GRADIENT STACKING FORECASTS
WEATHER NORTHWEST
WEATHER OPERATIONS CENTER
400 AM PST SUN JAN 21 2018


Data from 06Z Sun 21 Jan NAM Model

Time Day Date      ONP      SLE      RDM   ONP-SLE  SLE-RDM  ONP-RDM
    (GMT)       Pressure Pressure Pressure Gradient Gradient Gradient Remarks
==============  ======== ======== ======== ======== ======== ======== =======
06Z Sun 21 Jan   1017.6   1018.7   1022.5    -1.1     -3.8     -4.9
07Z Sun 21 Jan   1017.2   1018.4   1022.9    -1.2     -4.5     -5.7

08Z Sun 21 Jan   1015.9   1017.1   1022.0    -1.2     -4.9     -6.1
09Z Sun 21 Jan   1015.8   1017.2   1022.4    -1.4     -5.2     -6.6
10Z Sun 21 Jan   1016.1   1017.4   1022.4    -1.3     -5.0     -6.3
11Z Sun 21 Jan   1015.0   1016.4   1021.2    -1.4     -4.8     -6.2
12Z Sun 21 Jan   1013.2   1015.4   1020.2    -2.2     -4.8     -7.0
13Z Sun 21 Jan   1011.7   1013.4   1019.4    -1.7     -6.0     -7.7
14Z Sun 21 Jan   1011.0   1012.3   1018.0    -1.3     -5.7     -7.0
15Z Sun 21 Jan   1010.2   1012.2   1016.7    -2.0     -4.5     -6.5
16Z Sun 21 Jan   1010.2   1011.9   1016.2    -1.7     -4.3     -6.0
17Z Sun 21 Jan   1010.6   1012.5   1015.9    -1.9     -3.4     -5.3
18Z Sun 21 Jan   1011.3   1012.5   1015.6    -1.2     -3.1     -4.3
19Z Sun 21 Jan   1011.8   1012.4   1015.3    -0.6     -2.9     -3.5
20Z Sun 21 Jan   1012.1   1012.6   1014.4    -0.5     -1.8     -2.3
21Z Sun 21 Jan   1013.4   1013.2   1013.0    +0.2     +0.2     +0.4   GSE
22Z Sun 21 Jan   1014.3   1013.7   1012.1    +0.6     +1.6     +2.2   GSE
23Z Sun 21 Jan   1015.0   1014.7   1011.7    +0.3     +3.0     +3.3   GSE
00Z Mon 22 Jan   1016.1   1016.0   1012.6    +0.1     +3.4     +3.5   GSE
01Z Mon 22 Jan   1016.9   1017.0   1013.7    -0.1     +3.3     +3.2
02Z Mon 22 Jan   1017.6   1017.9   1015.3    -0.3     +2.6     +2.3
03Z Mon 22 Jan   1018.3   1018.6   1016.5    -0.3     +2.1     +1.8
04Z Mon 22 Jan   1019.1   1019.2   1017.5    -0.1     +1.7     +1.6
05Z Mon 22 Jan   1019.9   1019.9   1018.5    +0.0     +1.4     +1.4
06Z Mon 22 Jan   1020.1   1020.1   1019.1    +0.0     +1.0     +1.0
07Z Mon 22 Jan   1020.6   1020.7   1019.8    -0.1     +0.9     +0.8

