SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0736 PM CDT Fri Oct 29 2021 Valid 300100Z - 301200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible this evening from parts of the Mid-Atlantic northeastward into far southern New England. Isolated storms may also develop tonight in parts of northwest California and southeast Oregon. No severe threat is expected. ...DISCUSSION... An upper-level low will move slowly northeastward across the southern Appalachians this evening and tonight as a shortwave trough moves northward along the Mid-Atlantic. At the surface, an associated warm front will move northeastward along the Mid-Atlantic coast. Thunderstorm development will be possible this evening in the vicinity of the front and southward across a moist airmass in parts of Maryland and northeastern Virginia. Elsewhere, a few thunderstorms will be possible across northwest California and southwest Oregon as an upper-level trough approaches tonight. Instability across the continental United States will be too weak for a severe threat. ..Broyles.. 10/30/2021 Read more LIVE: spc.noaa.gov
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