Multi-Day Heavy Rain Event in the Four Corners; Soggy Sunday Expected in Florida

A series of Pacific storm systems will bring widespread showers, heavy rain, and a flash flooding threat across the Four Corners region this weekend. Ex-Typhoon Champi will approach the Alaskan West Coast bringing localized gusty winds and heavy precipitation. A wet and unsettled weekend is expected across southern Florida with rain expected across the entire peninsula by Sunday. Read More >

Heavy Snow Event

March 6, 2008

On 6 March 2008, a convective precipitation band formed across North Texas and quickly transitioned from rain to snow in a 60 km wide zone extending from west of the Dallas / Fort Worth metroplex northeast into extreme North Texas near the Red River. The snow persisted for over three hours with accumulations averaging 7 cm and isolated reports up to 30 cm near the heaviest convective precipitation. Frontogenesis and the resulting ageostrophic circulation appeared to play key roles in not only providing significant forcing for ascent but also in modifying the vertical temperature profile to be supportive of a liquid-to-frozen precipitation transition. The presence of atmospheric instability led to isolated thunderstorm development, with occasional cloud-to-ground and in-cloud lightning observed in the band of heavy snow. This study reviews the complex interactions between moisture, instability, and forcing for ascent that occurred during this convective winter weather event.

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Multi-Day Heavy Rain Event in the Four Corners; Soggy Sunday Expected in Florida

March 6, 2008 Snow