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Granular-scale magnetic flux cancellations in the photosphere
We investigate the evolution of five granular-scale magnetic flux cancellations just outside the moat region of a sunspot by using accurate spectropolarimetric measurements and...- publication PDF
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Large‐scale O+ depletions observed by ICON in the post‐midnight topside...
The Ion Velocity Meter instrument on the Ionospheric Connection Explorer (ICON) satellite measured large depletions in the O+ density (but not H+) in the post-midnight topside...- publication PDF
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Skillful prediction of monthly major hurricane activity in the North...
We investigate the monthly prediction of North Atlantic hurricane and especially major hurricane activity based on the Geophysical Fluid Dynamics Laboratory High-Resolution...- publication PDF
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The NCAR CSM Ocean Model
This technical note documents the ocean component of the NCAR Climate System Model. The ocean code has been developed from the Modular Ocean Model (version 1.1) which was...- publication PDF
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The Single Column Atmosphere Model Version 6 (SCAM6): Not a scam but a tool...
The Single Column Atmosphere Model (SCAM) is a single column model version of the Community Atmosphere Model (CAM). Here we describe the functionality and features of SCAM6,...- publication PDF
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A comparison of neural-network and surrogate-severe probabilistic convective...
A feed-forward neural network (NN) was trained to produce gridded probabilistic convective hazard predictions over the contiguous United States. Input fields to the NN included...- publication PDF
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How well can global chemistry models calculate the reactivity of short-lived...
We develop a new protocol for merging in situ measurements with 3-D model simulations of atmospheric chemistry with the goal of integrating these data to identify the most...- publication PDF
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Increased quasi stationarity and persistence of winter Ural blocking and...
In Part I of this study, it was shown that the Eurasian cold anomalies related to Arctic warming depend strongly on the quasi stationarity and persistence of the Ural blocking...- publication PDF
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A hypothesis for the intensification of tropical cyclones under moderate...
A major open issue in tropical meteorology is how and why some tropical cyclones intensify under moderate vertical wind shear. This study tackles that issue by diagnosing...- publication PDF
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Global atmospheric forcing data for Arctic ice-ocean modeling
We compare three forcing data sets, all variants of National Centers for Environmental Prediction (NCEP) forcing, in global ice-ocean simulations and evaluate them for use in...- publication PDF
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Superpressure Balloons for Horizontal Soundings of the Atmosphere
This report provides the status of superpressure balloon technology under one cover. It is a collection of previous reports and articles which have been updated on the basis of...- publication PDF
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Taiwan Area Mesoscale Experiment: Doppler Radar Operations Summary
This article does not have an abstract or article summary.- publication PDF
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Path-length Sensitivity of the Lyman-alpha Humidiometer
This report provides an analysis of the path-length sensitivity of the Lyman-Alpha Humidiometer.- publication PDF
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Quantifying process connectivity with transfer entropy in hydrologic models
Quantifying the behavior and performance of hydrologic models is an important aspect of understanding the underlying hydrologic systems. We argue that classical error measures...- publication PDF
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Model bias in a continuously cycled assimilation system and its influence on...
During the spring 2011 season, a real-time continuously cycled ensemble data assimilation system using the Advanced Research version of the Weather Research and Forecasting...- publication PDF
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On the limited ice intrusion in Alaska at the LGM
The Last Glacial Maximum (LGM) Laurentide Ice Sheet covered most of the North American continent poleward of 40 degrees N, with the exception of Alaska that remained relatively...- publication PDF
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On the consequences of PBL scheme diffusion on UTLS wave and turbulence...
Mesoscale numerical weather prediction (NWP) models are routinely exercised at kilometer-scale horizontal grid spacings (Delta x). Such fine grids will usually allow at least...- publication PDF
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Scale-dependent representation of the information content of observations in...
Global data assimilation systems for numerical weather prediction (NWP) are characterized by significant uncertainties in tropical analysis fields. Furthermore, the largest...- publication PDF
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Pulse Compression for Phased Array Weather Radars
This Technical Report is a reprint of the Final Report from NCAR's Atmospheric Technology Division on work performed from 1991 through 1995 for the FAA Terminal Area...- publication PDF
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Representation of the subgrid-scale turbulent transport in convective...
Parameterization of the unresolved vertical transport in the planetary boundary layer (PBL) is one of the key physics algorithms in atmospheric models. This study attempts to...- publication PDF
