{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:47.015169", "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": "2022-Jul-07_to_2022-Jul-13_197.5_64.0"}, "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": 2022070001731}, "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 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 13 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 161228.79046893693}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": ["Bering 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": 64.0}, "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": 197.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "197.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 194.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 207.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-162.5, 65.25], [-162.25, 65.15], [-162.0, 65.25], [-161.47, 65.03], [-161.25, 64.5], [-161.47, 63.97], [-161.82, 63.82], [-161.97, 63.47], [-162.5, 63.25], [-162.75, 63.35], [-163.0, 63.25], [-163.53, 63.47], [-163.75, 64.0], [-163.53, 64.53], [-163.18, 64.68], [-163.03, 65.03], [-162.5, 65.25]]]]}, "2022-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-163.75, 64.0], [-163.53, 64.53], [-163.18, 64.68], [-163.03, 65.03], [-162.5, 65.25], [-162.25, 65.15], [-162.0, 65.25], [-161.47, 65.03], [-161.25, 64.5], [-161.35, 64.25], [-161.25, 64.0], [-161.47, 63.47], [-161.82, 63.32], [-161.97, 62.97], [-162.5, 62.75], [-163.03, 62.97], [-163.18, 63.32], [-163.53, 63.47], [-163.75, 64.0]]]]}, "2022-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-165.53, 62.53], [-165.18, 62.68], [-165.03, 63.03], [-164.68, 63.18], [-164.65, 63.25], [-164.75, 63.5], [-164.65, 63.75], [-164.68, 63.82], [-165.03, 63.97], [-165.25, 64.5], [-165.03, 65.03], [-164.68, 65.18], [-164.53, 65.53], [-164.0, 65.75], [-163.75, 65.65], [-163.5, 65.75], [-163.25, 65.65], [-163.0, 65.75], [-162.75, 65.65], [-162.5, 65.75], [-162.25, 65.65], [-162.0, 65.75], [-161.75, 65.65], [-161.5, 65.75], [-161.25, 65.65], [-161.0, 65.75], [-160.47, 65.53], [-160.32, 65.18], [-160.25, 65.15], [-160.0, 65.25], [-159.5, 65.04], [-159.0, 65.25], [-158.75, 65.15], [-158.5, 65.25], [-158.25, 65.15], [-158.0, 65.25], [-157.5, 65.04], [-157.0, 65.25], [-156.75, 65.15], [-156.5, 65.25], [-156.25, 65.15], [-156.18, 65.18], [-156.03, 65.53], [-155.5, 65.75], [-154.97, 65.53], [-154.82, 65.18], [-154.75, 65.15], [-154.5, 65.25], [-154.25, 65.15], [-154.0, 65.25], [-153.75, 65.15], [-153.5, 65.25], [-153.25, 65.15], [-153.0, 65.25], [-152.75, 65.15], [-152.5, 65.25], [-151.97, 65.03], [-151.75, 64.5], [-151.97, 63.97], [-152.5, 63.75], [-152.75, 63.85], [-153.0, 63.75], [-153.25, 63.85], [-153.32, 63.82], [-153.47, 63.47], [-154.0, 63.25], [-154.25, 63.35], [-154.32, 63.32], [-154.47, 62.97], [-155.0, 62.75], [-155.25, 62.85], [-155.5, 62.75], [-155.75, 62.85], [-155.82, 62.82], [-155.97, 62.47], [-156.5, 62.25], [-156.75, 62.35], [-156.82, 62.32], [-156.97, 61.97], [-157.5, 61.75], [-157.75, 61.85], [-158.0, 61.75], [-158.25, 61.85], [-158.5, 61.75], [-158.75, 61.85], [-159.0, 61.75], [-159.5, 61.96], [-160.0, 61.75], [-160.25, 61.85], [-160.5, 61.75], [-160.75, 61.85], [-161.0, 61.75], [-161.25, 61.85], [-161.5, 61.75], [-161.75, 61.85], [-162.0, 61.75], [-162.25, 61.85], [-162.32, 61.82], [-162.47, 61.47], [-163.0, 61.25], [-163.25, 61.35], [-163.5, 61.25], [-163.75, 61.35], [-163.82, 61.32], [-163.97, 60.97], [-164.5, 60.75], [-164.75, 60.85], [-165.0, 60.75], [-165.53, 60.97], [-165.75, 61.5], [-165.65, 61.75], [-165.75, 62.0], [-165.53, 62.53]]]]}, "2022-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-165.53, 