{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:04.246448", "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": "2021-Oct-30_to_2021-Nov-02_283.5_-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": 2021100002550}, "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": "October 30 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 02 2021"}, "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": 70602.7313983092}, "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": ["Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.25}, "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": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.53, -8.53], [-75.75, -8.0], [-75.53, -7.47], [-75.0, -7.25], [-74.47, -7.47], [-74.25, -8.0], [-74.47, -8.53], [-75.0, -8.75], [-75.53, -8.53]]], [[[-77.75, -7.0], [-77.53, -6.47], [-77.0, -6.25], [-76.47, -6.47], [-76.25, -7.0], [-76.47, -7.53], [-77.0, -7.75], [-77.53, -7.53], [-77.75, -7.0]]], [[[-77.25, -5.5], [-77.03, -4.97], [-76.5, -4.75], [-75.97, -4.97], [-75.75, -5.5], [-75.97, -6.03], [-76.5, -6.25], [-77.03, -6.03], [-77.25, -5.5]]]]}, "2021-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -6.0], [-77.15, -5.75], [-77.18, -5.68], [-77.53, -5.53], [-77.75, -5.0], [-77.53, -4.47], [-77.0, -4.25], [-76.75, -4.35], [-76.5, -4.25], [-76.25, -4.35], [-76.0, -4.25], [-75.75, -4.35], [-75.5, -4.25], [-74.97, -4.47], [-74.75, -5.0], [-74.97, -5.53], [-75.32, -5.68], [-75.35, -5.75], [-75.32, -5.82], [-75.25, -5.85], [-75.0, -5.75], [-74.47, -5.97], [-74.25, -6.5], [-74.35, -6.75], [-74.25, -7.0], [-74.35, -7.25], [-74.25, -7.5], [-74.35, -7.75], [-74.25, -8.0], [-74.47, -8.53], [-74.82, -8.68], [-74.97, -9.03], [-75.5, -9.25], [-75.75, -9.15], [-76.0, -9.25], [-76.53, -9.03], [-76.75, -8.5], [-76.65, -8.25], [-76.75, -8.0], [-76.62, -7.7], [-76.75, -7.65], [-77.0, -7.75], [-77.53, -7.53], [-77.75, -7.0], [-77.53, -6.47], [-77.18, -6.32], [-77.15, -6.25], [-77.25, -6.0]]]]}, "2021-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -6.0], [-77.15, -5.75], [-77.18, -5.68], [-77.53, -5.53], [-77.75, -5.0], [-77.53, -4.47], [-77.0, -4.25], [-76.75, -4.35], [-76.5, -4.25], [-76.25, -4.35], [-76.0, -4.25], [-75.75, -4.35], [-75.5, -4.25], [-74.97, -4.47], [-74.75, -5.0], [-74.97, -5.53], [-75.32, -5.68], [-75.35, -5.75], [-75.32, -5.82], [-75.25, -5.85], [-75.0, -5.75], [-74.47, -5.97], [-74.25, -6.5], [-74.35, -6.75], [-74.25, -7.0], [-74.35, -7.25], [-74.25, -7.5], [-74.35, -7.75], [-74.25, -8.0], [-74.47, -8.53], [-74.82, -8.68], [-74.97, -9.03], [-75.5, -9.25], [-75.75, -9.15], [-76.0, -9.25], [-76.53, -9.03], [-76.75, -8.5], [-76.65, -8.25], [-76.75, -8.0], [-76.62, -7.7], [-76.75, -7.65], [-77.0, -7.75], [-77.53, -7.53], [-77.75, -7.0], [-77.53, -6.47], [-77.18, -6.32], [-77.15, -6.25], [-77.25, -6.0]]]]}, "2021-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -6.0], [-77.15, -5.75], [-77.18, -5.68], [-77.53, -5.53], [-77.75, -5.0], [-77.53, -4.47], [-77.0, -4.25], [-76.75, -4.35], [-76.5, -4.25], [-76.25, -4.35], [-76.0, -4.25], [-75.75, -4.35], [-75.5, -4.25], [-74.97, -4.47], [-74.75, -5.0], [-74.97, -5.53], [-75.32, -5.68], [-75.35, -5.75], [-75.32, -5.82], [-75.25, -5.85], [-75.0, -5.75], [-74.47, -5.97], [-74.25, -6.5], [-74.35, -6.75], [-74.25, -7.0], [-74.35, -7.25], [-74.25, -7.5], [-74.35, -7.75], [-74.25, -8.0], [-74.47, -8.53], [-74.82, -8.68], [-74.97, -9.03], [-75.5, -9.25], [-75.75, -9.15], [-76.0, -9.25], [-76.53, -9.03], [-76.75, -8.5], [-76.65, -8.25], [-76.75, -8.0], [-76.62, -7.7], [-76.75, -7.65], [-77.0, -7.75], [-77.53, -7.53], [-77.75, -7.0], [-77.53, -6.47], [-77.18, -6.32], [-77.15, -6.25], [-77.25, -6.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.787907981561375}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9129505303517638}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.842835854745942, 27.32740925386122, 27.229182638208044, 27.249645844187057]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.320488109969574, 29.138986763961896, 28.970076459384472, 29.23551042101252]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6195439199207158, 1.9918089079244066, 1.896212366293303, 1.88910074428511]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.86996302670957, 2.787907981561375, 2.3855490859460247, 2.548028865727929]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4108336371151555, 1.7823267420080477, 1.6912099125645184, 1.6716330097256737]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4737873575215559, 2.1439575452684894, 2.222890197564525, 2.2023858267055916]}}