SPC Nov 14, 2017 0830 UTC Day 3 Severe Thunderstorm Outlook

By Newsroom America Feeds at 14 Nov 03:25

SPC 0830Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0223 AM CST Tue Nov 14 2017 Valid 161200Z - 171200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe storms are not expected across the U.S. Thursday. ...Synopsis... Amplification of the flow field aloft over the U.S. will continue this period, as a large trough continues to make eastward progress into/across western North America. Meanwhile, a second trough will advance across the northeastern U.S., likely vacating New England by the end of the period. In between these two features, riding will shift across the central U.S. through the period. At the surface, a cold front is forecast to continue advancing east/southeast across the Intermountain West, and should extend from the northern Plains southwestward to the Great Basin by the end of the period. Showers -- and possibly a thunderstorm or two -- will again affect parts of southern and eastern Florida, but more widespread convection is forecast across parts of the West as this the upper trough and associated cold front shift inland. Greatest potential for embedded lightning appears to reside over western parts of Washington and Oregon, and possibly into northern California, and then from the Sierra across parts of the Great Basin. While gusty/convectively enhanced winds may occur as convection crosses the higher terrain of the West, severe storms are not expected here, or elsewhere across the country. ..Goss.. 11/14/2017 Read more



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