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Old 01-02-2016, 08:20 PM
 
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Quote:
Originally Posted by Infamous92 View Post
Lol there's no way that'll verify.
Well maybe not for Atlanta, but that forecast certainly can and has happened in Chicago
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Old 01-02-2016, 08:39 PM
 
51 posts, read 73,806 times
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Quote:
Originally Posted by RAlex View Post
Brownsville, Texas at 3 PM! 25.91 N and elevation 23 ft.
That was pretty strange; Houston right now this night is warmer than that:
Attachment 163770

Although Brownsville is still at the same temp at this time:
Attachment 163771

Quote:
Originally Posted by muslim12 View Post
At 25 degrees north it should be tropical. But not only is it not tropical it is colder than many other subtropical locations. Crazy us weather.
The tropical latitudes start at 23.5 N/S of the equator, so tropical climates above those latitudes are exceedingly warm.

Quote:
Originally Posted by alex985 View Post
Yet here at the same latitude but on the wrong side of the Gulf, a day like this would be extraordinary.
The Texas Coast can get periods of heavy cloud cover during winter, which can keep daytime highs cool, like what you see, but at night, those same clouds still present prevent lows from bottoming out. Look at how in Texas and Louisiana, USDA zone 9 extends quite far inland, while such zones are confined to the coast in the states further east (except Florida):
http://davesgarden.com/zone/usda_hardiness_640.gif
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Old 01-02-2016, 08:56 PM
 
Location: Westminster/Huntington Beach, CA
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Default Finally!

Ahhhh...Finally we get to see some substantial rainfall out here in SoCal. Not to mention snow in our local mountains too! (And quite possibly a lot)

NWS 7-Day Total:



7-Day Totals



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Old 01-02-2016, 10:05 PM
 
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Gfs is now showing Arctic bullseye right over Chicagoland


https://twitter.com/BigJoeBastardi/s...12651540905985
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Old 01-02-2016, 10:08 PM
 
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https://twitter.com/Met_mdclark/stat...08614145835008
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Old 01-03-2016, 05:28 AM
 
Location: Estonia
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It's been heavily snowing all day after a stretch of -18°C days. So beautiful, better late than never.
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Old 01-03-2016, 06:17 AM
 
Location: Near the Coast SWCT
83,564 posts, read 75,484,590 times
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A look at the current temps at 850mb around the Globe and who's reporting what. Lots of locations is snow falling in East Canada and Central Europe. You can be assured where those pinks and whites are it's pretty darn cold.


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Old 01-03-2016, 06:46 AM
 
Location: Near the Coast SWCT
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Coldest night and day of the season coming up. Here are the NWS Forecast lows for Tuesday morning









http://www.erh.noaa.gov/gis/images/SE_mint_Day2.png

http://www.erh.noaa.gov/gis/images/PHI_mint_Day2.png
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Old 01-03-2016, 07:26 AM
 
Location: New Jersey
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Quote:
Originally Posted by NativeOrange View Post
Ahhhh...Finally we get to see some substantial rainfall out here in SoCal. Not to mention snow in our local mountains too! (And quite possibly a lot)

NWS 7-Day Total:



7-Day Totals



This should be very beneficial for California, though flooding might be an issue. Hopefully it'll be more of a slow, steady soaking rain.

Current US Drought Monitor:



^ Some subtle improvements this week compared to last week.

Here's a good summary from NWS Los Angeles about the upcoming week:

...A SERIES OF STORMS TO AFFECT SOUTHWESTERN CALIFORNIA MUCH OF
NEXT WEEK...


...TIME TO PREPARE FOR POTENTIAL FLOODING AND DEBRIS FLOWS FROM
RECENT BURN AREAS...

A SERIES OF STORM SYSTEMS ARE LINING UP ACROSS THE PACIFIC OCEAN
AND WILL AFFECT SOUTHWEST CALIFORNIA THROUGH NEXT WEEK. THE FIRST
STORM IS EXPECTED TO BRING A THREAT OF RAIN TO THE CENTRAL COAST
BY SUNDAY AFTERNOON...SPREADING SOUTH OF POINT CONCEPTION ON
SUNDAY NIGHT. THE CHANCE OF RAIN AND MOUNTAIN SNOW WILL LIKELY
PERSIST ACROSS THE ENTIRE FORECAST AREA INTO MONDAY. THERE IS
STILL SOME UNCERTAINTY ON RAINFALL AMOUNTS WITH THIS FIRST
SYSTEM...BUT MOST AREAS SHOULD SEE BETWEEN ONE QUARTER AND THREE
QUARTERS OF AN INCH. MOUNTAIN RESORTS ABOVE 6000 FEET COULD SEE 2
TO 4 INCHES OF SNOW WITH THIS FIRST SYSTEM.


