National Weather Service United States Department of Commerce
NZUS56 KLOX 121748
GRDGFS

Model Forecast Pressure Gradients and 24 Hour Trends
Model/Run: GFS215 2026-10-12 12:00:00Z

LAX-DAG
10/12/12Z     2.4                10/12/18Z     3.2                10/13/00Z     3.8
10/13/12Z     1.3 /   -1.2       10/13/18Z    -0.5 /   -3.8       10/14/00Z    -0.7 /   -4.5
10/14/12Z    -1.5 /   -2.8       10/14/18Z    -0.7 /   -0.2       10/15/00Z     0.2 /   +0.9
10/15/12Z    -2.6 /   -1.1       10/15/18Z    -2.9 /   -2.2       10/16/00Z    -2.8 /   -2.9
10/16/12Z    -5.4 /   -2.9       10/16/18Z    -4.4 /   -1.5       10/17/00Z    -3.1 /   -0.3
10/17/12Z    -3.5 /   +2.0       10/17/18Z    -2.0 /   +2.4       10/18/00Z    -0.7 /   +2.4
10/18/12Z    -0.3 /   +3.2       10/18/18Z     0.5 /   +2.5       10/19/00Z     2.2 /   +2.9
10/19/12Z     0.9 /   +1.2       10/19/18Z     2.2 /   +1.7       10/20/00Z     4.6 /   +2.4

LAX-BFL
10/12/12Z    -0.2                10/12/18Z     0.4                10/13/00Z     1.0
10/13/12Z    -1.6 /   -1.4       10/13/18Z    -1.8 /   -2.3       10/14/00Z    -0.7 /   -1.6
10/14/12Z    -2.7 /   -1.1       10/14/18Z    -2.0 /   -0.2       10/15/00Z    -0.3 /   +0.4
10/15/12Z    -3.1 /   -0.4       10/15/18Z    -2.7 /   -0.8       10/16/00Z    -1.3 /   -1.0
10/16/12Z    -4.2 /   -1.1       10/16/18Z    -2.5 /   +0.2       10/17/00Z    -1.0 /   +0.3
10/17/12Z    -3.0 /   +1.2       10/17/18Z    -1.6 /   +0.9       10/18/00Z     0.4 /   +1.4
10/18/12Z    -1.4 /   +1.6       10/18/18Z    -0.1 /   +1.5       10/19/00Z     2.0 /   +1.6
10/19/12Z    -0.9 /   +0.5       10/19/18Z    -0.5 /   -0.4       10/20/00Z     1.4 /   -0.6

SBA-SMX
10/12/12Z    -0.3                10/13/00Z    -0.3                10/13/06Z    -1.0
10/13/12Z    -1.2 /   -0.9       10/14/00Z     0.1 /   +0.4       10/14/06Z    -1.3 /   -0.3
10/14/12Z    -1.1 /   +0.1       10/15/00Z    -0.2 /   -0.3       10/15/06Z    -1.0 /   +0.3
10/15/12Z    -1.1 /   +0.0       10/16/00Z    -1.0 /   -0.8       10/16/06Z    -1.0 /   -0.0
10/16/12Z    -1.1 /   -0.0       10/17/00Z    -0.9 /   +0.1       10/17/06Z    -0.9 /   +0.1
10/17/12Z    -0.9 /   +0.2       10/18/00Z     0.7 /   +1.6       10/18/06Z    -0.4 /   +0.5
10/18/12Z    -0.5 /   +0.4       10/19/00Z    -0.9 /   -1.6       10/19/06Z    -1.6 /   -1.2
10/19/12Z    -1.6 /   -1.1       10/20/00Z    -3.1 /   -2.2       10/20/06Z    -3.1 /   -1.5
10/16/12Z    -1.1 /   -0.0       10/16/18Z    -0.3 /   -0.5       10/17/00Z    -0.9 /   +0.1
10/17/12Z    -0.9 /   +0.2       10/17/18Z     0.2 /   +0.6       10/18/00Z     0.7 /   +1.6
10/18/12Z    -0.5 /   +0.4       10/18/18Z     0.1 /   -0.1       10/19/00Z    -0.9 /   -1.6
10/19/12Z    -1.6 /   -1.1       10/19/18Z    -1.3 /   -1.4       10/20/00Z    -3.1 /   -2.2
10/20/12Z    -2.6 /   -1.0

