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National Snow SummaryWednesday, March 26, 2003 Record temperatures were broken across the mid-Atlantic and Northeast yesterday ahead of a cold front which triggered rain showers across the region. Record temperatures in New York included Watertown, reaching 68 F, 75 F in Syracuse, and 74 F in Elmira. With the warm temperatures and new precipitation across the Northeast flooding conditions continue across much of New York, Vermont, northern Pennsylvania, and western Connecticut.
Winter weather warnings and advisories have been posted across much of the West as a late season snow event develops. The first disturbance has brought snowfall to the Cascades of Washington and Oregon, and the Northern Rockies with up to 12 inches of new snowfall in northwestern Wyoming with snow still falling. Snowfall is expected with the developing low-pressure system across the Central and Northern Rockies as well as the return of winter across the Plains late tonight into Thursday. Ahead of the low-pressure system strong thunderstorms are a possibility in the southern Plains on Thursday into Friday.
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  Latest National Snow Water Equivalent Click on the image below for the latest national snow water equivalent map from the NOHRSC Snow Model (NSM). The 0600 UTC (midnight Central Standard Time) snow water equivalent is shown.  Latest National Average Snowpack Temperature Click on the image below for the latest national average snowpack temperature from the NSM. The hourly snowpack temperatures for the latest 24-hour period ending at 0600 UTC (midnight CST) are averaged for this map.  Latest National Total Snow Precipitation Click on the image below for the latest national snow precipitation input into the NSM. This map shows the total precipitation that occurred as snowfall over the 24-hour period ending at 0600 UTC (midnight CST).  Latest National Total Snow Melt Click on the image below for the latest national snow melt simulated by the NSM. This map shows the total snow melt over the 24-hour period ending at 0600 UTC (midnight CST).  
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