THE SECOND STORM ON TUESDAY IS FORECASTED TO BE STRONGER WITH
MORE SOUTHERLY FLOW THAT WILL HELP TO ENHANCE RAINFALL

TOTALS...ESPECIALLY ACROSS SOUTH FACING MOUNTAINS AND FOOTHILLS.
COASTAL AND VALLEY AREAS CAN GENERALLY EXPECT BETWEEN ONE AND TWO
INCHES OF RAIN WITH THIS SYSTEM...WITH TWO TO FOUR INCHES POSSIBLE
IN THE FOOTHILLS AND MOUNTAINS.
DUE TO THE POTENTIAL FOR RAINFALL
RATES BRIEFLY REACHING ONE HALF INCH PER HOUR...RECENT BURN
AREAS...INCLUDING THE SOLIMAR BURN AREA...WILL BE AT RISK FOR
FLASH FLOODING WITH MUD AND DEBRIS FLOWS. SNOW LEVELS WITH THIS
SECOND STORM ARE GENERALLY EXPECTED TO RANGE BETWEEN 6000 AND 7000
FEET. THERE IS THE POTENTIAL FOR SIGNIFICANT SNOW WITH 1 TO 2 FOOT
ACCUMULATIONS POSSIBLE ABOVE 7000 FEET...AND LESSER AMOUNTS DOWN
TO 6000 FEET.
DUE TO THE POTENTIAL FOR HEAVY SNOW AND STRONG
SOUTHERLY WINDS...A WINTER STORM WATCH WILL NEED TO BE CONSIDERED
FOR THIS STORM AS WE DRAW CLOSER TO THE EVENT.

PERIODS OF ADDITIONAL RAIN AND MOUNTAIN SNOW WILL BE LIKELY
WEDNESDAY THROUGH FRIDAY. THESE SYSTEMS WILL HAVE THE POTENTIAL
TO BE COLDER...WITH SNOW LEVELS FALLING AS LOW AS 4000 FEET.
THE
LOWER SNOW LEVELS COULD RESULT IN MORE WIDESPREAD SNOW IMPACTS
ACROSS THE LOCAL MOUNTAINS...INCLUDING INTERSTATE 5 NEAR THE
GRAPEVINE. THERE IS STILL SOME UNCERTAINTY IN THE EXACT TIMING
AND TRACK OF THESE SYSTEMS LATER IN THE WEEK...HOWEVER THE
POTENTIAL EXISTS FOR BRIEF HEAVY DOWNPOURS AND ISOLATED
THUNDERSTORMS.

ON TOP OF THE RAIN AND SNOW...THERE WILL BE HIGH SURF CONDITIONS
MUCH OF NEXT WEEK...POTENTIALLY REACHING DAMAGING LEVELS BY
WEDNESDAY OR THURSDAY. THE COMBINATION OF HIGH SURF...GUSTY
WINDS...PERIODS OF RAIN...AND HIGH TIDES WILL BRING THE POTENTIAL
FOR SOME COASTAL FLOODING BY MIDWEEK. FOR MORE DETAILS ON HIGH SURF
AND COASTAL FLOODING...PLEASE REFER TO THE LATEST COASTAL HAZARD
MESSAGE.

http://forecast.weather.gov/showsigw...7#.Vokt2vkrLIU
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Old 01-03-2016, 07:41 AM
 
29,556 posts, read 19,666,897 times
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I usually dislike Lake Michigan's influence, especially in the summer where shoreline and city proper can see daytime temperatures impacted by keeping them down, and night time temperature up. I almost never get it's influence being 35+ miles away, though lake breezes have been known to travel 40 miles inland during the spring. On the other hand, I usually miss out on lake effect snow (though not always).



Here are the minimums at Northerly Island, on the lake in downtown Chicago, so that station has a combo if lake and UHI influence. MDW which is 9 miles inland so it has less of a lake influence but a strong UHI, ORD which 12 miles away from the lake and more of a suburban heat island, and the Kankakee station which is 5 miles south of where I live, and over 40 miles from the lakeshore. I would say it's definitely a rural or exurban influence station.

July 2012, Northerly Island had a minimum of 75F . That's 6 degrees warmer than I did, and about the same in January 2014. Even at just 12 miles away, Northerly Island was 4 degrees warmer than ORD in July 2012, and January 2014. Incidentally, I looked at LGA NYC, which is also a strong UHI and water influenced station, and the highest average minimum I could find was July 2010 at 74.9F.




Is the GFS always the last at the Arctic air party?


https://twitter.com/BigJoeBastardi/s...23258415616000

Last edited by chicagogeorge; 01-03-2016 at 08:02 AM..
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