Shelf clouds often indicate strong outflow from thunderstorms – pic taken 9/16/2024
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Tuesday – 17 Sep 2024 – 9:35am
The past…
At Stevens Field the high temperature Monday was 62. The low this morning was 53.
The peak wind at Stevens Field Monday was 16mph.
| Average High | Record High / Year | Average Low | Record Low / Year |
| 74 | 87 / 1956 | 36 | 20 / 1968 |
Precipitation summary… Much of the county got a good soaking. Occasional fast-moving, intense showers and thunderstorms moved through parts of the county last night. It was quite a lightning show.
Forecast discussion…
Forecast highlights…
*** Intense, fast-moving showers and thunderstorms are capable of bursts of heavy rain, small hail, gusty winds, and lightning, especially this afternoon as the cold front moves through. ***
*** Potential for up to 1” snow above 12,000ft ***
*** Cold spots WILL drop below freezing each night the rest of the week. ***
Rest of Tuesday… Spotty, fast-moving, intense showers and thunderstorms will move through all morning. Things will get a little more “exciting” as a cold front moves through the county west to east roughly 11am to 4pm. A band of heavier showers and thunderstorms with stronger winds and hail will move through with the front.
Dry and cooler air will move in behind the front giving us a clear night full of stars and chilly temps.
Winds… Tuesday gusts will be 20-30mph. Gusts will be higher near stronger showers and thunderstorms, especially as the cold front moves through.
Temps… Tuesday highs will be in the high 50s to high 60s and lows will be in the high 20s to mid-30s. *** The cold spots will be below freezing Tuesday night. ***
Wednesday through Sunday… Upper-level southwest flow will be dry and stable Wednesday and Thursday. We’ll have lots of sun, pleasant afternoons and chilly mornings.
Friday and Saturday another low will move through the region. It won’t have much moisture but could kick up a few showers and a thunderstorm or two late Friday afternoon through Saturday afternoon.
Sunday dry, stable northwest flow will give us lots of sun and seasonal temps. Then it looks like we could be dry for a while.
Winds… Afternoon gusts will be 10-20mph.
Temps… Highs will be in the mid-60s to low 70s and lows will be 30-40. The cold spots will see morning lows in the high 20s.
The next forecast post will be tomorrow morning.
– Shawn
