Texas now facing 'severe' winter storm outlook, inches of snow - Chron

1. Texas now facing 'severe' winter storm outlook, inches of snow  Chron
2. Timeline | Confidence growing that some type of wintry mix will be in Houston next week  KHOU.com
3. A polar vortex is set to grip much of the U.S. What does that mean?  NPR
4. Houston preparations underway for big chill, freezing temps, snow and ice  FOX 26 Houston
5. Significant snowfall and hard freeze predicted for Houston  CultureMap Houston