{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:08.519443", "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": "2019-Jul-02_to_2019-Jul-06_60.0_69.0"}, "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": 2019070001462}, "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 02 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 06 2019"}, "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": 112325.69371001067}, "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": ["Barentsz Sea", "Kara 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": 69.0}, "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": 60.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "60.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 63.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 66.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 70.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 67.75], [47.53, 67.53], [47.75, 67.0], [47.53, 66.47], [47.0, 66.25], [46.47, 66.47], [46.25, 67.0], [46.47, 67.53], [47.0, 67.75]]]]}, "2019-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.75, 68.0], [46.96, 68.5], [46.75, 69.0], [46.97, 69.53], [47.5, 69.75], [47.75, 69.65], [48.0, 69.75], [48.53, 69.53], [48.68, 69.18], [48.75, 69.15], [49.0, 69.25], [49.25, 69.15], [49.5, 69.25], [49.75, 69.15], [49.82, 69.18], [49.97, 69.53], [50.5, 69.75], [50.75, 69.65], [51.0, 69.75], [51.25, 69.65], [51.5, 69.75], [51.75, 69.65], [52.0, 69.75], [52.25, 69.65], [52.5, 69.75], [52.75, 69.65], [53.0, 69.75], [53.25, 69.65], [53.5, 69.75], [53.75, 69.65], [54.0, 69.75], [54.25, 69.65], [54.5, 69.75], [54.75, 69.65], [54.82, 69.68], [54.97, 70.03], [55.5, 70.25], [55.75, 70.15], [56.0, 70.25], [56.25, 70.15], [56.32, 70.18], [56.47, 70.53], [57.0, 70.75], [57.25, 70.65], [57.5, 70.75], [57.75, 70.65], [58.0, 70.75], [58.25, 70.65], [58.5, 70.75], [59.03, 70.53], [59.18, 70.18], [59.25, 70.15], [59.5, 70.25], [59.75, 70.15], [59.82, 70.18], [59.97, 70.53], [60.5, 70.75], [61.0, 70.54], [61.5, 70.75], [61.75, 70.65], [62.0, 70.75], [62.25, 70.65], [62.5, 70.75], [62.75, 70.65], [63.0, 70.75], [63.53, 70.53], [63.75, 70.0], [63.53, 69.47], [63.0, 69.25], [62.75, 69.35], [62.5, 69.25], [62.25, 69.35], [62.0, 69.25], [61.75, 69.35], [61.68, 69.32], [61.65, 69.25], [61.75, 69.0], [61.65, 68.75], [61.75, 68.5], [61.65, 68.25], [61.75, 68.0], [61.53, 67.47], [61.0, 67.25], [60.75, 67.35], [60.5, 67.25], [60.25, 67.35], [60.0, 67.25], [59.75, 67.35], [59.5, 67.25], [59.0, 67.46], [58.5, 67.25], [58.0, 67.46], [57.5, 67.25], [57.25, 67.35], [57.0, 67.25], [56.75, 67.35], [56.5, 67.25], [56.25, 67.35], [56.0, 67.25], [55.75, 67.35], [55.5, 67.25], [55.25, 67.35], [55.0, 67.25], [54.75, 67.35], [54.5, 67.25], [54.25, 67.35], [54.0, 67.25], [53.75, 67.35], [53.5, 67.25], [53.25, 67.35], [53.0, 67.25], [52.75, 67.35], [52.5, 67.25], [52.25, 67.35], [52.0, 67.25], [51.75, 67.35], [51.5, 67.25], [51.25, 67.35], [51.0, 67.25], [50.75, 67.35], [50.5, 67.25], [50.25, 67.35], [50.0, 67.25], [49.75, 67.35], [49.5, 67.25], [49.25, 67.35], [49.0, 67.25], [48.75, 67.35], [48.5, 67.25], [48.25, 67.35], [48.18, 67.32], [48.03, 66.97], [47.68, 66.82], [47.53, 66.47], [47.0, 66.25], [46.47, 66.47], [46.25, 67.0], [46.47, 67.53], [46.82, 67.68], [46.85, 67.75], [46.75, 68.0]]]]}, "2019-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, 