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Alaska/Western Canada obs and discussion


patrick7032
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Nice sun dogs! That was one thing I enjoyed in ND. Lots of ice crystals, light pillars and huge sun dogs.

As promised, here are some pictures I took this afternoon (by -30/-31):

This evening, a lot of temperatures are already below -30C, here we have -29.5C at 6:30.

The night may be frigid if the sky stays clear.

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Not quite as impressive as the central Interior, but still cold none the less...

...RECORD LOW TEMPERATURE IN ANCHORAGE AND BITTER COLD TEMPERATURES

ACROSS THE REGION...

COLD TEMPERATURES ALOFT COMBINED WITH A NIGHT OF CLEAR SKIES AND

LIGHT WINDS HAVE ALLOWED TEMPERATURES TO PLUMMET ACROSS SOUTH

CENTRAL ALASKA. CLOUDS WILL BE ON THE INCREASE TONIGHT AHEAD OF

AN APPROACHING FRONT FROM THE SOUTHWEST WHICH WILL RESULT IN

MODERATING TEMPERATURES TONIGHT AND SUNDAY.

A RECORD LOW TEMPERATURE OF -8 DEGREES WAS SET AT THE NWS ANCHORAGE

FORECAST OFFICE TODAY. THIS BREAKS THE OLD RECORD OF -7 DEGREES

SET IN 1963.

OTHER LOW TEMPERATURES FROM THE AREA:

ANCHORAGE AREA:

EAGLE RIVER................................. -26

CAMPBELL CREEK SCIENCE CENTER............... -22

EAST NORTHERN LIGHTS........................ -15

NEW SEWARD @ HUFFMAN........................ -13

ANCHORAGE MIDTOWN........................... -10

ANCHORAGE INTERNATIONAL AIRPORT............. -9

TURNAGAIN ARM AREA:

SEWARD HWY @ PORTAGE GLACIER RD............. -16

GIRDWOOD.................................... -7

PORTAGE..................................... -7

MAT-SU AREA:

WILLOW...................................... -28

SKWENTNA.................................... -26

BUTTE....................................... -21

WASILLA AIRPORT............................. -20

TALKEETNA AIRPORT........................... -19

SOUTH PALMER................................ -18

WEST PALMER................................. -17

PALMER AIRPORT.............................. -9

KENAI AREA:

KENAI NWR................................... -25

SOLDOTNA.................................... -18

KENAI MUNICIPAL AIRPORT..................... -16

NINILCHIK................................... -11

COPPER RIVER BASIN:

GLENNALLEN.................................. -38

MAY CREEK................................... -37

CHISTOCHINA................................. -35

GULKANA AIRPORT............................. -34

KLAWASI..................................... -23

CHITINA..................................... -24

MCCARTHY.................................... -22

EUREKA...................................... -15

MTL

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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FAIRBANKS AK
110 PM AKST THU NOV 17 2011

...ANOTHER DAY OF RECORD COLD TEMPERATURES IN THE INTERIOR...

THE FIRST COLD WEATHER OUTBREAK OF THE SEASON HAS SETTLED IN OVER
INTERIOR ALASKA. UNUSUALLY FRIGID TEMPERATURES FOR MID-NOVEMBER HAVE
BEEN OBSERVED ACROSS MUCH OF THE REGION. TEMPERATURES COLDER THAN
40 BELOW ZERO ARE BEING REPORTED IN VALLEYS IN THE CENTRAL AND
NORTHEASTERN INTERIOR. INFRARED SATELLITE IMAGES ALSO INDICATE
TEMPERATURES UNDER 50 BELOW ZERO IN SOME OF THE COLDEST VALLEY
LOCATIONS.

