National Weather Service United States Department of Commerce
NZUS56 KLOX 152348
GRDGFS

Model Forecast Pressure Gradients and 24 Hour Trends
Model/Run: GFS215 2026-05-15 18:00:00Z

LAX-DAG
05/16/00Z     9.6                05/16/12Z     5.5                05/16/18Z     7.8
05/17/00Z     8.5 /   -1.2       05/17/12Z     4.3 /   -1.3       05/17/18Z     7.2 /   -0.5
05/18/00Z     9.4 /   +1.0       05/18/12Z     0.4 /   -3.9       05/18/18Z     1.9 /   -5.3
05/19/00Z     3.9 /   -5.5       05/19/12Z     1.2 /   +0.8       05/19/18Z     2.0 /   +0.2
05/20/00Z     5.0 /   +1.1       05/20/12Z     1.0 /   -0.2       05/20/18Z     2.7 /   +0.6
05/21/00Z     5.2 /   +0.2       05/21/12Z     1.8 /   +0.8       05/21/18Z     4.5 /   +1.8
05/22/00Z     7.2 /   +2.0       05/22/12Z     3.2 /   +1.4       05/22/18Z     6.3 /   +1.8
05/23/00Z     8.6 /   +1.4       05/23/12Z     3.9 /   +0.7       05/23/18Z     5.2 /   -1.0

LAX-BFL
05/16/00Z     4.4                05/16/12Z     0.1                05/16/18Z     0.6
05/17/00Z     1.6 /   -2.7       05/17/12Z    -0.7 /   -0.8       05/17/18Z    -0.4 /   -1.1
05/18/00Z     2.3 /   +0.6       05/18/12Z     0.6 /   +1.3       05/18/18Z     0.8 /   +1.2
05/19/00Z     2.2 /   -0.1       05/19/12Z     0.6 /   -0.1       05/19/18Z     1.0 /   +0.2
05/20/00Z     3.5 /   +1.3       05/20/12Z    -0.5 /   -1.1       05/20/18Z     0.9 /   -0.1
05/21/00Z     3.4 /   -0.1       05/21/12Z     0.3 /   +0.8       05/21/18Z     2.3 /   +1.4
05/22/00Z     5.5 /   +2.2       05/22/12Z     2.1 /   +1.8       05/22/18Z     4.3 /   +2.0
05/23/00Z     7.0 /   +1.5       05/23/12Z     2.9 /   +0.9       05/23/18Z     4.1 /   -0.2

SBA-SMX
05/16/00Z    -0.1                05/16/06Z    -1.2                05/16/12Z    -1.5
05/17/00Z    -2.7 /   -2.6       05/17/06Z    -3.3 /   -2.2       05/17/12Z    -2.0 /   -0.5
05/18/00Z    -2.2 /   +0.5       05/18/06Z    -1.1 /   +2.2       05/18/12Z    -0.1 /   +1.9
05/19/00Z    -0.4 /   +1.8       05/19/06Z    -1.0 /   +0.1
05/20/00Z    -0.3 /   +0.1       05/20/06Z    -1.0 /   -0.0       05/20/12Z    -0.2 /   -0.3
05/21/00Z    -0.4 /   -0.2       05/21/06Z    -1.4 /   -0.4       05/21/12Z    -0.7 /   -0.5
05/22/00Z    -0.2 /   +0.2       05/22/06Z    -0.0 /   +1.4       05/22/12Z    -0.0 /   +0.7
05/23/00Z     0.5 /   +0.8       05/23/06Z    -0.1 /   -0.0       05/23/12Z    -0.1 /   -0.0
05/23/18Z     1.1 /   -0.1

SBA-BFL
05/16/00Z     5.0                05/16/12Z     0.4                05/16/18Z     1.0
05/17/00Z     1.5 /   -3.5       05/17/12Z    -0.4 /   -0.8       05/17/18Z     0.2 /   -0.8
05/18/00Z     1.6 /   +0.1       05/18/12Z     0.7 /   +1.1       05/18/18Z     1.5 /   +1.3
05/19/00Z     2.6 /   +1.0       05/19/12Z     0.4 /   -0.3       05/19/18Z     1.7 /   +0.2
05/20/00Z     4.1 /   +1.5       05/20/12Z    -0.5 /   -0.9       05/20/18Z     1.2 /   -0.5
05/21/00Z     4.3 /   +0.2       05/21/12Z     0.2 /   +0.8       05/21/18Z     2.4 /   +1.3
05/22/00Z     5.8 /   +1.5       05/22/12Z     2.1 /   +1.9       05/22/18Z     4.2 /   +1.8
05/23/00Z     7.1 /   +1.2       05/23/12Z     2.7 /   +0.6       05/23/18Z     4.1 /   -0.1

