Mild but not very warm air
mass in place now, with easterly winds and clouds preventing much cooldown
tonight. Strong low pressure ejecting from the eastern
Rockies tomorrow will push a strong warm front tomorrow afternoon, with
easterly winds switching to strong southerly winds and a rapid warm-up ensuing
with a last-minute high temperature helped by some afternoon sun after a cloudy
morning. But models still disagree on just how fast the warm front will pass, leading
to significant uncertainty in the high temperature. This will quickly be
followed by a cold front tomorrow night before 06z, likely accompanied by a
line or showers and thunderstorms. These storms could be severe (mostly with
especially strong winds) due to the warmth, humidity, and strong wind shear, leading
to a significantly higher maximum wind than the winds for the rest of the day. The
Storm Prediction Center has KDSM in an enhanced risk of severe weather. However,
the storms will be fast-moving and nothing suggests that they will produce
particularly heavy rain, so rainfall totals should be rather light. The cold air
mass will not arrive in time for a late 06z low.
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