{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-05 05:28:51.310271", "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": "2026-Jul-23_to_2026-Jul-28_104.5_79.0"}, "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": 2026070002283}, "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": true}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "July 23 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2026"}, "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": 72000.449921719}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arctic-Ocean", "Russian-Arctic"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["Arctic Ocean", "Laptev Sea"]}, "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": 79.0}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 101.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 78.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 81.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.97, 79.97], [109.75, 80.5], [109.97, 81.03], [110.5, 81.25], [110.75, 81.15], [111.0, 81.25], [111.25, 81.15], [111.5, 81.25], [111.75, 81.15], [112.0, 81.25], [112.25, 81.15], [112.5, 81.25], [113.03, 81.03], [113.25, 80.5], [113.03, 79.97], [112.5, 79.75], [112.25, 79.85], [112.0, 79.75], [111.75, 79.85], [111.5, 79.75], [111.25, 79.85], [111.0, 79.75], [110.75, 79.85], [110.5, 79.75], [109.97, 79.97]]]]}, "2026-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.47, 78.47], [101.25, 79.0], [101.47, 79.53], [102.0, 79.75], [102.25, 79.65], [102.5, 79.75], [102.75, 79.65], [103.0, 79.75], [103.25, 79.65], [103.5, 79.75], [103.75, 79.65], [104.0, 79.75], [104.25, 79.65], [104.5, 79.75], [104.75, 79.65], [105.0, 79.75], [105.25, 79.65], [105.5, 79.75], [105.75, 79.65], [105.82, 79.68], [105.96, 80.0], [105.75, 80.5], [105.97, 81.03], [106.5, 81.25], [106.75, 81.15], [107.0, 81.25], [107.25, 81.15], [107.5, 81.25], [107.75, 81.15], [108.0, 81.25], [108.25, 81.15], [108.5, 81.25], [108.75, 81.15], [109.0, 81.25], [109.25, 81.15], [109.5, 81.25], [109.75, 81.15], [110.0, 81.25], [110.25, 81.15], [110.5, 81.25], [110.75, 81.15], [111.0, 81.25], [111.25, 81.15], [111.5, 81.25], [111.75, 81.15], [112.0, 81.25], [112.25, 81.15], [112.5, 81.25], [112.75, 81.15], [113.0, 81.25], [113.25, 81.15], [113.5, 81.25], [113.75, 81.15], [114.0, 81.25], [114.25, 81.15], [114.5, 81.25], [114.75, 81.15], [114.82, 81.18], [114.97, 81.53], [115.5, 81.75], [115.75, 81.65], [116.0, 81.75], [116.25, 81.65], [116.5, 81.75], [116.75, 81.65], [117.0, 81.75], [117.25, 81.65], [117.5, 81.75], [117.75, 81.65], [118.0, 81.75], [118.25, 81.65], [118.5, 81.75], [118.75, 81.65], [119.0, 81.75], [119.25, 81.65], [119.5, 81.75], [119.75, 81.65], [120.0, 81.75], [120.25, 81.65], [120.5, 81.75], [120.75, 81.65], [121.0, 81.75], [121.25, 81.65], [121.5, 81.75], [121.75, 81.65], [122.0, 81.75], [122.25, 81.65], [122.5, 81.75], [122.75, 81.65], [123.0, 81.75], [123.25, 81.65], [123.5, 81.75], [123.75, 81.65], [124.0, 81.75], [124.53, 81.53], [124.75, 81.0], [124.53, 80.47], [124.18, 80.32], [124.15, 80.25], [124.25, 80.0], [124.03, 79.47], [123.5, 79.25], [123.25, 79.35], [123.0, 79.25], [122.75, 79.35], [122.5, 79.25], [122.25, 79.35], [122.0, 79.25], [121.5, 79.46], [121.18, 79.32], [121.03, 78.97], [120.5, 78.75], [120.25, 