National Weather Summary


  • Trough over the northeastern U.S.
  • Positively tilted shortwave trough from Kansas to Arizona
  • Strong high centered over the Northwest
  • Low centered over Saskatchewan, with warm front extending southward along a pressure trough into northeastern Colorado
  • High over the Midwest, centered over Ontario
  • Snow falling in Illinois
  • Weak low/trough over eastern Oklahoma, with a cold front extending into central Texas…a bit of rain is falling along the front

2015Z visible satellite image:

2015Z infrared satellite image:

12Z 500 mb map:

2030Z surface analysis:

12Z snow cover map:

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