84.67677669529664, -66.67677669529664], [84.53033008588991, -67.03033008588991], [84.17677669529664, -67.17677669529664], [84.125, -67.30177669529664], [84.25, -67.35355339059328], [84.5, -67.25], [84.75, -67.35355339059328], [85.0, -67.25], [85.25, -67.35355339059328], [85.32322330470336, -67.32322330470336], [85.46966991411009, -66.96966991411009], [86.0, -66.75], [86.25, -66.85355339059328], [86.5, -66.75], [86.75, -66.85355339059328], [87.0, -66.75], [87.25, -66.85355339059328], [87.5, -66.75], [87.75, -66.85355339059328], [88.0, -66.75], [88.53033008588991, -66.96966991411009], [88.67677669529664, -67.32322330470336], [88.75, -67.35355339059328], [89.0, -67.25], [89.25, -67.35355339059328], [89.5, -67.25], [90.03033008588991, -67.46966991411009], [90.17677669529664, -67.82322330470336], [90.25, -67.85355339059328], [90.5, -67.75], [91.03033008588991, -67.96966991411009], [91.17677669529664, -68.32322330470336], [91.53033008588991, -68.46966991411009], [91.75, -69.0], [91.53033008588991, -69.53033008588991], [91.17677669529664, -69.67677669529664], [91.03033008588991, -70.03033008588991], [90.5, -70.25], [90.25, -70.14644660940672], [90.0, -70.25], [89.75, -70.14644660940672], [89.5, -70.25], [89.25, -70.14644660940672], [89.0, -70.25], [88.75, -70.14644660940672], [88.5, -70.25], [88.25, -70.14644660940672], [88.17677669529664, -70.17677669529664], [88.03033008588991, -70.53033008588991], [87.5, -70.75], [87.25, -70.64644660940672], [87.0, -70.75], [86.75, -70.64644660940672], [86.5, -70.75], [86.25, -70.64644660940672], [86.17677669529664, -70.67677669529664], [86.03033008588991, -71.03033008588991], [85.5, -71.25], [85.0, -71.04289321881346], [84.67677669529664, -71.17677669529664], [84.64644660940672, -71.25], [84.75, -71.5], [84.53033008588991, -72.03033008588991], [84.0, -72.25], [83.75, -72.14644660940672], [83.67677669529664, -72.17677669529664], [83.53033008588991, -72.53033008588991], [83.0, -72.75], [82.75, -72.64644660940672], [82.5, -72.75], [82.25, -72.64644660940672], [82.0, -72.75], [81.69822330470336, -72.625], [81.53033008588991, -73.03033008588991], [81.0, -73.25], [80.75, -73.14644660940672], [80.5, -73.25], [79.96966991411009, -73.03033008588991], [79.80177669529664, -72.625], [79.5, -72.75], [79.25, -72.64644660940672], [79.17677669529664, -72.67677669529664], [79.03033008588991, -73.03033008588991], [78.5, -73.25], [78.25, -73.14644660940672], [78.0, -73.25], [77.75, -73.14644660940672], [77.5, -73.25], [76.96966991411009, -73.03033008588991], [76.82322330470336, -72.67677669529664], [76.75, -72.64644660940672], [76.5, -72.75], [76.25, -72.64644660940672], [76.0, -72.75], [75.75, -72.64644660940672], [75.5, -72.75], [75.25, -72.64644660940672], [75.0, -72.75], [74.46966991411009, -72.53033008588991], [74.25, -72.0], [74.35355339059328, -71.75]]]}, "2020-06-06T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, -71.75], [74.25, -71.5], [74.46966991411009, -70.96966991411009], [75.0, -70.75], [75.25, -70.85355339059328], [75.32322330470336, -70.82322330470336], [75.46966991411009, -70.46966991411009], [75.82322330470336, -70.32322330470336], [75.96966991411009, -69.96966991411009], [76.32322330470336, -69.82322330470336], [76.46966991411009, -69.46966991411009], [77.0, -69.25], [77.25, -69.35355339059328], [77.5, -69.25], [77.75, -69.35355339059328], [77.82322330470336, -69.32322330470336], [77.875, -69.19822330470336], [77.46966991411009, -69.03033008588991], [77.25, -68.5], [77.46966991411009, -67.96966991411009], [78.0, -67.75], [78.25, -67.85355339059328], [78.32322330470336, -67.82322330470336], [78.46966991411009, -67.46966991411009], [78.82322330470336, -67.32322330470336], [78.96966991411009, -66.96966991411009], [79.5, -66.75], [79.75, -66.85355339059328], [79.82322330470336, -66.82322330470336], [79.96966991411009, -66.46966991411009], [80.5, -66.25], [80.75, -66.35355339059328], [80.82322330470336, -66.32322330470336], [80.96966991411009, -65.96966991411009], [81.5, -65.75], [81.75, -65.85355339059328], [82.0, -65.75], [82.25, -65.85355339059328], [82.5, -65.75], [82.75, -65.85355339059328], [83.0, -65.75], [83.25, -65.85355339