{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:17:39.046527", "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": "2020-Jul-21_to_2020-Jul-25_101.5_28.0"}, "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": 2020070002842}, "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 21 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2020"}, "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": 54423.89353518313}, "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": ["China"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 28.0}, "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": 101.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "101.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 100.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 101.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[100.323, 27.323], [99.97, 27.47], [99.75, 28.0], [99.854, 28.25], [99.823, 28.323], [99.47, 28.47], [99.25, 29.0], [99.354, 29.25], [99.25, 29.5], [99.354, 29.75], [99.25, 30.0], [99.47, 30.53], [100.0, 30.75], [100.53, 30.53], [100.677, 30.177], [101.0, 30.043], [101.5, 30.25], [102.03, 30.03], [102.25, 29.5], [102.146, 29.25], [102.25, 29.0], [102.146, 28.75], [102.25, 28.5], [102.146, 28.25], [102.25, 28.0], [102.146, 27.75], [102.25, 27.5], [102.146, 27.25], [102.146, 27.249], [102.25, 27.0], [102.146, 26.751], [102.146, 26.75], [102.25, 26.5], [102.03, 25.97], [101.5, 25.75], [101.25, 25.854], [101.0, 25.75], [100.47, 25.97], [100.25, 26.5], [100.354, 26.75], [100.25, 27.0], [100.354, 27.25], [100.323, 27.323]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "E.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-21T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.32322330470336, 28.32322330470336], [99.96966991411009, 28.46966991411009], [99.75, 29.0], [99.96966991411009, 29.53033008588991], [100.5, 29.75], [101.0, 29.542893218813454], [101.5, 29.75], [102.03033008588991, 29.53033008588991], [102.25, 29.0], [102.14644660940672, 28.75], [102.25, 28.5], [102.14644660940672, 28.25], [102.25, 28.0], [102.03033008588991, 27.46966991411009], [101.5, 27.25], [100.96966991411009, 27.46966991411009], [100.82322330470336, 27.82322330470336], [100.46966991411009, 27.96966991411009], [100.32322330470336, 28.32322330470336]]]}, "2020-07-22T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.35355339059328, 29.25], [99.25, 29.5], [99.35355339059328, 29.75], [99.25, 30.0], [99.46966991411009, 30.53033008588991], [100.0, 30.75], [100.53033008588991, 30.53033008588991], [100.67677669529664, 30.17677669529664], [101.0, 30.042893218813454], [101.5, 30.25], [102.03033008588991, 30.03033008588991], [102.25, 29.5], [102.14644660940672, 29.25], [102.25, 29.0], [102.14644660940672, 28.75], [102.25, 28.5], [102.14644660940672, 28.25], [102.25, 28.0], [102.14644660940672, 27.75], [102.25, 27.5], [102.04289321881346, 27.0], [102.25, 26.5], [102.03033008588991, 25.96966991411009], [101.5, 25.75], [100.96966991411009, 25.96966991411009], [100.82322330470336, 26.32322330470336], [100.46966991411009, 26.46966991411009], [100.25, 27.0], [100.35355339059328, 27.25], [100.32322330470336, 27.32322330470336], [99.96966991411009, 27.46966991411009], [99.75, 28.0], [99.85355339059328, 28.25], [99.82322330470336, 28.32322330470336], [99.46966991411009, 28.46966991411009], [99.25, 29.0], [99.35355339059328, 29.25]]]}, "2020-07-23T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.35355339059328, 29.25], [99.25, 29.5], [99.35355339059328, 29.75], [99.25, 30.0], [99.46966991411009, 30.53033008588991], [100.0, 30.75], [100.53033008588991, 30.53033008588991], [100.67677669529664, 30.17677669529664], [101.0, 30.042893218813454], [101.5, 30.25], [102.03033008588991, 30.03033008588991], [102.25, 29.5], [102.14644660940672, 29.25], [102.25, 