National Weather Service United States Department of Commerce

Heavy Rain Continues over Portions of the Pacific Northwest

Heavy rain with local flooding will continue along the Washington and Oregon coasts for the next few days. Snow will impact the higher elevations of the Cascades to the northern Rockies. Strong winds will develop in the Sierra and Great Basin. Meanwhile, heavy rain is possible in parts of Florida while light snow will fall in the Upper Great Lakes and northern New England. Read More >

Observed Model Pressure Differences

Observation Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Thu Nov 23 01:10:01 GMT 2017

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 
2201     m     m     m     m     m     m     m     m     m     m     m     m     m 
2202  -3.5  -3.6   1.0   1.1   0.6   8.2   1.4   7.2  -4.3  -4.1  11.8   7.5  -3.1 
2203  -4.2  -4.3   0.5   1.4   0.2   7.6   0.4   7.1  -5.1  -4.8  11.9   8.1  -3.2 
2204  -3.2  -4.4   0.7   1.0  -0.2   8.1  -0.1   7.4  -5.6  -4.7  12.5   8.3  -3.0 
2205  -3.9  -5.1   0.5   0.8   0.4   7.7  -0.1   7.2  -5.6  -4.8  12.8   8.7  -2.8 
2206  -4.0  -5.2   0.7   0.8   0.3   7.8  -0.3   7.1  -6.0  -5.1  13.0   9.0  -3.3 
2207  -3.8  -5.8   0.4   0.6  -0.1   7.4   0.5   7.0  -6.3  -5.5  13.2   9.2  -1.7 
2208  -3.2  -5.7   0.9  -0.2  -0.2   6.7  -1.3   5.8  -5.9  -5.4  12.4     m  -2.9 
2209  -4.1  -7.3   0.2   0.5  -0.3   5.2  -0.6   5.0  -6.8  -5.9  12.5   8.3  -1.5 
2210  -4.5  -8.1   0.1   0.2  -0.0   4.7   0.9   4.6  -5.9  -5.6  12.8     m  -2.3 
2211  -4.3  -8.0   0.4   0.2  -0.1   4.2     m   3.8  -5.5  -5.7  12.2   8.0  -2.5 
2212  -5.0  -8.2   0.1   0.5  -0.6   4.3  -0.9   4.2  -6.1  -5.9  12.5   8.3  -1.3 
2213  -5.1  -9.0   0.2   0.2  -0.1  -3.8  -0.5  -4.0  -5.1  -5.3   5.2   1.3  -1.3 
2214  -5.6 -10.2  -0.6   0.9  -0.2  -4.4   0.1  -3.8  -4.0  -4.7   5.8   1.6  -0.7 
2215  -5.8 -10.1  -0.1   0.4  -0.2  -4.3   0.1  -4.2  -4.1  -4.4   5.8   3.7  -2.9 
2216  -4.8 -10.0  -0.2   0.5  -0.3  -3.9     m  -3.7  -3.7  -3.1   6.1   1.8  -0.8 
2217  -4.5  -9.9   0.4   0.6  -0.3  -3.5   0.0  -3.9  -3.6  -2.9   6.4   1.9  -2.9 
2218  -4.2  -9.4   0.0   0.7  -0.3  -3.8  -0.3  -3.8  -3.0  -2.6   5.6   0.9  -2.7 
2219  -3.7  -8.4   0.6  -0.3  -0.5  -2.7  -1.3  -3.3  -1.9  -2.1   5.7   1.0  -2.6 
2220  -5.3  -8.8  -0.1   0.2   0.0  -3.4   0.0  -3.3  -0.1   0.3   5.4   0.9  -2.6 
2221  -4.7  -8.8   0.3   0.4   0.1  -3.8   0.2  -4.1   0.8   1.1   5.0   0.8  -3.1 
2222  -3.9  -8.2   0.2   0.8  -0.1   3.3   0.3   3.1   1.2   1.0  11.5   7.4  -2.5 
2223  -4.1  -7.5   0.1   0.5  -0.4   3.9   1.4   3.8   2.3   1.9  11.4   7.6  -1.9 
2300  -4.2  -8.1  -0.3   2.0   0.1   3.3   1.2   3.6   2.4   2.4  11.4   7.7  -2.5 
2301  -3.6  -6.8   0.5   1.1   0.6   5.1   0.8   4.6   4.6   4.6  11.9   7.6  -1.9 

 


Forecast Model Pressure Differences

 North American Mesoscale Model

Model Forecast Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Wed Nov 22 15:30:01 GMT 2017