059328], [83.5, -65.75], [83.75, -65.85355339059328], [83.82322330470336, -65.82322330470336], [83.96966991411009, -65.46966991411009], [84.5, -65.25], [85.03033008588991, -65.46966991411009], [85.25, -66.0], [85.03033008588991, -66.53033008588991], [84.67677669529664, -66.67677669529664], [84.53033008588991, -67.03033008588991], [84.17677669529664, -67.17677669529664], [84.125, -67.30177669529664], [84.25, -67.35355339059328], [84.5, -67.25], [84.75, -67.35355339059328], [85.0, -67.25], [85.25, -67.35355339059328], [85.32322330470336, -67.32322330470336], [85.46966991411009, -66.96966991411009], [86.0, -66.75], [86.25, -66.85355339059328], [86.5, -66.75], [86.75, -66.85355339059328], [87.0, -66.75], [87.25, -66.85355339059328], [87.5, -66.75], [87.75, -66.85355339059328], [88.0, -66.75], [88.53033008588991, -66.96966991411009], [88.67677669529664, -67.32322330470336], [88.75, -67.35355339059328], [89.0, -67.25], [89.25, -67.35355339059328], [89.5, -67.25], [90.03033008588991, -67.46966991411009], [90.17677669529664, -67.82322330470336], [90.25, -67.85355339059328], [90.5, -67.75], [91.03033008588991, -67.96966991411009], [91.17677669529664, -68.32322330470336], [91.53033008588991, -68.46966991411009], [91.75, -69.0], [91.53033008588991, -69.53033008588991], [91.17677669529664, -69.67677669529664], [91.03033008588991, -70.03033008588991], [90.5, -70.25], [90.25, -70.14644660940672], [90.0, -70.25], [89.75, -70.14644660940672], [89.5, -70.25], [89.25, -70.14644660940672], [89.0, -70.25], [88.75, -70.14644660940672], [88.5, -70.25], [88.25, -70.14644660940672], [88.17677669529664, -70.17677669529664], [88.03033008588991, -70.53033008588991], [87.5, -70.75], [87.25, -70.64644660940672], [87.0, -70.75], [86.75, -70.64644660940672], [86.5, -70.75], [86.25, -70.64644660940672], [86.17677669529664, -70.67677669529664], [86.03033008588991, -71.03033008588991], [85.5, -71.25], [85.0, -71.04289321881346], [84.67677669529664, -71.17677669529664], [84.64644660940672, -71.25], [84.75, -71.5], [84.53033008588991, -72.03033008588991], [84.0, -72.25], [83.75, -72.14644660940672], [83.67677669529664, -72.17677669529664], [83.53033008588991, -72.53033008588991], [83.0, -72.75], [82.75, -72.64644660940672], [82.5, -72.75], [82.25, -72.64644660940672], [82.0, -72.75], [81.69822330470336, -72.625], [81.53033008588991, -73.03033008588991], [81.0, -73.25], [80.75, -73.14644660940672], [80.5, -73.25], [79.96966991411009, -73.03033008588991], [79.80177669529664, -72.625], [79.5, -72.75], [79.25, -72.64644660940672], [79.17677669529664, -72.67677669529664], [79.03033008588991, -73.03033008588991], [78.5, -73.25], [78.25, -73.14644660940672], [78.0, -73.25], [77.75, -73.14644660940672], [77.5, -73.25], [76.96966991411009, -73.03033008588991], [76.82322330470336, -72.67677669529664], [76.75, -72.64644660940672], [76.5, -72.75], [76.25, -72.64644660940672], [76.0, -72.75], [75.75, -72.64644660940672], [75.5, -72.75], [75.25, -72.64644660940672], [75.0, -72.75], [74.46966991411009, -72.53033008588991], [74.25, -72.0], [74.35355339059328, -71.75]]]}, "2020-06-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[74.35355339059328, -71.75], [74.25, -71.5], [74.46966991411009, -70.96966991411009], [75.0, -70.75], [75.25, -70.85355339059328], [75.32322330470336, -70.82322330470336], [75.46966991411009, -70.46966991411009], [75.82322330470336, -70.32322330470336], [75.96966991411009, -69.96966991411009], [76.32322330470336, -69.82322330470336], [76.46966991411009, -69.46966991411009], [77.0, -69.25], [77.25, -69.35355339059328], [77.5, -69.25], [77.75, -69.35355339059328], [77.82322330470336, -69.32322330470336], [77.875, -69.19822330470336], [77.46966991411009, -69.03033008588991], [77.25, -68.5], [77.46966991411009, -67.96966991411009], [78.0, -67.75], [78.25, -67.85355339059328], [78.32322330470336, -67.82322330470336], [78.46966991411009, -67.46966991411009], [78.82322330470336, -67.32322330470336], [78.96966991411009, -66.96966991411009], [79.5, -66.75], [79.75, -66.85355339059328], [79.82322330470336, -66.82322330470336], [79.96966991411009, -66.46966991411009], [80.5, -66.25], [80.75, -66.35