Severe thunderstorms and heavy rainfall are likely across parts of the Northeast, portions of the northern and central Plains, and the Ohio Valley. Portions of northeast Missouri and central Illinois could experience locally significant flash flooding. Dangerously hot conditions are expected in the Central Plains, Lower and Middle Mississippi Valley, and Southeast. Read More >
Observation Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Sun Jul 20 21:10:02 GMT 2025
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
1922 0.3 0.9 -0.7 m -1.5 -2.9 m -2.2 m 4.4 -3.8 -5.5 -4.5
1923 0.3 m -1.1 m -2.1 -3.4 2.7 -2.3 m 4.0 m -5.9 -4.5
2000 0.2 1.0 -1.0 m -1.8 -3.9 m -2.9 m 4.1 -4.9 -6.1 -5.0
2001 m m m m -1.5 m m -3.0 m 3.9 -5.0 -6.3 -5.2
2002 0.0 1.0 -0.9 m -1.6 -4.3 2.8 -3.4 m 4.0 -5.3 -6.4 -5.4
2003 0.1 0.9 -0.8 m -1.2 -4.5 m -3.7 m 3.7 -5.4 -6.8 -5.6
2004 0.1 0.7 -1.0 m -1.3 -4.6 3.0 -3.6 m 3.7 -5.3 -6.7 -5.6
2005 0.1 m -0.5 m -1.0 -4.5 m -4.0 m 3.6 m -6.7 -5.5
2006 0.2 0.9 -0.2 m -0.6 -4.0 2.7 -3.8 m m -4.9 -6.8 -5.5
2007 -0.2 0.4 -0.6 m -0.8 -4.1 m -3.5 m 3.2 -4.5 -6.6 -4.7
2008 -0.1 0.5 -0.2 m -0.5 -3.5 m -3.3 m 3.0 -4.0 -6.1 -4.9
2009 -0.1 0.5 -0.3 m -0.7 -3.1 2.9 -2.8 m 3.0 -3.6 -5.7 -4.3
2010 0.2 0.5 0.0 m -0.5 -2.8 m -2.8 m 2.8 -3.3 -5.5 -4.3
2011 0.0 m m m m -2.4 m m m 3.2 m -5.2 m
2012 0.1 0.6 0.0 m m -1.6 m -1.6 m 3.5 -2.2 -4.4 -3.8
2013 0.1 0.6 0.1 m -0.2 -1.6 2.8 -1.7 m 4.4 -2.2 -4.6 -4.0
2014 0.1 0.6 m m m -1.3 m m m 4.8 -1.9 -4.0 m
2015 0.4 m 0.0 m -0.3 -1.0 3.0 -1.0 m 4.8 m -4.0 -3.7
2016 0.4 0.9 0.3 m 0.1 -1.0 3.0 -1.3 m m -1.9 -4.1 -4.1
2017 0.7 1.2 m m m -0.8 m m m m -2.0 -4.2 m
2018 1.1 1.3 0.4 m -0.1 -0.7 m -1.1 m m -2.0 -4.2 -4.3
2019 0.6 1.1 m m m -1.2 m m m 3.9 -2.3 -4.5 m
2020 1.3 1.7 0.6 m 0.1 -1.0 3.5 -1.6 m 3.1 -2.7 -4.6 -5.0
2021 1.0 1.7 m m m -1.5 m m m 2.0 -3.2 -5.2 m
North American Mesoscale Model
Model Forecast Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Sun Jul 20 15:30:01 GMT 2025
(' ', 'ETA242', 'Pressure Difference Forecast (', '20250720_1200', ' 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
