The present study assesses the simulated precipitation and cloud properties using three microphysics schemes (Morrison, Thompson MY) implemented in Weather Research Forecasting model. precipitation, differential reflectivity (ZDR), specific phase (KDP) mass-weighted mean diameter of raindrops (Dm) are compared with measurements from a heavy rainfall event that occurred on 27 June 2020 during Integrative Monsoon Frontal Rainfall Experiment (IMFRE). results indicate all generally capture...

The southeastern Tibetan Plateau (SETP) is the preeminent summer heavy precipitation region within (TP). However, large-scale circulation types and dynamics driving pre- cipitation in SETP remain inadequately elucidated. Using hierarchical clustering method, two dis- tinctive atmospheric patterns associated with were identified: vortex type (TPVT, constituting 56.6 % of events) mid-latitude trough (MLTT, 43.4 %). A comprehensive examination reveals a clear nexus between occurrences positive...

The middle and lower reaches of the Yangtze River (MLYR) suffers from extreme precipitation (EP) during summer, which has a huge impact on human society ecosystem. However, large spreads among climate models hinder their application in future risk assessment. In this work, four typical synoptic patterns (SPs) triggering EP over MLYR are identified based clustering algorithm. And we found significant linear correlation between CMIP6 (sixth phase Coupled Model Intercomparison Project)...

Microwave Radiation Imagers (MWRIs) onboard the FengYun (FY)-3A/B satellites of China Meteorological Administration were launched on May 28, 2008, and November 5, 2010, respectively. They both observe Earth atmosphere land surface at 10.65, 18.7, 23.8, 36.5, 89.0 GHz with dual polarization. After extensive on-orbit calibrations, MWRI Level-1 data collocated in space time from Aqua Advanced Scanning Radiometer for Observing System (AMSR-E), F18 Special Sensor Imager Sounder (SSMIS), Tropical...

Abstract Eastern China has experienced substantial agricultural expansion and deforestation in recent decades. We modeled the influence of land use/cover changes (LUCCs) over eastern on regional climate using Weather Research Forecasting model with Noah‐multiparameterization surface scheme. Two 21 year (1980–2000) experiments were performed same settings, except for data 1980s 2000s. The results showed that northern China, decreases air temperature approximately 0.3–0.5°C (increases)...

Significant temporal variations in δ 18 O and deuterium isotopes were found the rainfall water of Islamabad, Pakistan, over a 15-year period (1992–2006). The data obtained from International Atomic Energy Agency/Global Network Isotopes Precipitation (IAEA/GNIP) database, statistical correlations investigated. In particular, this study provides first detailed analysis GNIP for Islamabad. Both dry (1999-2000) wet years (1994, 1997, 2000) chosen to investigate between precipitation amount,...

Abstract Mei-yu fronts are often accompanied with prominent diabatic heating due to the development of frontal clouds and rain bands. The direct effect relative importance on spatiotemporal morphology however remain unclear. Here a new frontogenesis function is derived isolate this then applied latest high resolution reanalysis product ERA5 conduct an initial survey dynamic thermodynamic processes driving intensity structure evolutions three typical fronts. It found that latent (moisture...

The multi-scale convection activities are highly prone to induce the local severe rainstorms within Yangtze River Basin (YRB), and orographic effect of windward slope located Second-Step Terrain Region (SSTR) is widely confirmed have significant roles in strengthening Eastward-Moving Southwest Vortex (EMSV) systems that belongs a typical type activities, this paper thereby focused on revealing EMSV from new perspective Potential (PV) framework. Results show different synoptic circulations...

The Chinese FengYun-3 (FY-3)A satellite was successfully launched on May 27, 2008, with a Microwave Temperature Sounder (MWTS) onboard. MWTS has four channels frequencies of 50.3, 53.596, 54.94, and 57.29 GHz, respectively. measurements are primarily used for profiling atmospheric temperatures from surface to lower stratosphere. is cross-track scanning instrument, its Earth-view calibrated through the warm target cold space during every scan cycle. In this paper, FY-3A channel...