78.85], [120.0, 78.75], [119.75, 78.85], [119.5, 78.75], [119.25, 78.85], [119.0, 78.75], [118.75, 78.85], [118.5, 78.75], [118.25, 78.85], [118.0, 78.75], [117.75, 78.85], [117.5, 78.75], [117.25, 78.85], [117.0, 78.75], [116.75, 78.85], [116.5, 78.75], [116.25, 78.85], [116.0, 78.75], [115.75, 78.85], [115.5, 78.75], [115.25, 78.85], [115.0, 78.75], [114.75, 78.85], [114.68, 78.82], [114.53, 78.47], [114.0, 78.25], [113.47, 78.47], [113.32, 78.82], [113.25, 78.85], [113.0, 78.75], [112.75, 78.85], [112.5, 78.75], [112.25, 78.85], [112.0, 78.75], [111.75, 78.85], [111.5, 78.75], [111.25, 78.85], [111.0, 78.75], [110.75, 78.85], [110.5, 78.75], [110.25, 78.85], [110.0, 78.75], [109.75, 78.85], [109.5, 78.75], [109.25, 78.85], [109.0, 78.75], [108.75, 78.85], [108.5, 78.75], [108.25, 78.85], [108.0, 78.75], [107.75, 78.85], [107.68, 78.82], [107.65, 78.75], [107.75, 78.5], [107.53, 77.97], [107.0, 77.75], [106.75, 77.85], [106.5, 77.75], [106.25, 77.85], [106.0, 77.75], [105.75, 77.85], [105.5, 77.75], [105.25, 77.85], [105.0, 77.75], [104.75, 77.85], [104.5, 77.75], [103.97, 77.97], [103.82, 78.32], [103.75, 78.35], [103.5, 78.25], [103.25, 78.35], [103.0, 78.25], [102.75, 78.35], [102.5, 78.25], [102.25, 78.35], [102.0, 78.25], [101.47, 78.47]]]]}, "2026-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.47, 78.47], [101.25, 79.0], [101.47, 79.53], [102.0, 79.75], [102.25, 79.65], [102.5, 79.75], [102.75, 79.65], [103.0, 79.75], [103.25, 79.65], [103.5, 79.75], [103.75, 79.65], [104.0, 79.75], [104.25, 79.65], [104.5, 79.75], [104.75, 79.65], [105.0, 79.75], [105.25, 79.65], [105.5, 79.75], [105.75, 79.65], [105.82, 79.68], [105.96, 80.0], [105.75, 80.5], [105.97, 81.03], [106.5, 81.25], [106.75, 81.15], [107.0, 81.25], [107.25, 81.15], [107.5, 81.25], [107.75, 81.15], [108.0, 81.25], [108.25, 81.15], [108.5, 81.25], [108.75, 81.15], [109.0, 81.25], [109.25, 81.15], [109.5, 81.25], [109.75, 81.15], [110.0, 81.25], [110.25, 81.15], [110.5, 81.25], [110.75, 81.15], [111.0, 81.25], [111.25, 81.15], [111.5, 81.25], [111.75, 81.15], [112.0, 81.25], [112.25, 81.15], [112.5, 81.25], [112.75, 81.15], [113.0, 81.25], [113.25, 81.15], [113.5, 81.25], [113.75, 81.15], [114.0, 81.25], [114.25, 81.15], [114.5, 81.25], [114.75, 81.15], [114.82, 81.18], [114.97, 81.53], [115.5, 81.75], [115.75, 81.65], [116.0, 81.75], [116.25, 81.65], [116.5, 81.75], [116.75, 81.65], [117.0, 81.75], [117.25, 81.65], [117.5, 81.75], [117.75, 81.65], [118.0, 81.75], [118.25, 81.65], [118.5, 81.75], [118.75, 81.65], [119.0, 81.75], [119.25, 81.65], [119.5, 81.75], [119.75, 81.65], [120.0, 81.75], [120.25, 81.65], [120.5, 81.75], [120.75, 81.65], [121.0, 81.75], [121.25, 81.65], [121.5, 81.75], [121.75, 81.65], [122.0, 81.75], [122.25, 81.65], [122.5, 81.75], [122.75, 81.65], [123.0, 81.75], [123.25, 81.65], [123.5, 81.75], [123.75, 81.65], [124.0, 81.75], [124.53, 81.53], [124.75, 81.0], [124.53, 80.47], [124.18, 80.32], [124.15, 80.25], [124.25, 80.0], [124.03, 79.47], [123.5, 79.25], [123.25, 79.35], [123.0, 79.25], [122.75, 79.35], [122.5, 79.25], [122.25, 79.35], [122.0, 79.25], [121.5, 79.46], [121.18, 79.32], [121.03, 78.97], [120.5, 78.75], [120.25, 78.85], [120.0, 78.75], [119.75, 78.85], [119.5, 78.75], [119.25, 78.85], [119.0, 78.75], [118.75, 78.85], [118.5, 