62.53], [-165.18, 62.68], [-165.04, 63.0], [-165.25, 63.5], [-165.15, 63.75], [-165.25, 64.0], [-165.15, 64.25], [-165.25, 64.5], [-165.03, 65.03], [-164.68, 65.18], [-164.53, 65.53], [-164.0, 65.75], [-163.75, 65.65], [-163.5, 65.75], [-163.25, 65.65], [-163.0, 65.75], [-162.75, 65.65], [-162.5, 65.75], [-162.25, 65.65], [-162.0, 65.75], [-161.75, 65.65], [-161.5, 65.75], [-161.25, 65.65], [-161.0, 65.75], [-160.47, 65.53], [-160.32, 65.18], [-160.25, 65.15], [-160.0, 65.25], [-159.5, 65.04], [-159.0, 65.25], [-158.75, 65.15], [-158.5, 65.25], [-158.25, 65.15], [-158.0, 65.25], [-157.5, 65.04], [-157.0, 65.25], [-156.75, 65.15], [-156.5, 65.25], [-156.25, 65.15], [-156.18, 65.18], [-156.03, 65.53], [-155.5, 65.75], [-154.97, 65.53], [-154.82, 65.18], [-154.75, 65.15], [-154.5, 65.25], [-154.25, 65.15], [-154.0, 65.25], [-153.75, 65.15], [-153.5, 65.25], [-153.25, 65.15], [-153.0, 65.25], [-152.75, 65.15], [-152.5, 65.25], [-151.97, 65.03], [-151.75, 64.5], [-151.97, 63.97], [-152.5, 63.75], [-152.75, 63.85], [-153.0, 63.75], [-153.25, 63.85], [-153.32, 63.82], [-153.47, 63.47], [-154.0, 63.25], [-154.25, 63.35], [-154.32, 63.32], [-154.47, 62.97], [-155.0, 62.75], [-155.25, 62.85], [-155.5, 62.75], [-155.75, 62.85], [-155.82, 62.82], [-155.97, 62.47], [-156.5, 62.25], [-156.75, 62.35], [-156.82, 62.32], [-156.97, 61.97], [-157.32, 61.82], [-157.47, 61.47], [-158.0, 61.25], [-158.25, 61.35], [-158.5, 61.25], [-158.75, 61.35], [-159.0, 61.25], [-159.5, 61.46], [-160.0, 61.25], [-160.25, 61.35], [-160.5, 61.25], [-160.75, 61.35], [-161.0, 61.25], [-161.53, 61.47], [-161.68, 61.82], [-161.75, 61.85], [-162.0, 61.75], [-162.25, 61.85], [-162.32, 61.82], [-162.47, 61.47], [-163.0, 61.25], [-163.25, 61.35], [-163.5, 61.25], [-163.75, 61.35], [-163.82, 61.32], [-163.97, 60.97], [-164.5, 60.75], [-164.75, 60.85], [-165.0, 60.75], [-165.53, 60.97], [-165.75, 61.5], [-165.65, 61.75], [-165.75, 62.0], [-165.53, 62.53]]]]}, "2022-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-165.53, 62.53], [-165.18, 62.68], [-165.04, 63.0], [-165.25, 63.5], [-165.15, 63.75], [-165.25, 64.0], [-165.15, 64.25], [-165.25, 64.5], [-165.03, 65.03], [-164.68, 65.18], [-164.53, 65.53], [-164.0, 65.75], [-163.75, 65.65], [-163.5, 65.75], [-163.25, 65.65], [-163.0, 65.75], [-162.75, 65.65], [-162.5, 65.75], [-162.25, 65.65], [-162.0, 65.75], [-161.75, 65.65], [-161.5, 65.75], [-161.25, 65.65], [-161.0, 65.75], [-160.47, 65.53], [-160.32, 65.18], [-160.25, 65.15], [-160.0, 65.25], [-159.5, 65.04], [-159.0, 65.25], [-158.75, 65.15], [-158.5, 65.25], [-158.25, 65.15], [-158.0, 65.25], [-157.5, 65.04], [-157.0, 65.25], [-156.75, 65.15], [-156.5, 65.25], [-156.25, 65.15], [-156.18, 65.18], [-156.03, 65.53], [-155.5, 65.75], [-154.97, 65.53], [-154.82, 65.18], [-154.75, 65.15], [-154.5, 65.25], [-154.25, 65.15], [-154.0, 65.25], [-153.75, 65.15], [-153.5, 65.25], [-153.25, 65.15], [-153.0, 65.25], [-152.75, 65.15], [-152.5, 65.25], [-151.97, 65.03], [-151.75, 64.5], [-151.97, 63.97], [-152.5, 63.75], [-152.75, 63.85], [-153.0, 63.75], [-153.25, 63.85], [-153.32, 63.82], [-153.47, 63.47], [-154.0, 63.25], [-154.25, 63.35], [-154.32, 63.32], [-154.47, 62.97], [-155.0, 62.75], [-155.25, 62.85], [-155.5, 62.75], [-155.75, 62.85], [-155.82, 62.82], [-155.97, 62.47], [-156.5, 62.25], [-156.75, 62.35], [-156.82, 62.32], [-156.97, 61.97], [-157.32, 61.82], [-157.47, 61.47], [-158.0, 61.25], [-158.25, 61.35], [-158.5, 61.25], [-158.75, 61.35], [-159.0, 61.25], [-159.5, 61.46], [-160.0, 61.25], [-160.25, 61.35], [-160.5, 61.25], [-160.75, 61.35], [-161.0, 