SEVERAL RECORD LOW TEMPERATURES WHICH WERE SET MORE THAN 40 YEARS
AGO WERE BROKEN OVERNIGHT IN THE FAIRBANKS AREA. THIS INCLUDES
RADIO STATION KJNP IN NORTH POLE WHICH BOTTOMED OUT AT 49 BELOW
THIS MORNING...BREAKING THE PREVIOUS RECORD OF 46 BELOW SET BACK
IN 1969. OTHER RECORDS FROM 1969 THAT WERE BROKEN THIS MORNING
INCLUDE EIELSON AIR FORCE BASE AT 43 BELOW...THE FAIRBANKS AIRPORT
WITH 41 BELOW AND THE UNIVERSITY EXPERIMENTAL STATION AT 41 BELOW
WHICH BROKE RECORD SET IN 1918. OUTSIDE OF FAIRBANKS... MANLEY HOT
SPRINGS REPORTED A BONE CHILLING TEMPERATURE OF 54 BELOW WHICH
BROKE THE PREVIOUS LOW OF 51 BELOW SET IN 1956.

RECORD OR NEAR RECORD LOW TEMPERATURES ARE POSSIBLE AGAIN FRIDAY
MORNING. THE RECORD LOW FOR NOVEMBER 18TH AT THE FAIRBANKS AIRPORT
IS 33 BELOW...38 BELOW AT EIELSON AIR FORCE BASE...AND 41 BELOW
AT KJNP IN NORTH POLE.

TEMPERATURES FROM 15 TO 35 DEGREES BELOW NORMAL WILL PERSIST OVER
MUCH OF THE INTERIOR THE NEXT COUPLE OF DAYS. SOME MODERATION IS
EXPECTED ON THE WEEKEND...THOUGH HIGH TEMPERATURES WILL REMAIN
WELL BELOW ZERO. THE COLDER AIRMASS IS EXPECTED TO SETTLE IN OVER
THE INTERIOR AGAIN EARLY NEXT WEEK.

THE AVERAGE TEMPERATURE IN FAIRBANKS THIS WEEK IS AROUND 9 ABOVE
WITH AN AVERAGE LOW OF 7 BELOW ZERO.

BELOW IS A SUMMARY OF OFFICIAL LOW TEMPERATURES AS OF NOON
THURSDAY UNLESS OTHERWISE NOTED.

FAIRBANKS AREA:
NORTH POLE (KJNP).......................49 BELOW (NEW RECORD)
NORTH POLE WOODSMOKE SUBDIVISION........47 BELOW 
FORT YUKON #2...........................44 BELOW
EIELSON AIR FORCE BASE..................43 BELOW (NEW RECORD)
CLEAR SKY...............................42 BELOW
FAIRBANKS AIRPORT.......................41 BELOW (NEW RECORD) 
UNIVERSITY EXPERIMENTAL STATION.........41 BELOW (NEW RECORD)
UAF WEST RIDGE..........................40 BELOW (NEW RECORD)
GOLDSTREAM CREEK........................40 BELOW

OUTSIDE OF FAIRBANKS:
MANLEY HOT SPRINGS......................54 BELOW (NEW RECORD)
TELIDA RAWS.............................47 BELOW (UNOFFICIAL)
CHALKYITSIK RAWS........................46 BELOW (UNOFFICIAL)
FORT YUKON AIRPORT......................46 BELOW
NIKOLAI.................................45 BELOW
TANANA AIRPORT..........................42 BELOW
NENANA AIRPORT..........................42 BELOW
COLDFOOT RAWS...........................41 BELOW (UNOFFICIAL)
BETTLES AIRPORT.........................40 BELOW

$

When i was a freshmen at Lyndon State College back in the late 1990's...i experienced cold approaching this magnitude...during a flipping fire alarm at about 2-3am...i did not like it...at all!!! I don't know how y'all in AK survive!!! you have bigger cojones than i do, that's for sure!!!

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When i was a freshmen at Lyndon State College back in the late 1990's...i experienced cold approaching this magnitude...during a flipping fire alarm at about 2-3am...i did not like it...at all!!! I don't know how y'all in AK survive!!! you have bigger cojones than i do, that's for sure!!!

