Flash-Flood Threat Intensifies From Virginia Into North Carolina as Southwest Severe Storms Ease

Training storms along a frontal zone are producing extreme rain rates in southeastern Virginia into northern North Carolina today.

Overview

Weather Prediction Center guidance highlights supercellular convection near Emporia, VA and Roanoke Rapids, NC with observed 2–3.5 inch per hour rainfall and a localized flash-flood risk through the afternoon.
Overnight WPC discussions flagged banded, training rainfall across southern and central Virginia with additional 3–5 inches possible and isolated to scattered flash flooding likely.
In Arizona, clusters of slow-moving storms Friday produced 1–2 inch per hour rates with localized 2–4 inch totals, prompting warnings for life-threatening flash flooding in arroyos, burn scars, and urban areas including Phoenix and Tucson.
SPC Severe Thunderstorm Watch 621 covered central and southern Arizona Friday afternoon and evening with threats of large hail to 2 inches, damaging gusts to 70 mph, and a low-probability tornado risk.
Later SPC updates indicated the severe threat in south-central Arizona began to wane Friday night as instability diminished, though isolated strong storms persisted for a time.