61.25], [-161.53, 61.47], [-161.68, 61.82], [-161.75, 61.85], [-162.0, 61.75], [-162.25, 61.85], [-162.32, 61.82], [-162.47, 61.47], [-163.0, 61.25], [-163.25, 61.35], [-163.5, 61.25], [-163.75, 61.35], [-163.82, 61.32], [-163.97, 60.97], [-164.5, 60.75], [-164.75, 60.85], [-165.0, 60.75], [-165.53, 60.97], [-165.75, 61.5], [-165.65, 61.75], [-165.75, 62.0], [-165.53, 62.53]]]]}, "2022-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-165.03, 64.53], [-164.5, 64.75], [-164.25, 64.65], [-164.0, 64.75], [-163.75, 64.65], [-163.5, 64.75], [-163.25, 64.65], [-163.0, 64.75], [-162.75, 64.65], [-162.5, 64.75], [-162.25, 64.65], [-162.0, 64.75], [-161.75, 64.65], [-161.5, 64.75], [-160.97, 64.53], [-160.75, 64.0], [-160.85, 63.75], [-160.8, 63.63], [-160.5, 63.75], [-160.25, 63.65], [-160.0, 63.75], [-159.75, 63.65], [-159.68, 63.68], [-159.53, 64.03], [-159.0, 64.25], [-158.75, 64.15], [-158.5, 64.25], [-158.25, 64.15], [-158.0, 64.25], [-157.75, 64.15], [-157.5, 64.25], [-157.25, 64.15], [-157.0, 64.25], [-156.75, 64.15], [-156.5, 64.25], [-156.25, 64.15], [-156.0, 64.25], [-155.75, 64.15], [-155.5, 64.25], [-155.25, 64.15], [-155.18, 64.18], [-155.03, 64.53], [-154.5, 64.75], [-154.25, 64.65], [-154.0, 64.75], [-153.47, 64.53], [-153.25, 64.0], [-153.47, 63.47], [-154.0, 63.25], [-154.25, 63.35], [-154.32, 63.32], [-154.47, 62.97], [-155.0, 62.75], [-155.25, 62.85], [-155.5, 62.75], [-155.75, 62.85], [-155.82, 62.82], [-155.97, 62.47], [-156.5, 62.25], [-156.75, 62.35], [-156.82, 62.32], [-156.97, 61.97], [-157.32, 61.82], [-157.47, 61.47], [-158.0, 61.25], [-158.25, 61.35], [-158.5, 61.25], [-158.75, 61.35], [-159.0, 61.25], [-159.5, 61.46], [-160.0, 61.25], [-160.25, 61.35], [-160.5, 61.25], [-160.75, 61.35], [-161.0, 61.25], [-161.53, 61.47], [-161.68, 61.82], [-161.75, 61.85], [-162.0, 61.75], [-162.53, 61.97], [-162.7, 62.38], [-163.0, 62.25], [-163.25, 62.35], [-163.5, 62.25], [-164.03, 62.47], [-164.18, 62.82], [-164.25, 62.85], [-164.5, 62.75], [-165.03, 62.97], [-165.25, 63.5], [-165.15, 63.75], [-165.25, 64.0], [-165.03, 64.53]]]]}, "2022-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-162.53, 63.47], [-162.75, 64.0], [-162.53, 64.53], [-162.0, 64.75], [-161.75, 64.65], [-161.5, 64.75], [-160.97, 64.53], [-160.75, 64.0], [-160.97, 63.47], [-161.5, 63.25], [-161.75, 63.35], [-162.0, 63.25], [-162.53, 63.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.367584255258919}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.996164858299821}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.095323074033217, 14.160345708387183, 18.345216861453594, 18.65009181869965, 18.818506404646257, 17.995052938689128, 14.833200926023551]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.334745726739413, 14.697508546984068, 22.100344565554053, 22.1580825623563, 22.097029078342814, 21.00243310535285, 14.868862629930788]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.590507409962072, 4.465611757259372, 4.880354033614413, 5.147562097470628, 5.296924418806508, 4.3376759166810634, 4.322463292063276]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.950045177964853, 5.16373454688852, 7.591059274364909, 8.367584255258919, 7.702534424237172, 5.137948810582316, 4.327231195406171]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.61345592938746, 1.5922503742176197, 1.6794499119344, 1.7740230863219604, 1.8503827255366816, 1.5589630961797645, 1.4839755851582366]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6759786744549612, 1.7628178033898083, 2.5452472208470134, 2.711284405367337, 2.7374335836847647, 2.058765111425096, 1.505444148447525]}}