78.75], [118.25, 78.85], [118.0, 78.75], [117.75, 78.85], [117.5, 78.75], [117.25, 78.85], [117.0, 78.75], [116.75, 78.85], [116.5, 78.75], [116.25, 78.85], [116.0, 78.75], [115.75, 78.85], [115.5, 78.75], [115.25, 78.85], [115.0, 78.75], [114.75, 78.85], [114.68, 78.82], [114.53, 78.47], [114.0, 78.25], [113.47, 78.47], [113.32, 78.82], [113.25, 78.85], [113.0, 78.75], [112.75, 78.85], [112.5, 78.75], [112.25, 78.85], [112.0, 78.75], [111.75, 78.85], [111.5, 78.75], [111.25, 78.85], [111.0, 78.75], [110.75, 78.85], [110.5, 78.75], [110.25, 78.85], [110.0, 78.75], [109.75, 78.85], [109.5, 78.75], [109.25, 78.85], [109.0, 78.75], [108.75, 78.85], [108.5, 78.75], [108.25, 78.85], [108.13, 78.8], [108.25, 78.5], [108.03, 77.97], [107.5, 77.75], [107.25, 77.85], [107.0, 77.75], [106.75, 77.85], [106.5, 77.75], [106.25, 77.85], [106.0, 77.75], [105.75, 77.85], [105.5, 77.75], [105.25, 77.85], [105.0, 77.75], [104.75, 77.85], [104.5, 77.75], [103.97, 77.97], [103.82, 78.32], [103.75, 78.35], [103.5, 78.25], [103.25, 78.35], [103.0, 78.25], [102.75, 78.35], [102.5, 78.25], [102.25, 78.35], [102.0, 78.25], [101.47, 78.47]]]]}, "2026-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[101.47, 78.47], [101.25, 79.0], [101.47, 79.53], [102.0, 79.75], [102.25, 79.65], [102.5, 79.75], [102.75, 79.65], [103.0, 79.75], [103.25, 79.65], [103.5, 79.75], [103.75, 79.65], [104.0, 79.75], [104.25, 79.65], [104.5, 79.75], [104.75, 79.65], [105.0, 79.75], [105.25, 79.65], [105.5, 79.75], [105.75, 79.65], [105.82, 79.68], [105.96, 80.0], [105.75, 80.5], [105.97, 81.03], [106.5, 81.25], [106.75, 81.15], [107.0, 81.25], [107.25, 81.15], [107.5, 81.25], [107.75, 81.15], [108.0, 81.25], [108.25, 81.15], [108.5, 81.25], [108.75, 81.15], [109.0, 81.25], [109.25, 81.15], [109.5, 81.25], [109.75, 81.15], [110.0, 81.25], [110.25, 81.15], [110.5, 81.25], [110.75, 81.15], [111.0, 81.25], [111.25, 81.15], [111.5, 81.25], [111.75, 81.15], [112.0, 81.25], [112.25, 81.15], [112.5, 81.25], [112.75, 81.15], [113.0, 81.25], [113.25, 81.15], [113.5, 81.25], [113.75, 81.15], [114.0, 81.25], [114.25, 81.15], [114.5, 81.25], [114.75, 81.15], [114.82, 81.18], [114.97, 81.53], [115.5, 81.75], [115.75, 81.65], [116.0, 81.75], [116.25, 81.65], [116.5, 81.75], [116.75, 81.65], [117.0, 81.75], [117.25, 81.65], [117.5, 81.75], [117.75, 81.65], [118.0, 81.75], [118.25, 81.65], [118.5, 81.75], [118.75, 81.65], [119.0, 81.75], [119.25, 81.65], [119.5, 81.75], [119.75, 81.65], [120.0, 81.75], [120.25, 81.65], [120.5, 81.75], [120.75, 81.65], [121.0, 81.75], [121.25, 81.65], [121.5, 81.75], [121.75, 81.65], [122.0, 81.75], [122.25, 81.65], [122.5, 81.75], [122.75, 81.65], [123.0, 81.75], [123.25, 81.65], [123.5, 81.75], [123.75, 81.65], [124.0, 81.75], [124.53, 81.53], [124.75, 81.0], [124.53, 80.47], [124.18, 80.32], [124.15, 80.25], [124.25, 80.0], [124.03, 79.47], [123.5, 79.25], [123.25, 79.35], [123.0, 79.25], [122.75, 79.35], [122.5, 79.25], [122.25, 79.35], [122.0, 79.25], [121.5, 79.46], [121.18, 79.32], [121.03, 78.97], [120.5, 78.75], [120.25, 78.85], [120.0, 78.75], [119.75, 78.85], [119.5, 78.75], [119.25, 78.85], [119.0, 78.75], [118.75, 78.85], [118.5, 78.75], [118.25, 78.85], [118.0, 78.75], [117.75, 78.85], [117.5, 78.75], [117.25, 78.85], [117.0, 78.75], [116.75, 