Jennifer Ketchmark, WCPO

Jennifer Ketchmark


Cincinnati, OH, United States

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Past articles by Jennifer:

Weather 101: What is the Saharan Dust Layer?

It's the buzz on social media. Saharan dust is taking over the United States this week and it's coming to the Ohio Valley. → Read More

What's that strange orange dust covering roads and cars across the Tri-State?

Pictures of an orange substance covering cars, sidewalks and pond surfaces came rolling in on Monday. → Read More

Weather 101: Types of Fog

We often talk about fog, but did you know there are different types of fog? → Read More

Weather 101: Frost

We've had several cold nights lately, resulting in frost in the Tri-State. But how does frost form? After watching this video you should be able to answer the following questions: -What is radiational cooling? -What is deposition? -What temperature does frost form at? → Read More

Weather 101: Sleet vs Freezing Rain

Do you know the difference between these two precipitation types? → Read More

Record number of tornadoes confirmed from April 8

Severe storms on April 8 produced a record number of tornadoes in the Tri-State. → Read More

Weather 101: Tornadoic Supercell Structure

Breaking down the sections of a supercell thunderstorm. → Read More

Weather 101: Heat Index

Today's Weather 101 focuses on the heat index and what weather factor makes a huge difference in how hot it feels outside. After watching this video you should be able to answer: -At what temperature does the heat index begin? -What two weather measurements does it factor in? -What's a safety tip for high humidity and hot days? → Read More

Weather 101: Wind Chill

Since we are in for some cold weather the next few days, why not talk about how the wind chill factor works? Today's Weather 101 breaks down the wind chill factor! → Read More

Weather 101: Hail

Today's Weather 101 is all about hail! After watching this video, you should be able to answer the following questions: -Why does hail eventually fall out of the thunderstorm? -What size of hail is considered "severe"? → Read More

Weather 101: Downburst

It's not just tornadoes and damaging winds that cause destruction in severe weather. → Read More

Weather 101: Stages of a Thunderstorm

Our Wednesday weather lesson is about the stages of a thunderstorm. After watching the video, you should be able to answer the following questions: -What are the three critical ingredients to get rain? -What is the first stage of a thunderstorm called? -What is the second stage? -What type of "draft" is dominant in the dissipation stage? → Read More

Weather 101: How do tornadoes form?

Meteorologist Jennifer Ketchmark breaks down the science behind tornadoes and how this severe phenomenon works → Read More

Why is part of the sunset missing in these photos?

Explaining this unique view in the sky. → Read More

We could use some rain, is Tropical Storm Barry the answer?

This weekend, Tropical Storm Barry will make headlines as winds around 70 mph impact southern Louisiana along with the storm surge and heavy rainfall produced by this slow moving tropical system. → Read More

What is an air quality advisory?

Pollution builds in the metro area → Read More

Vibrant sunset expected tonight. Here's why

Did you notice the odd coloration of the morning sunrise? There's a reason for it → Read More

Why are we seeing so many tornadoes?

The weather pattern that cemented severe storms in the Great Plains, Midwest and Ohio Valley → Read More

MAP: Tornado paths from Monday's storms

Here's a breakdown of the NWS tornado path map, including where the damage ratings are for the Dayton area along those tornado tracks. → Read More

Breaking down the storms that produced tornadoes near Dayton

It may take a few days to get a final answer how strong the tornadoes were, but there is no doubt they caused significant damage. → Read More