Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

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General Topics

Cold Season Topics

Convective and Heat Topics

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General Topics

Cold Season Topics

Severe Weather Topics

2014 Prescott/Groom Creek Tornado Case Study
2003 August Rotating Supercell Case Study
2002 September Severe Weather Cast Study
Observation of a Supercell Thunderstorm over High Terrain in Northern Arizona
Forecasting Severe Weather Along the Mogollon Rim Convergence Zone
Evolution of a Mesoscale Convective Vortex over Northern Arizona
Forest Damage Associated with Tornadoes in Northern Arizona
Synoptic Environments Associated with Tornadoes in Northern Arizona
Radar Observations of the Early Evolution of Bow Echoes © American Meteorological Society. Used with permission.
The Development of Severe Convection Along a Dry Line in Northern Arizona
Supercells in Environments with Atypical Hodographs © American Meteorological Society. Used with permission.
A Comparison of Wind Speed and Forest Damage Associated with Tornadoes in Northern Arizona © American Meteorological Society. Used with permission.
Interactions between a Supercell and a Quasi-Stationary Frontal Boundary © American Meteorological Society. Used with permission.

Local Research Citations

Blanchard, D. O., 2008: Interactions between a Supercell and a Quasi-Stationary Frontal Boundary. Mon. Wea. Rev., 136, 5199–5210, https://doi.org/10.1175/2008MWR2437.1.

Blanchard, D. O., 2011: Supercells in Environments with Atypical Hodographs. Wea. Forecasting, 26, 1075–1083, https://doi.org/10.1175/WAF-D-11-00012.1.

Blanchard, D. O., 2013: A Comparison of Wind Speed and Forest Damage Associated with Tornadoes in Northern Arizona. Wea. Forecasting, 28, 408–417, https://doi.org/10.1175/WAF-D-12-00046.1.

Klimowski, B. A., M. R. Hjelmfelt, and M. J. Bunkers, 2004: Radar Observations of the Early Evolution of Bow Echoes. Wea. Forecasting, 19, 727–734, https://doi.org/10.1175/1520-0434(2004)019<0727:ROOTEE>2.0.CO;2.