{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:05.858036", "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": "2012-Mar-20_to_2012-Mar-23_148.0_-5.5"}, "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": 2012030002526}, "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 20 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 23 2012"}, "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": 79994.88939833888}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "S.E.Asia"]}, "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": ["Bismarck Sea", "Solomon 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": -5.5}, "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": 148.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.38, -4.7], [144.97, -4.53], [144.75, -4.0], [144.97, -3.47], [145.5, -3.25], [145.75, -3.35], [146.0, -3.25], [146.25, -3.35], [146.5, -3.25], [147.03, -3.47], [147.18, -3.82], [147.25, -3.85], [147.5, -3.75], [148.03, -3.97], [148.18, -4.32], [148.25, -4.35], [148.5, -4.25], [149.03, -4.47], [149.25, -5.0], [149.15, -5.25], [149.25, -5.5], [149.15, -5.75], [149.18, -5.82], [149.53, -5.97], [149.75, -6.5], [149.53, -7.03], [149.18, -7.18], [149.15, -7.25], [149.25, -7.5], [149.03, -8.03], [148.5, -8.25], [147.97, -8.03], [147.82, -7.68], [147.47, -7.53], [147.25, -7.0], [147.35, -6.75], [147.25, -6.5], [147.35, -6.25], [147.32, -6.18], [147.25, -6.15], [147.0, -6.25], [146.75, -6.15], [146.5, -6.25], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.38, -4.7]]]]}, "2012-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.38, -4.7], [144.97, -4.53], [144.75, -4.0], [144.97, -3.47], [145.5, -3.25], [145.75, -3.35], [146.0, -3.25], [146.25, -3.35], [146.5, -3.25], [147.03, -3.47], [147.18, -3.82], [147.25, -3.85], [147.5, -3.75], [148.03, -3.97], [148.18, -4.32], [148.25, -4.35], [148.5, -4.25], [149.03, -4.47], [149.25, -5.0], [149.15, -5.25], [149.25, -5.5], [149.15, -5.75], [149.18, -5.82], [149.53, -5.97], [149.75, -6.5], [149.53, -7.03], [149.18, -7.18], [149.15, -7.25], [149.25, -7.5], [149.03, -8.03], [148.5, -8.25], [147.97, -8.03], [147.82, -7.68], [147.47, -7.53], [147.25, -7.0], [147.35, -6.75], [147.25, -6.5], [147.35, -6.25], [147.32, -6.18], [147.25, -6.15], [147.0, -6.25], [146.75, -6.15], [146.5, -6.25], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.38, -4.7]]]]}, "2012-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.38, -4.7], [144.97, -4.53], [144.75, -4.0], [144.97, -3.47], [145.5, -3.25], [145.75, -3.35], [146.0, -3.25], [146.25, -3.35], [146.5, -3.25], [147.03, -3.47], [147.18, -3.82], [147.25, -3.85], [147.5, -3.75], [148.03, -3.97], [148.18, -4.32], [148.25, -4.35], [148.5, -4.25], [149.03, -4.47], [149.25, -5.0], [149.15, -5.25], [149.25, -5.5], [149.15, -5.75], [149.18, -5.82], [149.53, -5.97], [149.75, -6.5], [149.53, -7.03], [149.18, -7.18], [149.15, -7.25], [149.25, -7.5], [149.03, -8.03], [148.5, -8.25], [147.97, -8.03], [147.82, -7.68], [147.47, -7.53], [147.25, -7.0], [147.35, -6.75], [147.25, -6.5], [147.35, -6.25], [147.32, -6.18], [147.25, -6.15], [147.0, -6.25], [146.75, -6.15], [146.5, -6.25], [146.25, -6.15], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.38, -4.7]]]]}, "2012-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.47, -4.47], [146.0, -4.25], [146.53, -4.47], [146.75, -5.0], [146.65, -5.25], [146.75, -5.5], [146.53, -6.03], [146.0, -6.25], [145.47, -6.03], [145.25, -5.5], [145.35, -5.25], [145.25, -5.0], [145.47, -4.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.647322031796989}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1544536946149493}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.157390072607143, 28.043912189330797, 28.02778169955036, 26.075090993350614]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.798004161869756, 28.633065410691643, 28.605320069634672, 27.383429852297127]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2139021366210465, 1.13632417970382, 1.1466591150246779, 0.7186371770538926]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.647322031796989, 1.3483557520784188, 1.548420906676256, 0.7911435727409639]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0758589079600633, 1.986559339318086, 2.076869764043395, 1.3337168942736943]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.798698107448142, 2.379377064416489, 2.929917225585523, 1.4563833803775152]}}