Jump to content
Search In
  • More options...
Find results that contain...
Find results in...
East Coast Rain Blues

Why cold and snow is out and wet a warm remains the theme in the East, join in the conversation.

Staff Recommended Posts

Temperatures across most of the Quebec-Windsor Corridor are forecast to drop below freezing, and stay there for at least 2 weeks. It could be longer. The forecasts available to me only go out 2 weeks. First, data extracted from the GFS text forecast (temperatures in Fahrenheit)...

Quote

The following derived from http://charlie.wxcaster.com/
 12Z  8JAN 2019  CYXU   CYKF   CYHM   CYYZ   CYOW   CYUL   CYQB
   HR Valid     2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp
                 Deg F  Deg F  Deg F  Deg F  Deg F  Deg F  Deg F
    0 01/08 12Z   35     34     37     39     35     28     17
    3 01/08 15Z   38     35     39     38     35     33     21
    6 01/08 18Z   41     37     42     40     35     35     26
    9 01/08 21Z   42     36     42     39     34     34     27
   12 01/09 00Z   37     35     40     39     33     33     28
   15 01/09 03Z   34     35     37     38     33     33     27
   18 01/09 06Z   30     33     35     38     33     32     30
   21 01/09 09Z   29     29     32     34     32     31     32
   24 01/09 12Z   27     27     29     32     33     32     33
   27 01/09 15Z   28     28     30     33     33     33     34
   30 01/09 18Z   29     29     31     33     33     34     33
   33 01/09 21Z   28     28     30     32     34     34     31
   36 01/10 00Z   27     26     29     30     32     33     29
   39 01/10 03Z   26     24     27     29     31     32     27
   42 01/10 06Z   25     22     25     27     30     31     25
   45 01/10 09Z   24     19     23     25     25     30     22
   48 01/10 12Z   22     17     20     22     22     29     21
   51 01/10 15Z   21     16     20     20     17     27     27
   54 01/10 18Z   22     17     21     20     13     24     29
   57 01/10 21Z   21     16     19     20     10     17     22
   60 01/11 00Z   20     14     16     18      5     11     16
   63 01/11 03Z   20     13     16     17      1      7     11
   66 01/11 06Z   16     12     15     15      0      3      7
   69 01/11 09Z   13     11     14     14     -3      0      3
   72 01/11 12Z   12     11     13     13     -5     -3     -2
   75 01/11 15Z   15     14     15     14     -3     -2     -3
   78 01/11 18Z   20     18     20     18      1      1     -1
   81 01/11 21Z   22     20     22     21      3      2     -4
   84 01/12 00Z   20     18     22     22      0      0     -8
   87 01/12 03Z   20     18     21     21     -1     -1    -11
   90 01/12 06Z   20     19     21     22     -2     -3    -14
   93 01/12 09Z   19     19     21     22     -3     -4    -15
   96 01/12 12Z   19     19     21     22     -4     -5    -15
   99 01/12 15Z   22     21     24     23      0      0     -9
  102 01/12 18Z   25     24     26     25      4      3     -2
  105 01/12 21Z   25     24     26     26      4      2     -3
  108 01/13 00Z   24     24     25     26      0     -1     -8
  111 01/13 03Z   23     24     25     26     -2     -4    -10
  114 01/13 06Z   23     24     24     25     -3     -5    -12
  117 01/13 09Z   22     23     23     24     -4     -7    -13
  120 01/13 12Z   21     22     22     23     -6     -8    -14
  123 01/13 15Z   23     23     24     22     -1     -4     -5
  126 01/13 18Z   27     24     26     23      4      1      0
  129 01/13 21Z   26     24     25     24      3     -1     -2
  132 01/14 00Z   23     22     23     23      0     -5     -8
  135 01/14 03Z   21     21     23     22     -1     -6     -9
  138 01/14 06Z   20     20     22     21     -1     -6    -10
  141 01/14 09Z   19     19     21     21     -1     -6    -10
  144 01/14 12Z   19     19     20     22      0     -5    -10

CYXU London International Airport - London, Ontario
CYKF Region of Waterloo International Airport
CYHM John C. Munro Hamilton International Airport
CYYZ Toronto Pearson International Airport - Toronto, Ontario
CYOW Ottawa Macdonald-Cartier International Airport
CYUL Montréal-Pierre Elliott Trudeau International Airport - Montreal, Quebec
CYQB Québec City Jean Lesage International Airport - Quebec City, Quebec

 

Next is the NAEFS prog for Toronto Pearson Airport. This goes out to the 22nd. The top strip is temperatures (Celsius). Note that once it drops below 0 C, it stay below 0 C to the end of the forecast period.

 

yyz.png

Share this post


Link to post
Share on other sites

The next few days look sunnier at least which is a major plus when cold air is around.