Abstract Using abundant rainfall gauge measurements and Global Precipitation Mission (GPM) data, spatial patterns of diurnal cycles their seasonality over high mountain Asia (HMA) were examined. Spatial distributions the HMA have a prominent regulated by circulations at different spatiotemporal scales, within which large regional contrasts are embedded. Rainfall variability is relatively weak in premonsoon season, with larger amplitude western HMA, southeastern as well southern periphery...

During the Meiyu period, floods are prone to occur in middle and lower reaches of Yangtze River because highly concentrated heavy rainfall, which caused huge life economic losses. Based on numerical simulation by assimilating Doppler radar, radiosonde, surface meteorological observations, evolution mechanism for initiation, development, decaying a frontal rainstorm that occurred from 4th 5th July 2014 is analyzed. Results show experiment can well reproduce temporal variability precipitation...

Abstract It is one of the major challenges in climate science to project future changes extreme rainfall. To overcome this challenge, study, four typical synoptic patterns (SPs) triggering summer rainfall over middle and lower reaches Yangtze River (MLYR) are identified through hierarchical clustering. These SPs share common characteristics intensified Mei‐yu trough Western Pacific Subtropical High but differ terms mid‐latitudes disturbances, such as an ridge (Cluster 1, Cluster 2) or 3, 4)...

Snow depth (SD) is an important input parameter for snow cover hydrologic model and climate model. In China, the volume affected by plateau different geographical situation, which shows specific rules characteristics in space time distribution. Consequently, it very necessary to dynamically estimate of China area. this paper, we use passive microwave through analysis on time, environment zone added impact pixel, high-frequency (89.0 GHz) accuracy inversion basis Chang's classical algorithm...

Abstract Aerosol‐cloud interactions remain a major source of uncertainty in our understanding and modeling the Earth's hydrological cycle. Based upon diagnostic analysis utilizing latest field measurements from Integrative Monsoon Frontal Rainfall Experiment (IMFRE) 2018, this paper reports effects aerosols on cloud properties along Mei‐yu front over Middle Reaches Yangtze River China. Numerical experiments with Weather Research Forecasting (WRF) model suggest that increasing aerosol number...

Better simulations and predictions of heavy rainfall associated with Meiyu fronts are critical for flood management in the Yangtze River Valley, China. This work systematically evaluates compares performances three microphysics schemes Weather Research Forecasting (WRF) Model regard to simulating properties a classic rainstorm central China which occurred during 30-hour period July 2016, including spatial distribution, rain rate PDF, lifecycle behavior local rainfall. validated using both...

In recent years, drought occurs frequently in China. Soil moisture, as a key parameter the monitoring, becomes especially concerned. The FY-3B/MWRI soil moisture product provides global observations of land surface moisture. This paper gives basic introduction including retrieval method used. Then an example application for monitoring will be demonstrated and finally we evaluate utility MWRI monitoring. <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Abstract Observational evidence from a heavy precipitation event of the 2020 extreme mei-yu season is presented here to reveal symbiotic relationship between rainfall and morphology front. The two influence each other through dynamical thermodynamic feedbacks evolve in coherent way generate cyclic behaviors. Specifically, an intense band-shaped front leads symmetrical instability lower atmospheric layer convective middle layer, forming rainband along its associated subsequently weaken as...

Abstract The Michelson Interferometer for Global High‐Resolution Thermospheric Imaging (MIGHTI) onboard the Ionospheric Connection Explorer (ICON) mission measures neutral winds from about 88 to 310 km altitudes, which provides a good opportunity investigate vertical distribution of winds. In this study we used green line MIGHTI focus on wind reversal due large shears at transition altitude E F regions (∼120–220 km). For limitations filter during night‐time, therefore present only results...

Active and passive microwave sensor are very important for atmospheric surface parameters monitoring. In past decades, sensors like SSM/I, AMSR-E PR have got great achievements in measuring global temperature profile Precipitation, as well soil moisture snow water equivalent. FY3 series satellite is the new generation meteorological satellites of China. Its main objective to provide data needed application. There 2 sounders 1 imager onboard satellite, air temperature, humidity information...