     ETA242 Pressure Difference Forecast ( 20171122_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 
2212  -2.5  -8.4   0.0   0.9  -0.3   1.8  -0.3   1.7  -6.9  -6.3  10.1   6.9  -0.2
2215  -2.3  -9.1  -0.0   1.4   0.0   0.0   0.8   0.0  -4.9  -4.0   9.1   5.5  -1.6
2218  -1.7  -9.0   0.3  -0.0   0.1  -1.0   1.1  -1.4  -2.7  -1.5   8.0   4.4  -1.8
2221  -2.5  -8.8  -0.4  -0.0  -0.3  -1.9   1.3  -1.5   0.5   1.4   6.8   4.0  -1.7
2300  -1.6  -7.0  -0.4   1.7   0.2  -1.4   1.6  -1.0   2.0   2.5   5.6   3.4  -1.2
2303  -1.0  -4.4   0.8   1.4   1.2   1.5   3.0   0.7   8.1   8.5   5.9   3.4  -0.5
2306  -0.6  -2.6   0.0   1.8   0.4   3.6   2.5   3.6   8.1   6.3   6.2   4.4   1.5
2309  -0.3  -1.3   0.2   2.8   1.0   4.7   2.3   4.5   5.5   2.4   6.0   4.6   2.3
2312   0.2   0.1   1.2   3.6   1.6   5.7   0.3   4.5   4.0   2.2   5.6   4.3   2.9
2315   0.5  -0.4   1.5   4.0   2.2   5.9  -2.6   4.5   5.2   3.9   6.3   5.1   4.0
2318  -0.0  -1.6   1.4   3.6   1.9   5.8  -6.7   4.4   5.7   2.9   7.3   5.9   5.7
2321  -0.8  -3.5   0.9   2.9   1.1   4.7 -10.6   3.8  -0.2  -4.4   8.2   5.9   7.9
2400  -1.7  -5.0   1.4   1.9   1.3   3.5 -13.7   2.1  -7.2 -11.2   8.5   4.9   9.2
2403  -2.2  -6.8   3.5   1.1   3.2   2.3 -13.9  -1.1 -10.9 -12.5   9.2   4.4   6.6
2406  -2.8  -9.0   3.8   0.9   3.1   1.5 -12.9  -2.3 -13.2 -13.4  10.5   5.1   4.9
2409  -3.5 -11.0   3.2   0.7   2.4   1.5 -11.4  -1.7 -13.9 -13.9  12.5   6.2   4.3
2412  -3.9 -13.0   2.8   1.0   2.1   0.9  -9.4  -1.8 -13.1 -12.5  14.0   6.7   3.8
2415  -4.0 -13.5   2.7   1.0   2.3   0.7  -8.3  -2.0 -11.6 -10.7  14.2   7.3   3.2
2418  -3.8 -12.5   3.0   0.5   2.3   0.5  -9.2  -2.5 -11.1 -10.0  13.0   7.1   3.1
2421  -3.4 -11.4   3.3   0.5   2.2   0.4 -11.6  -2.9 -10.6  -9.7  11.8   6.6   4.2
2500  -3.0 -10.6   3.4   0.8   2.5   0.6 -13.1  -2.8 -11.3 -10.6  11.2   6.0   6.0
2503  -2.3 -10.0   4.2   0.7   3.1   1.3 -13.7  -2.9 -12.0 -11.7  11.3   5.7   6.4
2506  -2.3  -9.9   4.7   0.6   3.6   2.1 -12.7  -2.6 -12.1 -11.9  12.0   5.7   6.5
2509  -2.1  -9.8   4.5   0.7   3.7   2.8 -12.2  -1.7 -10.5 -10.1  12.6   5.5   7.0
2512  -1.8  -9.2   3.8   0.4   3.0   3.6 -11.2  -0.3  -9.0  -8.9  12.7   5.5   7.7
2515  -1.4  -8.0   2.5   0.7   2.0   4.4  -9.1   1.9  -7.2  -7.1  12.4   5.4   8.2
2518  -0.9  -6.7   1.2   1.0   0.8   5.5  -7.2   4.3  -4.8  -4.5  12.1   5.7   8.8
2521  -1.1  -6.2   0.1   1.1  -0.1   5.8  -6.0   5.7  -3.1  -3.1  12.0   6.5   8.6
2600  -0.6  -5.0  -0.1   1.9   0.0   6.1  -4.5   6.2  -1.2  -0.9  11.1   6.1   7.9