What question did this study set out to answer?

Identify late-afternoon lower-tropospheric precursors that dictate the expected geographic location and convective intensity of nocturnal mesoscale convective systems across the central United States.

March 1, 1994Weather and Forecasting

Lower-Tropospheric Precursors to Nocturnal MCS Development over the Central United States

View Full Paper

Ask AI

Bookmark

Identify late-afternoon lower-tropospheric precursors that dictate the expected geographic location and convective intensity of nocturnal mesoscale convective systems across the central United States.
Analyzed composite meteorological data of late-afternoon surface and lower-tropospheric environments, focusing on low-level jet forcing and 850-mb frontogenesis.
Evaluated the utility of identified precursor signals across four observational case studies during the summer of 1992.
Large, long-lived nocturnal mesoscale convective systems mature downwind of late-afternoon surface geostrophic wind maxima when the region exhibits active frontogenesis at 850 mb.
Convergence and warm advection where the nocturnal low-level jet encounters a frontogenetic boundary trigger enhanced low-level ascent favorable for severe convective systems and excessive rainfall.
Smaller, less intense convective systems develop north of afternoon surface geostrophic wind maxima in environments lacking strong 850-mb frontogenetic forcing.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Composite analysis reveals lower-tropospheric wind and frontogenesis dictate nocturnal convective storm development, indicating viable predictive signals for heavy rainfall forecasting.

Cite This Study

Augustine et al. (1994) studied this question.

synapsesocial.com/papers/6ab20b3cfabab405b8437738 https://doi.org/10.1175/1520-0434(1994)009<0116:ltptnm>2.0.co;2

View Full Paper

Ask AI

Bookmark

Implication

Composite analysis reveals lower-tropospheric wind and frontogenesis dictate nocturnal convective storm development, indicating viable predictive signals for heavy rainfall forecasting.

Lower-Tropospheric Precursors to Nocturnal MCS Development over the Central United States

Key Points

Discussion

Implication

Cite This Study

Lower-Tropospheric Precursors to Nocturnal MCS Development over the Central United States

Key Points

Discussion

Implication

Cite This Study

Also Consider

Also Consider