SBA-SAN
05/16/00Z    -0.1                05/16/12Z    -0.3                05/16/18Z    -0.4
05/17/00Z    -1.4 /   -1.4       05/17/12Z     0.1 /   +0.4       05/17/18Z    -0.2 /   +0.2
05/18/00Z    -2.4 /   -1.0       05/18/12Z     0.0 /   -0.1       05/18/18Z     0.8 /   +1.0
05/19/00Z    -0.2 /   +2.2       05/19/12Z    -0.0 /   -0.1       05/19/18Z     0.5 /   -0.3
05/20/00Z    -0.2 /   -0.1       05/20/12Z     0.1 /   +0.1       05/20/18Z     0.2 /   -0.3
05/21/00Z    -0.3 /   -0.1       05/21/12Z    -0.6 /   -0.7       05/21/18Z    -0.3 /   -0.6
05/22/00Z    -0.7 /   -0.4       05/22/12Z    -0.3 /   +0.4       05/22/18Z    -0.7 /   -0.4
05/23/00Z    -0.6 /   +0.1       05/23/12Z    -0.5 /   -0.2       05/23/18Z    -0.3 /   +0.5

LAX-SFO
05/16/00Z    -2.4                05/16/12Z    -3.8                05/16/18Z    -4.1
05/17/00Z    -5.0 /   -2.6       05/17/12Z    -4.3 /   -0.4       05/17/18Z    -3.9 /   +0.2
05/18/00Z    -3.8 /   +1.2       05/18/12Z    -3.1 /   +1.1       05/18/18Z    -1.9 /   +2.0
05/19/00Z    -2.0 /   +1.8       05/19/12Z    -0.3 /   +2.8       05/19/18Z    -0.8 /   +1.1
05/20/00Z    -1.6 /   +0.4       05/20/12Z    -0.7 /   -0.4       05/20/18Z    -0.8 /   -0.0
05/21/00Z    -1.2 /   +0.4       05/21/12Z    -0.6 /   +0.1       05/21/18Z     0.2 /   +1.0
05/22/00Z    -0.1 /   +1.1       05/22/12Z     0.6 /   +1.2       05/22/18Z     1.6 /   +1.4
05/23/00Z     1.0 /   +1.1       05/23/12Z     1.2 /   +0.6       05/23/18Z     1.1 /   -0.5

LAX-TPH
05/16/00Z    11.1                05/16/12Z     7.1                05/16/18Z     8.6
05/17/00Z     9.1 /   -2.1       05/17/12Z     4.0 /   -3.2       05/17/18Z     9.2 /   +0.7
05/18/00Z     2.7 /   -6.4       05/18/12Z    -3.3 /   -7.3       05/18/18Z     0.4 /   -8.8
05/19/00Z     3.2 /   +0.5       05/19/12Z    -1.8 /   +1.5       05/19/18Z     1.1 /   +0.6
05/20/00Z     4.9 /   +1.7       05/20/12Z    -0.6 /   +1.2       05/20/18Z     2.2 /   +1.1
05/21/00Z     5.5 /   +0.6       05/21/12Z     1.0 /   +1.6       05/21/18Z     4.8 /   +2.6
05/22/00Z     8.8 /   +3.2       05/22/12Z     4.5 /   +3.5       05/22/18Z     8.9 /   +4.2
05/23/00Z    11.5 /   +2.7       05/23/12Z     5.9 /   +1.4       05/23/18Z     9.0 /   +0.1

SBA-LAX
05/16/00Z     0.6                05/16/12Z     0.3                05/16/18Z     0.3
05/17/00Z    -0.1 /   -0.8       05/17/12Z     0.3 /   +0.1       05/17/18Z     0.6 /   +0.3
05/18/00Z    -0.7 /   -0.5       05/18/12Z     0.1 /   -0.3       05/18/18Z     0.7 /   +0.0
05/19/00Z     0.5 /   +1.1       05/19/12Z    -0.2 /   -0.2       05/19/18Z     0.6 /   -0.0
05/20/00Z     0.7 /   +0.2       05/20/12Z    -0.0 /   +0.1       05/20/18Z     0.3 /   -0.4
05/21/00Z     1.0 /   +0.3       05/21/12Z    -0.1 /   -0.1       05/21/18Z     0.2 /   -0.1
05/22/00Z     0.3 /   -0.7       05/22/12Z     0.0 /   +0.2       05/22/18Z    -0.1 /   -0.2
05/23/00Z     0.1 /   -0.2       05/23/12Z    -0.2 /   -0.3       05/23/18Z     0.1 /   +0.1