78.85], [116.5, 78.75], [116.25, 78.85], [116.0, 78.75], [115.75, 78.85], [115.5, 78.75], [115.25, 78.85], [115.0, 78.75], [114.75, 78.85], [114.68, 78.82], [114.53, 78.47], [114.0, 78.25], [113.47, 78.47], [113.32, 78.82], [113.25, 78.85], [113.0, 78.75], [112.75, 78.85], [112.5, 78.75], [112.25, 78.85], [112.0, 78.75], [111.75, 78.85], [111.5, 78.75], [111.25, 78.85], [111.0, 78.75], [110.75, 78.85], [110.5, 78.75], [110.25, 78.85], [110.0, 78.75], [109.75, 78.85], [109.5, 78.75], [109.25, 78.85], [109.0, 78.75], [108.75, 78.85], [108.5, 78.75], [108.25, 78.85], [108.13, 78.8], [108.25, 78.5], [108.03, 77.97], [107.5, 77.75], [107.25, 77.85], [107.0, 77.75], [106.75, 77.85], [106.5, 77.75], [106.25, 77.85], [106.0, 77.75], [105.75, 77.85], [105.5, 77.75], [105.25, 77.85], [105.0, 77.75], [104.75, 77.85], [104.5, 77.75], [103.97, 77.97], [103.82, 78.32], [103.75, 78.35], [103.5, 78.25], [103.25, 78.35], [103.0, 78.25], [102.75, 78.35], [102.5, 78.25], [102.25, 78.35], [102.0, 78.25], [101.47, 78.47]]]]}, "2026-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, 78.47], [103.75, 79.0], [103.97, 79.53], [104.5, 79.75], [104.75, 79.65], [105.0, 79.75], [105.53, 79.53], [105.7, 79.13], [106.0, 79.25], [106.25, 79.15], [106.5, 79.25], [106.75, 79.15], [107.0, 79.25], [107.25, 79.15], [107.5, 79.25], [108.03, 79.03], [108.25, 78.5], [108.03, 77.97], [107.5, 77.75], [107.25, 77.85], [107.0, 77.75], [106.75, 77.85], [106.5, 77.75], [106.25, 77.85], [106.0, 77.75], [105.47, 77.97], [105.3, 78.38], [105.0, 78.25], [104.75, 78.35], [104.5, 78.25], [103.97, 78.47]]]]}, "2026-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, 78.47], [103.75, 79.0], [103.97, 79.53], [104.5, 79.75], [104.75, 79.65], [105.0, 79.75], [105.53, 79.53], [105.7, 79.13], [106.0, 79.25], [106.25, 79.15], [106.5, 79.25], [106.75, 79.15], [107.0, 79.25], [107.25, 79.15], [107.5, 79.25], [108.03, 79.03], [108.25, 78.5], [108.03, 77.97], [107.5, 77.75], [107.25, 77.85], [107.0, 77.75], [106.75, 77.85], [106.5, 77.75], [106.25, 77.85], [106.0, 77.75], [105.47, 77.97], [105.3, 78.38], [105.0, 78.25], [104.75, 78.35], [104.5, 78.25], [103.97, 78.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.185654568853465}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6117111284318555}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.2461265563965753, 1.6332730133132713, 2.612798328304791, 2.9265104910627997, 2.1139376322428802, 2.5156786600749115]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.2980959574381927, 4.727347310384118, 9.42934061686202, 7.80085398356124, 2.4853975931803802, 3.427381134033226]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.5035046852813252, 0.8585057539336844, 1.8484112500321324, 2.1832250201893926, 1.1777485998207833, 1.6151185293867059]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.5326162099539715, 3.47546057610424, 8.185654568853465, 6.5146306668472675, 1.5393010292492022, 2.5282732911319954]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2190427804189734, 1.4902759531616263, 3.1876234860316344, 3.893891400013536, 1.3709618735745475, 1.8287568407306232]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2733980416529824, 2.1976401867286577, 4.138741602672081, 4.582732131574081, 1.4262587619359448, 2.319188447649341]}}