Tag: 2000

Official

SPC Nov 30, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0139 PM CST Sat Nov 30 2024 Valid 302000Z - 011200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. ...20z Update... No forecast changes are needed. Thunderstorm potential remains very limited across the country. Occasional flashes have been noted within a heavy snow band in the vicinity of Watertown, NY, but coverage through 12z will remain too limited to warrant highlights. See the previous discussion for additional details. ..Moore.. 11/30/2024 .PREV DISCUSSION... /ISSUED 1018 AM CST Sat Nov 30 2024/ ...Synopsis and
Official

SPC Nov 29, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0147 PM CST Fri Nov 29 2024 Valid 292000Z - 301200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...20z Update... The previous forecast (outlined below) remains on track. Thunderstorm potential continues to wane along the central FL Peninsula amid post-frontal low-level cooling; however, latest CAM guidance continues to suggest that a storm or two may develop between 20-00 UTC (though recent trends suggest this potential is low). Along the shores of the lower Great Lakes, Lightningcast guidance continues to
Official

SPC Nov 26, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0130 PM CST Tue Nov 26 2024 Valid 262000Z - 271200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected across the continental U.S. today and tonight. ...20z Update... The previous forecast remains on track with no changes needed. Occasional lightning flashes are possible late this evening across the inter-mountain West as an upper trough shifts east, but coverage is expected to remain very isolated (sub-10% coverage). Forecast thoughts regarding shallow frontal convection across the Southeast remain valid (see previous discussion below). ..Moore.. 11/26/2024 .PREV
Official

SPC Nov 25, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0134 PM CST Mon Nov 25 2024 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized severe thunderstorms not expected through tonight. ...20Z Update... Recent surface analysis places a low over south-central Lower MI, with a cold front extending southwestward from this low through central IN and far southern IL, and continuing through the MO Boot Heel and eastern AR into south TX. Showers have been confined to the post-frontal regime over IL thus far, but general expectation is for precipitation to increase
Official

SPC Nov 21, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0144 PM CST Thu Nov 21 2024 Valid 212000Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...Synopsis... A line of convective rain/show showers continues across the Appalachians with occasional lightning flashes. This will persist for a few more hours before weakening late this afternoon as the boundary layer cools and low-level lapse rates weaken. Lightning is expected to remain offshore near the New England coast and the Pacific Northwest coast and therefore, the thunder line has been