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MOS Comparison Tool

Following model trends is invaluable to producing a good forecast. Twister's MOS-Comparison tool allows you to quickly view how MOS products have changed since their last run.

Values are color-coded to help use this utility:

  • Orange numbers display the decrease in value since the last run
  • Green numbers display the increase in value since the last run.
  • Gray numbers (always 0) indicate that the value has not changed.

Enter a 4 letter station identifier (e.g. KCMH) below to use this tool. Use our station lookup tool if you need help finding a station.

Norfolk, VA (KORF)

Latitude: 36.9° Longitude: -76.2° Elevation: 14 m ASL Permanent Link

NAM-MOS Comparison

					
KORF   NAM MOS GUIDANCE   10/20/2017  1200 UTC
DT /OCT  20/OCT  21                /OCT  22                /OCT  23
HR   18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 06 12
N/X                    57          74          57          73    60
+/-                     0           0           1           2      
TMP  74 73 66 63 60 59 59 69 73 72 65 61 59 59 60 68 71 69 65 63 63
+/-   1  0  0  0  1  1  1  0  1  1  1  0  0  1  1     3     2      
DPT  52 52 55 55 55 54 54 53 52 53 55 55 56 56 58 61 61 61 61 62 61
+/-   0  3  2  1  1  1  0  1  0  0  0  0  1  1  2     0     1      
CLD  CL CL CL CL CL CL CL CL FW CL FW CL CL CL SC BK BK BK SC BK BK
WDR  02 04 04 00 00 01 00 03 03 06 08 10 10 14 12 10 09 09 11 17 19
WSP  06 04 01 00 00 01 00 04 06 06 03 04 01 01 03 06 08 07 04 02 01
+/-   0  0  0  1  2  0  1  0  1  0  1  1  2  0  1     1     1      
P06         1     2     5     2     2     2     3     3     9  3  5
+/-         0     0     2     1     0     1     1     1     4      
P12                     5           3           4           9     6
+/-                     1           1           0           3      
Q06         0     0     0     0     0     0     0     0     0  0  0
+/-         0     0     0     0     0     0     0     0     0      
Q12                     0           0           0           0     0
+/-                     0           0           0           0      
T06      0/ 0  0/ 0  0/ 4  0/ 0  0/ 0  0/ 0  0/ 1  0/ 1  0/ 0  0/ 0
T12            0/ 0        0/ 4        0/ 0        0/ 1     0/ 1
POZ   0  0  1  1  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
POS   0  0  0  0  0  0  0  0  0  0  1  1  2  1  1  0  0  0  0  0  0
TYP   R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R  R
SNW                     0                       0                 0
CIG   8  8  8  8  8  8  8  8  8  8  8  8  8  8  8  7  7  8  8  6  5
VIS   7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  5
OBV   N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N BR

				

GFSX-MOS Comparison

					
KORF   GFSX MOS GUIDANCE  10/20/2017  1200 UTC
FHR  24  36| 48  60| 72  84| 96 108|120 132|144 156|168 180|192
     SAT 21| SUN 22| MON 23| TUE 24| WED 25| THU 26| FRI 27|SAT CLIMO
N/X  57  74| 59  77| 63  78| 65  74| 58  66| 48  64| 50  72| 57 50 66
+/-   0   1   0   0   0   0   2   3   1   1   1   0   2   0        
TMP  60  65| 63  69| 66  71| 69  66| 59  58| 50  58| 53  63| 60
+/-   1   0   0   1   1   0   1   3   1   1   1   1   2   0        
DPT  54  55| 59  60| 62  63| 66  62| 49  44| 39  41| 44  48| 54
+/-   0   0   1   0   1   1   0   2   1   1   0   2   5   4        
CLD  CL  CL| CL  PC| OV  OV| OV  OV| CL  CL| CL  CL| CL  CL| CL
WND   2   6|  2   7|  4   9| 13  22| 14  11|  7   9|  7  11|  8
+/-   0   1   1   0   1   1   1   5   1   2   2   1   1   6        
P12   2   1|  2   3| 14  11| 38  79| 32  30| 19   8| 10  11| 16 18 16
+/-   0   1   0   0   8   4   3  10   4   6   7   3   2  10        
P24       2|      3|     20|     81|     44|     25|     13|       26
Q12   0   0|  0   0|  0   0|  0   4|  0   0|  0   0|       |
+/-   0   0   0   0   0   0   1   0   1   4   0                    
Q24       0|      0|      0|      4|      1|      0|       |
T12   0   0|  0   0|  1   1|  4  19|  2   1|  1   2|  1   1|  1
+/-   0   0   0   1   1   0   2   2   1   0   1   0   0   1        
T24        |  0    |  1    |  4    | 20    |  1    |  3    |  2
PZP   0   0|  0   0|  0   0|  1   1|  1   0|  0   0|  0   1|  2
+/-   0   0   0   0   0   1   1   1   0   0   0   0   0   1        
PSN   0   0|  0   0|  0   0|  0   0|  0   0|  5   2|  0   0|  0
+/-   1   0   0   0   1   0   0   0   0   1   5   1   0   0        
PRS   0   0|  0   0|  1   0|  0   1|  1   1|  2   2|  1   1|  1
+/-   0   0   0   0   0   0   0   0   1   1   1   3   0   1        
TYP   R   R|  R   R|  R   R|  R   R|  R   R|  R   R|  R   R|  R
SNW       0|      0|      0|      0|      0|      0|       |