SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1025 AM CST Sat Nov 07 2020 Valid 071630Z - 081200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF EASTERN ARIZONA AND WESTERN NEW MEXICO... ...SUMMARY... Strong wind gusts may accompany thunderstorms across parts of eastern Arizona and western New Mexico later this afternoon and early evening. ...AZ/NM... A large upper low over central CA will track slowly eastward today, with lift and mid-level moisture spreading across much of the Great Basin and Four Corners area. A few pockets of thunderstorms will affect this general area later today, with one area of likely convective development across eastern AZ. Vertical mixing and northward advection of moisture is expected to result in pockets of afternoon surface dewpoints in the upper 40s to lower 50s. While clouds are persisting in parts of the region, a few pockets of heating will yield max CAPE values around 500 J/kg. This, combined with relatively fast flow aloft, could result in gusty winds in the strongest cores. The threat should diminish a few hours after sunset. ...Southern CA... A potent shortwave trough is rotating inland toward the LA Basin today. This is expected to result in a few thunderstorms - primarily along the mountain ranges north of LA. Cold temperatures aloft could result in small hail in the stronger cells, but organized severe storms are not anticipated. ..Hart.. 11/07/2020
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