{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:00.061828", "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": "2011-Jul-07_to_2011-Jul-10_252.5_28.5"}, "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": 2011070002127}, "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 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2011"}, "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": 67864.28722009677}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-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": 28.5}, "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": 252.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "252.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 251.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 254.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-109.25, 30.5], [-109.03, 31.03], [-108.5, 31.25], [-107.97, 31.03], [-107.82, 30.68], [-107.75, 30.65], [-107.5, 30.75], [-106.97, 30.53], [-106.82, 30.18], [-106.47, 30.03], [-106.32, 29.68], [-105.97, 29.53], [-105.75, 29.0], [-105.97, 28.47], [-106.32, 28.32], [-106.35, 28.25], [-106.32, 28.18], [-105.97, 28.03], [-105.75, 27.5], [-105.97, 26.97], [-106.5, 26.75], [-106.75, 26.85], [-107.0, 26.75], [-107.25, 26.85], [-107.5, 26.75], [-108.03, 26.97], [-108.25, 27.5], [-108.15, 27.75], [-108.18, 27.82], [-108.53, 27.97], [-108.75, 28.5], [-108.54, 29.0], [-108.75, 29.5], [-108.65, 29.75], [-108.68, 29.82], [-109.03, 29.97], [-109.25, 30.5]]]]}, "2011-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-109.25, 30.5], [-109.03, 31.03], [-108.5, 31.25], [-107.97, 31.03], [-107.82, 30.68], [-107.75, 30.65], [-107.5, 30.75], [-106.97, 30.53], [-106.82, 30.18], [-106.75, 30.15], [-106.5, 30.25], [-105.97, 30.03], [-105.75, 29.5], [-105.85, 29.25], [-105.82, 29.18], [-105.47, 29.03], [-105.25, 28.5], [-105.35, 28.25], [-105.25, 28.0], [-105.35, 27.75], [-105.25, 27.5], [-105.35, 27.25], [-105.25, 27.0], [-105.47, 26.47], [-106.0, 26.25], [-106.25, 26.35], [-106.5, 26.25], [-107.03, 26.47], [-107.18, 26.82], [-107.25, 26.85], [-107.5, 26.75], [-108.03, 26.97], [-108.25, 27.5], [-108.15, 27.75], [-108.18, 27.82], [-108.53, 27.97], [-108.75, 28.5], [-108.54, 29.0], [-108.75, 29.5], [-108.65, 29.75], [-108.68, 29.82], [-109.03, 29.97], [-109.25, 30.5]]]]}, "2011-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-109.25, 30.5], [-109.03, 31.03], [-108.5, 31.25], [-107.97, 31.03], [-107.82, 30.68], [-107.75, 30.65], [-107.5, 30.75], [-106.97, 30.53], [-106.82, 30.18], [-106.75, 30.15], [-106.5, 30.25], [-105.97, 30.03], [-105.75, 29.5], [-105.85, 29.25], [-105.82, 29.18], [-105.47, 29.03], [-105.25, 28.5], [-105.35, 28.25], [-105.25, 28.0], [-105.35, 27.75], [-105.25, 27.5], [-105.35, 27.25], [-105.25, 27.0], [-105.47, 26.47], [-106.0, 26.25], [-106.25, 26.35], [-106.5, 26.25], [-107.03, 26.47], [-107.18, 26.82], [-107.25, 26.85], [-107.5, 26.75], [-108.03, 26.97], [-108.25, 27.5], [-108.15, 27.75], [-108.18, 27.82], [-108.53, 27.97], [-108.75, 28.5], [-108.54, 29.0], [-108.75, 29.5], [-108.65, 29.75], [-108.68, 29.82], [-109.03, 29.97], [-109.25, 30.5]]]]}, "2011-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-108.15, 28.75], [-108.25, 29.0], [-108.15, 29.25], [-108.25, 29.5], [-108.15, 29.75], [-108.25, 30.0], [-108.03, 30.53], [-107.5, 30.75], [-106.97, 30.53], [-106.82, 30.18], [-106.75, 30.15], [-106.5, 30.25], [-105.97, 30.03], [-105.75, 29.5], [-105.85, 29.25], [-105.82, 29.18], [-105.47, 29.03], [-105.25, 28.5], [-105.35, 28.25], [-105.25, 28.0], [-105.35, 27.75], [-105.25, 27.5], [-105.35, 27.25], [-105.25, 27.0], [-105.47, 26.47], [-106.0, 26.25], [-106.25, 26.35], [-106.5, 26.25], [-107.03, 26.47], [-107.18, 26.82], [-107.53, 26.97], [-107.68, 27.32], [-108.03, 27.47], [-108.25, 28.0], [-108.15, 28.25], [-108.25, 28.5], [-108.15, 28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.471256577248312}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4375878903442767}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.335849246050714, 25.294892128708682, 25.24514681933431, 25.053571767052574]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.847401776956872, 29.44583076351813, 29.41676841830798, 29.630023194647777]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7168781812248324, 3.7683493500907432, 3.7512654120551723, 3.244642416274101]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.348715501266895, 4.286575642611467, 4.471256577248312, 3.8915724158855483]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3990332134993195, 1.8962466806752274, 1.8832233293326397, 1.619257842722631]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7490893895125652, 2.3281235702474383, 2.249633765862788, 2.007508016602072]}}