[PDF][PDF] A description of the advanced research WRF version 4

WC Skamarock, JB Klemp… - … tech. note ncar …, 2019 - pfigshare-u-files.s3.amazonaws.com
The Weather Research and Forecasting (WRF) Model is an atmospheric modeling system
designed for both research and numerical weather prediction. WRF is an open-source …

Reducing the spin‐up of a regional NWP system without data assimilation

CJ Short, J Petch - … Journal of the Royal Meteorological Society, 2022 - Wiley Online Library
In both operational and research settings, kilometre‐scale regional numerical weather
prediction (NWP) models are often initialised by interpolating analyses from a global …

[HTML][HTML] Design strategies of an hourly update 3DVAR data assimilation system for improved convective forecasting

W Tong, G Li, J Sun, X Tang… - Weather and …, 2016 - journals.ametsoc.org
Design Strategies of an Hourly Update 3DVAR Data Assimilation System for Improved
Convective Forecasting in: Weather and Forecasting Volume 31 Issue 5 (2016) Jump to …

Impacts of the radar data assimilation frequency and large-scale constraint on the short-term precipitation forecast of a severe convection case

E Lin, Y Yang, X Qiu, Q Xie, R Gan, B Zhang, X Liu - Atmospheric Research, 2021 - Elsevier
Radar data assimilation (DA) can improve short-term precipitation forecasts. However,
assimilating radar observations into a numerical prediction model may produce spurious …

Introducing large‐scale analysis constraints in regional hybrid EnVar data assimilation for the prediction of triple typhoons

Y Wang, X Qian, Y Chen, J Min - Quarterly Journal of the Royal …, 2024 - Wiley Online Library
Large‐scale environment fields play an important role in the accurate prediction of typhoons.
However, regional predictions for typhoons often suffer from inadequate representation of …

[HTML][HTML] Toward unifying short-term and next-day convection-allowing ensemble forecast systems with a continuously cycling 3-km ensemble Kalman filter over the …

CS Schwartz, GS Romine… - Weather and …, 2021 - journals.ametsoc.org
Abstract Using the Weather Research and Forecasting Model, 80-member ensemble
Kalman filter (EnKF) analyses with 3-km horizontal grid spacing were produced over the …

A dynamic blending scheme to mitigate large‐scale bias in regional models

J Feng, J Sun, Y Zhang - Journal of Advances in Modeling Earth …, 2020 - Wiley Online Library
Several blending methods have been developed in dynamic downscaling and rapid cycled
data assimilation. Blending the large‐scale part of the global model (GM) analysis or …

[HTML][HTML] A scheme to assimilate “no rain” observations from Doppler radar

S Gao, J Sun, J Min, Y Zhang… - Weather and …, 2018 - journals.ametsoc.org
Radar reflectivity observations contain valuable information on precipitation and have been
assimilated into numerical weather prediction models for improved microphysics …

An implementation of full cycle strategy using dynamic blending for rapid refresh short-range weather forecasting in China

J Feng, M Chen, Y Li, J Zhong - Advances in Atmospheric Sciences, 2021 - Springer
The partial cycle (PC) strategy has been used in many rapid refresh cycle systems (RRC) for
regional short-range weather forecasting. Since the strategy periodically reinitializes the …

Assessing the impact of a NWP warm‐start system on model spin‐up over tropical Africa

JL Warner, J Petch, CJ Short… - Quarterly Journal of the …, 2023 - Wiley Online Library
Convection‐permitting (CP) models have provided a step change in the ability to forecast
impactful convective storms, which pose risks such as flash flooding and lightning. Despite …