Share this post


Link to post
Share on other sites

GFS text indicates that temperatures may briefly come close to, or possibly get above freezing on the 15th, and then fall into cold levels again. The NAEFS for Toronto agrees. I assume other nearby sites are similar. Here's the GFS text...

Quote

The following derived from http://charlie.wxcaster.com/
 12Z 10JAN 2019  CYXU   CYKF   CYHM   CYYZ   CYOW   CYUL   CYQB
   HR Valid     2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp
                 Deg F  Deg F  Deg F  Deg F  Deg F  Deg F  Deg F
    0 01/10 12Z   20     15     18     21     17     25     20
    3 01/10 15Z   22     17     20     22     17     25     25
    6 01/10 18Z   23     19     23     22     17     24     29
    9 01/10 21Z   22     18     22     21     12     19     26
   12 01/11 00Z   21     15     18     20      7     16     19
   15 01/11 03Z   21     14     17     19      4     10     13
   18 01/11 06Z   19     13     16     17      1      5      8
   21 01/11 09Z   17     13     16     15     -2      1      2
   24 01/11 12Z   15     12     15     14     -4     -2     -2
   27 01/11 15Z   17     14     16     14     -1     -1     -2
   30 01/11 18Z   21     18     21     18      3      2      0
   33 01/11 21Z   22     19     23     21      4      3     -2
   36 01/12 00Z   20     17     22     20      1      1     -5
   39 01/12 03Z   19     17     21     20      0      0     -8
   42 01/12 06Z   18     17     21     21      0     -1     -9
   45 01/12 09Z   18     19     21     21     -1     -2    -11
   48 01/12 12Z   20     19     22     21     -3     -2    -12
   51 01/12 15Z   22     21     23     21      2      1     -6
   54 01/12 18Z   25     22     25     23      7      5      0
   57 01/12 21Z   25     22     24     23      6      5     -1
   60 01/13 00Z   23     20     23     22      1      0     -6
   63 01/13 03Z   22     19     23     21      0     -2     -8
   66 01/13 06Z   20     17     22     20     -2     -4    -11
   69 01/13 09Z   18     15     21     19     -4     -6    -12
   72 01/13 12Z   17     14     20     17     -5     -8    -13
   75 01/13 15Z   19     16     21     18      0     -1     -4
   78 01/13 18Z   23     20     23     21      7      3      2
   81 01/13 21Z   23     21     23     21      6      1      0
   84 01/14 00Z   20     19     21     21      1     -2     -6
   87 01/14 03Z   19     18     21     22      0     -3     -8
   90 01/14 06Z   18     18     20     22      0     -2     -8
   93 01/14 09Z   17     18     20     22      0     -2     -9
   96 01/14 12Z   17     18     20     22      0     -2     -8
   99 01/14 15Z   20     20     23     23      8      4      0
  102 01/14 18Z   25     24     27     26     17     11      7
  105 01/14 21Z   27     26     28     28     17     11      6
  108 01/15 00Z   24     23     26     28     12      9      5
  111 01/15 03Z   24     22     25     27     13      9      7
  114 01/15 06Z   23     22     25     27     19     13      6
  117 01/15 09Z   23     22     26     27     19     16      9
  120 01/15 12Z   24     22     27     28     20     16     11
  123 01/15 15Z   26     26     30     30     25     22     16
  126 01/15 18Z   27     27     31     32     30     29     21
  129 01/15 21Z   30     29     30     32     30     28     23
  132 01/16 00Z   30     29     31     33     29     28     24
  135 01/16 03Z   27     25     30     31     27     29     25
  138 01/16 06Z   20     17     22     20     15     29     25
  141 01/16 09Z   16      9     15     13     -1     11     25
  144 01/16 12Z   11      7     11     10     -6     -1     15

CYXU London International Airport - London, Ontario
CYKF Region of Waterloo International Airport
CYHM John C. Munro Hamilton International Airport
CYYZ Toronto Pearson International Airport - Toronto, Ontario
CYOW Ottawa Macdonald-Cartier International Airport
CYUL Montréal-Pierre Elliott Trudeau International Airport - Montreal, Quebec
CYQB Québec City Jean Lesage International Airport - Quebec City, Quebec

 

Here's the NAEFS. The top strip is temperatures...

 

yyz.png

Share this post


Link to post
Share on other sites

The latest GFS text now indicates that temperatures may poke above freezing on the 15th/16th. I'll post the text tomorrow, as things get closer. The GFS at extreme range is rather flakey.

Share this post


Link to post
Share on other sites

It was a nice mainly sunny day here even with the frigid temps.

Share this post


Link to post
Share on other sites
12 hours ago, knorthern_knight said:

The latest GFS text now indicates that temperatures may poke above freezing on the 15th/16th. I'll post the text tomorrow, as things get closer. The GFS at extreme range is rather flakey.

