High frequency observations from a field campaign have been compared with time-step precipitation in the WRF regional climate model. Two microphysical schemes of different levels of sophistication have been tested. Both of the schemes generally reproduce the observed precipitation, yet the produced level of wetness is somewhat high, and the intensities rather low. Typical simulated intensities ...

Introduction Conclusions References

Introduction Conclusions References

1991). These properties include soil bulk density and chemical properties. This study investigated the relationships between corn (Zea mays An objective of site specific management is to apply L.) grain yield and weather over a range of soil rooting depths with appropriate levels of agricultural inputs to localized areas. and without irrigation. The purpose was to test if variability of corn Si...

Operational forecasting is hampered both by the rapid divergence of nearby initial conditions and by error in the underlying model. Interest in chaos has fuelled much work on the first of these two issues; this paper focuses on the second. A new approach to quantifying state-dependent model error, the local model drift, is derived and deployed both in examples and in operational numerical weath...

The effective management of traffic flows during convective weather events in congested air space requires decision support tools that can translate weather information into anticipated air traffic operational impact. In recent years, MIT Lincoln Laboratory has been maturing the Convective Weather Avoidance Model (CWAM) to correlate pilot behavior in the enroute airspace with observable weather...

ett, 1999), planted early and at low populations; thus, relying on the sorghum hybrid to adapt to the growing Typical planting recommendations for dryland grain sorghum [Sorconditions by tillering. Research by Jones and Johnson ghum bicolor (L.) Moench] in the southern High Plains are to delay (1991, 1997) demonstrated that the optimum planting date, until soil water is adequate for crop establ...

This paper presents the results of a study to quantify the performance of Weather Avoidance Fields in predicting the operational impact of convective weather on en route airspace. The Convective Weather Avoidance Model identifies regions of convective weather that pilots are likely to avoid based upon an examination of the planned and actual flight trajectories in regions of weather impact. Fro...