{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:21.049770", "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": "2021-Jul-07_to_2021-Jul-11_110.0_39.0"}, "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": 2021070001895}, "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 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 315927.2425930869}, "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": ["China", "Mongolia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia"]}, "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": 39.0}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[106.47, 36.47], [106.323, 36.823], [105.97, 36.97], [105.823, 37.323], [105.75, 37.354], [105.5, 37.25], [104.97, 37.47], [104.823, 37.823], [104.75, 37.854], [104.5, 37.75], [103.97, 37.97], [103.75, 38.5], [103.854, 38.75], [103.75, 39.0], [103.854, 39.25], [103.75, 39.5], [103.97, 40.03], [104.323, 40.177], [104.47, 40.53], [104.823, 40.677], [104.854, 40.75], [104.75, 41.0], [104.854, 41.25], [104.75, 41.5], [104.854, 41.75], [104.75, 42.0], [104.97, 42.53], [105.323, 42.677], [105.47, 43.03], [105.823, 43.177], [105.854, 43.25], [105.75, 43.5], [105.97, 44.03], [106.5, 44.25], [106.75, 44.146], [106.823, 44.177], [106.854, 44.25], [106.75, 44.5], [106.97, 45.03], [107.5, 45.25], [107.75, 45.146], [107.823, 45.177], [107.97, 45.53], [108.5, 45.75], [109.03, 45.53], [109.177, 45.177], [109.25, 45.146], [109.5, 45.25], [109.75, 45.146], [110.0, 45.25], [110.25, 45.146], [110.5, 45.25], [111.03, 45.03], [111.177, 44.677], [111.25, 44.646], [111.5, 44.75], [111.75, 44.646], [112.0, 44.75], [112.25, 44.646], [112.5, 44.75], [113.03, 44.53], [113.25, 44.0], [113.146, 43.75], [113.25, 43.5], [113.125, 43.198], [113.53, 43.03], [113.75, 42.5], [113.646, 42.25], [113.75, 42.0], [113.53, 41.47], [113.177, 41.323], [113.03, 40.97], [112.5, 40.75], [112.0, 40.957], [111.5, 40.75], [111.25, 40.854], [111.0, 40.75], [110.47, 40.97], [110.25, 41.5], [110.354, 41.75], [110.323, 41.823], [110.25, 41.854], [110.0, 41.75], [109.75, 41.854], [109.5, 41.75], [109.25, 41.854], [109.177, 41.823], [109.03, 41.47], [108.677, 41.323], [108.543, 41.0], [108.75, 40.5], [108.646, 40.25], [108.75, 40.0], [108.573, 39.573], [109.0, 39.75], [109.25, 39.646], [109.5, 39.75], [109.75, 39.646], [110.0, 39.75], [110.53, 39.53], [110.75, 39.0], [110.646, 38.75], [110.75, 38.5], [110.646, 38.25], [110.75, 38.0], [110.646, 37.75], [110.75, 37.5], [110.53, 36.97], [110.0, 36.75], [109.75, 36.854], [109.5, 36.75], [109.25, 36.854], [109.0, 36.75], [108.75, 36.854], [108.5, 36.75], [108.198, 36.875], [108.03, 36.47], [107.5, 36.25], [107.25, 36.354], [107.0, 36.25], [106.47, 36.47]], [[107.927, 38.927], [107.625, 38.802], [107.677, 38.677], [107.75, 38.646], [107.823, 38.677], [107.927, 38.927]], [[108.427, 39.427], [108.177, 39.323], [108.073, 39.073], [108.323, 39.177], [108.427, 39.427]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "E.C.Asia", "E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-07-07T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[106.25, 37.0], [106.46966991411009, 37.53033008588991], [107.0, 37.75], [107.53033008588991, 37.53033008588991], [107.75, 37.0], [107.53033008588991, 36.46966991411009], [107.0, 36.25], [106.46966991411009, 36.46966991411009], [106.25, 37.0]]]}, "2021-07-08T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[103.85355339059328, 