355339059328], [80.82322330470336, -66.32322330470336], [80.96966991411009, -65.96966991411009], [81.5, -65.75], [81.75, -65.85355339059328], [82.0, -65.75], [82.25, -65.85355339059328], [82.5, -65.75], [82.75, -65.85355339059328], [83.0, -65.75], [83.25, -65.85355339059328], [83.5, -65.75], [83.75, -65.85355339059328], [83.82322330470336, -65.82322330470336], [83.96966991411009, -65.46966991411009], [84.5, -65.25], [85.03033008588991, -65.46966991411009], [85.25, -66.0], [85.03033008588991, -66.53033008588991], [84.67677669529664, -66.67677669529664], [84.53033008588991, -67.03033008588991], [84.17677669529664, -67.17677669529664], [84.125, -67.30177669529664], [84.25, -67.35355339059328], [84.5, -67.25], [84.75, -67.35355339059328], [85.0, -67.25], [85.25, -67.35355339059328], [85.32322330470336, -67.32322330470336], [85.46966991411009, -66.96966991411009], [86.0, -66.75], [86.25, -66.85355339059328], [86.5, -66.75], [86.75, -66.85355339059328], [87.0, -66.75], [87.25, -66.85355339059328], [87.5, -66.75], [87.75, -66.85355339059328], [88.0, -66.75], [88.53033008588991, -66.96966991411009], [88.67677669529664, -67.32322330470336], [88.75, -67.35355339059328], [89.0, -67.25], [89.25, -67.35355339059328], [89.5, -67.25], [90.03033008588991, -67.46966991411009], [90.17677669529664, -67.82322330470336], [90.25, -67.85355339059328], [90.5, -67.75], [91.03033008588991, -67.96966991411009], [91.17677669529664, -68.32322330470336], [91.53033008588991, -68.46966991411009], [91.75, -69.0], [91.53033008588991, -69.53033008588991], [91.17677669529664, -69.67677669529664], [91.03033008588991, -70.03033008588991], [90.5, -70.25], [90.25, -70.14644660940672], [90.0, -70.25], [89.75, -70.14644660940672], [89.5, -70.25], [89.25, -70.14644660940672], [89.0, -70.25], [88.75, -70.14644660940672], [88.5, -70.25], [88.25, -70.14644660940672], [88.17677669529664, -70.17677669529664], [88.03033008588991, -70.53033008588991], [87.5, -70.75], [87.25, -70.64644660940672], [87.0, -70.75], [86.75, -70.64644660940672], [86.5, -70.75], [86.25, -70.64644660940672], [86.17677669529664, -70.67677669529664], [86.03033008588991, -71.03033008588991], [85.5, -71.25], [85.0, -71.04289321881346], [84.67677669529664, -71.17677669529664], [84.64644660940672, -71.25], [84.75, -71.5], [84.53033008588991, -72.03033008588991], [84.0, -72.25], [83.75, -72.14644660940672], [83.67677669529664, -72.17677669529664], [83.53033008588991, -72.53033008588991], [83.0, -72.75], [82.75, -72.64644660940672], [82.5, -72.75], [82.25, -72.64644660940672], [82.0, -72.75], [81.69822330470336, -72.625], [81.53033008588991, -73.03033008588991], [81.0, -73.25], [80.75, -73.14644660940672], [80.5, -73.25], [79.96966991411009, -73.03033008588991], [79.80177669529664, -72.625], [79.5, -72.75], [79.25, -72.64644660940672], [79.17677669529664, -72.67677669529664], [79.03033008588991, -73.03033008588991], [78.5, -73.25], [78.25, -73.14644660940672], [78.0, -73.25], [77.75, -73.14644660940672], [77.5, -73.25], [76.96966991411009, -73.03033008588991], [76.82322330470336, -72.67677669529664], [76.75, -72.64644660940672], [76.5, -72.75], [76.25, -72.64644660940672], [76.0, -72.75], [75.75, -72.64644660940672], [75.5, -72.75], [75.25, -72.64644660940672], [75.0, -72.75], [74.46966991411009, -72.53033008588991], [74.25, -72.0], [74.35355339059328, -71.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.869632080706111}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.738971077049746}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-21.665843471811712, -21.609482612563482, -21.545291966522683]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.005794841915474, -5.44622182577865, -6.663755209367764]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.950619253487352, 8.684776326031663, 8.581517651630193]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.869632080706111, 10.129314399601725, 10.157770995514142]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6803945448038449, 1.6276500494782755, 1.6037861339970028]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.940374158095011, 1.8147186875234116, 1.8265565715089633]}}