Author Archives: iAlert.com
TweetChat: Spring Weather Preparedness – April 29, 2PM ET #WxPrepChat
Spring has sprung, ushering in a new season of hazardous weather. Tornadoes, floods, thunderstorm winds, hail, lightning, heat, wildfires, rip currents and tsunamis are some of the of hazards that can be dangerous for the unprepared. Join us on Twitter Wednesday, April 29, from 2:00-3:00 PM … Read More…
Satellite Image of Calbuco Volcano Eruption in Chile
Calbuco Volcano in southern Chile has erupted for the first time since 1972, with the last major eruption occurring in 1961 that sent ash columns 12-15 kilometers high. This image was taken by the Suomi NPP satellite’s VIIRS instrument in a high resolution … Read More…
2015 U.S. Spring Flood Outlook
Record snowfall and unusually cold temperatures in February through early March retained a significant snowpack across eastern New England and western New York raising flood concerns. Significant river ice across northern New York and northern New England increase the risk of flooding related … Read More…
Understanding Hail
Hail, Showery precipitation in the form of irregular pellets or balls of ice more than 5 mm in diameter, falling from a cumulonimbus cloud. Ok great with the definition out of the way we can breakdown this amazing weather phenomenon for a much … Read More…
The Hydrologic Cycle
The hydrologic cycle involves the continuous circulation of water in the Earth-Atmosphere system. At its core, the water cycle is the motion of the water from the ground to the atmosphere and back again. Of the many processes involved in the hydrologic cycle, … Read More…
Understanding National Weather Service “Severe Weather Outlook”
Example Outlook Below Severe weather outlooks, also commonly referred to as convective outlooks, are issued daily by the National Weather Service Storm Prediction Center in both text and graphic form. iAlert hosts the severe weather outlook graphics which you can access by clicking … Read More…
What is a Supercell?
A Supercell is a severe thunderstorm with a deep, persistently rotating updraft (a mesocyclone). Supercell thunderstorms are the largest, most severe class of thunderstorms. It has been argued that there are really only two types of thunderstorms: supercell and ordinary, though some have … Read More…
Rip Current Safety
Stay safe at the beach this summer and know the signs of a rip current. Rip Current:?“A small-scale surf-zone current moving away from the beach.? Rip currents form as waves disperse along the beach causing water to become trapped between the beach and … Read More…
Tsunami Safety
Know the signs of an approaching Tsunami. If you are experiencing an of the warning signs at the coast, a tsunami could be approaching: Strong or long earthquakes(s) Sudden rise or fall of the ocean A loud roar from the ocean Go to … Read More…
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Learn About Wildfires, Your Risk, and How to Prepare
July 24, 2024
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2024 Eastern Pacific Hurricane Names
July 19, 2024