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…
Search Local Weather Conditions
“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…
Wind Chill Chart
Wind chill temperature is a measure of the combined cooling effect of wind and temperature. As wind increases, heat is carried away from the body at a faster rate, driving down both the skin temperature and…
SHOTS FIRED near Capitol Hill downtown Washington, DC
Capitol Police sent this alert out to Congressional offices, with a "Shelter in Place!" subject line: SHELTER IN PLACE. Gunshots have been reported on Capitol Hill requiring all occupants in all House Office Buildings to shelter…
