GRADIENT STACKING FORECASTS
WEATHER NORTHWEST
WEATHER OPERATIONS CENTER
900 AM PDT WED JUN 18 2025


Data from 12Z Wed 18 Jun NAM Model

Time Day Date      ONP      SLE      RDM   ONP-SLE  SLE-RDM  ONP-RDM
    (GMT)       Pressure Pressure Pressure Gradient Gradient Gradient Remarks
==============  ======== ======== ======== ======== ======== ======== =======
12Z Wed 18 Jun   1018.4   1018.5   1016.4    -0.1     +2.1     +2.0
13Z Wed 18 Jun   1017.7   1017.6   1015.8    +0.1     +1.8     +1.9   GSE
14Z Wed 18 Jun   1018.2   1018.1   1015.7    +0.1     +2.4     +2.5   GSE
15Z Wed 18 Jun   1017.9   1017.8   1014.6    +0.1     +3.2     +3.3   GSE
16Z Wed 18 Jun   1018.6   1018.3   1014.5    +0.3     +3.8     +4.1   GSE
17Z Wed 18 Jun   1019.1   1018.3   1013.9    +0.8     +4.4     +5.2   GSE
18Z Wed 18 Jun   1019.8   1018.5   1013.3    +1.3     +5.2     +6.5   GSE
19Z Wed 18 Jun   1020.3   1018.6   1013.3    +1.7     +5.3     +7.0   GSE
20Z Wed 18 Jun   1020.4   1018.7   1013.2    +1.7     +5.5     +7.2   GSE
21Z Wed 18 Jun   1020.4   1019.1   1013.3    +1.3     +5.8     +7.1   GSE
22Z Wed 18 Jun   1020.4   1019.0   1013.1    +1.4     +5.9     +7.3   GSE
23Z Wed 18 Jun   1019.9   1018.3   1012.7    +1.6     +5.6     +7.2   GSE
00Z Thu 19 Jun   1020.0   1018.3   1013.0    +1.7     +5.3     +7.0   GSE
01Z Thu 19 Jun   1020.0   1018.3   1013.2    +1.7     +5.1     +6.8   GSE
02Z Thu 19 Jun   1019.9   1018.4   1013.4    +1.5     +5.0     +6.5   GSE
03Z Thu 19 Jun   1019.8   1018.4   1013.7    +1.4     +4.7     +6.1   GSE
04Z Thu 19 Jun   1019.7   1018.4   1014.3    +1.3     +4.1     +5.4   GSE
05Z Thu 19 Jun   1019.8   1018.7   1015.1    +1.1     +3.6     +4.7   GSE
06Z Thu 19 Jun   1019.7   1018.6   1015.6    +1.1     +3.0     +4.1   GSE

07Z Thu 19 Jun   1019.4   1018.5   1016.1    +0.9     +2.4     +3.3   GSE
08Z Thu 19 Jun   1018.8   1018.1   1016.2    +0.7     +1.9     +2.6   GSE
09Z Thu 19 Jun   1018.7   1018.1   1016.3    +0.6     +1.8     +2.4   GSE
10Z Thu 19 Jun   1018.9   1018.4   1016.3    +0.5     +2.1     +2.6   GSE
11Z Thu 19 Jun   1018.7   1018.2   1016.2    +0.5     +2.0     +2.5   GSE
12Z Thu 19 Jun   1018.5   1018.2   1015.7    +0.3     +2.5     +2.8   GSE
13Z Thu 19 Jun   1018.1   1018.0   1015.4    +0.1     +2.6     +2.7   GSE
14Z Thu 19 Jun   1018.5   1018.2   1015.1    +0.3     +3.1     +3.4   GSE
15Z Thu 19 Jun   1018.2   1018.0   1014.6    +0.2     +3.4     +3.6   GSE
16Z Thu 19 Jun   1017.6   1017.4   1013.9    +0.2     +3.5     +3.7   GSE
17Z Thu 19 Jun   1017.3   1016.9   1012.7    +0.4     +4.2     +4.6   GSE
18Z Thu 19 Jun   1016.9   1016.3   1011.5    +0.6     +4.8     +5.4   GSE
19Z Thu 19 Jun   1016.8   1015.8   1010.4    +1.0     +5.4     +6.4   GSE
20Z Thu 19 Jun   1016.7   1015.4   1009.6    +1.3     +5.8     +7.1   GSE
21Z Thu 19 Jun   1016.8   1015.2   1010.2    +1.6     +5.0     +6.6   GSE
22Z Thu 19 Jun   1017.0   1014.9   1010.4    +2.1     +4.5     +6.6   GSE
23Z Thu 19 Jun   1016.7   1014.3   1010.1    +2.4     +4.2     +6.6   GSE
00Z Fri 20 Jun   1016.9   1014.2   1010.3    +2.7     +3.9     +6.6   GSE
01Z Fri 20 Jun   1016.7   1014.3   1010.7    +2.4     +3.6     +6.0   GSE
02Z Fri 20 Jun   1016.6   1014.6   1010.5    +2.0     +4.1     +6.1   GSE
03Z Fri 20 Jun   1016.3   1014.6   1009.8    +1.7     +4.8     +6.5   GSE
04Z Fri 20 Jun   1016.2   1014.5   1009.8    +1.7     +4.7     +6.4   GSE
05Z Fri 20 Jun   1016.4   1015.0   1010.9    +1.4     +4.1     +5.5   GSE
06Z Fri 20 Jun   1016.2   1015.1   1011.7    +1.1     +3.4     +4.5   GSE