I hope "Flakey" in a good way!  What a horrible winter for snow down our way.  I am lucky to have retiered when i did.  From the snow business side of things winter is half over.

Share this post


Link to post
Share on other sites
53 minutes ago, plowguy said:

I hope "Flakey" in a good way!  What a horrible winter for snow down our way.  I am lucky to have retiered when i did.  From the snow business side of things winter is half over.

It has been a rather lame winter, especially compared to last winter but can't say I'm surprised given El Nino's return.

Share this post


Link to post
Share on other sites

The GFS text continues to have a possible above-freezing January 15th+16th, then drops a bit afterward. When I said "flakey", I meant unreliable :negative:

Quote

The following derived from http://charlie.wxcaster.com/
 12Z 12JAN 2019  CYXU   CYKF   CYHM   CYYZ   CYOW   CYUL   CYQB
   HR Valid     2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp 2m Tmp
                 Deg F  Deg F  Deg F  Deg F  Deg F  Deg F  Deg F
    0 01/12 12Z   19     17     21     20     -5     -3     -8
    3 01/12 15Z   21     19     22     20      1      1     -3
    6 01/12 18Z   24     22     24     22      7      6      2
    9 01/12 21Z   24     21     24     22      7      6      1
   12 01/13 00Z   22     19     23     21      1      2     -3
   15 01/13 03Z   21     18     22     21      0      0     -5
   18 01/13 06Z   20     17     22     20      0     -1     -6
   21 01/13 09Z   19     17     21     20     -2     -2     -7
   24 01/13 12Z   19     17     21     20     -3     -4     -8
   27 01/13 15Z   21     19     22     21      3      1      0
   30 01/13 18Z   25     22     25     23     10      6      7
   33 01/13 21Z   25     22     24     23      8      3      3
   36 01/14 00Z   21     19     22     23      2     -1     -3
   39 01/14 03Z   20     19     22     23      0     -1     -4
   42 01/14 06Z   19     18     22     23      0     -2     -4
   45 01/14 09Z   18     18     21     23      0     -2     -5
   48 01/14 12Z   18     18     21     22      0     -2     -4
   51 01/14 15Z   21     21     24     24      7      5      5
   54 01/14 18Z   26     26     28     27     15     12     11
   57 01/14 21Z   27     26     29     29     15     11      8
   60 01/15 00Z   24     23     27     28     12      8      3
   63 01/15 03Z   24     22     26     27     14     11      5
   66 01/15 06Z   24     22     26     27     18     15      6
   69 01/15 09Z   23     23     25     28     18     15      6
   72 01/15 12Z   24     25     27     29     17     16      6
   75 01/15 15Z   27     27     29     31     22     20     13
   78 01/15 18Z   31     30     33     34     26     24     18
   81 01/15 21Z   30     30     32     34     25     23     14
   84 01/16 00Z   28     28     30     33     24     21      5
   87 01/16 03Z   27     27     29     31     23     20      4
   90 01/16 06Z   28     27     30     31     26     23      7
   93 01/16 09Z   29     28     30     32     30     26     11
   96 01/16 12Z   31     30     32     33     29     30     15
   99 01/16 15Z   31     31     33     35     31     32     23
  102 01/16 18Z   32     30     34     34     33     34     29
  105 01/16 21Z   26     24     30     28     19     27     30
  108 01/17 00Z   20     17     22     20      7     15     10
  111 01/17 03Z   17     14     19     16      0      4      0
  114 01/17 06Z   15     13     17     13     -3      0     -7
  117 01/17 09Z   15     12     15     11     -6     -3    -14
  120 01/17 12Z   14     11     14     11     -8     -6    -19
  123 01/17 15Z   17     13     16     13     -3     -2    -12
  126 01/17 18Z   21     17     20     17      2      1     -4
  129 01/17 21Z   22     19     21     19      2      1     -7
  132 01/18 00Z   21     18     21     21     -1     -2    -14
  135 01/18 03Z   20     18     21     23     -1     -3    -15
  138 01/18 06Z   20     20     22     25     -1     -2    -14
  141 01/18 09Z   21     21     23     26      0     -3    -10
  144 01/18 12Z   22     22     24     26      2     -3     -5

CYXU London International Airport - London, Ontario
CYKF Region of Waterloo International Airport
CYHM John C. Munro Hamilton International Airport
CYYZ Toronto Pearson International Airport - Toronto, Ontario
CYOW Ottawa Macdonald-Cartier International Airport
CYUL Montréal-Pierre Elliott Trudeau International Airport - Montreal, Quebec
CYQB Québec City Jean Lesage International Airport - Quebec City, Quebec

 

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Recently Browsing   0 members

    No registered users viewing this page.

×