Herein, 14 severe quasi-linear convective systems (QLCS) covering a wide range of geographical locations and environmental conditions are simulated fo...
Several limited-area 80-member ensemble Kalman filter (EnKF) data assimilation systems with 15-km horizontal grid spacing were run over a computationa...
An objective algorithm is developed for identifying jets in 200-hPa flow and applied to reanalysis data within 2000 km of Atlantic tropical cyclones (...
The original 7-day weighted analog intensity Pacific (WAIP) prediction technique is improved by developing a new version for the preformation stage an...
A statistical–dynamical tropical cyclone (TC) intensity model is developed from a large ensemble of algorithms through evolutionary programming (EP)...
2018 | Journal of Hydrometeorology, 19(8), 1289-1304
Description:
This study addresses the uncertainty of High-Resolution Rapid Refresh (HRRR) quantitative precipitation forecasts (QPFs), which were recently appended...
Five sets of 48-h, 10-member, convection-allowing ensemble (CAE) forecasts with 3-km horizontal grid spacing were systematically evaluated over the co...
This study investigates impacts on convection-permitting ensemble forecast performance of different methods of generating the ensemble IC perturbation...
A feed-forward neural network (NN) was trained to produce gridded probabilistic convective hazard predictions over the contiguous United States. Input...
While convective storm mode is explicitly depicted in convection-allowing model (CAM) output, subjectively diagnosing mode in large volumes of CAM for...
2022 | Journal of Hydrometeorology, 23(4), 505-519
Description:
Increased atmospheric evaporative demand has important implications for humans and ecosystems in water-scarce lands. While temperature plays a signifi...
African easterly waves (AEWs) exert significant influence on local and downstream high-impact weather including tropical cyclone (TC) genesis over the...
2019 | Journal of the Atmospheric Sciences, 76(11), 3529-3552
Description:
Convective processes in the atmosphere over the Maritime Continent and their diurnal cycles have important repercussions for the circulations in the t...
Previous theoretical studies suggest that the topography along the west coast of Australia plays an important role in strengthening and trapping the L...
2019 | Journal of the Atmospheric Sciences, 76(12), 3893-3917
Description:
Observational studies have shown that, on average, the quasi-biennial oscillation (QBO) exhibits a faster phase progression and shorter period during ...
2020 | Journal of Hydrometeorology, 21(11), 2537-2549
Description:
Soil moisture is an important variable for numerous scientific disciplines, and therefore provision of accurate and timely soil moisture information i...
Accurate subseasonal-to-seasonal (S2S) weather forecasts are crucial to making important decisions in many sectors. However, significant gaps exist be...
Ensemble Kalman filter (EnKF) analyses of the storms associated with the 8 May 2017 Colorado severe hail event using either the Milbrandt and Yau (MY)...
The Advanced Baseline Imager (ABI) aboard the GOES-16 and GOES-17 satellites provides high-resolution observations of cloud structures that could be h...
Variations in the Atlantic meridional overturning circulation (AMOC) driven by buoyancy forcing are typically characterized as having a low-frequency ...
2022 | Journal of the Atmospheric Sciences, 79(5), 1291-1309
Description:
Atmospheric blocking is a prolific producer of extreme weather with significant socioeconomic impacts. Different physical mechanisms for blocking onse...
In this paper we analyze Atlantic Ocean hurricane activity in the European Centre for Medium-Range Weather Forecasts (ECMWF) monthly hindcasts for the...
Seamless prediction means bridging discrete short-term weather forecasts valid at a specific time and time-averaged forecasts at longer periods. Subse...
In an assessment of 29 global climate models (GCMs), Part I of this study identified biases in boreal winter MJO teleconnections in anomalous 500-hPa ...
2020 | Journal of the Atmospheric Sciences, 77(6), 2139-2162
Description:
A new diagnostic framework is developed and applied to ERA-Interim to quantitatively assess vertical velocity (omega) profiles in the wavenumber–fre...
Sparse long-term Asian monsoon (AM) records have limited our ability to understand and accurately model low-frequency AM variability. Here we present ...
The impact on seasonal polar predictability from improved tropical and midlatitude forecasts is explored using a perfect-model experiment and applying...
2023 | Journal of Applied Meteorology and Climatology, 62(9), 1187-1203
Description:
Gridded climate datasets are used by researchers and practitioners in many disciplines, including forest ecology, agriculture, and entomology. However...
2022 | Journal of the Atmospheric Sciences, 79(5), 1325-1347
Description:
Credible modeling, tools, and guidance, regarding the changing Laurentian Great Lakes and the climatic impacts, are needed by local decision-makers to...
Humans’ essential ability to combat heat stress through sweat-based evaporative cooling is modulated by ambient air temperature and humidity, making...
The skill of two statistical downscaled seasonal temperature and precipitation forecasts from the North American Multimodel Ensemble (NMME) was evalua...
2020 | Journal of Hydrometeorology, 21(2), 265-285
Description:
A novel multiscale postprocessor for ensemble streamflow prediction, MS-EnsPost, is described and comparatively evaluated with the existing postproces...
In simulations of the boreal summer Asian monsoon, generations of climate models show a persistent climatological wet bias over the tropical western I...
Increases in atmospheric greenhouse gases will not only raise Earth’s temperature but may also change its variability and seasonal cycle. Here CMIP5...
The Indian summer monsoon (ISM) rainfall affects a large population in South Asia. Observations show a decline in ISM rainfall from 1950 to 1999 and a...
Atmospheric convective available potential energy (CAPE) is expected to increase under greenhouse gas–induced global warming, but a recent regional ...
On 4–5 September 2013, a relatively shallow layer of northerly dry airflow was observed just west of the core deep convection associated with the lo...
State-of-the-art general circulation models show important systematic errors in their simulation of sea surface temperatures (SST), especially in the ...
Changes in background zonal wind in the tropical Pacific are often invoked to explain changes in ENSO properties. However, the sensitivity of ENSO to ...
2021 | Journal of Hydrometeorology, 22(10), 2505-2519
Description:
Soil moisture (W) helps control evapotranspiration (ET), and ET variations can in turn have a distinct impact on 2-m air temperature (T2M), given that...
Thirty models in phase 5 of the Coupled Model Intercomparison Project (CMIP5) are evaluated for their performances in reproducing two summertime atmos...
2020 | Journal of Hydrometeorology, 21(4), 773-790
Description:
This study examines the spatiotemporal characteristics of the historic 10–14 August 2016 south-central Louisiana precipitation event. The storm was ...
2020 | Journal of Applied Meteorology and Climatology, 59(9), 1469-1480
Description:
Evaluation of the standardized precipitation index (SPI) dataset published monthly in the National Oceanic and Atmospheric Administration/National Cen...
2019 | Journal of Hydrometeorology, 20(8), 1737-1755
Description:
This research introduces a climatology of hourly precipitation characteristics, investigates trends in precipitation hours (PH) and hourly accumulatio...
2020 | Journal of Applied Meteorology and Climatology, 59(3), 427-442
Description:
Annual trends in extreme hourly precipitation time series were examined at 50 first-order weather stations across the southeastern United States from ...
This study investigates the moisture and wave feedbacks in the Madden–Julian oscillation (MJO) dynamics by applying the general three-way interactio...
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