{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:48.705529", "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-Jun-22_to_2012-Jun-27_50.0_11.0"}, "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": 2012060002943}, "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 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 27 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 76065.86014895482}, "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": ["Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": []}, "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": 11.0}, "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": 50.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "50.0\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": 50.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.47, 10.47], [49.25, 11.0], [49.47, 11.53], [50.0, 11.75], [50.25, 11.65], [50.5, 11.75], [51.03, 11.53], [51.25, 11.0], [51.03, 10.47], [50.5, 10.25], [50.25, 10.35], [50.0, 10.25], [49.47, 10.47]]]]}, "2012-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.85, 9.75], [46.75, 10.0], [46.85, 10.25], [46.75, 10.5], [46.97, 11.03], [47.5, 11.25], [47.75, 11.15], [48.0, 11.25], [48.25, 11.15], [48.5, 11.25], [48.75, 11.15], [48.82, 11.18], [48.97, 11.53], [49.5, 11.75], [49.75, 11.65], [50.0, 11.75], [50.25, 11.65], [50.5, 11.75], [51.03, 11.53], [51.25, 11.0], [51.03, 10.47], [50.68, 10.32], [50.53, 9.97], [50.18, 9.82], [50.03, 9.47], [49.68, 9.32], [49.53, 8.97], [49.0, 8.75], [48.75, 8.85], [48.68, 8.82], [48.53, 8.47], [48.0, 8.25], [47.75, 8.35], [47.5, 8.25], [46.97, 8.47], [46.75, 9.0], [46.85, 9.25], [46.75, 9.5], [46.85, 9.75]]]]}, "2012-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.82, 10.68], [46.97, 11.03], [47.5, 11.25], [47.75, 11.15], [47.82, 11.18], [47.97, 11.53], [48.5, 11.75], [49.0, 11.54], [49.5, 11.75], [49.75, 11.65], [50.0, 11.75], [50.25, 11.65], [50.5, 11.75], [51.03, 11.53], [51.25, 11.0], [51.03, 10.47], [50.68, 10.32], [50.53, 9.97], [50.18, 9.82], [50.03, 9.47], [49.68, 9.32], [49.53, 8.97], [49.0, 8.75], [48.75, 8.85], [48.68, 8.82], [48.53, 8.47], [48.0, 8.25], [47.75, 8.35], [47.5, 8.25], [46.97, 8.47], [46.8, 8.88], [46.5, 8.75], [45.97, 8.97], [45.75, 9.5], [45.97, 10.03], [46.32, 10.18], [46.47, 10.53], [46.82, 10.68]]]]}, "2012-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, 11.03], [46.5, 11.25], [46.75, 11.15], [47.0, 11.25], [47.25, 11.15], [47.5, 11.25], [47.75, 11.15], [47.82, 11.18], [47.97, 11.53], [48.5, 11.75], [49.0, 11.54], [49.5, 11.75], [49.75, 11.65], [50.0, 11.75], [50.25, 11.65], [50.5, 11.75], [51.03, 11.53], [51.25, 11.0], [51.03, 10.47], [50.68, 10.32], [50.53, 9.97], [50.18, 9.82], [50.03, 9.47], [49.68, 9.32], [49.53, 8.97], [49.0, 8.75], [48.75, 8.85], [48.68, 8.82], [48.53, 8.47], [48.0, 8.25], [47.75, 8.35], [47.5, 8.25], [46.97, 8.47], [46.8, 8.88], [46.5, 8.75], [45.97, 8.97], [45.75, 9.5], [45.96, 10.0], [45.75, 10.5], [45.97, 11.03]]]]}, "2012-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.5, 11.25], [46.75, 11.15], [47.0, 11.25], [47.53, 11.03], [47.75, 10.5], [47.65, 10.25], [47.75, 10.0], [47.53, 9.47], [47.18, 9.32], [47.03, 8.97], [46.5, 8.75], [45.97, 8.97], [45.75, 9.5], [45.96, 10.0], [45.75, 10.5], [45.97, 11.03], [46.5, 11.25]]], [[[47.97, 10.47], [47.75, 11.0], [47.97, 11.53], [48.5, 11.75], [49.03, 11.53], [49.25, 11.0], [49.03, 10.47], [48.5, 10.25], [47.97, 10.47]]]]}, "2012-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, 11.03], [46.5, 11.25], [46.75, 11.15], [47.0, 11.25], [47.53, 11.03], [47.75, 10.5], [47.65, 10.25], [47.75, 10.0], [47.53, 9.47], [47.0, 9.25], [46.47, 9.47], [46.32, 9.82], [45.97, 9.97], [45.75, 10.5], [45.97, 11.03]]], [[[47.97, 10.47], [47.75, 11.0], [47.97, 11.53], [48.5, 11.75], [49.03, 11.53], [49.25, 11.0], [49.03, 10.47], [48.5, 10.25], [47.97, 10.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3466767234090185}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4801090919944486}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.796173833128023, 27.68327635854763, 27.788519440075618, 28.1968737928417, 28.98241843156626, 29.254655364565792]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.62991017608937, 33.09721164160186, 33.37996680087247, 34.105035374293095, 34.08419816202729, 33.934020803506826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3059993697501966, 1.4152232603492791, 1.4612190692130298, 1.6415442104437534, 1.2603470847166478, 1.2659437611246744]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.346625392151509, 1.8486629891447137, 2.116611498839859, 2.3466767234090185, 1.3691634459565307, 1.3143776915836725]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4376341055848532, 1.5793440238462355, 1.6417809698669494, 1.8407602095534639, 1.4778378058418737, 1.507773995587878]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4391392464856567, 1.9744519683411983, 2.3194527284218873, 2.33951702686284, 1.61850424000705, 1.7594549399612556]}}