{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:43.684923", "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": "2013-Jun-15_to_2013-Jun-19_168.5_73.0"}, "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": 2013060002247}, "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 15 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 19 2013"}, "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": 88722.17536890293}, "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": ["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": ["East Siberian 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": 73.0}, "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": 168.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "168.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 164.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 171.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 69.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 74.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[166.97, 72.47], [166.75, 73.0], [166.97, 73.53], [167.5, 73.75], [167.75, 73.65], [168.0, 73.75], [168.25, 73.65], [168.5, 73.75], [168.75, 73.65], [169.0, 73.75], [169.53, 73.53], [169.75, 73.0], [169.53, 72.47], [169.0, 72.25], [168.75, 72.35], [168.5, 72.25], [168.25, 72.35], [168.0, 72.25], [167.75, 72.35], [167.5, 72.25], [166.97, 72.47]]]]}, "2013-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[166.75, 73.0], [166.97, 73.53], [167.5, 73.75], [167.75, 73.65], [168.0, 73.75], [168.25, 73.65], [168.5, 73.75], [168.75, 73.65], [169.0, 73.75], [169.53, 73.53], [169.75, 73.0], [169.65, 72.75], [169.75, 72.5], [169.53, 71.97], [169.0, 71.75], [168.75, 71.85], [168.5, 71.75], [168.25, 71.85], [168.0, 71.75], [167.47, 71.97], [167.32, 72.32], [166.97, 72.47], [166.75, 73.0]]]]}, "2013-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[164.47, 71.53], [164.82, 71.68], [164.97, 72.03], [165.32, 72.18], [165.35, 72.25], [165.25, 72.5], [165.47, 73.03], [166.0, 73.25], [166.25, 73.15], [166.32, 73.18], [166.47, 73.53], [166.82, 73.68], [166.85, 73.75], [166.75, 74.0], [166.97, 74.53], [167.5, 74.75], [167.75, 74.65], [168.0, 74.75], [168.25, 74.65], [168.5, 74.75], [168.75, 74.65], [169.0, 74.75], [169.53, 74.53], [169.68, 74.18], [169.75, 74.15], [170.0, 74.25], [170.25, 74.15], [170.5, 74.25], [170.75, 74.15], [171.0, 74.25], [171.53, 74.03], [171.75, 73.5], [171.53, 72.97], [171.13, 72.8], [171.25, 72.5], [171.15, 72.25], [171.18, 72.18], [171.53, 72.03], [171.75, 71.5], [171.65, 71.25], [171.68, 71.18], [172.03, 71.03], [172.25, 70.5], [172.03, 69.97], [171.5, 69.75], [171.25, 69.85], [171.0, 69.75], [170.75, 69.85], [170.68, 69.82], [170.65, 69.75], [170.75, 69.5], [170.53, 68.97], [170.0, 68.75], [169.75, 68.85], [169.5, 68.75], [169.25, 68.85], [169.0, 68.75], [168.47, 68.97], [168.32, 69.32], [168.25, 69.35], [168.0, 69.25], [167.75, 69.35], [167.5, 69.25], [167.25, 69.35], [167.0, 69.25], [166.75, 69.35], [166.5, 69.25], [166.25, 69.35], [166.0, 69.25], [165.75, 69.35], [165.5, 69.25], [164.97, 69.47], [164.82, 69.82], [164.47, 69.97], [164.25, 70.5], [164.35, 70.75], [164.25, 71.0], [164.47, 71.53]]]]}, "2013-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[164.47, 71.53], [164.82, 71.68], [164.97, 72.03], [165.32, 72.18], [165.35, 72.25], [165.25, 72.5], [165.47, 73.03], [166.0, 73.25], [166.25, 73.15], [166.32, 73.18], [166.47, 73.53], [166.82, 73.68], [166.85, 