66.47], [45.75, 67.0], [45.97, 67.53], [46.5, 67.75], [46.75, 67.65], [46.82, 67.68], [46.85, 67.75], [46.75, 68.0], [46.96, 68.5], [46.75, 69.0], [46.97, 69.53], [47.5, 69.75], [47.75, 69.65], [48.0, 69.75], [48.53, 69.53], [48.68, 69.18], [48.75, 69.15], [49.0, 69.25], [49.25, 69.15], [49.5, 69.25], [49.75, 69.15], [49.82, 69.18], [49.97, 69.53], [50.5, 69.75], [50.75, 69.65], [51.0, 69.75], [51.25, 69.65], [51.5, 69.75], [51.75, 69.65], [52.0, 69.75], [52.25, 69.65], [52.5, 69.75], [52.75, 69.65], [53.0, 69.75], [53.25, 69.65], [53.5, 69.75], [53.75, 69.65], [54.0, 69.75], [54.25, 69.65], [54.5, 69.75], [54.75, 69.65], [54.82, 69.68], [54.97, 70.03], [55.5, 70.25], [55.75, 70.15], [56.0, 70.25], [56.25, 70.15], [56.32, 70.18], [56.47, 70.53], [57.0, 70.75], [57.25, 70.65], [57.5, 70.75], [57.75, 70.65], [58.0, 70.75], [58.25, 70.65], [58.5, 70.75], [59.03, 70.53], [59.18, 70.18], [59.25, 70.15], [59.5, 70.25], [59.75, 70.15], [59.82, 70.18], [59.97, 70.53], [60.5, 70.75], [61.0, 70.54], [61.5, 70.75], [61.75, 70.65], [62.0, 70.75], [62.25, 70.65], [62.5, 70.75], [62.75, 70.65], [63.0, 70.75], [63.53, 70.53], [63.75, 70.0], [63.53, 69.47], [63.0, 69.25], [62.75, 69.35], [62.5, 69.25], [62.25, 69.35], [62.0, 69.25], [61.75, 69.35], [61.68, 69.32], [61.65, 69.25], [61.75, 69.0], [61.65, 68.75], [61.75, 68.5], [61.65, 68.25], [61.75, 68.0], [61.53, 67.47], [61.0, 67.25], [60.75, 67.35], [60.5, 67.25], [60.25, 67.35], [60.0, 67.25], [59.75, 67.35], [59.5, 67.25], [59.0, 67.46], [58.5, 67.25], [58.0, 67.46], [57.5, 67.25], [57.25, 67.35], [57.0, 67.25], [56.75, 67.35], [56.5, 67.25], [56.25, 67.35], [56.0, 67.25], [55.75, 67.35], [55.5, 67.25], [55.25, 67.35], [55.0, 67.25], [54.75, 67.35], [54.5, 67.25], [54.25, 67.35], [54.0, 67.25], [53.75, 67.35], [53.5, 67.25], [53.25, 67.35], [53.0, 67.25], [52.75, 67.35], [52.5, 67.25], [52.25, 67.35], [52.0, 67.25], [51.75, 67.35], [51.5, 67.25], [51.25, 67.35], [51.0, 67.25], [50.75, 67.35], [50.5, 67.25], [50.25, 67.35], [50.0, 67.25], [49.75, 67.35], [49.5, 67.25], [49.25, 67.35], [49.0, 67.25], [48.75, 67.35], [48.5, 67.25], [48.25, 67.35], [48.18, 67.32], [48.15, 67.25], [48.25, 67.0], [48.03, 66.47], [47.5, 66.25], [47.25, 66.35], [47.0, 66.25], [46.75, 66.35], [46.5, 66.25], [45.97, 66.47]]]]}, "2019-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, 66.47], [45.75, 67.0], [45.97, 67.53], [46.5, 67.75], [46.75, 67.65], [46.82, 67.68], [46.85, 67.75], [46.75, 68.0], [46.96, 68.5], [46.75, 69.0], [46.97, 69.53], [47.5, 69.75], [47.75, 69.65], [48.0, 69.75], [48.53, 69.53], [48.68, 69.18], [48.75, 69.15], [49.0, 69.25], [49.25, 69.15], [49.5, 69.25], [49.75, 69.15], [49.82, 69.18], [49.97, 69.53], [50.5, 69.75], [50.75, 69.65], [51.0, 69.75], [51.25, 69.65], [51.5, 69.75], [51.75, 69.65], [52.0, 69.75], [52.25, 69.65], [52.5, 69.75], [52.75, 69.65], [53.0, 69.75], [53.25, 69.65], [53.5, 69.75], [53.75, 69.65], [54.0, 69.75], [54.25, 69.65], [54.5, 69.75], [54.75, 69.65], [54.82, 69.68], [54.97, 70.03], [55.5, 70.25], [55.75, 70.15], [56.0, 70.25], [56.25, 70.15], [56.32, 70.18], [56.47, 70.53], [57.0, 70.75], [57.25, 70.65], [57.5, 70.75], [57.75, 70.65], [58.0, 70.75], [58.25, 70.65], [58.5, 70.75], [59.03, 70.53], [59.18, 70.18], [59.25, 70.15], [59.5, 70.25], [59.75, 70.15], [59.82, 70.18], [59.97, 70.53], [60.5, 70.75], [61.0, 70.54], [61.5, 70.75], [61.75, 