National Weather Summary


  • Trough over the eastern U.S.
  • Positively tilted shortwave trough over the Northern Rockies
  • High in the Pacific Northwest
  • High in south central Canada
  • Cold front moving westward through Montana and warm front moving eastward through the Central Plains
  • Some rain, ice, and snow along the leading edge of the warm front
  • Low over the Texas Panhandle
  • High over the Gulf of Mexico
  • Low over Michigan
  • Extratropical cyclone moving up the mid-Atlantic Coast…should continue to strengthen into the Northeast…some snow already along the mid-Atlantic Coast

2115Z visible satellite image:

2115Z infrared satellite image:

12Z 500 mb map:

2120Z surface analysis:

12Z snow cover map:

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