That's just brutal. We never got anything that bitterly cold in ND till mid-winter. At least the wind doesn't blow much up there.

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As promised, here are some pictures I took this afternoon (by -30/-31):

111119-vr4.jpg

111119-vr2.jpg

111119-vr3.jpg

This evening, a lot of temperatures are already below -30C, here we have -29.5C at 6:30.

The night may be frigid if the sky stays clear.

Awesome pictures. You can tell how cold it is. In ND we would get cold stuff like that all the time..I am used to it. I love it when the ice crystals would fill the sky with all sorts of neat optical phenomena.

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Good morning everybody,

Cold is here with a low of -38.9C in Hidden valley.

On the territory, at 9:00 we had:

-45C in Beaver Creek (dayly record), -43 in Haines Junction (dayly record, windchill of -46C) and Mayo, -41 in Carmacks and Dawson,

-39 in Mayo and Faro, -36 in Burwash (windchill of -46) and Watson Lake, -34 in Teslin (windchill of -43)

-29 in Whitehorse (windchill of -42)

We now have some ice crystals:

webcammeteowhitehorse.jpg

Today should be sunny, and a bit windy with a windchill close to the -40s.

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how do you dress when you go outside? how do you keep your house warm??? i can't even imagine these temperatures...

Hello,

I wear several layers. Dow to -30C, I usually wear warm underwears + a warm jacket (Canada Goose) and lined trousers + 2 pairs of sockets + warm boots + hat. Below, I add a sweater.

This afternoon, we got -24C, we hiked in the Fish Lake area. It was magic, with ice crystal and temperatures ranging between -32 and -36C. I will post some pictures tomorrow.

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Hello,

I wear several layers. Dow to -30C, I usually wear warm underwears + a warm jacket (Canada Goose) and lined trousers + 2 pairs of sockets + warm boots + hat. Below, I add a sweater.

This afternoon, we got -24C, we hiked in the Fish Lake area. It was magic, with ice crystal and temperatures ranging between -32 and -36C. I will post some pictures tomorrow.

i love it! this made me smile and LOL!!!

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Good morning everybody,

Today, low of -28.1C, we now have -24.3C with some light snow.

Lows between -40C (Dawson) and -22C (Old Crow) in the territory this morning. It warmed up, but we will keep the cold all the week (apart here in around Wednesday and Thursday).

Here are some pictures I took yesterday around Fish Lake (between -32 and -36C):

111120-FL1.jpg

111120-FL2.jpg

111120-FL3.jpg

111120-FL4.jpg

It was between 2:30 and 4:00 in the afternoon at sunset. You can see some ice crystals fog patches, a sundog, the creek never freezes.

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Classic fall storm moving into the Coast. Definitely a wind producer as well as heavy rain/snow at higher elevations. Sub 975 mb sfc low right now.

post-6489-0-82496000-1321951670.jpg

post-6489-0-66447200-1321951863.jpg

Metro Vancouver

9:08 PM PST Monday 21 November 2011

Wind warning for

Metro Vancouver continued

Southeasterly winds of 80 to 100 km/h over coastal sections of the central coast, north and West Vancouver Island tonight.

South to southeast winds of 70 to 90 km/h over Metro Vancouver, Fraser Valley, Southern Howe Sound, East Vancouver Island, Sunshine Coast, and Southern Gulf Islands tonight.

A burst of southwest inflow of 80 to 100 km/h affecting inlets of the central coast Tuesday morning.

This is a warning that potentially damaging winds are expected or occurring in these regions. Monitor weather conditions..Listen for updated statements.

Two approaching low pressure disturbances from the Pacific ocean will bring yet another round of unfavourable weather to many regions in coastal British Columbia tonight. Heavy snowfall will continue over Whistler and will begin over Central Coast - inland sections early this evening. About 10 to 15 cm of the white stuff is expected for Central Coast - inland sections while another 20 to 30 cm will likely fall over Whistler tonight.

