View All Articles

Criteria For a Hurricane Warning

Criteria for a hurricane warning imageThe National Weather Service (NWS) is the official U.S. government agency charged with issuing weather watches, warnings, and advisories and is the source used by iAlert.com. Below is the criteria used by NWS forecasters when issuing a hurricane watch or hurricane warning for the affected coastline.

HURRICANE WATCH: means hurricane conditions of at least 74 mph (64 kt or 119 kph) are possible within 36 hours for affected coastline.

HURRICANE WARNING:  means hurricane conditions of at least 74 mph (64 kt or 119 kph) are expected for defined coastal area within 24 hours or less.

A hurricane is more powerful than a tropical. Criteria for Tropical Storm

Learn more about the Saffir-Simpson Hurricane Wind Scale.

Looking for the criteria for a tornado warning, criteria of a severe thunderstorm warning, or weather glossary?

This entry was posted in Weather Glossary and tagged , , , , , , , , . Bookmark the permalink.

Leave a Reply

Read More

Lightning Strike: What are the Capabilities of Lightning Detection Systems

Two decades before the American Revolutionary War, noted inventor and scientist Benjamin Franklin had a strong curiosity when it came to the incredibly destructive force of lightning. Franklin is known for inventing one of the first…

Read More

What is a Nor’easter?

A Nor’easter is a storm along the East Coast of North America, so called because the winds over the coastal area are typically from the northeast.  These storms usually develop in the latitudes between Georgia and…

Read More

Hurricane Delta 11:00 am October 9, 2020 Advisory 20 Update, Landfall Forecast

Advisory 20 for Hurricane Delta updated at 11:00 am EDT Friday October 9, 2020: As of 11:00 am EDT Hurricane Delta remains a major category 3 hurricane with sustained winds of 115 MPH (185 KMH) and…

Read More

Leave a Reply