Timing the Impressive Snowfall Rates Thursday Morning

The latest high-resolution rapid refresh (HRRR) model (courtesy WxBell) shows very heavy snowfall rates of one to two inches per hour (dark blue colors in image below) developing across the Washington Region between 3 and 5 AM.

Note the very heavy sleet (orange) and freezing rain (pink) also showing up just south of the Capital Beltway around 10:00 on Thursday morning when the snow party should begin shutting down in the DC metro (points south and east) and the wintry mix of sleet and freezing rain begins in earnest.

Thump of Heavy Snow Accumulations Prior to Wintry Mix

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