How Tornadoes Form
The formation of a tornado can be broken down to three stages: 1) low level horizontal spin,…
Understanding Hail
Hail, Showery precipitation in the form of irregular pellets or balls of ice more than 5 mm…
Severe Weather Preparedness
Tornadoes, floods, thunderstorm winds, hail, lightning, heat, wildfires, rip currents and tsunamis - spring is three months…
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Tsunami Animation: Northern Chile, April 1 2014
Tsunami animation resulting from the April 1, 2014 earthquake off northern Chile.Source: NOAA Video is a NOAA NWS Pacific Tsunami Warning Center animation of the tsunami generated from an offshore 8.2 magnitude earthquake near northern Chile April…
NOAA predicts moderate flood potential in Midwest, ice jams; California and Southwest remain in drought conditions
According to NOAA’s Spring Outlook released today, rivers in half of the continental United States are at minor or moderate risk of exceeding flood levels this spring with the highest threat in the southern Great Lakes…
“Turn Around Don’t Drown” Program turns 10 years old in 2014
Flooding remains one of the top weather killers in the U.S., with the average number of annual fatalities totaling near 90. More than half of these fatalities are vehicle-related. The National Weather Service has been working…
How is wind chill calculated (wind chill formula)
The wind chill temperature is calculated using the following formula: Windchill (F) = 35.74 + 0.6215T - 35.75(V^0.16) + 0.4275T(V^0.16) Where: T = Air Temperature (F) V = Wind Speed (mph) ^ = raised to a…
What is Hypothermia?
Hypothermia occurs when body temperature falls below 95 degrees Fahrenheit. Visible warning signs include uncontrollable shivering, memory loss, disorientation, incoherence, slurred speech, drowsiness, and exhaustion. The U.S. governments Occupational Safety & Health Administration (OSHA) recommended steps…
What is frostbite?
Frostbite is freezing of the skin and underlying tissues. The lower the temperature, the quicker frostbite will occur. Frostbite typically affects the extremities, particularly the feet, toes, hands, fingers, ear lobes, or tip of the nose.…
Real-time Weather Observation Monitoring and Email/Text Alert Notification Service
iAlert.com introduces the launch of the Real-time Weather Observation Monitoring and Email/Text Alert Notification Service. iAlert.com monitors over 2,100 different surface observing systems across the U.S. offering a unique real-time weather observation alert notification service based…
Premium Membership Rate Increase Notice
Premium membership allows full access to all iAlert.com services at a locked-in rate. For the last two years this rate has remained flat at $15 per year helping cover high operating costs of this member supported…
Real-Time Local Weather Conditions for the U.S.
iAlert.com introduces Real-Time Local Weather Conditions for the U.S. This service offers search and display of current and historic weather conditions throughout the U.S. directly from our website. These weather observations can be accessed from the…
