Google Earth Engine——实时中尺度分析（RTMA）是一个高空间和时间分辨率的近地面天气状况分析。该数据集包括美国全国2.5公里处的每小时分析结果。

The Real-Time Mesoscale Analysis (RTMA) is a high-spatial and temporal resolution analysis for near-surface weather conditions. This dataset includes hourly analyses at 2.5 km for CONUS.

实时中尺度分析（RTMA）是一个高空间和时间分辨率的近地面天气状况分析。该数据集包括美国全国2.5公里处的每小时分析结果。

Dataset Availability

2015-06-18T00:00:00 - 2021-09-30T00:00:00

Dataset Provider

NOAA/NWS

Collection Snippet

ee.ImageCollection("NOAA/NWS/RTMA")

Resolution

2500 meters

Bands Table

* = Values are estimated

使用说明：

NOAA data, information, and products, regardless of the method of delivery, are not subject to copyright and carry no restrictions on their subsequent use by the public. Once obtained, they may be put to any lawful use. The forgoing data is in the public domain and is being provided without restriction on use and distribution. For more information visit the NWS disclaimer site.

代码：

var dataset = ee.ImageCollection('NOAA/NWS/RTMA')
                  .filter(ee.Filter.date('2018-03-01', '2018-03-02'));
var windSpeed = dataset.select('WIND');
var windSpeedVis = {
  min: 0.0,
  max: 12.0,
  palette: ['001137', '01abab', 'e7eb05', '620500'],
};
Map.setCenter(-95.62, 39.91, 4);
Map.addLayer(windSpeed, windSpeedVis, 'Wind Speed');