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Mountain West Discussion


Chinook

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Downtown Los Angeles was high 89 low 56. Note: my area averages high 88 low 59 in mid-July.

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...PRELIMINARY RECORD DAILY HIGH TEMPERATURES FOR SOUTHERNCALIFORNIA...A RECORD HIGH TEMPERATURE OF 89 DEGREES WAS SET AT LOS ANGELESDOWNTOWN (USC) CA TODAY. THIS BREAKS THE OLD RECORD OF 85 SET IN2006.

 

Whitefish typically only gets above 89 five or ten times in an entire year lol

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yesterday: Fort Collins got up to 69.9 degrees at CSU

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AKO  : AKRON AIRPORT    :   55  /  31  /  0.00  APA  : CENTENNIAL ARPT  :   65  /  33  /  0.00  DEN  : DENVER INTL ARPT :   66  /  35  /  0.00  LIC  : LIMON            :   50  /  22  /  0.00  FNL  : FT COLLINS ARPT  :   64  /  23  /  0.00  GXY  : GREELEY AIRPORT  :   61  /  16  /  0.00  

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Today

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AKO  : AKRON AIRPORT    :   56  /  31  /  0.00  APA  : CENTENNIAL ARPT  :   64  /  32  /  0.00  DEN  : DENVER INTL ARPT :   64  /  29  /  0.00  LIC  : LIMON            :   50  /  15  /  0.00  FNL  : FT COLLINS ARPT  :   54  /  27  /  0.00  GXY  : GREELEY AIRPORT  :   52  /  23  /  0.00  

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Broomfield-Jeffco: 64.4, Aurora-Buckley AFB: 65,  Fort Collins-CSU: 59.0

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Accuweather has 2.6" for Albuquerque and 4.6" for Denver in March - precip, not even snow. It does seem like warm/dry Febs often precede pretty intense March patterns in El Nino in NM and CO. CFS seems to like the West 4x-5x wetter than normal in March right now...

In the spirit of "dueling superheroes" that seems to be the thing this Spring, how about "AccuWeatherMan" vs. "RidgeZilla of Death"? Trailer coming soon to a theater near you.

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wind gust of 71mph at Morrison, CO tonight. That ought to snap a few branches in the metro area. I am seeing the local storm reports from W Denver and Boulder as thunderstorm wind gusts, but they are happening with clear skies. We had wind gusts 30-55mph around here with temps up to 60 degrees briefly.

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wind gust of 71mph at Morrison, CO tonight. That ought to snap a few branches in the metro area. I am seeing the local storm reports from W Denver and Boulder as thunderstorm wind gusts, but they are happening with clear skies. We had wind gusts 30-55mph around here with temps up to 60 degrees briefly.

It was roaring on Rt 36 yesterday evening between Broomfield and Boulder. Blowing road dirt/gravel at the vehicle. Easily 50+mph gusts, a couple may have been 60+.

 

12z GFS looks like perpetual early spring here through the end of the run.

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The winds have come back. We have winds of 28mph gusting to 48mph on the west side of Fort Collins.

 

High wind watch posted by the NWS for tomorrow, including Larimer county, Boulder, west side of Denver

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INCLUDING THE CITIES OF...ESTES PARK..FORT COLLINS.....LOVELAND.....ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT301 PM MST SUN FEB 14 2016...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAYAFTERNOON...THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WINDWATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAYAFTERNOON.* TIMING...WHILE GUSTY WINDS WILL DECREASE SOMEWHAT  TONIGHT...STRONGER WINDS WILL LIKELY DEVELOP BY EARLY MONDAY  MORNING AND STRENGTHEN THROUGH THE EARLY AFTERNOON HOURS. WINDS  WILL SLOWLY DIMINISH MONDAY EVENING.* WINDS...WEST 20 TO 40 MPH WITH GUSTS TO 75 MPH POSSIBLE.
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Heard the first redwing blackbirds of the year on Sunday morning. Happy Spring!

(of course Spring can mean almost anything in CO..)

 

Crosswinds almost blew me over twice on a bike ride on the Cherry Creek Trail yesterday.

We hiked North Table Mountain yesterday afternoon. It was...windy...

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Lots of green patches showing up in Whitefish amongst the melting snow... very unusual for this micro climate.  My understanding is that last year was much the same.  **** the RRR lol.

The RRR (or western ridge) appears to be a part of our climate, in the 5-year averages. Central and southern California have had at least D1 (moderate drought) since Jan 3 2012 as per the Drought Monitor. Northern California hasn't had an above-normal precipitation calendar-year since 2012. 2015 had record warmth (for a 12-month average) west of the Rockies.

 

NWS has posted wind advisories or high wind warnings for the central Mountain West, and red flag advisories for sections of the southern Plains. Perhaps my area won't have much winds over 30mph though.

