[field_related_solution_area] Products

High Resolution Analysis

Rapid updated high-resolution meteorological analysis is one  of the key requirements for the improvement of forecasting  various hazardous weather events. Operational... more

FINECAST®

VLAS represents the Doppler lidar variant of VDRAS.  VLAS provides very high-resolution wind information at the neighborhood scale and has been used to study atmospheric transport and diffusion in... more

Variational Lidar Assimilation System (VLAS)

The RT-FDDA system was developed to provide high-resolution analyses and short-term (0 – 12 h) forecasts, although recent advances in computing power enable longer outlooks to be generated.  RT-... more

Real-Time Four-Dimensional Data Assimilation (RT-FDDA)
Global Climatology Analysis Tool (GCAT)

Climate-FDDA uses the RT-FDDA system (MM5/WRF mesoscale model + assimilation of observations) to build a database of gridded “weather” phenomena over a particular region of earth

“Weather... more

Climate-Four Dimensional Data Assimilation (C-FDDA)
Sensor Data Fusion (SDF)

To support testing and evaluation of SDF, RAL is also developing a virtual testing and evaluation environment, known as Virtual THreat-Response Emulation and Analysis Testbed (VTHREAT). This will... more

Virtual THreat-Response Emulation and Analysis Testbed (VTHREAT)
Four-Dimensional Weather (4DWX) System

VLES-scale NWP at DX ~100 – 300m grids

New advances in computing allow regional NWP down to VLES and LES scales. NCAR has launched real-time WRF-RTFDDAVLES system for US Army DPG, Utah. VLES... more
Very Large-Eddy Simulation (VLES)
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.
LOGICast™ software system

Two new postprocessing methods are proposed to reduce numerical weather prediction’s systematic and random errors. The first method consists of running a postprocessing algorithm inspired by the... more

Analog Kalman Filter (AnKF)

Real-time ensemble RTFDDA forecasting system combines real-time WRF-based FDDA technologies and a probabilistic forecast calibration technology for producing reliable real-time probabilistic wind/... more

Ensemble-RTFDDA

RTFDDA-LES extends real-world numerical weather prediction to large-eddy-simulation (LES) scales, with grid sizes down to ~30m. The NCAR WRF-based RTFDDA system is formulated for simultaneously... more

RTFDDA-LES

4-D relaxation ensemble Kalman Filter (4D-REKF) data assimilation and forecasting system. 4D-REKF integrates and leverages the cutting-edge ensemble Kalman filter (ENKF) data assimilation scheme,... more

4D-REKF

As part of NASA and NREL funded projects, a new method has been proposed and demonstrated for the long-term estimate of the wind speeds at a target site, a key step in wind resource assessments (... more

SAHARA

Modeling the population dynamics of dengue vector mosquito Aedes aegypti is often done using dynamic life cycle models that simulate the life cycles of cohorts of mosquitoes using a mechanistic... more

WHATCH’EM (Water Height And Temperature in Container Habitats Energy Model)

The overarching goal of this effort is to design, develop, implement, validate, and promulgate a disruptive capability in the numerical modeling of complex microscale flows utilizing advanced... more

GPU-Accelerated Microscale Modeling: FastEddy