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Posted
  • Location: Camborne
  • Location: Camborne

Icy Weekend for Central Plains; La Niña’s Days Are Numbered

Quote

Near-record levels of moisture for January will be flowing toward the Central Plains this weekend atop a paper-thin cold air mass at the surface--a classic set-up for widespread freezing rain. Ice storm warnings were in place Friday morning along a strip from northwest Oklahoma to southwest Illinois. These warnings indicate that enough freezing rain is expected in the next 12 to 36 hours to cause significant problems in a given area (typically 1/4” to 1/2”, depending on location). Freezing rain advisories for lesser accumulations flanked the south side of ice-storm-warning belt from the Texas Panhandle all the way to western Virginia, and winter storm warnings for a mix of frozen precipitation extended to the north of the ice storm warning from eastern Colorado to western Illinois. See the WU severe weather page for state-by-state warning roundups.

Ground Zero for the worst icing is likely to run from northwest Oklahoma into western Kansas, where the swath of heavy rain associated with an upper-level low moving through on Saturday night and Sunday will intersect with ground-level temperatures just cold enough for the rain to freeze. Odds are that some parts of the state will experience at least 0.5” of ice accumulation, according to the National Weather Service (see Figure 1). Travel could be quite rough for people heading to Kansas City, MO, for the pro-football playoff game on Sunday between the Pittsburgh Steelers and Kansas City Chiefs. An ice storm warning is in effect till midnight Sunday night. It appears that temperatures above freezing will sweep north across the city during the day on Sunday, but as with football, timing is everything.

https://www.wunderground.com/blog/JeffMasters/icy-weekend-for-central-plains-la-nias-days-are-numbered

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Posted
  • Location: Cambridge, UK
  • Weather Preferences: Summer > Spring > Winter > Autumn :-)
  • Location: Cambridge, UK

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Just an honourable mention to say how welcome it is to see lots of rainfall continually hitting California this winter. This is at odds with a typical La Nina winter, but when does the weather do what it's told eh! There has been truckloads of snow over the mountains, which in turn will melt and provide plenty of water through spring and summer. Judging by the ppn forecast attached, after a couple of dry days the rain is set to return, with next Monday potentially providing a real deluge. Obviously this has led to flooding and mudslide problems due to the ground being bone dry, but I think in the long term it is absolutely needed, even if troublesome.

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Posted
  • Location: Edmonton Alberta(via Chelmsford, Exeter & Calgary)
  • Weather Preferences: Sunshine and 15-25c
  • Location: Edmonton Alberta(via Chelmsford, Exeter & Calgary)
On 1/16/2017 at 00:35, knocker said:

 

yep went from -40c and more with the windchill here last week to +8c this week...you gotta love North American weather 

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Posted
  • Location: Dead Centre of the Vale of Clwyd
  • Weather Preferences: Cold Sancerre.
  • Location: Dead Centre of the Vale of Clwyd

Beeb reporting 11 dead in severe weather in Georgia. Tornadoes reported, but unclear what caused these deaths. In January.....

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Posted
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)

A rare winter HIGH RISK of severe weather from severe thunderstorms across parts of SE U.S.A today. 30% tornado risk box.

day1probotlk_1630_torn.gif

 

Edited by Nick F
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  • 2 weeks later...
Posted
  • Location: Edmonton Alberta(via Chelmsford, Exeter & Calgary)
  • Weather Preferences: Sunshine and 15-25c
  • Location: Edmonton Alberta(via Chelmsford, Exeter & Calgary)

will breach 10c today in Edmonton..unusually warm for this time of year...long may it continue..no sign of any really cold weather in the next 10-14 days :good:

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Posted
  • Location: Cambridge, UK
  • Weather Preferences: Summer > Spring > Winter > Autumn :-)
  • Location: Cambridge, UK

20160216_CA_date.png20170214_ca_none.png

 

Another big storm is going to pound CA this week, further eliminating the drought deficit. Just look at 1 year ago, when only 0.29 of CA was drought free, compared to now. Drought free is 44% and rising every week. Southern parts of the state are still lagging behind, and 8% is still in the severe-extreme category. I'd expect this to further diminish by next week after the current wave of wet weather.

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Posted
  • Location: Haute Vienne, Limousin, France (404m ASL)
  • Weather Preferences: Warm and sunny with night time t-storms
  • Location: Haute Vienne, Limousin, France (404m ASL)
On 2/16/2017 at 16:01, mb018538 said:

20160216_CA_date.png20170214_ca_none.png

 

Another big storm is going to pound CA this week, further eliminating the drought deficit. Just look at 1 year ago, when only 0.29 of CA was drought free, compared to now. Drought free is 44% and rising every week. Southern parts of the state are still lagging behind, and 8% is still in the severe-extreme category. I'd expect this to further diminish by next week after the current wave of wet weather.

Its has arrived...

http://www.bbc.com/news/world-us-canada-39010887

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