Map Monday, National Debt by Country

The US national debt stands at more than $37,000,000,000,000. To put that in perspective, a trillion-dollar stack of $1 bills reaches 67,866 miles. That’s long enough wrap around the earth ~2.73 times. A stack of singles representing the entire debt stretches a little more than ten and a half times… Read more“Map Monday, National Debt by Country”

Map Monday, Last Spring Freeze Date in the US

When does your area experience the last spring freeze? The vernal equinox signals the astronomical beginning of spring. Meteorologists often divide the seasons into equal three month periods that align with calendar months. By their definition spring starts on 1 March. While both of these definitions work for their communities,… Read more“Map Monday, Last Spring Freeze Date in the US”

Map Monday, What is Tornado Alley?

Tornado Alley is a non-scientific term used to describe an area in the US where tornadoes are frequent. By some estimates, as many as 25% of the world’s tornadoes form in Tornado Alley. Coined by two US Air Force meteorologists (Maj Ernest Fawbush & Captain Robert Miller) to describe their… Read more“Map Monday, What is Tornado Alley?”