{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:55.269924", "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": "2010-Jan-03_to_2010-Jan-06_135.5_8.5"}, "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": 2010010001369}, "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": "January 03 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 06 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 103909.16475664571}, "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": ["Palau"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "N.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["North Pacific Ocean", "Philippine 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": 8.5}, "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": 135.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 7.75], [133.75, 8.0], [133.97, 8.53], [134.32, 8.68], [134.47, 9.03], [134.82, 9.18], [134.85, 9.25], [134.75, 9.5], [134.97, 10.03], [135.5, 10.25], [135.75, 10.15], [136.0, 10.25], [136.25, 10.15], [136.5, 10.25], [136.75, 10.15], [137.0, 10.25], [137.25, 10.15], [137.32, 10.18], [137.47, 10.53], [138.0, 10.75], [138.5, 10.54], [139.0, 10.75], [139.25, 10.65], [139.5, 10.75], [140.03, 10.53], [140.25, 10.0], [140.03, 9.47], [139.5, 9.25], [139.25, 9.35], [139.18, 9.32], [139.03, 8.97], [138.68, 8.82], [138.53, 8.47], [138.0, 8.25], [137.75, 8.35], [137.68, 8.32], [137.53, 7.97], [137.18, 7.82], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.5, 6.75], [136.25, 6.85], [136.18, 6.82], [136.03, 6.47], [135.5, 6.25], [135.25, 6.35], [135.0, 6.25], [134.75, 6.35], [134.5, 6.25], [133.97, 6.47], [133.75, 7.0], [133.85, 7.25], [133.75, 7.5], [133.85, 7.75]]]]}, "2010-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 7.75], [133.75, 8.0], [133.97, 8.53], [134.32, 8.68], [134.47, 9.03], [134.82, 9.18], [134.85, 9.25], [134.75, 9.5], [134.97, 10.03], [135.5, 10.25], [135.75, 10.15], [136.0, 10.25], [136.25, 10.15], [136.5, 10.25], [136.75, 10.15], [137.0, 10.25], [137.25, 10.15], [137.32, 10.18], [137.47, 10.53], [138.0, 10.75], [138.5, 10.54], [139.0, 10.75], [139.25, 10.65], [139.5, 10.75], [140.03, 10.53], [140.25, 10.0], [140.03, 9.47], [139.5, 9.25], [139.25, 9.35], [139.18, 9.32], [139.03, 8.97], [138.68, 8.82], [138.53, 8.47], [138.0, 8.25], [137.75, 8.35], [137.68, 8.32], [137.53, 7.97], [137.18, 7.82], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.5, 6.75], [136.25, 6.85], [136.18, 6.82], [136.03, 6.47], [135.5, 6.25], [135.25, 6.35], [135.0, 6.25], [134.75, 6.35], [134.5, 6.25], [133.97, 6.47], [133.75, 7.0], [133.85, 7.25], [133.75, 7.5], [133.85, 7.75]]]]}, "2010-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, 7.75], [133.75, 8.0], [133.97, 8.53], [134.32, 8.68], [134.47, 9.03], [134.82, 9.18], [134.85, 9.25], [134.75, 9.5], [134.97, 10.03], [135.5, 10.25], [135.75, 10.15], [136.0, 10.25], [136.25, 10.15], [136.5, 10.25], [136.75, 10.15], [137.0, 10.25], [137.25, 10.15], [137.32, 10.18], [137.47, 10.53], [138.0, 10.75], [138.5, 10.54], [139.0, 10.75], [139.25, 10.65], [139.5, 10.75], [140.03, 10.53], [140.25, 10.0], [140.03, 9.47], [139.5, 9.25], [139.25, 9.35], [139.18, 9.32], [139.03, 8.97], [138.68, 8.82], [138.53, 8.47], [138.0, 8.25], [137.75, 8.35], [137.68, 8.32], [137.53, 7.97], [137.18, 7.82], [137.15, 7.75], [137.25, 7.5], [137.03, 6.97], [136.5, 6.75], [136.25, 6.85], [136.18, 6.82], [136.03, 6.47], [135.5, 6.25], [135.25, 6.35], [135.0, 6.25], [134.75, 6.35], [134.5, 6.25], [133.97, 6.47], [133.75, 7.0], [133.85, 7.25], [133.75, 7.5], [133.85, 7.75]]]]}, "2010-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.0, 10.25], [137.53, 10.03], [137.75, 9.5], [137.53, 8.97], [137.0, 8.75], [136.47, 8.97], [136.25, 9.5], [136.47, 10.03], [137.0, 10.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3751488878486384}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9686879272024925}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.00206863274343, 28.164840241723994, 28.105571425441553, 27.69537387272959]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.33004378097786, 28.499080904898904, 28.399423676820106, 27.69537387272959]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8890030670145781, 1.032213479410334, 0.9947848115832334, 0.6308103295797878]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.202972835245589, 1.3751488878486384, 1.2859717815316003, 0.6308103295797878]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5421713276015814, 1.998752413017931, 1.9260280801764456, 1.2893191112422682]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.040798731400073, 2.7208189229974384, 2.460104466367367, 1.2893191112422682]}}