NAM GORGE GRADIENT FORECASTS
WEATHER NORTHWEST
WEATHER OPERATIONS CENTER
300 PM PDT THU APR 3 2025
Data from 18Z Thu 03 Apr NAM Model
Time Day Date AST PDX YKM AST-PDX PDX-YKM AST-YKM
(GMT) Pressure Pressure Pressure Gradient Gradient Gradient
============== ======== ======== ======== ======== ======== ========
18Z Thu 03 Apr 1021.4 1022.0 1018.3 -0.6 +3.7 +3.1
19Z Thu 03 Apr 1021.6 1021.8 1018.3 -0.2 +3.5 +3.3
20Z Thu 03 Apr 1021.0 1020.9 1017.6 +0.1 +3.3 +3.4
21Z Thu 03 Apr 1020.7 1020.5 1017.7 +0.2 +2.8 +3.0
22Z Thu 03 Apr 1020.6 1020.3 1017.4 +0.3 +2.9 +3.2
23Z Thu 03 Apr 1020.9 1020.3 1017.8 +0.6 +2.5 +3.1
00Z Fri 04 Apr 1021.6 1020.3 1018.0 +1.3 +2.3 +3.6
01Z Fri 04 Apr 1022.2 1020.9 1018.7 +1.3 +2.2 +3.5
02Z Fri 04 Apr 1022.6 1021.5 1019.9 +1.1 +1.6 +2.7
03Z Fri 04 Apr 1022.6 1021.6 1020.6 +1.0 +1.0 +2.0
04Z Fri 04 Apr 1023.1 1021.8 1021.3 +1.3 +0.5 +1.8
05Z Fri 04 Apr 1024.2 1022.7 1022.4 +1.5 +0.3 +1.8
06Z Fri 04 Apr 1025.0 1023.7 1023.5 +1.3 +0.2 +1.5
07Z Fri 04 Apr 1025.3 1024.4 1024.3 +0.9 +0.1 +1.0
08Z Fri 04 Apr 1025.5 1024.8 1025.1 +0.7 -0.3 +0.4
09Z Fri 04 Apr 1025.7 1025.2 1026.2 +0.5 -1.0 -0.5
10Z Fri 04 Apr 1025.9 1025.8 1027.1 +0.1 -1.3 -1.2
11Z Fri 04 Apr 1025.7 1025.7 1027.6 +0.0 -1.9 -1.9
12Z Fri 04 Apr 1025.7 1025.8 1028.4 -0.1 -2.6 -2.7
13Z Fri 04 Apr 1025.9 1026.1 1029.0 -0.2 -2.9 -3.1
14Z Fri 04 Apr 1026.4 1026.9 1030.0 -0.5 -3.1 -3.6
15Z Fri 04 Apr 1026.5 1027.1 1029.9 -0.6 -2.8 -3.4
16Z Fri 04 Apr 1026.2 1026.9 1029.2 -0.7 -2.3 -3.0
17Z Fri 04 Apr 1026.2 1027.0 1029.2 -0.8 -2.2 -3.0
18Z Fri 04 Apr 1025.9 1026.7 1029.0 -0.8 -2.3 -3.1
19Z Fri 04 Apr 1025.7 1026.3 1028.8 -0.6 -2.5 -3.1
20Z Fri 04 Apr 1025.2 1025.6 1028.2 -0.4 -2.6 -3.0
21Z Fri 04 Apr 1024.9 1025.3 1028.0 -0.4 -2.7 -3.1
22Z Fri 04 Apr 1024.6 1024.9 1027.7 -0.3 -2.8 -3.1
23Z Fri 04 Apr 1024.1 1024.3 1027.2 -0.2 -2.9 -3.1
00Z Sat 05 Apr 1023.9 1024.2 1027.1 -0.3 -2.9 -3.2
01Z Sat 05 Apr 1023.7 1024.0 1027.1 -0.3 -3.1 -3.4
02Z Sat 05 Apr 1024.1 1024.2 1027.4 -0.1 -3.2 -3.3
03Z Sat 05 Apr 1024.1 1024.4 1027.4 -0.3 -3.0 -3.3
04Z Sat 05 Apr 1023.9 1024.6 1027.7 -0.7 -3.1 -3.8
05Z Sat 05 Apr 1024.0 1024.9 1028.3 -0.9 -3.4 -4.3
06Z Sat 05 Apr 1023.6 1024.7 1028.4 -1.1 -3.7 -4.8
Time Day Date AST PDX YKM AST-PDX PDX-YKM AST-YKM
(GMT) Pressure Pressure Pressure Gradient Gradient Gradient
============== ======== ======== ======== ======== ======== ========
07Z Sat 05 Apr 1023.5 1024.6 1028.8 -1.1 -4.2 -5.3