73.75], [166.75, 74.0], [166.97, 74.53], [167.5, 74.75], [167.75, 74.65], [168.0, 74.75], [168.25, 74.65], [168.5, 74.75], [168.75, 74.65], [169.0, 74.75], [169.53, 74.53], [169.68, 74.18], [169.75, 74.15], [170.0, 74.25], [170.25, 74.15], [170.5, 74.25], [170.75, 74.15], [171.0, 74.25], [171.53, 74.03], [171.75, 73.5], [171.53, 72.97], [171.13, 72.8], [171.25, 72.5], [171.15, 72.25], [171.18, 72.18], [171.53, 72.03], [171.75, 71.5], [171.65, 71.25], [171.68, 71.18], [172.03, 71.03], [172.25, 70.5], [172.03, 69.97], [171.5, 69.75], [171.25, 69.85], [171.0, 69.75], [170.75, 69.85], [170.68, 69.82], [170.65, 69.75], [170.75, 69.5], [170.53, 68.97], [170.0, 68.75], [169.75, 68.85], [169.5, 68.75], [169.25, 68.85], [169.0, 68.75], [168.47, 68.97], [168.32, 69.32], [168.25, 69.35], [168.0, 69.25], [167.75, 69.35], [167.5, 69.25], [167.25, 69.35], [167.0, 69.25], [166.75, 69.35], [166.5, 69.25], [166.25, 69.35], [166.0, 69.25], [165.75, 69.35], [165.5, 69.25], [164.97, 69.47], [164.82, 69.82], [164.47, 69.97], [164.25, 70.5], [164.35, 70.75], [164.25, 71.0], [164.47, 71.53]]]]}, "2013-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[164.47, 71.53], [164.82, 71.68], [164.97, 72.03], [165.32, 72.18], [165.35, 72.25], [165.25, 72.5], [165.47, 73.03], [166.0, 73.25], [166.25, 73.15], [166.32, 73.18], [166.47, 73.53], [166.82, 73.68], [166.85, 73.75], [166.75, 74.0], [166.97, 74.53], [167.5, 74.75], [167.75, 74.65], [168.0, 74.75], [168.25, 74.65], [168.5, 74.75], [168.75, 74.65], [169.0, 74.75], [169.53, 74.53], [169.68, 74.18], [169.75, 74.15], [170.0, 74.25], [170.25, 74.15], [170.5, 74.25], [170.75, 74.15], [171.0, 74.25], [171.53, 74.03], [171.75, 73.5], [171.53, 72.97], [171.13, 72.8], [171.25, 72.5], [171.15, 72.25], [171.18, 72.18], [171.53, 72.03], [171.75, 71.5], [171.65, 71.25], [171.68, 71.18], [172.03, 71.03], [172.25, 70.5], [172.03, 69.97], [171.5, 69.75], [171.25, 69.85], [171.0, 69.75], [170.75, 69.85], [170.68, 69.82], [170.65, 69.75], [170.75, 69.5], [170.53, 68.97], [170.0, 68.75], [169.75, 68.85], [169.5, 68.75], [169.25, 68.85], [169.0, 68.75], [168.47, 68.97], [168.32, 69.32], [168.25, 69.35], [168.0, 69.25], [167.75, 69.35], [167.5, 69.25], [167.25, 69.35], [167.0, 69.25], [166.75, 69.35], [166.5, 69.25], [166.25, 69.35], [166.0, 69.25], [165.75, 69.35], [165.5, 69.25], [164.97, 69.47], [164.82, 69.82], [164.47, 69.97], [164.25, 70.5], [164.35, 70.75], [164.25, 71.0], [164.47, 71.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.563939904968947}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1618802126450163}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.8452622057830013, 1.6263370381770414, 3.0947016068178073, 3.869990047033127, 3.371169069323628]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.9801299507821568, 1.7171805088623273, 9.438512687471075, 9.946712288018205, 11.15081913479338]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0943621700242119, 0.8306675190909475, 1.8908925931707155, 2.645462648384367, 2.098610242812514]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.221724251195269, 0.9053220482411461, 4.98924737354929, 5.443720054639584, 6.563939904968947]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5884338830030529, 1.176437785868327, 1.6333330830949144, 2.6989493196453815, 1.8408971777680816]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7553006088628407, 1.2121858377394374, 2.1319072983265803, 3.7864651731939425, 2.712363293506603]}}