38.75], [103.75, 39.0], [103.85355339059328, 39.25], [103.75, 39.5], [103.96966991411009, 40.03033008588991], [104.32322330470336, 40.17677669529664], [104.46966991411009, 40.53033008588991], [104.82322330470336, 40.67677669529664], [104.85355339059328, 40.75], [104.75, 41.0], [104.85355339059328, 41.25], [104.75, 41.5], [104.85355339059328, 41.75], [104.75, 42.0], [104.96966991411009, 42.53033008588991], [105.32322330470336, 42.67677669529664], [105.46966991411009, 43.03033008588991], [105.82322330470336, 43.17677669529664], [105.85355339059328, 43.25], [105.75, 43.5], [105.96966991411009, 44.03033008588991], [106.5, 44.25], [106.75, 44.14644660940672], [106.82322330470336, 44.17677669529664], [106.85355339059328, 44.25], [106.75, 44.5], [106.96966991411009, 45.03033008588991], [107.5, 45.25], [107.75, 45.14644660940672], [107.82322330470336, 45.17677669529664], [107.96966991411009, 45.53033008588991], [108.5, 45.75], [109.03033008588991, 45.53033008588991], [109.17677669529664, 45.17677669529664], [109.25, 45.14644660940672], [109.5, 45.25], [109.75, 45.14644660940672], [110.0, 45.25], [110.25, 45.14644660940672], [110.5, 45.25], [111.03033008588991, 45.03033008588991], [111.25, 44.5], [111.03033008588991, 43.96966991411009], [110.5, 43.75], [110.25, 43.85355339059328], [110.17677669529664, 43.82322330470336], [110.03033008588991, 43.46966991411009], [109.67677669529664, 43.32322330470336], [109.53033008588991, 42.96966991411009], [109.17677669529664, 42.82322330470336], [109.14644660940672, 42.75], [109.25, 42.5], [109.14644660940672, 42.25], [109.25, 42.0], [109.03033008588991, 41.46966991411009], [108.67677669529664, 41.32322330470336], [108.54289321881346, 41.0], [108.75, 40.5], [108.64644660940672, 40.25], [108.75, 40.0], [108.57322330470336, 39.57322330470336], [109.0, 39.75], [109.25, 39.64644660940672], [109.5, 39.75], [109.75, 39.64644660940672], [110.0, 39.75], [110.53033008588991, 39.53033008588991], [110.75, 39.0], [110.64644660940672, 38.75], [110.75, 38.5], [110.64644660940672, 38.25], [110.75, 38.0], [110.64644660940672, 37.75], [110.75, 37.5], [110.53033008588991, 36.96966991411009], [110.0, 36.75], [109.75, 36.85355339059328], [109.5, 36.75], [109.25, 36.85355339059328], [109.0, 36.75], [108.75, 36.85355339059328], [108.5, 36.75], [108.19822330470336, 36.875], [108.03033008588991, 36.46966991411009], [107.5, 36.25], [107.25, 36.35355339059328], [107.0, 36.25], [106.46966991411009, 36.46966991411009], [106.32322330470336, 36.82322330470336], [105.96966991411009, 36.96966991411009], [105.82322330470336, 37.32322330470336], [105.75, 37.35355339059328], [105.5, 37.25], [104.96966991411009, 37.46966991411009], [104.82322330470336, 37.82322330470336], [104.75, 37.85355339059328], [104.5, 37.75], [103.96966991411009, 37.96966991411009], [103.75, 38.5], [103.85355339059328, 38.75]], [[107.67677669529664, 38.67677669529664], [107.75, 38.64644660940672], [107.82322330470336, 38.67677669529664], [107.92677669529664, 38.92677669529664], [107.625, 38.80177669529664], [107.67677669529664, 38.67677669529664]], [[108.17677669529664, 39.32322330470336], [108.07322330470336, 39.07322330470336], [108.32322330470336, 39.17677669529664], [108.42677669529664, 39.42677669529664], [108.17677669529664, 39.32322330470336]]]}, "2021-07-09T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[103.85355339059328, 38.75], [103.75, 39.0], [103.85355339059328, 39.25], [103.75, 