National Weather Summary

Highlights:

  • Trough over the central U.S.
  • Rain in western Washington, snow and ice falling in the Cascades
  • High pressure in the Northwest
  • Arctic high over Saskatchewan, cold front at leading edge from Montana through South Dakota into northern Wisconsin
  • Low in western Texas
  • Snow falling from Pennsylvania to Indiana to Arkansas…some ice and snow just ahead of the line of snow
  • Norman, Oklahoma received the first measureable snowfall this morning, though it was only about 1/4″ to 1/2″ on top of about 1/8″ ice, so it’s mostly gone now

2015Z visible satellite image:


2015Z infrared satellite image:

12Z 500 mb map:

2040Z surface analysis:

12Z snow cover map:

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National Weather Summary

Highlights:

  • Shortwave trough over the northern Rockies
  • Shortwave trough over the northern Midwest
  • Shortwave trough over the Southeast
  • Low over southeast Wyoming
  • Stationary front from Montana to Texas
  • Arctic high with centers over the Dakotas and Ontario
  • Snow in Nebraska, eastern Kansas, and western Missouri
  • Extratropical cyclone just off the New England coast, bringing snow, ice, and rain to the Northeast
  • Weak low with associated cold and warm fronts over Florida

1915Z visible satellite image:


1915Z infrared satellite image:

12Z 500 mb map:

1940Z surface analysis:

12Z snow cover map:

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National Weather Summary

Highlights:

  • Ridge off the West Coast
  • Trough from Ontario to the Gulf of Mexico
  • Rain and snow flooding Washington and Oregon
  • Weak low in Wyoming
  • Arctic high centered over Manitoba
  • Cold front along leading edge of high, stretching from eastern Ontario into central Oklahoma
  • Scattered snow flurries in the Dakotas and Nebraska
  • Rain from Ohio to Louisiana
  • Snow and ice in the Northeast
  • Low off the North Carolina coast, with a cold front extending southward into central Florida
  • Weak low with warm and cold fronts in central Texas

1915Z visible satellite image:


1915Z infrared satellite image:

12Z 500 mb map:

1940Z surface analysis:

12Z snow cover map:

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National Weather Summary

Highlights:

  • Ridge over the West Coast
  • Shortwave trough over the Midwest, phasing up with deeper shortwave trough over the Gulf of Mexico
  • Rain and snow flooding western Washington and Oregon
  • High pressure over the Great Basin
  • Scattered snow flurries in the northern Rockies and Northern Plains
  • Low over eastern Nebraska / Iowa, with a cold front extending northwestward into Montana
  • Snow from Wisconsin to Michigan and rain farther south
  • High over the Northeast
  • Weak low just west of Florida…rain across the Southeast and a chance for a few tornadoes in Florida this afternoon

1945Z visible satellite image:


1945Z infrared satellite image:

12Z 500 mb map:

20Z surface analysis:

12Z snow cover map:

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National Weather Summary

Highlights:

  • Ridge over the West Coast
  • Shortwave trough over the Southern Plains
  • Shortwave trough over Quebec and the northeastern U.S.
  • Rain continues to flood western Washington and Oregon
  • Strong high over the Great Basin
  • Some rain and snow falling in the northern Rockies and Northern Plains
  • High over the Great Lakes area
  • Weak low in eastern Texas…rain falling along the Texas coast and across Louisiana

2045Z visible satellite image:


2045Z infrared satellite image:

12Z 500 mb map:

2120Z surface analysis:

12Z snow cover map:

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