SBA-BFL
10/12/12Z    -0.2                10/13/00Z     1.3                10/13/06Z     0.0
10/13/12Z    -1.5 /   -1.3       10/14/00Z     0.0 /   -1.3       10/14/06Z    -1.6 /   -1.6
10/14/12Z    -2.2 /   -0.7       10/15/00Z     0.3 /   +0.3       10/15/06Z    -1.5 /   +0.1
10/15/12Z    -2.7 /   -0.5       10/16/00Z    -0.3 /   -0.6       10/16/06Z    -1.9 /   -0.3
10/16/12Z    -3.1 /   -0.3       10/17/00Z    -0.2 /   +0.1       10/17/06Z    -1.4 /   +0.5
10/17/12Z    -2.5 /   +0.5       10/18/00Z     1.7 /   +1.9       10/18/06Z     0.2 /   +1.6
10/18/12Z    -1.2 /   +1.4       10/19/00Z     2.3 /   +0.7       10/19/06Z     0.7 /   +0.5
10/19/12Z    -0.7 /   +0.5       10/20/00Z     1.1 /   -1.3       10/20/06Z    -1.0 /   -1.8
10/16/12Z    -3.1 /   -0.3       10/16/18Z    -2.3 /   -0.1       10/17/00Z    -0.2 /   +0.1
10/17/12Z    -2.5 /   +0.5       10/17/18Z    -1.5 /   +0.7       10/18/00Z     1.7 /   +1.9
10/18/12Z    -1.2 /   +1.4       10/18/18Z     0.3 /   +1.8       10/19/00Z     2.3 /   +0.7
10/19/12Z    -0.7 /   +0.5       10/19/18Z    -0.1 /   -0.4       10/20/00Z     1.1 /   -1.3
10/20/12Z    -2.6 /   -1.9

SBA-SAN
10/12/12Z    -0.4                10/13/00Z    -0.2                10/13/06Z    -0.5
10/13/12Z    -0.1 /   +0.3       10/14/00Z     0.8 /   +1.0       10/14/06Z     0.6 /   +1.0
10/14/12Z     0.8 /   +0.9       10/15/00Z     0.5 /   -0.2       10/15/06Z     0.4 /   -0.1
10/15/12Z     0.6 /   -0.2       10/16/00Z     1.9 /   +1.4       10/16/06Z     2.2 /   +1.8
10/16/12Z     2.8 /   +2.2       10/17/00Z     1.6 /   -0.3       10/17/06Z     1.9 /   -0.3
10/17/12Z     1.4 /   -1.4       10/18/00Z     1.6 /   +0.0       10/18/06Z     0.5 /   -1.4
10/18/12Z     0.4 /   -1.0       10/19/00Z     0.1 /   -1.5       10/19/06Z    -0.4 /   -0.8
10/19/12Z     0.1 /   -0.3       10/20/00Z    -1.0 /   -1.1       10/20/06Z    -1.1 /   -0.8
10/16/12Z     2.8 /   +2.2       10/16/18Z     1.5 /   +0.3       10/17/00Z     1.6 /   -0.3
10/17/12Z     1.4 /   -1.4       10/17/18Z     0.8 /   -0.7       10/18/00Z     1.6 /   +0.0
10/18/12Z     0.4 /   -1.0       10/18/18Z     0.2 /   -0.6       10/19/00Z     0.1 /   -1.5
10/19/12Z     0.1 /   -0.3       10/19/18Z     0.3 /   +0.0       10/20/00Z    -1.0 /   -1.1
10/20/12Z    -1.3 /   -1.4

