{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:01.274073", "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-10_to_2011-Jul-14_275.5_35.0"}, "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": 2011070002297}, "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 10 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 14 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 137752.00772925888}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": 35.0}, "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": 275.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 281.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 36.0], [-86.53, 36.53], [-86.18, 36.68], [-86.03, 37.03], [-85.5, 37.25], [-85.25, 37.15], [-85.18, 37.18], [-85.03, 37.53], [-84.5, 37.75], [-84.25, 37.65], [-84.0, 37.75], [-83.47, 37.53], [-83.32, 37.18], [-83.25, 37.15], [-83.0, 37.25], [-82.75, 37.15], [-82.5, 37.25], [-82.25, 37.15], [-82.0, 37.25], [-81.47, 37.03], [-81.25, 36.5], [-81.47, 35.97], [-82.0, 35.75], [-82.25, 35.85], [-82.32, 35.82], [-82.47, 35.47], [-82.82, 35.32], [-82.97, 34.97], [-83.5, 34.75], [-83.75, 34.85], [-83.82, 34.82], [-83.97, 34.47], [-84.5, 34.25], [-85.03, 34.47], [-85.18, 34.82], [-85.5, 34.96], [-85.82, 34.82], [-85.97, 34.47], [-86.5, 34.25], [-87.03, 34.47], [-87.25, 35.0], [-87.03, 35.53], [-86.68, 35.68], [-86.65, 35.75], [-86.75, 36.0]]]]}, "2011-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 36.0], [-86.53, 36.53], [-86.18, 36.68], [-86.03, 37.03], [-85.5, 37.25], [-85.25, 37.15], [-85.18, 37.18], [-85.03, 37.53], [-84.5, 37.75], [-84.25, 37.65], [-84.0, 37.75], [-83.47, 37.53], [-83.32, 37.18], [-83.25, 37.15], [-83.0, 37.25], [-82.75, 37.15], [-82.5, 37.25], [-82.25, 37.15], [-82.18, 37.18], [-82.03, 37.53], [-81.5, 37.75], [-81.25, 37.65], [-81.0, 37.75], [-80.75, 37.65], [-80.68, 37.68], [-80.53, 38.03], [-80.18, 38.18], [-80.15, 38.25], [-80.25, 38.5], [-80.03, 39.03], [-79.5, 39.25], [-78.97, 39.03], [-78.82, 38.68], [-78.47, 38.53], [-78.25, 38.0], [-78.47, 37.47], [-78.82, 37.32], [-78.97, 36.97], [-79.32, 36.82], [-79.47, 36.47], [-80.0, 36.25], [-80.25, 36.35], [-80.32, 36.32], [-80.47, 35.97], [-80.82, 35.82], [-80.97, 35.47], [-81.32, 35.32], [-81.47, 34.97], [-81.82, 34.82], [-81.85, 34.75], [-81.75, 34.5], [-81.85, 34.25], [-81.75, 34.0], [-81.97, 33.47], [-82.5, 33.25], [-82.75, 33.35], [-82.82, 33.32], [-82.97, 32.97], [-83.5, 32.75], [-84.03, 32.97], [-84.18, 33.32], [-84.53, 33.47], [-84.68, 33.82], [-85.03, 33.97], [-85.25, 34.5], [-85.15, 34.75], [-85.18, 34.82], [-85.5, 34.96], [-85.82, 34.82], [-85.97, 34.47], [-86.5, 34.25], [-87.03, 34.47], [-87.25, 35.0], [-87.03, 35.53], [-86.68, 35.68], [-86.65, 35.75], [-86.75, 36.0]]]]}, "2011-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 36.0], [-86.53, 36.53], [-86.18, 36.68], [-86.03, 37.03], [-85.5, 37.25], [-85.25, 37.15], [-85.18, 37.18], [-85.03, 37.53], [-84.5, 37.75], [-84.25, 37.65], [-84.0, 37.75], [-83.47, 37.53], [-83.32, 37.18], [-83.25, 37.15], [-83.0, 37.25], [-82.75, 37.15], [-82.5, 37.25], [-82.25, 37.15], [-82.18, 37.18], [-82.03, 37.53], [-81.5, 37.75], [-81.25, 37.65], [-81.0, 37.75], [-80.75, 37.65], [-80.68, 37.68], [-80.53, 38.03], [-80.18, 38.18], [-80.15, 38.25], [-80.25, 