39.5], [103.96966991411009, 40.03033008588991], [104.32322330470336, 40.17677669529664], [104.46966991411009, 40.53033008588991], [104.82322330470336, 40.67677669529664], [104.85355339059328, 40.75], [104.75, 41.0], [104.85355339059328, 41.25], [104.75, 41.5], [104.85355339059328, 41.75], [104.75, 42.0], [104.96966991411009, 42.53033008588991], [105.32322330470336, 42.67677669529664], [105.46966991411009, 43.03033008588991], [105.82322330470336, 43.17677669529664], [105.85355339059328, 43.25], [105.75, 43.5], [105.96966991411009, 44.03033008588991], [106.5, 44.25], [106.75, 44.14644660940672], [106.82322330470336, 44.17677669529664], [106.85355339059328, 44.25], [106.75, 44.5], [106.96966991411009, 45.03033008588991], [107.5, 45.25], [107.75, 45.14644660940672], [107.82322330470336, 45.17677669529664], [107.96966991411009, 45.53033008588991], [108.5, 45.75], [109.03033008588991, 45.53033008588991], [109.17677669529664, 45.17677669529664], [109.25, 45.14644660940672], [109.5, 45.25], [109.75, 45.14644660940672], [110.0, 45.25], [110.25, 45.14644660940672], [110.5, 45.25], [111.03033008588991, 45.03033008588991], [111.17677669529664, 44.67677669529664], [111.25, 44.64644660940672], [111.5, 44.75], [111.75, 44.64644660940672], [112.0, 44.75], [112.25, 44.64644660940672], [112.5, 44.75], [113.03033008588991, 44.53033008588991], [113.25, 44.0], [113.14644660940672, 43.75], [113.25, 43.5], [113.125, 43.19822330470336], [113.53033008588991, 43.03033008588991], [113.75, 42.5], [113.64644660940672, 42.25], [113.75, 42.0], [113.53033008588991, 41.46966991411009], [113.17677669529664, 41.32322330470336], [113.03033008588991, 40.96966991411009], [112.5, 40.75], [112.0, 40.957106781186546], [111.5, 40.75], [111.25, 40.85355339059328], [111.0, 40.75], [110.46966991411009, 40.96966991411009], [110.25, 41.5], [110.35355339059328, 41.75], [110.32322330470336, 41.82322330470336], [110.25, 41.85355339059328], [110.0, 41.75], [109.75, 41.85355339059328], [109.5, 41.75], [109.25, 41.85355339059328], [109.17677669529664, 41.82322330470336], [109.03033008588991, 41.46966991411009], [108.67677669529664, 41.32322330470336], [108.54289321881346, 41.0], [108.75, 40.5], [108.64644660940672, 40.25], [108.75, 40.0], [108.57322330470336, 39.57322330470336], [109.0, 39.75], [109.25, 39.64644660940672], [109.5, 39.75], [109.75, 39.64644660940672], [110.0, 39.75], [110.53033008588991, 39.53033008588991], [110.75, 39.0], [110.64644660940672, 38.75], [110.75, 38.5], [110.64644660940672, 38.25], [110.75, 38.0], [110.64644660940672, 37.75], [110.75, 37.5], [110.53033008588991, 36.96966991411009], [110.0, 36.75], [109.75, 36.85355339059328], [109.5, 36.75], [109.25, 36.85355339059328], [109.0, 36.75], [108.75, 36.85355339059328], [108.5, 36.75], [108.19822330470336, 36.875], [108.03033008588991, 36.46966991411009], [107.5, 36.25], [107.25, 36.35355339059328], [107.0, 36.25], [106.46966991411009, 36.46966991411009], [106.32322330470336, 36.82322330470336], [105.96966991411009, 36.96966991411009], [105.82322330470336, 37.32322330470336], [105.75, 37.35355339059328], [105.5, 37.25], [104.96966991411009, 37.46966991411009], [104.82322330470336, 37.82322330470336], [104.75, 37.85355339059328], [104.5, 37.75], [103.96966991411009, 37.96966991411009], [103.75, 38.5], [103.85355339059328, 38.75]], [[107.67677669529664, 38.67677669529664], [107.75, 38.64644660940672], [107.82322330470336, 38.67677669529664], [107.92677669529664, 