With melting snow and ground still frozen in places there was a risk of localised flooding, it added.
And there have also been reports of snow on high ground in Powys overnight.
That winter there was a snow storm that ground the city to a halt.
The Flood Protection Association said compacted snow and ice would melt more slowly than snow on the ground.
Every state except Florida now has snow on the ground, including Hawaii, according to CNN meteorologist Sean Morris.
"The snow and frozen ground means we've just not been able to do the planting we normally can, " he said.
The band of snow will be followed by some showers which may fall as snow on higher ground, he added.
When the weather softened, leaving only patches of snow on the ground, I resumed my nighttime surveillance of my home.
On aptly named Winter Street in a suburb of Boston, ice clings to bare trees and muddy snow mars the ground.
In 2003, as more than a foot of snow covered the ground, Yale students received an email saying class was canceled.
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I've been taking part for six years and sometimes we have had to go into the sea with snow on the ground.
Forecasters have said eastern parts of Yorkshire could see between 2-5cm of snow on low ground and up to 10cm on higher ground.
First of all, we just got five feet of snow in Washington and so everybody is like -- a lot of the people who are opponents of climate change, they say, see, look at that, there's all this snow on the ground, this doesn't mean anything.
On the day we arrived, several inches of old snow glistened on the ground.
This will remain until 21:00 GMT on Friday, with up to 30cm of snow expected on higher ground.
When we stopped at Stevens Pass to stretch our legs, I tried to devilishly form a sad-looking snowball from the light snow that covered the ground.
Then on Saturday a mixture of ice and snow is expected along that eastern area as well as parts of Wales and England, with the heaviest snow due on higher ground such as the Cotswolds and the Chiltern Hills.
The Met Office forecasts rain and sleet to spread eastwards on Wednesday with snow more likely on high ground.
Northern Ireland escaped the worst of the snow but it affected high ground.
The snow came down on higher ground on parts of eastern Wales, the first of 2013 for many areas.
The Met Office warned that heavy snow was likely on high ground in Bath, Bristol, Devon, Dorset, Gloucestershire, Somerset, Plymouth, Swindon, Torbay and Wiltshire.
The Met Office said some "significant accumulations" of around 5cm of snow were likely over low ground, with perhaps 10cm or more over higher ground.
Conditions on Everest have been especially difficult this year because of the less-than-usual amount of snow and ice on the ground for climbers to dig into.
WSJ: Mayo Clinic Researchers on Everest Study High Altitude's Effects on the Body
With the maple leaves already fluttering to the ground, and the snow spreading down the mountainsides, there will be no more fighting before April.
The Met Office has issued an amber weather warning across Yorkshire and said "significant snow accumulations" were likely on higher ground.
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