SPC 0600Z Day 2 Outlook
Day 2 Convective Outlook RESENT 1 NWS Storm Prediction Center Norman OK 1202 AM CDT Sun Oct 04 2020 Valid 051200Z - 061200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... CORRECTED GRAPHIC LINE END POINT ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S. Monday through Monday night. ...Discussion... Models continue to indicate that low-amplitude mid-level ridging within the westerlies will expand eastward, from the northern mid-latitude eastern Pacific through the Canadian Prairies and northern U.S. Great Plains by late Monday night. Downstream, mid-level flow likely will remain largely zonal, with a number of embedded, progressive short wave troughs. One of these perturbations is forecast to accelerate east of the northern Mid Atlantic coast during the day Monday, accompanied by a developing wave along an offshore frontal zone. While the front advances further away from the Mid Atlantic coast, it may slowly advance northward through portions of northern Florida, and more rapidly northwestward through the central Gulf of Mexico, to the north of Tropical Storm Gamma. Seasonably high moisture content will remain confined to areas along and south of this front, with substantive boundary-layer destabilization generally limited to central and southern portions of the Florida Peninsula during the day Monday. This could provide support for some thunderstorm activity. Elsewhere, generally dry and/or stable conditions are expected to prevail with negligible risk for thunderstorm activity. ..Kerr.. 10/04/2020
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