{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:03.806902", "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-Mar-09_to_2026-Mar-11_106.5_57.0"}, "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": 2026030001447}, "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": "March 09 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 11 2026"}, "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": 52499.710812991165}, "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": ["E.Siberia"]}, "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": []}, "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": 57.0}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.85, 56.25], [104.75, 56.5], [104.97, 57.03], [105.32, 57.18], [105.47, 57.53], [105.82, 57.68], [105.97, 58.03], [106.32, 58.18], [106.47, 58.53], [106.82, 58.68], [106.97, 59.03], [107.5, 59.25], [108.03, 59.03], [108.18, 58.68], [108.25, 58.65], [108.5, 58.75], [109.03, 58.53], [109.25, 58.0], [109.15, 57.75], [109.25, 57.5], [109.03, 56.97], [108.68, 56.82], [108.65, 56.75], [108.75, 56.5], [108.65, 56.25], [108.75, 56.0], [108.53, 55.47], [108.0, 55.25], [107.75, 55.35], [107.68, 55.32], [107.53, 54.97], [107.0, 54.75], [106.75, 54.85], [106.5, 54.75], [106.25, 54.85], [106.0, 54.75], [105.75, 54.85], [105.5, 54.75], [104.97, 54.97], [104.75, 55.5], [104.85, 55.75], [104.75, 56.0], [104.85, 56.25]]]]}, "2026-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.85, 56.25], [104.75, 56.5], [104.97, 57.03], [105.32, 57.18], [105.47, 57.53], [105.82, 57.68], [105.97, 58.03], [106.32, 58.18], [106.47, 58.53], [106.82, 58.68], [106.97, 59.03], [107.5, 59.25], [108.03, 59.03], [108.18, 58.68], [108.25, 58.65], [108.5, 58.75], [109.03, 58.53], [109.25, 58.0], [109.15, 57.75], [109.25, 57.5], [109.03, 56.97], [108.68, 56.82], [108.65, 56.75], [108.75, 56.5], [108.65, 56.25], [108.75, 56.0], [108.53, 55.47], [108.0, 55.25], [107.75, 55.35], [107.68, 55.32], [107.53, 54.97], [107.0, 54.75], [106.75, 54.85], [106.5, 54.75], [106.25, 54.85], [106.0, 54.75], [105.75, 54.85], [105.5, 54.75], [104.97, 54.97], [104.75, 55.5], [104.85, 55.75], [104.75, 56.0], [104.85, 56.25]]]]}, "2026-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.85, 56.25], [104.75, 56.5], [104.97, 57.03], [105.32, 57.18], [105.47, 57.53], [105.82, 57.68], [105.97, 58.03], [106.32, 58.18], [106.47, 58.53], [106.82, 58.68], [106.97, 59.03], [107.5, 59.25], [108.03, 59.03], [108.18, 58.68], [108.25, 58.65], [108.5, 58.75], [109.03, 58.53], [109.25, 58.0], [109.15, 57.75], [109.25, 57.5], [109.03, 56.97], [108.68, 56.82], [108.65, 56.75], [108.75, 56.5], [108.65, 56.25], [108.75, 56.0], [108.53, 55.47], [108.0, 55.25], [107.75, 55.35], [107.68, 55.32], [107.53, 54.97], [107.0, 54.75], [106.75, 54.85], [106.5, 54.75], [106.25, 54.85], [106.0, 54.75], [105.75, 54.85], [105.5, 54.75], [104.97, 54.97], [104.75, 55.5], [104.85, 55.75], [104.75, 56.0], [104.85, 56.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.040442943104097}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 10.245464925276933}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-4.059268861175838, 0.2718818090295372, -3.2792204087780306]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.9521672566731354, 1.5391606648763059, -1.541831715901651]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.799726674855124, 12.837312188370039, 9.099355912605635]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.835373238892032, 14.040442943104097, 10.410141267128893]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4139589572938325, 2.066653088805169, 1.4803819981201156]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.542748381451894, 2.163673539943729, 1.6959751396800729]}}