Areas of Excessive Rainfall and Severe Thunderstorms Thursday

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota Thursday. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula Thursday. Read More >

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General Topics

Cold Season Topics

Convective and Heat Topics

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General Topics

Read about high impact weather events in northern Arizona on the Event Summaries web page
A Century of Meteorological Observations at Fort Valley Experimental Forest: A Cooperative Observer Success Story
Climatology of Spring 2009/2010 Dust Storm Events Across the Little Colorado River Valley of Northeastern Arizona
A Localized NE Downslope Windstorm in northern Arizona

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.