ASK FRED QUESTIONS
Below is a list of Ask Fred questions that I have answered.
What causes the updraft in a thunderstorm?
What is a thunderstorm down burst and why does it occur?
Each day you give the daily average temperature. How many years are used to get the average temperature for that day? Because we never seem to hit the average. Thanks. Sandra Dodge
What causes the dew point to change?
How do you predict how much snow we can expect to get out of a system?
What are the phone numbers to get winter weather road report information for states surrounding the Siouxland area?
Why do they call storms Nor'easters?
Why is snow white?
What is the coldest temperature ever recorded in Sioux City?
How accurate has Puckstawne Phil been over the last few years?
Why doesn't water freeze when the wind chill gets down to or below thirty two degrees?
Can I use snow to insulate my house?
How do you measure snowfall? Especially how do you get an accurate report when at times the snow is all blowing around?
How can it be foggy when the temperature is below freezing?
What is lake effect snow?
What is the difference between freezing rain and sleet?
WHAT TIME OF YEAR ARE WE MOST LIKELY TO BE ABLE TO SEE THE NORTHERN LIGHTS AURORA…..and WHY?
what is the "F" in a tornado rating stand for, and what are the requirements for the number levels? i.e., an "F"3 tornado, what does F stand for, & what criteria does the tornado need to meet for each level?
Why is it sometimes the wind at ground level blows one direction while the clouds above are moving in another direction?
My question is this...When is the latest recorded measurable snowfall in the spring season in Sioux City??
How much electricity does a lightning bolt generate when it hits the ground?
I have heard that it is very rare for tornados to cross a river. Is this true? If so why don't they cross a river?
Can the temperature drop below the dew point?
How do you know how far away lightning is?
What is the most common weather myth you've heard?
Does our rain come from the GULF OF MEXICO? If it does, can it rain oil from the recent oil spill?
What is meant by "once in a blue moon"?
Can a volcano affect the color of a sunrise or sunset?
What is a Microburst? Dawn Girard DJG810@aol.com
What is a hook echo and how does it relate to tornado forecasting?
What is a cooling degree day?
Sometimes the sky is completely covered with clouds and other days the sky is completely clear, without a cloud anywhere in the sky. Where do the clouds go?
What accounts for the difference in size among hailstones?
What is heat lightning?
Where in a storm does hail form?
What is the wettest summer on record?
Why are the dew points so unusually high this summer?
Does a cold air funnel ever come to the gronnd ?
Why is lightning sometimes very sharp in the sky, like lines, and other times a quick flash, like a flash bulb?
What causes the distinctive shape of mammatus clouds and why do they sometimes form after a severe storm?
How is visibility measured?
Is hail more common in spring or summer?
True or False: A Tornado can't move into a town next to a lake.
What is thunder??
The Farmer's Almanac is predicting a drier second half of August for this area. How do they make their predictions and how reliable are they?
What is the difference between a tornado and severe straight-line winds?
What is the name of the cloud that means rain?
How do clouds move through the sky?