29.0], [102.14644660940672, 28.75], [102.25, 28.5], [102.14644660940672, 28.25], [102.25, 28.0], [102.14644660940672, 27.75], [102.25, 27.5], [102.14644660940672, 27.25], [102.25, 27.0], [102.14644660940672, 26.75], [102.25, 26.5], [102.03033008588991, 25.96966991411009], [101.5, 25.75], [101.25, 25.853553390593273], [101.0, 25.75], [100.46966991411009, 25.96966991411009], [100.25, 26.5], [100.35355339059328, 26.75], [100.25, 27.0], [100.35355339059328, 27.25], [100.32322330470336, 27.32322330470336], [99.96966991411009, 27.46966991411009], [99.75, 28.0], [99.85355339059328, 28.25], [99.82322330470336, 28.32322330470336], [99.46966991411009, 28.46966991411009], [99.25, 29.0], [99.35355339059328, 29.25]]]}, "2020-07-24T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.35355339059328, 29.25], [99.25, 29.5], [99.35355339059328, 29.75], [99.25, 30.0], [99.46966991411009, 30.53033008588991], [100.0, 30.75], [100.53033008588991, 30.53033008588991], [100.67677669529664, 30.17677669529664], [101.0, 30.042893218813454], [101.5, 30.25], [102.03033008588991, 30.03033008588991], [102.25, 29.5], [102.14644660940672, 29.25], [102.25, 29.0], [102.14644660940672, 28.75], [102.25, 28.5], [102.14644660940672, 28.25], [102.25, 28.0], [102.14644660940672, 27.75], [102.25, 27.5], [102.14644660940672, 27.25], [102.25, 27.0], [102.14644660940672, 26.75], [102.25, 26.5], [102.03033008588991, 25.96966991411009], [101.5, 25.75], [101.25, 25.853553390593273], [101.0, 25.75], [100.46966991411009, 25.96966991411009], [100.25, 26.5], [100.35355339059328, 26.75], [100.25, 27.0], [100.35355339059328, 27.25], [100.32322330470336, 27.32322330470336], [99.96966991411009, 27.46966991411009], [99.75, 28.0], [99.85355339059328, 28.25], [99.82322330470336, 28.32322330470336], [99.46966991411009, 28.46966991411009], [99.25, 29.0], [99.35355339059328, 29.25]]]}, "2020-07-25T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[100.35355339059328, 26.75], [100.25, 27.0], [100.35355339059328, 27.25], [100.25, 27.5], [100.46966991411009, 28.03033008588991], [100.82322330470336, 28.17677669529664], [100.85355339059328, 28.25], [100.80177669529664, 28.375], [100.5, 28.25], [99.96966991411009, 28.46966991411009], [99.75, 29.0], [99.96966991411009, 29.53033008588991], [100.5, 29.75], [101.03033008588991, 29.53033008588991], [101.19822330470336, 29.125], [101.5, 29.25], [102.03033008588991, 29.03033008588991], [102.25, 28.5], [102.14644660940672, 28.25], [102.25, 28.0], [102.14644660940672, 27.75], [102.25, 27.5], [102.14644660940672, 27.25], [102.25, 27.0], [102.14644660940672, 26.75], [102.25, 26.5], [102.03033008588991, 25.96966991411009], [101.5, 25.75], [101.25, 25.853553390593273], [101.0, 25.75], [100.46966991411009, 25.96966991411009], [100.25, 26.5], [100.35355339059328, 26.75]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4018868288513886}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.018514314694521}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.118507379735604, 14.924529836257193, 15.565726228217954, 15.6989803608094, 18.947115943099107]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.065562617251487, 25.44914998116741, 26.10691146722138, 26.65665074723239, 26.909265616876326]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0721643874228675, 2.0478766485407345, 1.9104693388042506, 2.030482451218572, 2.143488138522388]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.421688469549565, 2.340230984928212, 2.61447548532243, 3.1497547904148746, 3.4018868288513886]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4513299117782752, 1.5024968766998283, 1.4259161656544945, 1.5638273235772966, 1.7127814395284569]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7008882521555715, 1.7045542840494814, 1.8199120590692246, 2.260055597836037, 2.4798545065297715]}}