Just a few days ago I was watching a TV show about illegal immigration
across the US/Mexico border, and it looked like there was snow on the
ground there. In fact, it even looked like there was snow on the hood
of a truck that was driving along a road built on one side of the fence
that's supposed to stop illegals from crossing that border. I was
surprised to see that since the heat from the engine would cause any
snow on the truck to disappear from the hood first.
Was that white stuff something else (like I was thinking possibly even
just white fluff from cottonwood trees), or does it ever actually get
cold enough that far south to have snow accumulate on the ground there?
I would have guessed not, but I've never been down there during the
Up here, when I watch football and baseball games that are being
broadcast from a southern US city, the one thing that never ceases to
catch my attention is how the people in the stands are just wearing
light windbreakers and autumn jackets in January and February, and how
much shorter the shadows are (meaning the Sun is higher in the sky
I would have never expected there to be snow on the US/Mexico border,
but I fully expect that the mountain areas would have plenty of snow,
even in Mexico (cuz the warm moist air gains altitude as it gets pushed
over the mountains).
I learn something every day. But, not everything I learn is worth
The coldest day here, so far this winter, has had a high in the upper
40s and a low in the low 20s. Most days in January and February have
the high near 60F and the low around 40F. I'm in Atlanta, which is a
*long* way from Miami or AZ.
It's rare but it even reaches 80F in January in Vermont. Well, maybe
One big difference when you get much past middle of KS heading west is
that typically our dewpoints are much lower. Consequently, while it can
be in the low- to mid-teens at night here, it's not at all unusual to
have highs in the 50s/low-60s and occasionally even 70s even during
Dec/Jan/Feb because w/o any significant moisture in the air the heat
capacity is very small and so insolation heating is very effective.
And, of course, the converse is true w/ wide-open clear skies at night
radiation cooling is very effective at cooling it off after sundown.
I lived in San Diego seven of my ten Navy years. Scraped ice off my
windshield three times. Never saw snow there, but other people did.
And before I had a car, it sure was cold waiting for a bus at ten PM.
Got out of the Navy and moved to Syracuse, NY, where I once saw snow at
noon on June first. :-)
The Rocky Mountains goes from Canada to Mexico. Almost impossible to
cross them at less than 10,000 ft. I got caught in a huge snow storm
50 yrs ago in Kingman AZ. Drove South to Phoenix to find passage
East. Finally made it, but Still hadda traverse a 10K ft pass covered
in snow in NM. Yeah, it snows in Mexico, too.
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