Would not be surprised to see a low-topped supercell or two with isolated large hail and brief tornado potential across far eastern New Mexico/west Texas (particularly near the Lubbock area) this afternoon/evening. A robust trough will make its way into the southern High Plains today, interacting with a stream of meager but seasonally adequate moisture. Cold air aloft should overspread the region and destabilize the atmosphere enough to support stronger updrafts, and ample low-level and deep-layer shear should be supportive of supercells. SPC has just added a Marginal Risk (level 1/5) to support this threat.
Convective Chronicles
@ConvChronicles
One-stop shop for in-depth forecast discussions and case studies for upcoming and past severe weather events across the United States.
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Looks like SPC has pushed this back to December 1. Here's a link to the updated service change notice: weather.gov/media/notifica…
Some news on the SPC front: SPC will begin issuing a second Day 4-8 outlook each day at 2130z (3:30pm CST) starting on or around November 16.View quoted post on X
LINK TO SERVICE CHANGE NOTICE: weather.gov/media/notifica…
SPC has introduced a focused Slight Risk (level 2/5) across southeast Pennsylvania and New Jersey today. Latest guidance has increased confidence in isolated supercells developing this afternoon in this corridor, accompanied by a risk for large hail, damaging winds, and a couple tornadoes.
Still one of my favorite shots I've taken...tornado roping out near Howardwick, TX, on May 22, 2016. #txwx
SPC has outlined a Marginal Risk (level 1/5) for today across parts of Illinois, Indiana, Kentucky, and Tennessee. A mix of multicell clusters and transient supercells is expected this afternoon along a cold front shifting east across the risk area. Isolated instances of large hail and damaging wind will be the most likely hazards, but a tornado or two can't be ruled out, especially if any more robust supercells develop.