{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:32.941365", "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": "2014-May-26_to_2014-May-29_244.5_33.0"}, "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": 2014050002754}, "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": "May 26 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 2014"}, "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": 51200.805096039505}, "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": ["Mexico", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "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": []}, "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": 33.0}, "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": 244.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "244.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 242.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 244.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-118.03, 34.53], [-117.62, 34.7], [-117.75, 35.0], [-117.53, 35.53], [-117.18, 35.68], [-117.03, 36.03], [-116.5, 36.25], [-116.25, 36.15], [-116.0, 36.25], [-115.47, 36.03], [-115.32, 35.68], [-114.97, 35.53], [-114.75, 35.0], [-114.85, 34.75], [-114.75, 34.5], [-114.85, 34.25], [-114.75, 34.0], [-114.96, 33.5], [-114.75, 33.0], [-114.97, 32.47], [-115.5, 32.25], [-115.75, 32.35], [-116.0, 32.25], [-116.25, 32.35], [-116.32, 32.32], [-116.47, 31.97], [-117.0, 31.75], [-117.53, 31.97], [-117.75, 32.5], [-117.65, 32.75], [-117.68, 32.82], [-118.03, 32.97], [-118.25, 33.5], [-118.15, 33.75], [-118.25, 34.0], [-118.03, 34.53]]]]}, "2014-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-118.03, 34.53], [-117.62, 34.7], [-117.75, 35.0], [-117.53, 35.53], [-117.18, 35.68], [-117.03, 36.03], [-116.5, 36.25], [-116.25, 36.15], [-116.0, 36.25], [-115.47, 36.03], [-115.32, 35.68], [-114.97, 35.53], [-114.75, 35.0], [-114.85, 34.75], [-114.75, 34.5], [-114.85, 34.25], [-114.75, 34.0], [-114.96, 33.5], [-114.75, 33.0], [-114.97, 32.47], [-115.5, 32.25], [-115.75, 32.35], [-116.0, 32.25], [-116.25, 32.35], [-116.32, 32.32], [-116.47, 31.97], [-117.0, 31.75], [-117.53, 31.97], [-117.75, 32.5], [-117.65, 32.75], [-117.68, 32.82], [-118.03, 32.97], [-118.25, 33.5], [-118.15, 33.75], [-118.25, 34.0], [-118.03, 34.53]]]]}, "2014-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-118.03, 34.53], [-117.62, 34.7], [-117.75, 35.0], [-117.53, 35.53], [-117.18, 35.68], [-117.03, 36.03], [-116.5, 36.25], [-116.25, 36.15], [-116.0, 36.25], [-115.47, 36.03], [-115.32, 35.68], [-114.97, 35.53], [-114.75, 35.0], [-114.85, 34.75], [-114.75, 34.5], [-114.85, 34.25], [-114.75, 34.0], [-114.96, 33.5], [-114.75, 33.0], [-114.97, 32.47], [-115.5, 32.25], [-115.75, 32.35], [-116.0, 32.25], [-116.25, 32.35], [-116.32, 32.32], [-116.47, 31.97], [-117.0, 31.75], [-117.53, 31.97], [-117.75, 32.5], [-117.65, 32.75], [-117.68, 32.82], [-118.03, 32.97], [-118.25, 33.5], [-118.15, 33.75], [-118.25, 34.0], [-118.03, 34.53]]]]}, "2014-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-115.5, 33.75], [-114.97, 33.53], [-114.75, 33.0], [-114.97, 32.47], [-115.5, 32.25], [-116.03, 32.47], [-116.25, 33.0], [-116.03, 33.53], [-115.5, 33.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.729217513869401}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.450042692307894}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.34651094652054, 28.92248484257823, 27.767950864343902, 32.435049670642684]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.29853749414747, 34.26786373044257, 33.01495024004333, 32.435049670642684]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.180965712111023, 6.385359110849203, 4.876936817639725, 3.5873714187825385]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.880956685447984, 7.729217513869401, 6.092561776435673, 3.5873714187825385]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4553527864148872, 1.8528417421646508, 1.4804147485970969, 1.2950998506814448]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.667416913324215, 2.165075060817342, 1.8300224977052504, 1.2950998506814448]}}