Powerful Pacific storms will keep conditions wet and windy for much of the West, especially, from northern California to western Washington. Heavy rains may produce flooding early to mid week. Heavy snow will make travel difficult from the Cascades to the northern Rockies. Snow showers continue near the Great Lakes, otherwise, dry conditions and gusty winds can be expected for much of the East. Read More >
Observation Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Mon Dec 17 08:10:01 GMT 2018
Time PAWR- PACV- PATK- PANC- PATK- PAGK- PANC- PAGK- PAHO- PADQ- PAGK- PAGK- PANN-
PANC PANC PANC PAHO PAEN PANC PAMC PATK PAKN PAKN PACV PAVD PATK
1609 -2.6 -4.6 0.7 1.1 -0.1 6.1 -14.0 5.4 -6.5 -9.2 10.7 6.2 11.1
1610 -2.3 -4.9 0.6 1.0 0.1 6.6 -14.2 6.0 -7.0 -9.4 11.5 6.6 11.5
1611 -2.8 -4.5 0.2 0.9 -0.4 6.4 -14.1 6.2 -7.4 -9.5 10.9 6.0 12.1
1612 -2.6 -4.5 0.5 0.6 -0.3 7.6 -14.6 7.1 -8.1 -9.8 12.1 6.6 12.1
1613 -2.2 -4.2 0.5 0.3 -0.1 7.9 -14.6 7.4 -8.3 -9.7 12.1 m 13.0
1614 -2.7 -4.2 0.2 0.4 -0.3 7.7 -14.5 7.5 -8.4 -9.4 11.9 5.7 13.6
1615 -2.4 -3.5 0.5 0.2 -0.1 8.2 -14.8 7.7 -8.6 -9.6 11.7 5.8 13.6
1616 -2.2 -2.9 0.2 0.1 -0.5 8.4 -14.8 8.2 -8.7 -9.4 11.3 6.2 13.8
1617 -1.6 -1.7 0.6 -0.4 -0.2 8.9 -14.9 8.3 -8.7 -9.6 10.6 6.1 13.6
1618 -1.3 -1.5 0.1 0.1 m 9.3 -14.1 9.2 -8.8 -9.8 10.8 6.2 13.7
1619 -1.5 -1.2 0.1 0.2 m 9.4 -13.5 9.3 -9.2 -10.0 10.6 6.0 13.5
1620 -1.3 -0.8 0.2 0.2 m 9.3 m 9.1 -9.1 -9.8 10.1 5.8 13.1
1621 m m m m 0.3 m m 8.4 -8.8 -9.6 9.8 5.4 12.0
1622 m m m m 0.3 m m 8.2 -8.9 -9.2 9.8 5.3 11.8
1623 -0.9 -0.7 1.0 -0.3 0.2 9.4 -13.2 8.4 -8.7 -9.2 10.1 5.6 11.6
1700 m m m m -0.3 m m 8.8 m m 10.4 5.9 11.6
1701 -0.9 -0.6 0.3 -0.8 -0.8 9.3 m 9.0 -8.5 -9.0 9.9 5.7 11.5
1702 -1.2 -0.5 0.0 m -1.2 9.1 -12.1 9.1 m -8.8 9.6 5.4 11.5
1703 -1.3 -0.6 -0.1 m m 9.0 -11.8 9.1 m -8.9 9.6 4.9 11.1
1704 m m m m -1.3 m m 9.1 m m 10.0 5.0 10.7
1705 -1.3 -0.5 -0.2 -1.3 -1.2 8.6 -11.4 8.8 -8.7 -8.5 9.1 m 10.1
1706 -1.4 -0.4 -0.4 -1.3 -1.3 8.2 -10.9 8.6 -8.6 -8.3 8.6 m 9.7
1707 -1.6 m -0.9 -1.2 -1.6 7.8 -10.3 8.7 -8.5 -8.1 m m 9.2
1708 -1.5 -0.5 -0.9 -1.3 m 7.5 -9.7 8.4 m m 8.0 4.8 8.7
North American Mesoscale Model
Model Forecast Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Mon Dec 17 03:30:01 GMT 2018
