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J. Marshall Shepherd

J. Marshall Shepherd

Meteorologist and professor

Sep 9, 2026

17:53
And this part was absolutely news to me.
17:55
Um, you know, weather forecasting is done by solving these very complex fluid dynamics equations.
18:00
That's why people that wanna be a meteorologist have to take so much calculus and dynamics and thermodynamics and physics.
18:06
Um, you know, I, I, as a director of a major program, I have students come to me all the time, "Oh, I love clouds.
18:12
I love hurricanes.
18:13
I love storm chasing.
18:14
I wanna be a meteorologist.

33 MINS LATER

50:47
We had some great questions from a bunch of listeners wanted to know sleet, hail, and graupel, what's the difference? Susan Baxter is a first-time question asker and said, "Could you tell us about graupel? What exactly is it?"
6:01
Was there, like, a, a role in your life that was like-
6:03
No, it's so funny bec- particularly, a- a- and y- you know, I'm former president of the American Meteorological Society, and about only 2% of the AMS's membership is African American.
6:13
So, uh- Sciences in general at the time of, that I was growing up was not in my face at all.
6:19
My mother was a teacher, my dad was a teacher, but I grew up just with my mom, single parent.
6:23
So that's why I was always outside catching bees and, and the second's 'cause I was an only child with a single mom teacher.
6:29
Um, but my mom went to Tuskegee Institute, now Tuskegee University, and through my visits with her there, I learned about Dr. George Washington Carver, who was a scientist, uh, who looked like me, but he studied the peanut, and he did all these really interesting things with peanuts, and I just became fascinated by how many things he did with a peanut.
6:50
Later in life, I learned that Dr.

20 MINS LATER

26:25
Yeah
8:14
What does that mean?
8:15
Yeah, it does.
8:16
I don't think we're dealing with as much of that with this particular event here in the Can- Canada and Eastern US, but absolutely those wildfires out in, in California that you're speaking of, they can create their own fire environments.
8:29
You can have...
8:30
I wrote an article about this a few weeks ago, firenados that, uh, can happen.
8:34
You can have what's called pyrocumulonimbus clouds.
8:38
Uh, these, these smoke plumes that come up from these very intense fires, uh, can essentially create these cumulonimbus-type thunderstorms, actually.
12:58
If you are healthy, if you are, have good breathing, you're a runner, you're a jogger, and you go out and, and run, will, will you be affected by this?
3:58
How is this exacerbating things?
4:01
So we've had a series of heat domes affect the US and Europe over the last several weeks, these large areas of high pressure that don't allow any clouds or rain to form.
4:12
Uh, there was a heat dome in Europe a couple of weeks ago that gave us, us triple digit temperatures, 100 and degrees or more in places like England and France.
4:21
Uh, last week, this same heat dome that's af- affecting Canada right now, uh, uh, we had 110, 113 degree Fahrenheit temperatures, Brittany, in Billings, Montana.
4:33
Triple digit heat in Montana.
4:34
That's how strong this heat dome is.
4:37
And so what happens is you've got this massive high-pressure area over the US and so, and over the northern US and Canada.
7:22
But how much do you think this could potentially impact the players playing and the people in the stands? Because a lot of people, they shelled out a lot of money for those tickets.

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