08Z Sat 05 Apr 1023.4 1024.5 1028.9 -1.1 -4.4 -5.5
09Z Sat 05 Apr 1023.3 1024.5 1029.2 -1.2 -4.7 -5.9
10Z Sat 05 Apr 1023.5 1024.8 1029.5 -1.3 -4.7 -6.0
11Z Sat 05 Apr 1023.1 1024.6 1029.2 -1.5 -4.6 -6.1
12Z Sat 05 Apr 1023.0 1024.3 1029.2 -1.3 -4.9 -6.2
13Z Sat 05 Apr 1023.4 1024.5 1029.2 -1.1 -4.7 -5.8
14Z Sat 05 Apr 1024.1 1025.3 1029.7 -1.2 -4.4 -5.6
15Z Sat 05 Apr 1024.1 1025.4 1029.3 -1.3 -3.9 -5.2
16Z Sat 05 Apr 1024.0 1025.4 1028.4 -1.4 -3.0 -4.4
17Z Sat 05 Apr 1024.1 1025.7 1028.3 -1.6 -2.6 -4.2
18Z Sat 05 Apr 1023.9 1025.5 1027.9 -1.6 -2.4 -4.0
19Z Sat 05 Apr 1023.8 1025.1 1027.4 -1.3 -2.3 -3.6
20Z Sat 05 Apr 1023.3 1024.3 1026.2 -1.0 -1.9 -2.9
21Z Sat 05 Apr 1023.4 1024.1 1025.7 -0.7 -1.6 -2.3
22Z Sat 05 Apr 1023.6 1024.1 1025.6 -0.5 -1.5 -2.0
23Z Sat 05 Apr 1023.2 1023.6 1024.7 -0.4 -1.1 -1.5
00Z Sun 06 Apr 1023.0 1023.2 1024.3 -0.2 -1.1 -1.3
01Z Sun 06 Apr 1022.9 1023.1 1023.9 -0.2 -0.8 -1.0
02Z Sun 06 Apr 1022.7 1023.1 1023.9 -0.4 -0.8 -1.2
03Z Sun 06 Apr 1022.5 1022.8 1023.9 -0.3 -1.1 -1.4
04Z Sun 06 Apr 1022.2 1022.7 1023.9 -0.5 -1.2 -1.7
05Z Sun 06 Apr 1021.9 1022.6 1023.9 -0.7 -1.3 -2.0
06Z Sun 06 Apr 1021.6 1022.2 1023.5 -0.6 -1.3 -1.9
07Z Sun 06 Apr 1021.2 1022.0 1023.3 -0.8 -1.3 -2.1
08Z Sun 06 Apr 1020.7 1021.6 1023.0 -0.9 -1.4 -2.3
09Z Sun 06 Apr 1020.4 1021.7 1023.2 -1.3 -1.5 -2.8
10Z Sun 06 Apr 1020.4 1021.8 1023.2 -1.4 -1.4 -2.8
11Z Sun 06 Apr 1020.1 1021.3 1022.7 -1.2 -1.4 -2.6
12Z Sun 06 Apr 1019.7 1020.6 1022.3 -0.9 -1.7 -2.6
13Z Sun 06 Apr 1019.2 1019.9 1021.9 -0.7 -2.0 -2.7
14Z Sun 06 Apr 1019.1 1019.8 1022.0 -0.7 -2.2 -2.9
15Z Sun 06 Apr 1019.2 1019.4 1021.3 -0.2 -1.9 -2.1
16Z Sun 06 Apr 1018.3 1018.9 1020.0 -0.6 -1.1 -1.7
17Z Sun 06 Apr 1018.1 1019.3 1019.6 -1.2 -0.3 -1.5
18Z Sun 06 Apr 1018.0 1019.7 1018.7 -1.7 +1.0 -0.7
19Z Sun 06 Apr 1017.4 1019.7 1018.0 -2.3 +1.7 -0.6
20Z Sun 06 Apr 1016.7 1018.9 1016.6 -2.2 +2.3 +0.1
21Z Sun 06 Apr 1016.4 1018.5 1015.7 -2.1 +2.8 +0.7
22Z Sun 06 Apr 1016.4 1018.5 1014.6 -2.1 +3.9 +1.8
23Z Sun 06 Apr 1015.2 1017.2 1013.3 -2.0 +3.9 +1.9
00Z Mon 07 Apr 1014.5 1016.4 1012.6 -1.9 +3.8 +1.9
01Z Mon 07 Apr 1014.0 1015.5 1011.8 -1.5 +3.7 +2.2
02Z Mon 07 Apr 1013.8 1015.1 1011.8 -1.3 +3.3 +2.0
03Z Mon 07 Apr 1013.5 1015.0 1012.7 -1.5 +2.3 +0.8
04Z Mon 07 Apr 1013.2 1015.0 1012.9 -1.8 +2.1 +0.3
05Z Mon 07 Apr 1013.5 1015.3 1012.6 -1.8 +2.7 +0.9
06Z Mon 07 Apr 1013.3 1015.5 1011.8 -2.2 +3.7 +1.5