{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:14.820548", "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": "2019-Jul-26_to_2019-Jul-28_7.0_21.5"}, "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": 2019070002923}, "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 26 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 71733.7810530073}, "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": ["Algeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 21.5}, "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": 7.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 5.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 8.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.85, 21.75], [4.75, 22.0], [4.85, 22.25], [4.75, 22.5], [4.85, 22.75], [4.75, 23.0], [4.97, 23.53], [5.32, 23.68], [5.47, 24.03], [6.0, 24.25], [6.53, 24.03], [6.75, 23.5], [6.65, 23.25], [6.68, 23.18], [6.75, 23.15], [7.0, 23.25], [7.53, 23.03], [7.68, 22.68], [7.75, 22.65], [8.0, 22.75], [8.25, 22.65], [8.5, 22.75], [9.03, 22.53], [9.25, 22.0], [9.03, 21.47], [8.5, 21.25], [8.25, 21.35], [8.18, 21.32], [8.15, 21.25], [8.25, 21.0], [8.03, 20.47], [7.68, 20.32], [7.53, 19.97], [7.0, 19.75], [6.75, 19.85], [6.5, 19.75], [6.25, 19.85], [6.0, 19.75], [5.47, 19.97], [5.32, 20.32], [4.97, 20.47], [4.75, 21.0], [4.85, 21.25], [4.75, 21.5], [4.85, 21.75]]]]}, "2019-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.85, 21.75], [4.75, 22.0], [4.85, 22.25], [4.75, 22.5], [4.85, 22.75], [4.75, 23.0], [4.97, 23.53], [5.32, 23.68], [5.47, 24.03], [6.0, 24.25], [6.53, 24.03], [6.75, 23.5], [6.65, 23.25], [6.68, 23.18], [6.75, 23.15], [7.0, 23.25], [7.53, 23.03], [7.68, 22.68], [7.75, 22.65], [8.0, 22.75], [8.25, 22.65], [8.5, 22.75], [9.03, 22.53], [9.25, 22.0], [9.03, 21.47], [8.5, 21.25], [8.25, 21.35], [8.18, 21.32], [8.15, 21.25], [8.25, 21.0], [8.03, 20.47], [7.68, 20.32], [7.53, 19.97], [7.0, 19.75], [6.75, 19.85], [6.5, 19.75], [6.25, 19.85], [6.0, 19.75], [5.47, 19.97], [5.32, 20.32], [4.97, 20.47], [4.75, 21.0], [4.85, 21.25], [4.75, 21.5], [4.85, 21.75]]]]}, "2019-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.85, 21.75], [4.75, 22.0], [4.85, 22.25], [4.75, 22.5], [4.85, 22.75], [4.75, 23.0], [4.97, 23.53], [5.32, 23.68], [5.47, 24.03], [6.0, 24.25], [6.53, 24.03], [6.75, 23.5], [6.65, 23.25], [6.68, 23.18], [6.75, 23.15], [7.0, 23.25], [7.53, 23.03], [7.68, 22.68], [7.75, 22.65], [8.0, 22.75], [8.25, 22.65], [8.5, 22.75], [9.03, 22.53], [9.25, 22.0], [9.03, 21.47], [8.5, 21.25], [8.25, 21.35], [8.18, 21.32], [8.15, 21.25], [8.25, 21.0], [8.03, 20.47], [7.68, 20.32], [7.53, 19.97], [7.0, 19.75], [6.75, 19.85], [6.5, 19.75], [6.25, 19.85], [6.0, 19.75], [5.47, 19.97], [5.32, 20.32], [4.97, 20.47], [4.75, 21.0], [4.85, 21.25], [4.75, 21.5], [4.85, 21.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7371553189732936}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.055872696750321}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.65209079860426, 35.06249884126373, 34.905931005165144]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.252711130412024, 36.83105433356371, 36.85607725178585]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.856396858364701, 2.235985847897368, 2.075235383988893]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6880552711759833, 2.7371553189732936, 2.5260066182738115]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4906797623855774, 1.9025132116210233, 1.7197621190324017]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9202224285817069, 2.3138020202587994, 2.2716522485786856]}}