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A look at Florida this morning in the visible imagery generated from GOES-19 data: https://t.co/iAaZWD6Can TT

Potentially historic winter storm is set to impact the northeastern US bringing heavy snowfall, strong winds and coastal flooding. GFS scenario of significant weather through Monday: https://t.co/O3MyijX8D7 TT

Severe thunderstorms are possible today across the parts of Midwest and lower Ohio Valley. Risks include tornadoes, large hail and damaging winds. An HRRR scenario of simulated radar reflectivity, 500 mb wind streamlines and surface wind vectors: https://t.co/QUqPpboe68 TT

A look at the continental radar composite this morning as active weather continues in several regions. Wintry weather is expected from Upper Midwest to New England. Heavy snow also continues to be a concern in Sierra Nevada and Intercontinental West: https://t.co/XTpV7fwx9t TT

Here's a look at dew points across the continental USA this morning. Extremely critical fire weather is expected today across the central Plains due to the winds and low relative humidities. Elsewhere, flood threat continues in California due to rain. https://t.co/f2La5ZmosD TT

Large areas of rainfall can be seen over California in the continental US radar composite as the WPC has highlighted a level 2 out of 4 risk for excessive rainfall for parts of the state today. https://t.co/XTpV7fx4Z1 TT

A look at air temperature across the continental USA this morning: https://t.co/5ksxAB7ZY3 TT

Here's a look at the latest hourly wind gusts across Alaska as a storm is continuing to impact the state. https://t.co/c1nXFSaS21 TT

A look at observed weather reported across the continental USA this early afternoon, expressed with the standard WMO symbols: https://t.co/AQ4lkvCjAh TT

Cracks have formed in the ice over Lake Erie which are so large that they can be detected in visible satellite imagery from GOES-19. This morning's view is facing some interference from clouds but the cracks are still visible: https://t.co/oVT0XKWpQu TT

Shown is a map of hourly wind gusts across the continental USA as of 11 AM Central Time. Latest data: https://t.co/FbpB2ciS9A TT

A look at the continental US in visible satellite imagery from GOES-19 this noontime: https://t.co/n7UDjemFFN TT

In addition to the US weather, we also have weather data from around the world. Here's for example a rainfall observation from Grazalema, Spain amid a major rain event. The station has so far measured 16.8 inches of rain in the past 24 hours: https://t.co/B0TDT3sBp1 TT

Light snow is possible today from the upper Ohio Valley all the way into the Mid-Atlantic. Meanwhile, rain and thunderstorms will be a topic in the southeast and along the Gulf Coast. Scenario of significant weather from GFS: https://t.co/9OC70VpTBe TT

A look at air temperature across the continental USA this forenoon: https://t.co/5ksxAB7s8v TT

Here's a look at visible imagery from GOES-19 as winter storm warnings are in effect in several states ahead of the winter storm expected this weekend. https://t.co/n7UDjemFFN TT

Another significant winter storm is expected to impact the eastern United States this weekend. In addition to winter weather conditions, coastal flooding is possible in the Mid-Atlantic from strong onshore winds coinciding with astronomical high tide. https://t.co/EBHmnKHB8V TT

A look at air temperature across the continental USA this noontime: https://t.co/5ksxAB7s8v TT

Here's a look at observed temperatures this forenoon as below average temperatures continue in the eastern half the Lower 48 this week. There are hints in the guidance of new weather trouble this weekend. https://t.co/A3rFvb8mIX TT

Here's a look at reported air temperatures across the continental US this noontime. The weekend's historic winter storm is now shifting away from the East Coast, but heavy snow continues today in the Northeast. https://t.co/5ksxAB7s8v TT