[field_related_solution_area] Products

High-Resolution Land Data Assimilation System (HRLDAS)

The High-Resolution Land Data Assimilation System (HRLDAS) is an offline driver of the land surface models present in the Weather Research and... more

HRLDAS-produced volumetric surface soil moisture at 4-km resolution over the central United States.

RAL scientists work to understand, through theoretical and observational studies, the complex biophysical, hydrological, and bio-geochemical interactions between the land-surface and the... more

Unified Noah LSM
WRF Model Output

The Weather Research and Forecasting (WRF) Model is a next-generation mesoscale numerical weather prediction system designed to serve both atmospheric research and operational... more

WRF model output showing simulated radar reflectivity (dBZ) for Typhoon Mawar at 3.3-km (2.1-mi) grid spacing. Time period is from 0000 UTC 22 August 2005 to 0000 UTC 24 August 2005.

RAL has been engaged with the research community to develop an integrated modeling system that captures interactions between weather, climate, crop growth, urbanization, and hydrology. Developing... more

A High-Resolution Land-Data Assimilation System (HRLDAS) was developed at NCAR/RAL to provide analysis and prediction of high-resolution soil and vegetation conditions. The advantage of... more

10-day high-resolution soil-moisture prediction generated by combining DICast® and HRLDAS.

The Dynamic Integrated foreCast (DICast®) system is tasked with ingesting meteorological data (observations, models, statistical data, climate data, etc.) and producing meteorological forecasts at... more

DICast® System
Gridded ForecastingSample image of the surface air temperature generated by GRAFS at 21 UTC on April 8, 2009.

GRAFS (GRidded Atmospheric Forecast System) is a software system that is designed to... more

LOGICast™ software system
OverviewWater System: Improve the community Noah-MP LSM to enhance WRF high-resolution climate modeling capabilities

A collaborative effort among NCAR, NCEP, NASA, and university groups has been... more

Observed and modeled Snow Water Equivalent (SWE) by six land surface models, averaged over 112 SNOTEL sites.

The WRF/Noah LSM Coupled system consists of a large number of comprehensive terristrial data sets, their processing onto WRF grid through WRF/SI and Real routines, and the Unified Noah LSM as part... more

WRF Noah Noah-MP Modeling System
Enhancing the WRF-urban modeling system and its applications to real-time weather forecasts for mega cities18 – 20Z absolute bias difference in two-meter temperature (a) and ten-meter wind speed (b)... more