Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Here's a snowfall map of reports we received at the NWS for the storm of the 8th of Dec, 2013.

See this map on: https://www.erh.noaa.gov/ctp/pnsmaps/snow/archive/snowfall_12082013.php

The tight gradient along the Mason-Dixon Line was due to a very intense west-to-east band of snow which set up during the morning and early afternoon, producing 1-2" per hour rates. Those rates are quite unusual. As a note, the 7.5 inch report in West York is highly suspect, though, as a meteorologist from West York also sent a report of less than 5 inches.

snow map from public and spotter reports for 8Dec2013