2012 0.5 0.6 -0.1 -0.2 -0.0 -1.7 2.4 -1.6 3.1 2.4 -2.2 -2.4 -3.6
2015 0.8 0.3 -0.0 0.4 -0.0 -1.1 3.1 -1.1 4.3 3.6 -1.5 -1.4 -3.5
2018 1.3 1.1 -0.4 0.1 -0.5 -0.9 4.1 -0.5 5.3 3.9 -1.9 -1.5 -2.8
2021 1.6 1.6 -0.3 1.0 -0.1 -1.3 5.4 -1.0 2.9 1.4 -2.9 -2.6 -4.4
2100 2.0 1.9 -0.0 0.6 0.2 -2.0 5.1 -1.9 0.2 -0.8 -3.9 -3.7 -6.0
2103 2.1 2.7 -0.1 -0.5 -0.1 -0.7 4.5 -0.6 -1.7 -1.6 -3.4 -2.8 -7.6
2106 1.5 1.7 -0.4 -1.1 -0.6 -1.6 3.6 -1.2 -2.4 -1.8 -3.3 -3.1 -6.6
2109 0.7 0.2 -0.5 -1.7 -0.6 -2.2 2.4 -1.7 -2.7 -1.5 -2.3 -2.4 -4.4
2112 -0.0 -1.2 -0.4 -1.5 -0.5 -2.7 1.9 -2.3 -3.2 -1.8 -1.5 -1.8 -3.1
2115 -0.7 -2.3 -0.5 -1.3 -0.5 -2.7 0.9 -2.1 -3.2 -1.7 -0.4 -0.6 -2.3
2118 -1.3 -3.4 -0.5 -1.4 -0.7 -2.8 -0.3 -2.3 -3.1 -2.0 0.6 1.0 -2.4
2121 -1.8 -3.9 -0.5 -1.4 -0.5 -3.5 -0.8 -3.0 -3.0 -2.2 0.4 0.9 -2.5
2200 -2.2 -4.3 -0.9 -1.3 -0.7 -4.3 -0.8 -3.3 -2.9 -2.1 -0.0 0.5 -1.6
2203 -1.9 -3.9 -1.4 -1.5 -1.2 -4.4 -1.7 -3.0 -2.8 -1.7 -0.6 -0.4 -0.2
2206 -1.6 -3.8 -0.9 -1.0 -0.7 -4.4 -1.6 -3.5 -3.5 -1.9 -0.6 -0.7 0.2
2209 -1.2 -3.7 -0.3 -0.4 -0.1 -4.1 -2.3 -3.8 -4.6 -2.6 -0.4 -0.3 0.8
2212 -1.5 -4.1 -0.3 -0.0 -0.2 -4.0 -2.3 -3.7 -5.4 -3.3 0.1 0.0 1.4
2215 -1.6 -4.2 -0.6 -0.4 -0.9 -3.6 -2.0 -3.0 -5.2 -2.9 0.5 0.5 1.8
2218 -1.8 -4.3 -1.3 -0.6 -1.6 -4.1 -2.2 -2.8 -5.0 -2.8 0.2 0.6 2.4
2221 -2.0 -4.3 -1.5 -0.7 -1.7 -4.7 -2.3 -3.2 -5.2 -3.4 -0.4 0.7 2.8
2300 -1.8 -3.6 -1.5 -1.2 -1.7 -4.8 -3.0 -3.3 -6.0 -4.1 -1.3 0.2 3.2
2303 -2.1 -3.2 -1.1 -1.6 -1.7 -5.0 -3.0 -4.0 -6.6 -4.0 -1.8 -0.4 2.5
2306 -1.3 -2.9 -0.5 -1.9 -1.2 -4.9 -2.9 -4.4 -6.5 -3.0 -2.0 -0.9 2.1
2309 -1.3 -3.4 -0.3 -1.9 -1.2 -5.1 -3.3 -4.7 -6.4 -2.7 -1.6 -0.5 1.7
2312 -0.8 -3.8 -0.1 -1.6 -1.0 -4.0 -3.4 -3.8 -6.7 -3.0 -0.2 0.3 1.2
2315 -0.9 -4.3 -0.1 -1.4 -1.0 -3.3 -3.2 -3.3 -6.5 -3.2 1.0 1.2 0.5
2318 -1.3 -4.6 -0.5 -1.4 -1.4 -2.9 -3.0 -2.4 -6.4 -3.3 1.7 2.2 0.8
2321 -1.7 -4.3 -0.5 -1.6 -1.5 -2.5 -3.6 -1.9 -6.6 -3.6 1.8 2.0 1.0
2400 -1.4 -3.7 -0.5 -1.8 -1.7 -2.3 -3.9 -1.7 -6.7 -3.6 1.4 1.6 1.0
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