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 GSETime 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