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Look what's happening in the Berks and Hudson Valley! Rain changing to snow. Cold air is rushing in behind the system now. Lots of moisture still around!
My cousin at 1000' confirms this changeover and he's shoveling now. Crazy
Cool graphic. But for freezing rain, isn't really matters the ground layer temperature? If it's 30°F at the lowest altitudes, if the rain is heavy enough it wouldn't freeze, it would warm the ground enough to keep it liquid. While if it were 15°F on the ground and rain hard, a thick layer of ice would form
Hopewell Junction near Poughkeepsie. Hilly area there.
Quote:
Originally Posted by ausweatherman
Heavy snow here...changed cover from sleet a while back!
I figured. Nice. Atmosphere cooled below freezing aloft. Rain stopped here as if it wants to change to snow now. Sometimes happens like that.
Quote:
Originally Posted by nei
Cool graphic. But for freezing rain, isn't really matters the ground layer temperature? If it's 30°F at the lowest altitudes, if the rain is heavy enough it wouldn't freeze, it would warm the ground enough to keep it liquid. While if it were 15°F on the ground and rain hard, a thick layer of ice would form
Interesting. Its still considered freezing rain though. Might not freeze on roadways right away but is ice elsewhere.
Also, If rain was falling hard wouldnt it cool itself even more? Usually during harder rate of fall the liquid is falling from higher up which is colder. But if surface is below freezing it usually freezes on contact.
Rain isnt 'that' warm to warm the surface. But Im curious what the actual temp of the liquid is. Mid 30s??
I have seen surface ice up with surface at 30, air at 32 and rain.
Also... its usually not just the surface itself. Its usually freezing right above too.
Awesome awesome storm the past couple days. Ton of wind and rain and a little bit of sleet as well with temperatures hovering in the 30s. Wish it could be like this all winter.
Interesting. Its still considered freezing rain though. Might not freeze on roadways right away but is ice elsewhere.
Also, If rain was falling hard wouldnt it cool itself even more? Usually during harder rate of fall the liquid is falling from higher up which is colder. But if surface is below freezing it usually freezes on contact.
Rain isnt 'that' warm to warm the surface. But Im curious what the actual temp of the liquid is. Mid 30s??
I have seen surface ice up with surface at 30, air at 32 and rain.
Also... its usually not just the surface itself. Its usually freezing right above too.
Hmm. I guess it depends on the temperature of the liquid. Have noticed the worst icing events happened when the surface temperature is well below freezing. But if it's only just below freezing and warmer aloft the warm air will mix in so below freezing won't last long; hard to push out the cold surface if the temperature contrast is bigger.
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