SPC Nov 14, 2017 0700 UTC Day 2 Convective Outlook

By Newsroom America Feeds at 14 Nov 02:06

SPC 0700Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0100 AM CST Tue Nov 14 2017 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... No severe storms are expected Wednesday. ...Synopsis... Some amplification of the flow field aloft across the U.S. is expected Wednesday, as a large system over the northeast Pacific just off the west coast of North America early, begins moving inland. As this occurs, some downstream strengthening of ridging will occur, shifting across the Rockies and eventually into the Plains/Canadian Prairies. Finally, still farther downstream, a short-wave trough crossing the Great Lakes region will amplify slightly as it approaches the Northeast by the end of the period. At the surface, a cold front will move southeast across the Pacific Northwest and eventually northern California. Farther east, a rather weak cold front will cross the Midwest/Ohio and Mississippi Valleys while the parent low shifts across the Upper Great Lakes toward the Ottawa River Valley through the end of the period. Showers -- and possibly some sporadic lightning -- will affect parts of the Pacific Northwest coastal areas. A couple of lightning strikes may occur as far south as northern California and possibly the Bay area, within the frontal zone convection itself. Here however, coverage is expected to be minimal, not warranting a 10% thunder line. Farther east, elevated showers -- and early in the day, scattered thunderstorms -- are forecast across lower Ohio and mid Mississippi Valleys and into the Ozarks region, in a zone of warm advection that will weaken through the day. Finally, showers and possibly a thunderstorm or two may occur over coastal southeast/southern Florida. In all areas, severe weather is not expected. ..Goss.. 11/14/2017 Read more

http://www.spc.noaa.gov/products/outlook/day2otlk_0700.html

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