70.65], [62.0, 70.75], [62.25, 70.65], [62.5, 70.75], [62.75, 70.65], [63.0, 70.75], [63.53, 70.53], [63.75, 70.0], [63.53, 69.47], [63.0, 69.25], [62.75, 69.35], [62.5, 69.25], [62.25, 69.35], [62.0, 69.25], [61.75, 69.35], [61.68, 69.32], [61.65, 69.25], [61.75, 69.0], [61.65, 68.75], [61.75, 68.5], [61.65, 68.25], [61.75, 68.0], [61.53, 67.47], [61.0, 67.25], [60.75, 67.35], [60.5, 67.25], [60.25, 67.35], [60.0, 67.25], [59.75, 67.35], [59.5, 67.25], [59.0, 67.46], [58.5, 67.25], [58.0, 67.46], [57.5, 67.25], [57.25, 67.35], [57.0, 67.25], [56.75, 67.35], [56.5, 67.25], [56.25, 67.35], [56.0, 67.25], [55.75, 67.35], [55.5, 67.25], [55.25, 67.35], [55.0, 67.25], [54.75, 67.35], [54.5, 67.25], [54.25, 67.35], [54.0, 67.25], [53.75, 67.35], [53.5, 67.25], [53.25, 67.35], [53.0, 67.25], [52.75, 67.35], [52.5, 67.25], [52.25, 67.35], [52.0, 67.25], [51.75, 67.35], [51.5, 67.25], [51.25, 67.35], [51.0, 67.25], [50.75, 67.35], [50.5, 67.25], [50.25, 67.35], [50.0, 67.25], [49.75, 67.35], [49.5, 67.25], [49.25, 67.35], [49.0, 67.25], [48.75, 67.35], [48.5, 67.25], [48.25, 67.35], [48.18, 67.32], [48.15, 67.25], [48.25, 67.0], [48.03, 66.47], [47.5, 66.25], [47.25, 66.35], [47.0, 66.25], [46.75, 66.35], [46.5, 66.25], [45.97, 66.47]]]]}, "2019-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 67.0], [45.97, 67.53], [46.5, 67.75], [46.75, 67.65], [46.82, 67.68], [46.97, 68.03], [47.32, 68.18], [47.46, 68.5], [47.25, 69.0], [47.47, 69.53], [48.0, 69.75], [48.53, 69.53], [48.75, 69.0], [48.63, 68.7], [48.75, 68.65], [49.0, 68.75], [49.53, 68.53], [49.75, 68.0], [49.53, 67.47], [49.0, 67.25], [48.75, 67.35], [48.5, 67.25], [48.25, 67.35], [48.18, 67.32], [48.15, 67.25], [48.25, 67.0], [48.03, 66.47], [47.5, 66.25], [47.25, 66.35], [47.0, 66.25], [46.75, 66.35], [46.5, 66.25], [45.97, 66.47], [45.75, 67.0]]], [[[54.75, 69.65], [55.0, 69.75], [55.25, 69.65], [55.5, 69.75], [55.75, 69.65], [56.0, 69.75], [56.53, 69.53], [56.75, 69.0], [56.53, 68.47], [56.0, 68.25], [55.75, 68.35], [55.5, 68.25], [55.25, 68.35], [55.18, 68.32], [55.03, 67.97], [54.5, 67.75], [53.97, 67.97], [53.75, 68.5], [53.85, 68.75], [53.75, 69.0], [53.97, 69.53], [54.5, 69.75], [54.75, 69.65]]], [[[59.25, 69.0], [59.47, 69.53], [60.0, 69.75], [60.53, 69.53], [60.75, 69.0], [60.53, 68.47], [60.0, 68.25], [59.47, 68.47], [59.25, 69.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 16.14443580730307}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.480460014302283}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.564648419237471, 14.457675467577985, 15.982280709118129, 14.464978649035288, 11.085488715966449]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.564648419237471, 24.679651682480483, 25.467028781262115, 20.817513105061778, 16.492088472586374]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.041037893166276, 7.294137530618744, 8.613161648080114, 6.947378683566158, 4.6045311012987735]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.041037893166276, 14.371895088948236, 16.14443580730307, 9.300006792001682, 6.742477494680713]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8018712753367447, 1.9865109637283154, 2.4080220289286505, 1.9784135511793304, 1.5488952813675598]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8018712753367447, 2.8275320631545555, 3.4862146377480525, 2.96718545818902, 1.8290861464127801]}}