Monday, September 20, 2010

20 September, 2010

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MARK VOGAN'S US AND UK WINTER FORECAST FOR 2010-11 COMING OCT 31ST!!

Today's Top Weather Stories
On Weather & Climate Through the Eyes of Mark Vogan
 

Hurricane Igor heads north after battering Bermuda
Associated Press

Hurricane Could Reach US Coast by Early October
AccuWeather News
 
Today's Weather across America
From AccuWeather
 
 
Big Thunderstorms to Target Central Plains, Great Lakes
By Alex Sosnowski, Expert Senior Meteorologist
 
Frost Coming to the Northeast Tonight
By Alex Sosnowski, Expert Senior Meteorologist
 
Hold on to Your Shorts; Summer Is Not Done Yet!
By Alex Sosnowski, Expert Senior Meteorologist
 
Weather Talk
By Mark Vogan
 
Death Valley, CA (Image Courtesy of Wikipedia)

What a difference between two Valley's


UPDATE: Today's national high was 111 degrees at Ocotillo Wells, CA this afternoon whilst the national low was 14 degrees at Bodie State Park, CA earlier this morning.. A perfect example of how great a contrast two valleys in California alone can have within a day.

California is a state well known for it's extremes in both geography as well as weather. There are two Valley locations, barely 200 miles apart which display regularly the highest temperature in all of the US during the summer months and the lowest temperatures.


Recent days has seen highs top around 110 to 113 degrees with Yuma, Arizona yesterday reaching a respectable 113 degree high, a decently hot day for July never mind late September. A couple of days ago saw Death Valley, the most famous hot spot reach 111 degrees. More often than not, high above the Alpine forests and buried in a barren valley over 6,000ft above sea level and south of Lake Tahoe lies the abandoned ghost town of Bodie, within Bodie State Park.. Located at high altitude and within a valley bottom with gently slopped hills surrounding, the combination of very dry air and elevation over 6,000ft allows strong radiational cooling and with cold air draining down the surrounding valleys walls, the air collects and cools within Bodie State Park, therefore allowing even summer nights to get below freezing.


However with the late summer sun still able to warm Death Valley to levels few places reach ever at elevations of 282, this contrasts well with Bodie State Park which actually saw a low this morning fall to 14 degrees, the lowest reading so far since spring in the US... Air masses are growing colder and as troughs drop in from the north and the air is colder aloft, the dry air and longer nights allow deeper cooling by night.


These two very contrasting valleys allow nearly 100 degree temperature differences with only slightly over 200 miles of difference. The difference between 111 and 15 degrees within a day is quite remarkable.

Bodie Ghost Town, CA (Image Courtesy of Wikipedia)

Vagaries of the Weather
India & Sub-Continental Asia Weather
By Rajesh Kapadia
 
Snowfall in Garhwal Himalayas nearly a month ahead of schedule


Nearly a month ahead of schedule, the higher reaches of Garhwal Himalayas today received snowfall, sending the mercury plummeting in Chamoli and Rudraprayag districts.

The hills around Badrinath and Kedarnath temples have received snowfall while lower areas received rainfall forcing the people to take out their woollens.

Usually, the Garhwal Himalayas experience snowfall during October.

SEE RAJESH'S BLOG HERE...

What's Reaching Today's Blogs?
 
Baking Heat Approaches but Fails to Fry Most of the Northeast
Elliot Abrams, AccuWeather
 
Igor Weirdness: Loops and Virgin Island Flooding
Jesse Ferrell, AccuWeather
 
The Weathervein - Episode 14 - LIVE FROM BERMUDA IN HURRICANE IGOR
The Northeast Quadrant

Back in the Saddle Again and Packing the Heat
Joe Lundburg, AccuWeather

The Extremes of the Day

Today's US Extremes
Courtesy of AccuWeather

High: 111 degrees at Ocotillo Wells, CA
Low: 14 degrees at Bodie State Park, CA

Today's UK Extremes
Courtesy of the Met Office

High: 73 degrees at Heathrow (Greater London)
Low: 35 degrees at Baltasound (Shetland)
 
Today's Extremes here at my house
 
High: 60 degrees
Low: 54 degrees
 
Thanks for reading.
-Mark

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