![NOAA/NWS/RTMA](https://developers.google.com/earth-engine/datasets/images/NOAA/NOAA_NWS_RTMA_sample.png)

Dataset Availability
:   2011-01-01T00:00:00Z--2026-11-10T18:00:00Z

Dataset Producer
:


    [NOAA/NWS](https://www.nco.ncep.noaa.gov/pmb/products/rtma/)

Cadence
:   1 Hour

Tags
:
    [atmosphere](https://developers.google.com/earth-engine/datasets/tags/atmosphere.md.txt) [climate](https://developers.google.com/earth-engine/datasets/tags/climate.md.txt) [cloud](https://developers.google.com/earth-engine/datasets/tags/cloud.md.txt) [geophysical](https://developers.google.com/earth-engine/datasets/tags/geophysical.md.txt) [humidity](https://developers.google.com/earth-engine/datasets/tags/humidity.md.txt) [noaa](https://developers.google.com/earth-engine/datasets/tags/noaa.md.txt) [nws](https://developers.google.com/earth-engine/datasets/tags/nws.md.txt) [precipitation](https://developers.google.com/earth-engine/datasets/tags/precipitation.md.txt) [pressure](https://developers.google.com/earth-engine/datasets/tags/pressure.md.txt) [surface](https://developers.google.com/earth-engine/datasets/tags/surface.md.txt) [temperature](https://developers.google.com/earth-engine/datasets/tags/temperature.md.txt) [weather](https://developers.google.com/earth-engine/datasets/tags/weather.md.txt) [wind](https://developers.google.com/earth-engine/datasets/tags/wind.md.txt) rtma visibility

#### Description

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.

### Bands

**Bands**

Pixel size: 2500 meters (all bands)

| Name | Units | Min | Max | Pixel Size | Description |
|---|---|---|---|---|---|
| `HGT` | m | -81\* | 4226\* | 2500 meters | Model terrain elevation |
| `PRES` | Pa | 60848\* | 105183\* | 2500 meters | Pressure |
| `TMP` | °C | -43.2\* | 43.73\* | 2500 meters | Temperature |
| `DPT` | °C | -81.41\* | 30.92\* | 2500 meters | Dew point temperature |
| `UGRD` | m/s | -32.93\* | 34.04\* | 2500 meters | U-component of wind |
| `VGRD` | m/s | -28.44\* | 39.21\* | 2500 meters | V-component of wind |
| `SPFH` | Mass fraction | 0\* | 0.02\* | 2500 meters | Specific humidity |
| `WDIR` | deg | 0\* | 360\* | 2500 meters | Wind direction (from which blowing) |
| `WIND` | m/s | 0\* | 42.46\* | 2500 meters | Wind speed |
| `GUST` | m/s | 0\* | 58.02\* | 2500 meters | Wind speed (gust) |
| `VIS` | m | 0\* | 20000\* | 2500 meters | Visibility |
| `TCDC` | % | 0\* | 100\* | 2500 meters | Total cloud cover |
| `ACPC01` | kg/m\^2 | 0\* | 1\* | 2500 meters | Total precipitation |

\* estimated min or max value

### Terms of Use

**Terms of Use**

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](https://www.weather.gov/disclaimer/).

### Explore with Earth Engine

> [!NOTE]
> **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)

### Code Editor (JavaScript)

```javascript
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');
```
[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/NOAA/NOAA_NWS_RTMA) [RTMA: Real-Time Mesoscale Analysis](https://developers.google.com/earth-engine/datasets/catalog/NOAA_NWS_RTMA.md.txt) 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. NOAA/NWS/RTMA, atmosphere,climate,cloud,geophysical,humidity,noaa,nws,precipitation,pressure,surface,temperature,weather,wind 2011-01-01T00:00:00Z/2026-11-10T18:00:00Z 20.15 -130.17 52.91 -60.81 Google Earth Engine https://developers.google.com/earth-engine/datasets

- [](https://doi.org/https://www.nco.ncep.noaa.gov/pmb/products/rtma/)
- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/NOAA_NWS_RTMA)