Time Day Date ONP SLE RDM ONP-SLE SLE-RDM ONP-RDM (GMT) Pressure Pressure Pressure Gradient Gradient Gradient Remarks ============== ======== ======== ======== ======== ======== ======== ======= 07Z Fri 20 Jun 1016.1 1015.1 1012.0 +1.0 +3.1 +4.1 GSE 08Z Fri 20 Jun 1015.6 1014.8 1011.5 +0.8 +3.3 +4.1 GSE 09Z Fri 20 Jun 1015.4 1014.8 1011.7 +0.6 +3.1 +3.7 GSE 10Z Fri 20 Jun 1015.4 1014.9 1011.8 +0.5 +3.1 +3.6 GSE 11Z Fri 20 Jun 1015.0 1014.7 1011.9 +0.3 +2.8 +3.1 GSE 12Z Fri 20 Jun 1014.9 1014.6 1012.1 +0.3 +2.5 +2.8 GSE 13Z Fri 20 Jun 1014.7 1014.5 1012.4 +0.2 +2.1 +2.3 GSE 14Z Fri 20 Jun 1014.8 1014.7 1011.8 +0.1 +2.9 +3.0 GSE 15Z Fri 20 Jun 1014.5 1014.3 1011.3 +0.2 +3.0 +3.2 GSE 16Z Fri 20 Jun 1014.2 1014.0 1010.3 +0.2 +3.7 +3.9 GSE 17Z Fri 20 Jun 1014.3 1014.2 1010.0 +0.1 +4.2 +4.3 GSE 18Z Fri 20 Jun 1014.4 1014.1 1009.4 +0.3 +4.7 +5.0 GSE 19Z Fri 20 Jun 1014.5 1014.0 1009.0 +0.5 +5.0 +5.5 GSE 20Z Fri 20 Jun 1014.4 1014.0 1009.0 +0.4 +5.0 +5.4 GSE 21Z Fri 20 Jun 1014.8 1014.2 1009.8 +0.6 +4.4 +5.0 GSE 22Z Fri 20 Jun 1015.1 1014.4 1010.6 +0.7 +3.8 +4.5 GSE 23Z Fri 20 Jun 1015.1 1014.2 1011.3 +0.9 +2.9 +3.8 GSE 00Z Sat 21 Jun 1015.5 1014.7 1011.1 +0.8 +3.6 +4.4 GSE 01Z Sat 21 Jun 1015.7 1015.0 1011.4 +0.7 +3.6 +4.3 GSE 02Z Sat 21 Jun 1015.9 1015.3 1011.7 +0.6 +3.6 +4.2 GSE 03Z Sat 21 Jun 1016.2 1015.5 1012.0 +0.7 +3.5 +4.2 GSE 04Z Sat 21 Jun 1016.4 1015.7 1012.9 +0.7 +2.8 +3.5 GSE 05Z Sat 21 Jun 1017.2 1016.5 1014.0 +0.7 +2.5 +3.2 GSE 06Z Sat 21 Jun 1017.5 1017.0 1014.4 +0.5 +2.6 +3.1 GSE 07Z Sat 21 Jun 1018.0 1017.4 1014.6 +0.6 +2.8 +3.4 GSE 08Z Sat 21 Jun 1018.1 1017.3 1014.4 +0.8 +2.9 +3.7 GSE 09Z Sat 21 Jun 1018.5 1017.6 1014.7 +0.9 +2.9 +3.8 GSE 10Z Sat 21 Jun 1018.9 1017.9 1015.5 +1.0 +2.4 +3.4 GSE 11Z Sat 21 Jun 1019.1 1018.1 1016.4 +1.0 +1.7 +2.7 GSE 12Z Sat 21 Jun 1019.4 1018.6 1016.9 +0.8 +1.7 +2.5 GSE 13Z Sat 21 Jun 1019.3 1018.9 1017.4 +0.4 +1.5 +1.9 GSE 14Z Sat 21 Jun 1019.5 1019.0 1016.9 +0.5 +2.1 +2.6 GSE 15Z Sat 21 Jun 1019.4 1018.6 1015.9 +0.8 +2.7 +3.5 GSE 16Z Sat 21 Jun 1019.6 1018.3 1015.5 +1.3 +2.8 +4.1 GSE 17Z Sat 21 Jun 1020.0 1018.9 1015.4 +1.1 +3.5 +4.6 GSE 18Z Sat 21 Jun 1020.3 1019.1 1015.4 +1.2 +3.7 +4.9 GSE 19Z Sat 21 Jun 1020.5 1019.1 1016.5 +1.4 +2.6 +4.0 GSE 20Z Sat 21 Jun 1020.5 1019.3 1016.4 +1.2 +2.9 +4.1 GSE 21Z Sat 21 Jun 1020.8 1019.8 1016.6 +1.0 +3.2 +4.2 GSE 22Z Sat 21 Jun 1021.1 1019.9 1017.2 +1.2 +2.7 +3.9 GSE 23Z Sat 21 Jun 1020.9 1019.7 1017.9 +1.2 +1.8 +3.0 GSE 00Z Sun 22 Jun 1021.2 1020.0 1018.5 +1.2 +1.5 +2.7 GSE