A análise mesoescala em tempo real (RTMA, na sigla em inglês) é uma análise de alta resolução espacial e temporal para condições climáticas próximas à superfície. Esse conjunto de dados inclui análises horárias em 2,5 km para os EUA continentais.
Bandas
Tamanho do pixel 2500 metros
Bandas
Nome
Unidades
Mín.
Máx.
Tamanho do pixel
Descrição
HGT
m
-81*
4226*
metros
Modelar a elevação do terreno
PRES
Pa
60848*
105183*
metros
Pressão
TMP
°C
-43,2*
43,73*
metros
Temperatura
DPT
°C
-81,41*
30,92*
metros
Temperatura do ponto de condensação
UGRD
m/s
-32,93*
34,04*
metros
Componente U do vento
VGRD
m/s
-28,44*
39,21*
metros
Componente V do vento
SPFH
Fração mássica
0*
0,02*
metros
Umidade específica
WDIR
graus
0*
360*
metros
Direção do vento (de onde ele está soprando)
WIND
m/s
0*
42,46*
metros
Velocidade do vento
GUST
m/s
0*
58.02*
metros
Velocidade do vento (rajada)
VIS
m
0*
20000*
metros
Visibilidade
TCDC
%
0*
100*
metros
Cobertura total de nuvens
ACPC01
kg/m^2
0*
1*
metros
Precipitação total
* valor mínimo ou máximo estimado
Termos de Uso
Termos de Uso
Os dados, as informações e os produtos da NOAA, independentemente do método de entrega, não estão sujeitos a direitos autorais e não têm restrições quanto ao uso posterior pelo público. Depois de obtidos, eles podem ser usados para qualquer finalidade legal. Os dados acima estão em domínio público e são fornecidos sem restrição de uso e distribuição. Para mais informações, acesse o
site de exoneração de responsabilidade da NWS.
A análise mesoescala em tempo real (RTMA, na sigla em inglês) é uma análise de alta resolução espacial e temporal para condições climáticas próximas à superfície. Esse conjunto de dados inclui análises por hora a 2,5 km para CONUS.
[null,null,[],[[["\u003cp\u003eThe Real-Time Mesoscale Analysis (RTMA) dataset provides hourly, 2.5 km resolution analyses of near-surface weather conditions for the Continental US (CONUS).\u003c/p\u003e\n"],["\u003cp\u003eIt includes various weather parameters like temperature, wind speed, humidity, precipitation, and cloud cover.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is freely available for use without restrictions, provided by NOAA/NWS.\u003c/p\u003e\n"],["\u003cp\u003eIt covers the period from January 1, 2011, to December 12, 2024.\u003c/p\u003e\n"],["\u003cp\u003eUsers can explore and analyze the RTMA dataset using Google Earth Engine.\u003c/p\u003e\n"]]],["The NOAA/NWS RTMA dataset provides hourly, 2.5 km resolution analyses of near-surface weather conditions for CONUS from 2011-01-01 to 2025-02-22. It includes data on pressure, temperature, dew point, wind (speed, direction, and components), humidity, cloud cover, and precipitation, among other parameters. The data, provided by NOAA/NWS, is available via Google Earth Engine and is free to use without restriction. The dataset is updated every hour, with a pixel size of 2500 meters.\n"],null,["Dataset Availability\n: 2011-01-01T00:00:00Z--2025-08-31T18:00:00Z\n\nDataset Provider\n:\n\n\n [NOAA/NWS](https://www.nco.ncep.noaa.gov/pmb/products/rtma/)\n\nCadence\n: 1 Hour\n\nTags\n:\n [atmosphere](/earth-engine/datasets/tags/atmosphere) [climate](/earth-engine/datasets/tags/climate) [cloud](/earth-engine/datasets/tags/cloud) [geophysical](/earth-engine/datasets/tags/geophysical) [humidity](/earth-engine/datasets/tags/humidity) [noaa](/earth-engine/datasets/tags/noaa) [nws](/earth-engine/datasets/tags/nws) [precipitation](/earth-engine/datasets/tags/precipitation) [pressure](/earth-engine/datasets/tags/pressure) [surface](/earth-engine/datasets/tags/surface) [temperature](/earth-engine/datasets/tags/temperature) [weather](/earth-engine/datasets/tags/weather) [wind](/earth-engine/datasets/tags/wind) \n rtma \nvisibility \n\nDescription \nThe Real-Time Mesoscale Analysis (RTMA) is a high-spatial and temporal\nresolution analysis for near-surface weather conditions. This dataset\nincludes hourly analyses at 2.5 km for CONUS.\n\nBands\n\n\n**Pixel Size**\n\n2500 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|----------|---------------|----------|----------|------------|-------------------------------------|\n| `HGT` | m | -81\\* | 4226\\* | meters | Model terrain elevation |\n| `PRES` | Pa | 60848\\* | 105183\\* | meters | Pressure |\n| `TMP` | °C | -43.2\\* | 43.73\\* | meters | Temperature |\n| `DPT` | °C | -81.41\\* | 30.92\\* | meters | Dew point temperature |\n| `UGRD` | m/s | -32.93\\* | 34.04\\* | meters | U-component of wind |\n| `VGRD` | m/s | -28.44\\* | 39.21\\* | meters | V-component of wind |\n| `SPFH` | Mass fraction | 0\\* | 0.02\\* | meters | Specific humidity |\n| `WDIR` | deg | 0\\* | 360\\* | meters | Wind direction (from which blowing) |\n| `WIND` | m/s | 0\\* | 42.46\\* | meters | Wind speed |\n| `GUST` | m/s | 0\\* | 58.02\\* | meters | Wind speed (gust) |\n| `VIS` | m | 0\\* | 20000\\* | meters | Visibility |\n| `TCDC` | % | 0\\* | 100\\* | meters | Total cloud cover |\n| `ACPC01` | kg/m\\^2 | 0\\* | 1\\* | meters | Total precipitation |\n\n\\* estimated min or max value\n\nTerms of Use\n\n**Terms of Use**\n\nNOAA data, information, and products, regardless of the method of delivery,\nare not subject to copyright and carry no restrictions on their subsequent\nuse by the public. Once obtained, they may be put to any lawful use. The\nforgoing data is in the public domain and is being provided without\nrestriction on use and distribution. For more information visit the\n[NWS disclaimer site](https://www.weather.gov/disclaimer/).\n\nExplore with Earth Engine **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)\n\nCode Editor (JavaScript) \n\n```javascript\nvar dataset = ee.ImageCollection('NOAA/NWS/RTMA')\n .filter(ee.Filter.date('2018-03-01', '2018-03-02'));\nvar windSpeed = dataset.select('WIND');\nvar windSpeedVis = {\n min: 0.0,\n max: 12.0,\n palette: ['001137', '01abab', 'e7eb05', '620500'],\n};\nMap.setCenter(-95.62, 39.91, 4);\nMap.addLayer(windSpeed, windSpeedVis, 'Wind Speed');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/NOAA/NOAA_NWS_RTMA) \n[RTMA: Real-Time Mesoscale Analysis](/earth-engine/datasets/catalog/NOAA_NWS_RTMA) \nThe 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. \nNOAA/NWS/RTMA, atmosphere,climate,cloud,geophysical,humidity,noaa,nws,precipitation,pressure,surface,temperature,weather,wind \n2011-01-01T00:00:00Z/2025-08-31T18:00:00Z \n20.15 -130.17 52.91 -60.81 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://www.nco.ncep.noaa.gov/pmb/products/rtma/)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/NOAA_NWS_RTMA)"]]