ETA242 Pressure Difference Forecast ( 20181217_0000 UTC)
DDHH PAWR- PACV- PATK- PANC- PATK- PAGK- PANC- PAGK- PAHO- PADQ- PAGK- PAGK- PANN-
PANC PANC PANC PAHO PAEN PANC PAMC PATK PAKN PAKN PACV PAVD PATK
1700 -2.5 -1.8 0.8 0.7 -0.0 8.0 -12.6 7.3 -10.4 -9.4 9.8 7.2 12.4
1703 -2.1 -1.0 0.6 -0.7 -0.3 8.0 -13.5 7.4 -10.3 -8.6 9.0 6.0 12.6
1706 -1.7 -0.4 -0.3 -1.1 -1.1 7.6 -12.3 7.9 -10.0 -7.8 8.0 6.0 11.7
1709 -2.0 0.1 -0.4 -1.0 -0.9 6.2 -10.4 6.6 -9.6 -7.4 6.1 6.7 8.9
1712 -2.6 -0.5 -0.8 -1.6 -0.9 3.5 -8.4 4.3 -8.5 -7.1 3.9 4.9 5.9
1715 -1.9 -0.7 -0.3 -1.4 -0.1 1.8 -7.2 2.1 -8.2 -6.9 2.5 3.2 4.3
1718 -1.1 -0.0 0.0 -1.3 -0.2 0.5 -6.9 0.5 -7.7 -6.4 0.5 1.7 4.8
1721 -1.4 0.9 0.1 -1.4 -0.3 -0.2 -6.9 -0.2 -7.5 -6.7 -1.0 0.4 5.4
1800 -0.7 0.5 -0.0 -0.9 -0.2 -1.1 -7.0 -1.1 -7.4 -6.8 -1.6 -1.1 5.7
1803 -0.6 -0.9 0.0 -0.6 -0.1 -0.1 -7.6 -0.1 -7.6 -7.0 0.8 0.4 6.0
1806 -0.9 -2.6 0.3 -0.1 0.2 0.4 -8.3 0.1 -8.3 -7.1 3.0 2.4 5.8
1809 -1.2 -3.7 0.6 -0.0 0.4 -0.6 -9.4 -1.2 -9.3 -7.8 3.0 2.9 6.2
1812 -1.1 -4.0 0.7 -0.2 0.3 -1.1 -10.9 -1.7 -10.5 -8.1 2.9 3.0 7.2
1815 -1.1 -3.9 0.5 -0.3 0.2 -0.7 -12.4 -1.1 -11.9 -8.7 3.3 3.0 8.2
1818 -1.2 -3.8 0.5 -0.7 0.3 0.6 -13.5 0.1 -13.2 -9.5 4.4 5.0 9.3
1821 -1.2 -4.1 0.1 -0.3 0.1 0.5 -14.5 0.4 -14.7 -10.0 4.6 4.8 10.3
1900 -1.3 -3.0 -0.2 -0.7 -0.4 1.1 -15.7 1.3 -15.3 -10.0 4.1 4.7 11.7
1903 -0.9 -1.4 -0.7 -1.0 -0.6 1.7 -16.0 2.4 -15.5 -9.4 3.1 4.3 12.4
1906 -1.3 -0.0 -0.5 -1.0 -0.1 1.7 -15.8 2.2 -15.5 -9.1 1.8 2.7 12.0
1909 -0.9 2.4 -0.3 -1.1 0.0 2.3 -15.2 2.6 -15.4 -8.8 -0.1 2.6 11.4
1912 -0.0 4.2 -0.4 -1.0 -0.0 2.2 -13.5 2.6 -14.7 -8.2 -2.0 -0.8 10.3
1915 0.7 3.8 0.6 -0.8 1.1 2.5 -11.5 1.8 -13.4 -7.6 -1.3 -1.6 7.6
1918 0.8 2.0 0.9 -0.4 1.2 3.1 -9.6 2.2 -12.0 -6.9 1.1 0.5 6.0
1921 0.4 -0.2 1.6 -0.3 1.5 2.8 -8.8 1.2 -11.1 -6.2 3.0 1.8 5.2
2000 -0.2 -0.7 1.0 -0.5 0.8 2.6 -8.3 1.6 -9.9 -5.1 3.3 2.9 6.2
2003 -0.1 0.5 0.1 -0.3 -0.1 1.9 -7.6 1.8 -8.5 -4.1 1.5 1.6 7.1
2006 -0.1 -1.1 -0.2 0.0 -0.2 1.4 -6.7 1.6 -7.3 -3.1 2.5 1.0 7.0
2009 -0.3 -1.5 0.6 -0.1 0.7 1.3 -6.2 0.7 -5.1 -2.1 2.8 1.8 5.9
2012 -0.9 -1.1 0.7 0.1 0.8 1.0 -5.9 0.3 -3.3 -1.2 2.1 1.2 5.5
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