Rain at times heavy is forecast to develop this evening over the north shore of Vancouver, Howe Sound, the Sunshine Coast and areas from Comox to Parksville on East Vancouver Island. 60 mm of rain is possible over these regions by Tuesday morning.

Strong southeasterly winds will redevelop with the arrival of the next system tonight for much of coastal British Columbia including the Lower Mainland. These winds are expected to diminish quickly Tuesday morning in the wake of the disturbance.

With the track of the low into the central coast of British Columbia, a quick burst of southwesterly inflow of 80 to 100 km/h is possible near Bella Coola Tuesday morning.

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Good morning everybody,

Today, low of -28.1C, we now have -24.3C with some light snow.

Lows between -40C (Dawson) and -22C (Old Crow) in the territory this morning. It warmed up, but we will keep the cold all the week (apart here in around Wednesday and Thursday).

Here are some pictures I took yesterday around Fish Lake (between -32 and -36C):

It was between 2:30 and 4:00 in the afternoon at sunset. You can see some ice crystals fog patches, a sundog, the creek never freezes.

I could understand if it never freezes solid, but does it at least develop a layer of ice on top in the winter? Mixing would certainly delay the freezing process, but I couldn't imagine not getting some surface ice at those temperatures!

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From NWS Fairbanks:

INTERIOR...A MODERATELY STRONG PRESSURE GRADIENT TODAY INTO TONIGHT

WILL ONLY VERY SLOWLY BEGIN TO RELAX WEDNESDAY. A VERY COLD AIRMASS

ALOFT WILL VERY SLOWLY MODERATE THE NEXT TWO DAYS. 500 MB HEIGHTS

BOTTOMED OUT AT 490 DM WITH AN 850 MB TEMP OF -30.5C AT FAIRBANKS

YESTERDAY AFTERNOON AT 00Z. THIS WAS SIGNIFICANTLY COLDER ALOFT

THAN LAST WEEK. IT WAS A GOOD THING THAT THE UPPER LOW PASTED TO

THE WEST OF THE INTERIOR AND ALLOWED SOME CLOUDS AND WEAK

OVERRUNNING TO HELP TEMPER THE COLD.

TO GIVE SOME PERSPECTIVE THE 500 MB HEIGHT OF 490 DM IS AN ALL-TIME

RECORD LOW 500 MB HEIGHT AT FAIRBANKS FOR THE MONTH OF NOVEMBER.

AT MCGRATH...THE 500 MB HEIGHT OF 483 DM BREAKS THE ALL-TIME

NOVEMBER RECORD OF 490 DM. THE 850 MB TEMPS ARE IN THE TOP 5

PERCENTILE...BUT NOT RECORDS.

Also, some lovely -70 wind chills in Atigun Pass, on the new wind chill scale. That would be very impressive in January, much less November!

NORTHEASTERN BROOKS RANGE-

INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...

SAGWON...FRANKLIN BLUFFS

412 AM AKST TUE NOV 22 2011

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM AKST WEDNESDAY

AT ATIGUN PASS...

.TODAY...CLOUDY. FLURRIES. AREAS OF BLOWING SNOW THROUGH PASSES

WITH LOCALLY POOR VISIBILITY. TEMPERATURES STEADY FROM 25 TO 40

BELOW. NORTH WINDS AROUND 15 MPH. GUSTS TO 35 MPH IN PASSES WITH

WIND CHILL TO 70 BELOW AT ATIGUN PASS.

