Gerçek Zamanlı Orta Ölçekli Analiz (RTMA), yüzeye yakın hava koşulları için yüksek mekansal ve zamansal çözünürlüklü bir analizdir. Bu veri kümesi, CONUS için 2,5 km'lik aralıklarla saatlik analizler içerir.
Bantlar
Piksel Boyutu 2.500 metre
Bantlar
Ad
Birimler
Min.
Maks.
Piksel Boyutu
Açıklama
HGT
dk.
-81*
4.226*
metre
Arazi yüksekliğini modelleme
PRES
Pa
60.848*
105183*
metre
Basınç
TMP
°C
-43,2*
43,73*
metre
Sıcaklık
DPT
°C
-81,41*
30,92*
metre
Çiğlenme noktası sıcaklığı
UGRD
m/sn
-32,93*
34,04*
metre
Rüzgarın U bileşeni
VGRD
m/sn
-28,44*
39,21*
metre
Rüzgarın V bileşeni
SPFH
Kütle oranı
0*
0,02*
metre
Özgül nem
WDIR
drc
0*
360*
metre
Rüzgar yönü (estiği yön)
WIND
m/sn
0*
42,46*
metre
Rüzgar hızı
GUST
m/sn
0*
58,02*
metre
Rüzgar hızı (ani rüzgar)
VIS
dk.
0*
20.000*
metre
Görünürlük
TCDC
%
0*
100*
metre
Toplam bulut örtüsü
ACPC01
kg/m^2
0*
1*
metre
Toplam yağış
* tahmini minimum veya maksimum değer
Kullanım Şartları
Kullanım Şartları
Teslimat yönteminden bağımsız olarak NOAA verileri, bilgileri ve ürünleri telif hakkına tabi değildir ve kamu tarafından daha sonraki kullanımlarıyla ilgili herhangi bir kısıtlama yoktur. Bu bilgiler, elde edildikten sonra yasal olarak kullanılabilir. Yukarıdaki veriler kamuya açık olup kullanım ve dağıtım konusunda herhangi bir kısıtlama olmaksızın sağlanmaktadır. Daha fazla bilgi için NWS sorumluluk reddi beyanı sitesini ziyaret edin.
Gerçek Zamanlı Orta Ölçekli Analiz (RTMA), yüzeye yakın hava koşulları için yüksek mekansal ve zamansal çözünürlüklü bir analizdir. Bu veri kümesi, CONUS için 2,5 km'lik aralıklarla saatlik analizler içerir.
[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)"]]
