Saturday, February 26, 2011

26 February, 2011

TODAY'S TOP WEATHER STORIES
On Weather & Climate Through the Eyes of Mark Vogan

ANOTHER RECORD COLD MORNING FROM ROCKIES TO PACIFIC OCEAN, RARE SNOW FOR SOME AND NOT OTHER ACROSS CALIFORNIA

CUT BANK, MT HITS 35 BELOW ZERO FRIDAY MORNING, WOLF POINT, MT HITS 37 BELOW ZERO SATURDAY MORNING.


Much of the northwestern and north-central states were once again plunged into the latest in a long series of Arctic air masses to have originated in Arctic Canada and Alaska which sank south and brought subzero highs from eastern Washington and Oregon, across Montana, Wyoming, The Dakotas and into western Minnesota. Overnight lows dropped with ease below zero with Billings recording two consecutive record lows of -14 on Friday morning and -10 Saturday morning with a record cold high of -2 Friday. In northwest Montana, Cut Bank endured a low of 35 below on Friday morning which was the state and national low. As for through the day Friday, high's barely recovered as Cut Bank only managed to 'warm' to -11 but because the corte of cold was moving eastwards throughout the day Friday Cut Bank only fell to a less cold -17, if you can call 17 below 'less cold' eh.


The eastward progression of this air mass was evident as Glasgow in the northeast of 'big sky country' went from a low of -20 on Friday morning to -30 on Saturday morning with a nasty cold high of -9 in between. A well known state icebox called Wolf Point, east of Glasgow in the state's northeast corner stole the statewide and national cold spot off Cut Bank Saturday morning when it saw it' thermometer sink to -37 degrees.




100-degree spread in High Temperature's Yesterday!
The high was -11 degrees at Cut Bank, Montana whilst it was a hot 91 degrees down in Laredo, Texas yesterday!


LATEST ON 'RARE CALIFORNIA SNOW'
DISSAPOINTMENT ALL ROUND SAN FRANCISCO BAY AREA!

Photo Courtesy of SFGATE

Icy condtions force closure of Grapevine

LA TIMES

Snow — or something like snow — falls in some parts of L.A. County
Snow Falls On San Francisco’s Twin Peaks, Merced Heights
CBS SF

Light Snow On Twin Peaks; Heavier In Southbay

CBS SF

San Francisco snow: Snow falls in SF, Monterey and is likely to dust Los Angeles-area foothills
LA TIMES



TODAY'S WEATHER ACROSS AMERICA
From AccuWeather


Nusance Snow For the Midwest, Northeast This Weekend
By Bill Deger, Meteorologist

Hail, Blowing Dust Among Hazards of Southwest Storm
By Bill Deger, Meteorologist

WEATHER TALK
By Mark Vogan

NO FEBRUARY GOING BACK TO 1992 COMES CLOSE TO THE 7.6 BELOW DEPARTURE FROM NORMAL IN FEBRUARY 2011...

OYMYAKON, SIBERIA ENJOYS DAYTIME -20s F AND NIGHTTIME -40s F AFTER SEEING 4 STRAIGHT NIGHTS IN THE -70s F & -40s F BY DAY!

HAS THE WARMING TREND BEGUN FOR THE COLDEST VILLAGE ON EARTH?

After a December and January both above normal but a tougher February with temperatures running 7.6 below normal (F) at the moment and that's with nights moderating to only the -40s, rather than -60s and 70s it's became milder and I wonder if the worst of winter is now over for this truely frigid village in northeast Siberia which hasn't seen close to freezing since early OCTOBER!

For this stage in winter, the average high is now -29F and low of -49F, so there is a heck of a long way to go BUT it would appear that the extremely slow warmup in this part of the world has now begun.

When comparing, last February saw a high on the 1st of 4 degrees which ended up being the warmest. The last few days saw high's creep to within striking distance of 0 degrees or -18C. This February, the warmest occured  just today with a high of -29F, so there is a markedly colder February 2011 as compared with 2010. The lowest reading last February was -69F whilst this month has seen 11 nights either as cold or colder with the lowest being -74. Oymyakon has seen two straight nights down to -74 and the third hitting -73. This month has seen amazingly 8 nights of -70 or colder! February 2010 ended up 5.7 degrees above normal whilst it's 7.6 below normal this month.

As for February 2008, the month saw an even lower reading than this year's with a low of -75 but a warmer monthly maximum of -5, but the month ended also much less below normal with -3.4.

February, 2002 was a particularly interesting month as lows fell to as cold as -84 on the 1st, -80 on the 2nd and -77 on the 3rd with highs on those days as frigid as -70, -68 and -64, yet the month overall was 1.3 ABOVE normal.

February, 1996 also saw a low fall below -80 with -81 but even that February ended warmer than normal.

VAGARIES OF THE WEATHER
INDIA & SUB-CONTINENTAL ASIA WEATHER
BY RAJESH KAPADIA

Continuing from Vagaries' weather narration, F4 has moved eastwards beyond Utteranchal and is weakening into Nepal on Saturday.



Saturday saw Dehra Dun (Utteranchal) having a cold day with the high at 18c, 6c below normal, with 1 mm of rain. In the state's hills, Mussoorie (AWS) had a high of 5.5c, with light rains in the daytime, while Champawat AWS could manage 9c as its day temperature.


Peaks of Garhwal, Badrinath, Kedarnath, Gangotri, Yamunotri, Auli, Nanda Devi and some areas of Munsiyari were covered with fresh snow.


And, though on Saturday Nepal had fairly sparse rain/snow, Kathmandu manag


ed some light traces of rain on Saturday, and was just about in the vicinity, as the sat.image (courtesy Nepal Met) shows.


Onwards to F5 now. This sytem can be seen today, near Dubai and west of Pakistan. It is possible that this system will gain more moisture from the Arabian Sea en-route to the Sub-Continent, as upper air pressure conditions are favourably placed for such an eventuality.


On Pakistan by Sunday night, and good precipitation commencing from Balochistan thru Upper Sindh regions and NWFP into Punjab (Pakistan) on Sunday evening into Monday. As it moves into India on Monday/Tuesday, flow of SW moisture from the Arabian Sea continues, and will result in rains along the Sindh coast, including Karachi on Tuesday. Pockets of heavy thundershowers could be expected along the coast and in the sindh interiors due to vertical depth of the system.


Tuesday, and F5 is on India. Affecting the states of Kashmir and H.P. with snowfall again and Punjab, N.Rajasthan, Haryana and west U.P. with rains. More on F5 monitoring as the system moves into India on Monday.


Meanwhile, NW winds will sweep the plains of India from Tuesday, and 'dry out" the feeble UAC (mentioned below) forming over western Maharashtra.

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THE EXTREMES OF THE DAY

TODAY'S US EXTREMES
COURTESY OF ACCUWEATHER

HIGH: 91 degrees at Laredo, TX
LOW: -37 degrees at Wolf Point, MT

TODAY'S EXTREMES HERE AT MY HOUSE

HIGH: 52 degrees
LOW: 41 degrees

Thanks for reading.
-Mark

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