Time Day Date ONP SLE RDM ONP-SLE SLE-RDM ONP-RDM (GMT) Pressure Pressure Pressure Gradient Gradient Gradient Remarks ============== ======== ======== ======== ======== ======== ======== ======= 08Z Mon 22 Jan 1021.2 1021.4 1020.5 -0.2 +0.9 +0.7 09Z Mon 22 Jan 1021.8 1022.0 1021.4 -0.2 +0.6 +0.4 10Z Mon 22 Jan 1022.5 1022.7 1022.4 -0.2 +0.3 +0.1 11Z Mon 22 Jan 1022.7 1022.9 1023.7 -0.2 -0.8 -1.0 12Z Mon 22 Jan 1023.1 1023.3 1025.2 -0.2 -1.9 -2.1 13Z Mon 22 Jan 1023.6 1023.9 1026.4 -0.3 -2.5 -2.8 14Z Mon 22 Jan 1023.9 1024.4 1027.3 -0.5 -2.9 -3.4 15Z Mon 22 Jan 1024.3 1024.7 1028.0 -0.4 -3.3 -3.7 16Z Mon 22 Jan 1024.5 1025.0 1028.1 -0.5 -3.1 -3.6 17Z Mon 22 Jan 1025.5 1026.0 1028.0 -0.5 -2.0 -2.5 18Z Mon 22 Jan 1026.4 1026.5 1026.4 -0.1 +0.1 +0.0 19Z Mon 22 Jan 1026.8 1026.8 1025.6 +0.0 +1.2 +1.2 20Z Mon 22 Jan 1026.7 1026.9 1025.1 -0.2 +1.8 +1.6 21Z Mon 22 Jan 1026.7 1027.1 1024.9 -0.4 +2.2 +1.8 22Z Mon 22 Jan 1026.8 1027.1 1024.8 -0.3 +2.3 +2.0 23Z Mon 22 Jan 1026.6 1026.7 1024.5 -0.1 +2.2 +2.1 00Z Tue 23 Jan 1026.8 1027.0 1024.8 -0.2 +2.2 +2.0 01Z Tue 23 Jan 1026.4 1026.9 1025.0 -0.5 +1.9 +1.4 02Z Tue 23 Jan 1026.4 1027.0 1025.7 -0.6 +1.3 +0.7 03Z Tue 23 Jan 1026.1 1026.9 1026.1 -0.8 +0.8 +0.0 04Z Tue 23 Jan 1025.3 1026.0 1026.2 -0.7 -0.2 -0.9 05Z Tue 23 Jan 1024.8 1025.6 1026.6 -0.8 -1.0 -1.8 06Z Tue 23 Jan 1023.6 1025.0 1026.7 -1.4 -1.7 -3.1 07Z Tue 23 Jan 1022.6 1023.7 1026.1 -1.1 -2.4 -3.5 08Z Tue 23 Jan 1022.1 1022.9 1025.4 -0.8 -2.5 -3.3 09Z Tue 23 Jan 1021.5 1022.3 1025.2 -0.8 -2.9 -3.7 10Z Tue 23 Jan 1020.9 1021.9 1024.4 -1.0 -2.5 -3.5 11Z Tue 23 Jan 1020.3 1020.8 1023.2 -0.5 -2.4 -2.9 12Z Tue 23 Jan 1019.6 1020.4 1021.9 -0.8 -1.5 -2.3 13Z Tue 23 Jan 1018.7 1020.6 1022.1 -1.9 -1.5 -3.4 14Z Tue 23 Jan 1018.1 1020.0 1022.7 -1.9 -2.7 -4.6 15Z Tue 23 Jan 1017.7 1019.1 1022.3 -1.4 -3.2 -4.6 16Z Tue 23 Jan 1016.5 1018.2 1021.2 -1.7 -3.0 -4.7 17Z Tue 23 Jan 1016.8 1018.0 1021.1 -1.2 -3.1 -4.3 18Z Tue 23 Jan 1016.4 1017.5 1020.4 -1.1 -2.9 -4.0 19Z Tue 23 Jan 1015.5 1016.9 1019.6 -1.4 -2.7 -4.1 20Z Tue 23 Jan 1014.9 1016.1 1017.3 -1.2 -1.2 -2.4 21Z Tue 23 Jan 1014.3 1015.4 1015.9 -1.1 -0.5 -1.6 22Z Tue 23 Jan 1014.3 1015.0 1015.3 -0.7 -0.3 -1.0 23Z Tue 23 Jan 1013.4 1014.6 1014.0 -1.2 +0.6 -0.6 00Z Wed 24 Jan 1012.6 1013.8 1013.7 -1.2 +0.1 -1.1 01Z Wed 24 Jan 1011.9 1013.3 1014.2 -1.4 -0.9 -2.3 02Z Wed 24 Jan 1011.1 1013.1 1014.4 -2.0 -1.3 -3.3 03Z Wed 24 Jan 1009.8 1012.0 1014.6 -2.2 -2.6 -4.8 04Z Wed 24 Jan 1009.6 1010.9 1014.0 -1.3 -3.1 -4.4 05Z Wed 24 Jan 1009.1 1010.6 1013.8 -1.5 -3.2 -4.7 06Z Wed 24 Jan 1009.5 1010.4 1013.5 -0.9 -3.1 -4.0 07Z Wed 24 Jan 1009.5 1010.3 1013.0 -0.8 -2.7 -3.5

Time Day Date ONP SLE RDM ONP-SLE SLE-RDM ONP-RDM (GMT) Pressure Pressure Pressure Gradient Gradient Gradient Remarks ============== ======== ======== ======== ======== ======== ======== ======= 08Z Wed 24 Jan 1009.6 1010.2 1012.9 -0.6 -2.7 -3.3 09Z Wed 24 Jan 1008.0 1009.9 1012.7 -1.9 -2.8 -4.7 10Z Wed 24 Jan 1008.4 1009.5 1012.5 -1.1 -3.0 -4.1 11Z Wed 24 Jan 1007.1 1008.9 1012.1 -1.8 -3.2 -5.0 12Z Wed 24 Jan 1006.6 1008.1 1011.3 -1.5 -3.2 -4.7 13Z Wed 24 Jan 1005.4 1007.6 1010.7 -2.2 -3.1 -5.3 14Z Wed 24 Jan 1004.5 1007.3 1010.5 -2.8 -3.2 -6.0 15Z Wed 24 Jan 1004.3 1006.4 1009.9 -2.1 -3.5 -5.6 16Z Wed 24 Jan 1002.9 1005.3 1009.0 -2.4 -3.7 -6.1 17Z Wed 24 Jan 1002.7 1004.7 1008.4 -2.0 -3.7 -5.7 18Z Wed 24 Jan 1002.1 1003.6 1007.2 -1.5 -3.6 -5.1