It rarely snows when the temperature drops below 0 degrees Fahrenheit, not because it is too cold but because the atmosphere is too stable. Snow occurs when there is enough lifting of saturated air.
Source: NOAA’s National Severe Storms Laboratory
December 20, 2009
On average, 13 inches of snow equals 1 inch of rain. The ratio depends on the type of snow, however. Only 2 inches of sleet but nearly 50 inches of powdery snow can equal 1 inch of rain.
Source: NOAA’s National Severe Storms Laboratory
December 19, 2009
When lightning occurs in a snowstorm, it is called thundersnow. This can occur when there is strong instability and abundant moisture above the surface, such as above a warm front.
Source: NOAA’s National Severe Storms Laboratory
Extras: Endorsements, Rockwell, Abortion
Our latest edition of Extras features doctors going to court to stop a conservative group’s ad, googly eyes and Catholic abortion attacks.
Says Who?
A television ad from the conservative Rethink Reform, a recently created advocacy arm of the Employment Policies Institute, uses doctors’ opposition to the Senate health care bill to attack the proposed plan. "Many doctors fear new government plans to change our health care system," the ad says. "They understand that under the proposed rules,
Palin vs. Gore Climate Showdown
On Dec. 9, an op-ed by Sarah Palin on climate change ran in the Washington Post. Al Gore responded to Palin’s piece and made some fresh claims of his own later that day in an interview with MSNBC. We find that both engaged in some distortions and have been rightly called out by experts in the field. …
Public Option Vs. Single Payer
Q: What is the difference between a "public option" and a single-payer plan?
A: Single-payer is a complete government-run health insurance system under which everyone is covered, e.g., Canada’s system. The "public option" is a single federal insurance plan that would compete with private insurance companies.
December 18, 2009
As of 2008, the city of North Pole, Alaska, had a population of 2,212.
Source: Census Bureau
Executive Payola
The Democratic Congressional Campaign Committee has unleashed a radio ad campaign targeting five Republican members of Congress. The ads claim that the Republicans "voted to allow the big banks to pay high-rolling executives unchecked compensation and bonuses." But that’s not quite right.
The ads are not based on any explicit vote for "unchecked compensation and bonuses." Rather, the Democrats are referring to Republican votes against H.R. 4173, the Wall Street Reform and Consumer Protection Act,
December 17, 2009
Fourteen percent of department store sales and 18 percent of jewelry store sales in 2008 occurred in December.
Source: Census Bureau
December 16, 2009
Last December, retail sales by online shopping and mail-order houses totaled $24 billion, the highest total for any month of the year.
Source: Census Bureau