SMX-BFL
10/12/12Z     0.1                10/12/18Z     0.9                10/13/00Z     1.6
10/13/12Z    -0.3 /   -0.4       10/13/18Z    -1.9 /   -2.7       10/14/00Z    -0.1 /   -1.7
10/14/12Z    -1.1 /   -0.8       10/14/18Z    -1.6 /   +0.3       10/15/00Z     0.5 /   +0.6
10/15/12Z    -1.7 /   -0.5       10/15/18Z    -2.3 /   -0.7       10/16/00Z     0.7 /   +0.2
10/16/12Z    -2.0 /   -0.3       10/16/18Z    -2.0 /   +0.3       10/17/00Z     0.7 /   -0.0
10/17/12Z    -1.6 /   +0.4       10/17/18Z    -1.8 /   +0.2       10/18/00Z     1.0 /   +0.3
10/18/12Z    -0.6 /   +1.0       10/18/18Z     0.2 /   +2.0       10/19/00Z     3.2 /   +2.3
10/19/12Z     0.9 /   +1.5       10/19/18Z     1.1 /   +1.0       10/20/00Z     4.2 /   +1.0

LAX-SFO
10/12/12Z    -0.1                10/12/18Z    -0.6                10/13/00Z    -1.1
10/13/12Z    -2.3 /   -2.2       10/13/18Z    -2.5 /   -1.9       10/14/00Z    -2.9 /   -1.7
10/14/12Z    -3.0 /   -0.7       10/14/18Z    -2.5 /   +0.0       10/15/00Z    -2.4 /   +0.4
10/15/12Z    -3.3 /   -0.3       10/15/18Z    -2.9 /   -0.4       10/16/00Z    -3.3 /   -0.8
10/16/12Z    -3.9 /   -0.6       10/16/18Z    -3.2 /   -0.2       10/17/00Z    -3.2 /   +0.1
10/17/12Z    -3.4 /   +0.5       10/17/18Z    -2.9 /   +0.3       10/18/00Z    -2.8 /   +0.4
10/18/12Z    -2.3 /   +1.2       10/18/18Z    -2.2 /   +0.6       10/19/00Z    -3.4 /   -0.6
10/19/12Z    -3.4 /   -1.1       10/19/18Z    -3.5 /   -1.2       10/20/00Z    -3.9 /   -0.5

LAX-TPH
10/12/12Z     4.5                10/12/18Z     4.4                10/13/00Z     4.4
10/13/12Z    -2.1 /   -6.6       10/13/18Z    -2.8 /   -7.2       10/14/00Z    -2.0 /   -6.4
10/14/12Z    -5.6 /   -3.4       10/14/18Z    -2.4 /   +0.4       10/15/00Z     0.4 /   +2.4
10/15/12Z    -8.3 /   -2.7       10/15/18Z    -7.5 /   -5.1       10/16/00Z    -6.0 /   -6.4
10/16/12Z   -12.4 /   -4.1       10/16/18Z    -8.7 /   -1.2       10/17/00Z    -6.2 /   -0.2
10/17/12Z    -7.7 /   +4.7       10/17/18Z    -3.9 /   +4.8       10/18/00Z    -0.4 /   +5.8
10/18/12Z    -1.9 /   +5.8       10/18/18Z     0.6 /   +4.4       10/19/00Z     3.4 /   +3.9
10/19/12Z     0.2 /   +2.1       10/19/18Z     4.1 /   +3.5       10/20/00Z     7.4 /   +4.0

SBA-LAX
10/12/12Z    -0.0                10/12/18Z     0.3                10/13/00Z     0.4
10/13/12Z     0.1 /   +0.1       10/13/18Z     0.3 /   -0.0       10/14/00Z     0.7 /   +0.3
10/14/12Z     0.5 /   +0.4       10/14/18Z     0.4 /   +0.1       10/15/00Z     0.6 /   -0.1
10/15/12Z     0.4 /   -0.1       10/15/18Z     0.6 /   +0.2       10/16/00Z     1.0 /   +0.4
10/16/12Z     1.2 /   +0.8       10/16/18Z     0.2 /   -0.4       10/17/00Z     0.8 /   -0.2
10/17/12Z     0.5 /   -0.7       10/17/18Z     0.0 /   -0.2       10/18/00Z     1.3 /   +0.5
10/18/12Z     0.3 /   -0.2       10/18/18Z     0.3 /   +0.3       10/19/00Z     0.4 /   -0.9
10/19/12Z     0.2 /   -0.1       10/19/18Z     0.4 /   +0.0       10/20/00Z    -0.3 /   -0.7