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Nitrate radicals and biogenic volatile organic compounds: oxidation,...
Oxidation of biogenic volatile organic compounds (BVOC) by the nitrate radical (NO3) represents one of the important interactions between anthropogenic emissions related to...- publication PDF
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An analog technique to improve storm wind speed prediction using a dual NWP...
This study presents a new implementation of the analog ensemble method (AnEn) to improve the prediction of wind speed for 146 storms that have impacted the northeast United...- publication PDF
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Case Studies on Convective Storms / Case Study 6, 25 July 1976:...
On 25 July 1976 the life cycle of a small, moderate thunderstorm which occurred in northeast Colorado was observed extensively by participants in the National Hail Research...- publication PDF
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Alkoxy radical bond scissions explain the anomalously low secondary organic...
Oxidation of monoterpenes (C10H16) by nitrate radicals (NO3) constitutes an important source of atmospheric secondary organic aerosol (SOA) and organonitrates. However,...- publication PDF
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Balance characteristics of multivariate background error covariances and...
For variational data assimilation, the background error covariance matrix plays a crucial role because it is strongly linked with the local meteorological features, and is...- publication PDF
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A three-dimensional Babcock-Leighton solar dynamo model
We present a three-dimensional (3D) kinematic solar dynamo model in which poloidal field is generated by the emergence and dispersal of tilted sunspot pairs (more generally...- publication PDF
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On the intensity distribution function of blazed reflective diffraction gratings
We derive from first principles the expression for the angular/wavelength distribution of the intensity diffracted by a blazed reflective grating, according to a scalar theory...- publication PDF
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Overview of the NCAR Scientific Computing Division
This report lists: services available within the Scientific Computing Division, Scientific Computing Division directory, map of the Scientific Computing Division, hardware and...- publication PDF
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Estimates of freshwater discharge from continents: Latitudinal and seasonal...
Annual and monthly mean values of continental freshwater discharge into the oceans are estimated at 1° resolution using several methods. The most accurate estimate is based on...- publication PDF
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Enhancing understanding and improving prediction of severe weather through...
Severe weather, including tornadoes, thunderstorms, wind, and hail annually cause significant loss of life and property. We are developing spatiotemporal machine learning...- publication PDF
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Mesoscale structures in the Orinoco basin during an extreme precipitation...
During the night of March 31st, 2017, a severe precipitation event affected the city of Mocoa, in the tropical Andes. Total 24-h accumulated precipitation during that day was...- publication PDF
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Model uncertainty in a mesoscale ensemble prediction system: Stochastic...
A multiphysics and a stochastic kinetic-energy backscatter scheme are employed to represent model uncertainty in a mesoscale ensemble prediction system using the Weather...- publication PDF
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NWP-based adjustment of IMERG precipitation for flood-inducing complex...
This paper evaluates the use of precipitation forecasts from a numerical weather prediction (NWP) model for near-real-time satellite precipitation adjustment based on 81 flood-...- publication PDF
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Evaluation of a photosynthesis-based canopy resistance formulation in the...
Accurately representing complex land-surface processes balancing the complexity and realism remains one challenge that the weather modelling community is facing nowadays. In...- publication PDF
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Threat by marine heatwaves to adaptive large marine ecosystems in an...
Marine heatwaves (MHWs), episodic periods of abnormally high sea surface temperature, severely affect marine ecosystems. Large marine ecosystems (LMEs) cover similar to 22% of...- publication PDF
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On the influence of vertical mixing, boundary layer schemes, and temporal...
We present WRF-Chem simulations over central Europe with a spatial resolution of 3 km x 3 km and focus on nitrogen dioxide (NO2). A regional emission inventory issued by the...- publication PDF
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Polarimetric radar analysis of rain drop size variability in maritime and...
During the Queensland Cloud Seeding Research Program the CP2 polarimetric radar parameter differential radar reflectivity (Zdr) was used to examine the rain drop size evolution...- publication PDF
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Internal variability dominates over externally forced ocean circulation...
Observations of oceanic transient tracers have indicated that the circulation in the Southern Ocean has changed in recent decades, potentially driven by changes in external...- publication PDF
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Transport in the subtropical lowermost stratosphere during the Cirrus...
We use in situ measurements of water vapor (H₂O), ozone (O₃), carbon dioxide (CO₂), carbon monoxide (CO), nitric oxide (NO), and total reactive nitrogen (NOy) obtained during...- publication PDF
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An enhanced Standardized Precipitation-Evapotranspiration Index (SPEI)...
Atmospheric evaporative demand is a key metric for monitoring agricultural drought. Existing ways of estimating evaporative demand in drought indices do not faithfully represent...- publication PDF