38.5], [-80.03, 39.03], [-79.5, 39.25], [-78.97, 39.03], [-78.82, 38.68], [-78.47, 38.53], [-78.25, 38.0], [-78.47, 37.47], [-78.82, 37.32], [-78.97, 36.97], [-79.32, 36.82], [-79.47, 36.47], [-80.0, 36.25], [-80.25, 36.35], [-80.32, 36.32], [-80.47, 35.97], [-80.82, 35.82], [-80.97, 35.47], [-81.32, 35.32], [-81.47, 34.97], [-81.82, 34.82], [-81.85, 34.75], [-81.75, 34.5], [-81.85, 34.25], [-81.75, 34.0], [-81.97, 33.47], [-82.5, 33.25], [-82.75, 33.35], [-82.82, 33.32], [-82.97, 32.97], [-83.5, 32.75], [-84.03, 32.97], [-84.18, 33.32], [-84.53, 33.47], [-84.68, 33.82], [-85.03, 33.97], [-85.25, 34.5], [-85.15, 34.75], [-85.18, 34.82], [-85.5, 34.96], [-85.82, 34.82], [-85.97, 34.47], [-86.5, 34.25], [-87.03, 34.47], [-87.25, 35.0], [-87.03, 35.53], [-86.68, 35.68], [-86.65, 35.75], [-86.75, 36.0]]]]}, "2011-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.15, 35.25], [-85.25, 35.5], [-85.03, 36.03], [-84.68, 36.18], [-84.53, 36.53], [-84.0, 36.75], [-83.75, 36.65], [-83.5, 36.75], [-83.25, 36.65], [-83.0, 36.75], [-82.75, 36.65], [-82.68, 36.68], [-82.53, 37.03], [-82.18, 37.18], [-82.03, 37.53], [-81.5, 37.75], [-81.25, 37.65], [-81.0, 37.75], [-80.75, 37.65], [-80.68, 37.68], [-80.53, 38.03], [-80.18, 38.18], [-80.15, 38.25], [-80.25, 38.5], [-80.03, 39.03], [-79.5, 39.25], [-78.97, 39.03], [-78.82, 38.68], [-78.47, 38.53], [-78.25, 38.0], [-78.47, 37.47], [-78.82, 37.32], [-78.97, 36.97], [-79.32, 36.82], [-79.47, 36.47], [-80.0, 36.25], [-80.25, 36.35], [-80.32, 36.32], [-80.47, 35.97], [-80.82, 35.82], [-80.97, 35.47], [-81.32, 35.32], [-81.47, 34.97], [-81.82, 34.82], [-81.85, 34.75], [-81.75, 34.5], [-81.85, 34.25], [-81.75, 34.0], [-81.97, 33.47], [-82.5, 33.25], [-82.75, 33.35], [-82.82, 33.32], [-82.97, 32.97], [-83.5, 32.75], [-84.03, 32.97], [-84.18, 33.32], [-84.53, 33.47], [-84.68, 33.82], [-85.03, 33.97], [-85.25, 34.5], [-85.15, 34.75], [-85.25, 35.0], [-85.15, 35.25]]]]}, "2011-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.53, 36.53], [-84.0, 36.75], [-83.47, 36.53], [-83.25, 36.0], [-83.47, 35.47], [-83.87, 35.3], [-83.75, 35.0], [-83.97, 34.47], [-84.5, 34.25], [-85.03, 34.47], [-85.25, 35.0], [-85.03, 35.53], [-84.62, 35.7], [-84.75, 36.0], [-84.53, 36.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.979486211740891}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.152592500416853}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.902852648118824, 27.328292594624713, 27.653536654716333, 26.633278500810263, 26.994264851279354]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.608678127706355, 30.028177324027638, 31.374863563565384, 31.139929848636427, 27.576257950833508]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.408769333736217, 3.2465042722467583, 3.5928255996540956, 2.9068943272843524, 2.180600922321787]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.844130237046784, 4.853514496657056, 4.979486211740891, 4.047487869436793, 2.3838073557631674]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3572213068921146, 1.8093869616422615, 2.063395813221648, 1.6738975362682784, 1.3260324370493213]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.537381050092329, 2.59911345971956, 2.813130910377341, 2.163209077739762, 1.3914535929294787]}}