38.92677669529664], [107.625, 38.80177669529664], [107.67677669529664, 38.67677669529664]], [[108.17677669529664, 39.32322330470336], [108.07322330470336, 39.07322330470336], [108.32322330470336, 39.17677669529664], [108.42677669529664, 39.42677669529664], [108.17677669529664, 39.32322330470336]]]}, "2021-07-10T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[103.85355339059328, 38.75], [103.75, 39.0], [103.85355339059328, 39.25], [103.75, 39.5], [103.96966991411009, 40.03033008588991], [104.32322330470336, 40.17677669529664], [104.46966991411009, 40.53033008588991], [104.82322330470336, 40.67677669529664], [104.85355339059328, 40.75], [104.75, 41.0], [104.85355339059328, 41.25], [104.75, 41.5], [104.85355339059328, 41.75], [104.75, 42.0], [104.96966991411009, 42.53033008588991], [105.32322330470336, 42.67677669529664], [105.46966991411009, 43.03033008588991], [105.82322330470336, 43.17677669529664], [105.85355339059328, 43.25], [105.75, 43.5], [105.96966991411009, 44.03033008588991], [106.5, 44.25], [106.75, 44.14644660940672], [106.82322330470336, 44.17677669529664], [106.85355339059328, 44.25], [106.75, 44.5], [106.96966991411009, 45.03033008588991], [107.5, 45.25], [107.75, 45.14644660940672], [107.82322330470336, 45.17677669529664], [107.96966991411009, 45.53033008588991], [108.5, 45.75], [109.03033008588991, 45.53033008588991], [109.17677669529664, 45.17677669529664], [109.25, 45.14644660940672], [109.5, 45.25], [109.75, 45.14644660940672], [110.0, 45.25], [110.25, 45.14644660940672], [110.5, 45.25], [111.03033008588991, 45.03033008588991], [111.17677669529664, 44.67677669529664], [111.25, 44.64644660940672], [111.5, 44.75], [111.75, 44.64644660940672], [112.0, 44.75], [112.25, 44.64644660940672], [112.5, 44.75], [113.03033008588991, 44.53033008588991], [113.25, 44.0], [113.14644660940672, 43.75], [113.25, 43.5], [113.125, 43.19822330470336], [113.53033008588991, 43.03033008588991], [113.75, 42.5], [113.64644660940672, 42.25], [113.75, 42.0], [113.53033008588991, 41.46966991411009], [113.17677669529664, 41.32322330470336], [113.03033008588991, 40.96966991411009], [112.5, 40.75], [112.0, 40.957106781186546], [111.5, 40.75], [111.25, 40.85355339059328], [111.0, 40.75], [110.46966991411009, 40.96966991411009], [110.25, 41.5], [110.35355339059328, 41.75], [110.32322330470336, 41.82322330470336], [110.25, 41.85355339059328], [110.0, 41.75], [109.75, 41.85355339059328], [109.5, 41.75], [109.25, 41.85355339059328], [109.17677669529664, 41.82322330470336], [109.03033008588991, 41.46966991411009], [108.67677669529664, 41.32322330470336], [108.54289321881346, 41.0], [108.75, 40.5], [108.64644660940672, 40.25], [108.75, 40.0], [108.57322330470336, 39.57322330470336], [109.0, 39.75], [109.25, 39.64644660940672], [109.5, 39.75], [109.75, 39.64644660940672], [110.0, 39.75], [110.53033008588991, 39.53033008588991], [110.75, 39.0], [110.64644660940672, 38.75], [110.75, 38.5], [110.64644660940672, 38.25], [110.75, 38.0], [110.64644660940672, 37.75], [110.75, 37.5], [110.53033008588991, 36.96966991411009], [110.0, 36.75], [109.75, 36.85355339059328], [109.5, 36.75], [109.25, 36.85355339059328], [109.0, 36.75], [108.75, 36.85355339059328], [108.5, 36.75], [108.19822330470336, 36.875], [108.03033008588991, 36.46966991411009], [107.5, 36.25], [106.96966991411009, 36.46966991411009], [106.82322330470336, 36.82322330470336], [106.75, 36.85355339059328], [106.5, 