This threat is still a threat, which is good, considering threats like this quickly disappear. Anyways, the models are suggesting snow, but the amount of snow is different for each model. They are around the amounts of 1-3 inches, which could cause lots of delays. The Euro shows 1.6 to 2.8 inches(2-2.8 inches for most of county), and the GFS shows 1.6 inches(most of county)-2.8 inches(small area)(snow depths at 6 AM). But remember, highs will be in the 60's on Tuesday, so the amount of snow that accumulates will not be as much as the amount of snow that falls. Now, let me show you when the rain changes into snow.(Picture: WUSA9).
As you can see, all of MoCo is expected to switch to snow at Wednesday, in the time range of 1 AM to 4 AM, but for MoCo I would say 1 AM-2:45 AM. This is how fast the cold air will reach us while the moisture is still there, so the earlier the better. FOX 5 has released their first call for this system.
As you can see, 3/8 of MoCo is in the "Mix Favored(Slushy/Grassy Coating) and the other 5/8 is in the "Spotty Coating to 2" area. This actually favors us because slush is actually very slippery and can become dangerous to MCPS students who are going to school. These are some of the highlights of the system that is coming through.
ABC 7 says that rain will change to sleet to snow between 12 AM-3AM Wednesday. Accumulations will be mostly on cars, trees, grass, etc. And this is the most exciting part, PLAN FOR POSSIBLE SCHOOL DELAYS. Now finally, lets look at the NWS map.
As you can see, about 98% of MoCo is in the 1-2 inches area. So according to this, MoCo will get 0.9-2 inches of snow. This will cause some issues, and definitely a lot of slush. Out of this info I will make my first snowflake prediction of the 2019-2020 winter!
Snowflake Prediction: 2 snowflakes(no picture because not final prediction)
1-2 inches in the morning and ending at noon can really cause some issues. I would be more confident in a delay if temperatures in Tuesday weren't so hot, but the rain will help. Some of the rain will be able to freeze on Wednesday, and that can cause slick spots. There won't be much accumulation on the sidewalks and roads, but there will be slush, which is still bad. Sending kids to school while it is snowing and when there is slush and some slick spots will be bad, so a delay will help a lot of crews to treat the snow. MCPS is also more likely to delay because we haven't closed at all this year, so MCPS might be nice and give us a delay/(unlikely)closure.(don't get your hopes up though!) This isn't a final prediction, it might change tomorrow.
As you can see, about 98% of MoCo is in the 1-2 inches area. So according to this, MoCo will get 0.9-2 inches of snow. This will cause some issues, and definitely a lot of slush. Out of this info I will make my first snowflake prediction of the 2019-2020 winter!
Snowflake Prediction: 2 snowflakes(no picture because not final prediction)
1-2 inches in the morning and ending at noon can really cause some issues. I would be more confident in a delay if temperatures in Tuesday weren't so hot, but the rain will help. Some of the rain will be able to freeze on Wednesday, and that can cause slick spots. There won't be much accumulation on the sidewalks and roads, but there will be slush, which is still bad. Sending kids to school while it is snowing and when there is slush and some slick spots will be bad, so a delay will help a lot of crews to treat the snow. MCPS is also more likely to delay because we haven't closed at all this year, so MCPS might be nice and give us a delay/(unlikely)closure.(don't get your hopes up though!) This isn't a final prediction, it might change tomorrow.
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