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The precip patterns this El Nino so far (Nov 17-Feb 16 as a proxy for Dec 1 - Feb 29) look fairly similar to 1939-40, 1945-46, 1987-88, 2006-07, 2009-10 combined. It's a weird combo for sure, predecessor to the super El Nino in the early 40s, the PDO flip year in the 40s, the second year of a double El Nino, another PDO flip year, and then 2009-10. The years have big snows in the SW, CO, NE, but aren't particularly dry in the midwest. This is what I mean visually:

 

iWQEqPi.png

It's off a bit in the interior NW and interior SE, but I'd put it at a 65-75% match overall. Pretty warm Spring in those years - although cold in the SW in May. Cold in the NE in Apr. Very warm outside the SW in March. Fairly wet Spring for eastern NM/CO.

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Denver- record high of 73, 23 degrees above average for the day (considering morning low and afternoon high)

 

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   ..THE DENVER CO CLIMATE SUMMARY FOR FEBRUARY 18 2016    VALID TODAY AS OF 0400 PM LOCAL TIME.    CLIMATE NORMAL PERIOD 1981 TO 2010  CLIMATE RECORD PERIOD 1872 TO 2016    WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST                       VALUE   (LST)  VALUE       VALUE  FROM      YEAR                                                         NORMAL                ..............................................................    TEMPERATURE (F)                                                        TODAY                                                                   MAXIMUM         73R   249 PM  71    1930  47     26       47           MINIMUM         39   1204 AM -13    2006  19     20       14           AVERAGE         56                        33     23       31  

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Hill City, Kansas was 31 degrees above average for the day (considering morning low and afternoon high)

 

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..THE HILL CITY KS CLIMATE SUMMARY FOR FEBRUARY 18 2016    VALID TODAY AS OF 0500 PM LOCAL TIME.    CLIMATE NORMAL PERIOD 1981 TO 2010  CLIMATE RECORD PERIOD 1896 TO 2016    WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST                       VALUE   (LST)  VALUE       VALUE  FROM      YEAR                                                         NORMAL                ..............................................................    TEMPERATURE (F)                                                        TODAY                                                                   MAXIMUM         85R   450 PM  75    1986  47     38       35           MINIMUM         45   1223 AM  -6    1978  20     25       12       AVERAGE         65                        34     31       24   

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Denver- record high of 73, 23 degrees above average for the day (considering morning low and afternoon high)

 

--

   ..THE DENVER CO CLIMATE SUMMARY FOR FEBRUARY 18 2016    VALID TODAY AS OF 0400 PM LOCAL TIME.    CLIMATE NORMAL PERIOD 1981 TO 2010  CLIMATE RECORD PERIOD 1872 TO 2016    WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST                       VALUE   (LST)  VALUE       VALUE  FROM      YEAR                                                         NORMAL                ..............................................................    TEMPERATURE (F)                                                        TODAY                                                                   MAXIMUM         73R   249 PM  71    1930  47     26       47           MINIMUM         39   1204 AM -13    2006  19     20       14           AVERAGE         56                        33     23       31  

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Hill City, Kansas was 31 degrees above average for the day (considering morning low and afternoon high)

 

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..THE HILL CITY KS CLIMATE SUMMARY FOR FEBRUARY 18 2016    VALID TODAY AS OF 0500 PM LOCAL TIME.    CLIMATE NORMAL PERIOD 1981 TO 2010  CLIMATE RECORD PERIOD 1896 TO 2016    WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST                       VALUE   (LST)  VALUE       VALUE  FROM      YEAR                                                         NORMAL                ..............................................................    TEMPERATURE (F)                                                        TODAY                                                                   MAXIMUM         85R   450 PM  75    1986  47     38       35           MINIMUM         45   1223 AM  -6    1978  20     25       12       AVERAGE         65                        34     31       24   

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Wow...nothing like breaking the record high by 10°, especially with that period of record.

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Winds were making my house shake a little bit at midnight.

 

As of yesterday, Denver is 3.9 degrees F above normal for the month. We started the month with thick snowcover.

 

Wyoming DOT has wind sensors every few miles on I-80. One of those sensors had a wind gust of 91mph yesterday (perhaps with snow squall)

 

 

vThMbjV.jpg

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Here is the Monday to Tuesday snow total predicted by the 12z GFS. This could be a trace-6" storm for some areas of the cities and plains. I'm not sure which parts of the cities would get the most snow. The GFS highlights Denver to Colorado Springs. The 500mb vertical velocity should be decent, but low level upslope should not be strong. There will probably be 6-12" for the northern and central mountains.

 

1gcmYch.png

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would be nice- things are getting pretty dry right now.

 

Ice out on Cherry Creek lake this morning, ice fishing season was pretty short, like 4-5 weeks. Lake looks like it's at "spring runoff" levels, with not much more to run off till we get more snow.

 

RidgeZilla is winning for the moment... AccuWeatherMan is starting to think about where he will go for vacation if the western 1/3 of the country incinerates in 2017. Time to buy popcorn.

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