Snow Day Formula

SNOWDAY CHANCE FORMULA
Version 4.0 of our homemade Snowday Chance Formula.
Copyright 2011-2014 The Weather Centre

How it Works: 
Each question has points- 1, 2, 3 or 4. The more points you have at the end indicates a higher likelihood of a snow day.


Question 1: When will it start snowing?
1. After 9:00 AM
2. After 3:00 PM
3. After 9:00 PM
4. After 3:00 AM

Question 2: How Windy will it be? (OPTIONAL Factor, does not need to be included if it is not windy)
1. Calm.
2. 1-5 MPH
3. 5-10 MPH
4. 10-15+ MPH

Question 3: How Much Snow will fall?
1. 1-3 inches
2. 3-6 inches
3. 6-12 inches
4. 12+ inches

Question 4: Will the snow be wet or heavy?
1. Unsure
2. Very Light, Powdery
3. Average
4. Very Heavy

Question 5: How fast will the snow be falling?
1. Very lightly.
2. Moderate; possibly 1 inch/hour.
3. Heavy; over 1 inch/hour at times.
4. Very heavily; extreme hourly snow rates consistently over 1"/hour.

Question 6: Has your school district had snow days in past years?
1. No
2. Not Many
3. Some
4. A Lot (3 or more a year)

Question 7: How is the storm being hyped?
1. No one is talking about it.
2. Hearing talk among people.
3. News is talking about it.
4. Everyone is talking about it.

Question 8: How low will visibility be?
1. High, you can see miles away.
2. Fair, cannot see a great distance away.
3. Low, visibility under 3 miles.
4. Very low, under 1 mile at times.

Question 9: How will traffic be?
1. Good, little interruption.
2. Fair, some back-ups, nothing major.
3. Bad, traffic is sometimes bumper-to-bumper.
4. Horrible, no one is moving for over half an hour.



RESULTS

Will You Have a Snow Day?
33-36 points: Probably/Likely.
29-32 points: Good Chance.
21-28 points: Chance.
13-20 points: Not Likely.
0-12 points: Near zero chance.

Notes: 
• This is just a formula and is not meant to be 100% accurate. 
• Even if you have a high score, always do your homework the night before!
• Do not use if your area does not receive snow often (i.e. Southern US).