.TONIGHT...MOSTLY CLOUDY. AREAS OF BLOWING SNOW THROUGH PASSES

WITH LOCALLY POOR VISIBILITY. TEMPERATURES 25 TO 40 BELOW. NORTH

WINDS AROUND 15 MPH. GUSTS TO 30 MPH IN PASSES WITH WIND CHILL TO

70 BELOW AT ATIGUN PASS.

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From NWS Fairbanks:

INTERIOR...A MODERATELY STRONG PRESSURE GRADIENT TODAY INTO TONIGHT

WILL ONLY VERY SLOWLY BEGIN TO RELAX WEDNESDAY. A VERY COLD AIRMASS

ALOFT WILL VERY SLOWLY MODERATE THE NEXT TWO DAYS. 500 MB HEIGHTS

BOTTOMED OUT AT 490 DM WITH AN 850 MB TEMP OF -30.5C AT FAIRBANKS

YESTERDAY AFTERNOON AT 00Z. THIS WAS SIGNIFICANTLY COLDER ALOFT

THAN LAST WEEK. IT WAS A GOOD THING THAT THE UPPER LOW PASTED TO

THE WEST OF THE INTERIOR AND ALLOWED SOME CLOUDS AND WEAK

OVERRUNNING TO HELP TEMPER THE COLD.

TO GIVE SOME PERSPECTIVE THE 500 MB HEIGHT OF 490 DM IS AN ALL-TIME

RECORD LOW 500 MB HEIGHT AT FAIRBANKS FOR THE MONTH OF NOVEMBER.

AT MCGRATH...THE 500 MB HEIGHT OF 483 DM BREAKS THE ALL-TIME

NOVEMBER RECORD OF 490 DM. THE 850 MB TEMPS ARE IN THE TOP 5

PERCENTILE...BUT NOT RECORDS.

Also, some lovely -70 wind chills in Atigun Pass, on the new wind chill scale. That would be very impressive in January, much less November!

NORTHEASTERN BROOKS RANGE-

INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...

SAGWON...FRANKLIN BLUFFS

412 AM AKST TUE NOV 22 2011

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM AKST WEDNESDAY

AT ATIGUN PASS...

.TODAY...CLOUDY. FLURRIES. AREAS OF BLOWING SNOW THROUGH PASSES

WITH LOCALLY POOR VISIBILITY. TEMPERATURES STEADY FROM 25 TO 40

BELOW. NORTH WINDS AROUND 15 MPH. GUSTS TO 35 MPH IN PASSES WITH

WIND CHILL TO 70 BELOW AT ATIGUN PASS.

.TONIGHT...MOSTLY CLOUDY. AREAS OF BLOWING SNOW THROUGH PASSES

WITH LOCALLY POOR VISIBILITY. TEMPERATURES 25 TO 40 BELOW. NORTH

WINDS AROUND 15 MPH. GUSTS TO 30 MPH IN PASSES WITH WIND CHILL TO

70 BELOW AT ATIGUN PASS.

I was just looking at that yesterday. Makes sense when the whole polar vortex displaces over top of you.

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Valdez had sustained winds of 100mph and gusts to 120mph with this event. What makes this event so rare is the upper level winds were from the south! These winds were created by the combination of surface pressure gradient (High over the interior, Low in the Gulf of Alaska) and cold air in the Copper River Basin being held back by the Chugach. The Gulkana(Copper River Basin) to Cordova(Along the coast near Valdez) pressure difference was 22mb!

To put it into perspective the models were only forecasting 50kt in the low/mid levels that was available to mix to the surface. Essentially a katabatic driven event!

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I could understand if it never freezes solid, but does it at least develop a layer of ice on top in the winter? Mixing would certainly delay the freezing process, but I couldn't imagine not getting some surface ice at those temperatures!

There is a small dam on this lake, and I just wonder if it does not explain why it never freezes. Just a guess !

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I could understand if it never freezes solid, but does it at least develop a layer of ice on top in the winter? Mixing would certainly delay the freezing process, but I couldn't imagine not getting some surface ice at those temperatures!

I already told you that it may be a dam but it is funny because I just read a news release today about why water doesn't need to freeze until -55F: My link....

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