36.75], [105.96966991411009, 36.96966991411009], [105.82322330470336, 37.32322330470336], [105.75, 37.35355339059328], [105.5, 37.25], [104.96966991411009, 37.46966991411009], [104.82322330470336, 37.82322330470336], [104.75, 37.85355339059328], [104.5, 37.75], [103.96966991411009, 37.96966991411009], [103.75, 38.5], [103.85355339059328, 38.75]], [[107.67677669529664, 38.67677669529664], [107.75, 38.64644660940672], [107.82322330470336, 38.67677669529664], [107.92677669529664, 38.92677669529664], [107.625, 38.80177669529664], [107.67677669529664, 38.67677669529664]], [[108.17677669529664, 39.32322330470336], [108.07322330470336, 39.07322330470336], [108.32322330470336, 39.17677669529664], [108.42677669529664, 39.42677669529664], [108.17677669529664, 39.32322330470336]]]}, "2021-07-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[107.35355339059328, 43.25], [107.25, 43.5], [107.46966991411009, 44.03033008588991], [107.82322330470336, 44.17677669529664], [107.96966991411009, 44.53033008588991], [108.32322330470336, 44.67677669529664], [108.46966991411009, 45.03033008588991], [109.0, 45.25], [109.25, 45.14644660940672], [109.5, 45.25], [109.75, 45.14644660940672], [110.0, 45.25], [110.25, 45.14644660940672], [110.5, 45.25], [111.03033008588991, 45.03033008588991], [111.17677669529664, 44.67677669529664], [111.25, 44.64644660940672], [111.5, 44.75], [111.75, 44.64644660940672], [112.0, 44.75], [112.25, 44.64644660940672], [112.5, 44.75], [113.03033008588991, 44.53033008588991], [113.25, 44.0], [113.14644660940672, 43.75], [113.25, 43.5], [113.125, 43.19822330470336], [113.53033008588991, 43.03033008588991], [113.75, 42.5], [113.64644660940672, 42.25], [113.75, 42.0], [113.53033008588991, 41.46966991411009], [113.17677669529664, 41.32322330470336], [113.03033008588991, 40.96966991411009], [112.5, 40.75], [112.0, 40.957106781186546], [111.5, 40.75], [111.25, 40.85355339059328], [111.0, 40.75], [110.46966991411009, 40.96966991411009], [110.25, 41.5], [110.35355339059328, 41.75], [110.32322330470336, 41.82322330470336], [110.25, 41.85355339059328], [110.0, 41.75], [109.75, 41.85355339059328], [109.5, 41.75], [109.25, 41.85355339059328], [109.0, 41.75], [108.46966991411009, 41.96966991411009], [108.32322330470336, 42.32322330470336], [108.25, 42.35355339059328], [108.0, 42.25], [107.46966991411009, 42.46966991411009], [107.25, 43.0], [107.35355339059328, 43.25]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.843148565861043}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.21226981158542}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.701330051442767, 28.93382695123296, 30.20960873571761, 28.999693254039187, 28.64714607460735]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.701330051442767, 32.386956579414914, 34.31154558991676, 32.37033523943302, 31.53748448677362]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3539871129372045, 4.752098075838126, 6.1671707280605546, 4.86166796793531, 4.4727297167580495]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3539871129372045, 6.8760687762321595, 7.843148565861043, 7.277898652536237, 5.383091978554205]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2850401116015633, 1.5372690803992899, 2.0248692171204157, 1.6528859646871195, 1.5655574202610523]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2850401116015633, 1.9254998671669772, 2.741769574802342, 2.583414701084368, 1.861136260619482]}}