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Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Thursday

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Observed Model Pressure Differences

Observation Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Thu May 16 07:10:01 GMT 2024

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 
1508  -0.2  -0.1  -1.1  -1.4  -1.7  -0.2   4.0   0.9   1.5   1.8  -0.1  -2.5  -3.0 
1509  -0.5  -0.2  -1.1  -1.1  -1.6   0.2   3.8   1.3   1.9   2.1   0.4  -2.1  -3.4 
1510  -0.5  -0.5  -1.0  -0.7  -1.3   0.0   4.4   1.0   2.3   2.7   0.5  -2.2  -3.6 
1511  -0.6  -0.5  -0.9  -0.6  -1.2   0.3   4.6   1.2   2.8   3.0   0.8  -1.9  -3.9 
1512  -0.5  -0.4  -0.6  -0.7  -1.0   0.7   4.4   1.3   3.1   3.1   1.1  -1.5  -4.0 
1513  -0.8  -0.3  -0.3  -0.5  -0.6   0.8   4.6   1.1   3.2   3.2   1.1  -1.4  -4.3 
1514  -0.9  -0.3  -0.3  -0.2  -0.3   0.7   4.7   1.0   3.0   3.2   1.0  -1.2  -4.5 
1515  -1.0  -0.1   0.0  -0.4  -0.1     m   4.7     m   3.2   3.3     m     m  -4.6 
1516  -0.8  -0.1   0.0  -0.4  -0.3   0.7   4.7   0.7   3.7   4.0   0.8  -1.6  -4.4 
1517  -0.7  -0.1  -0.2  -0.3  -0.4   0.3   5.1   0.5   3.9   4.4   0.4  -1.8  -4.6 
1518  -0.5   0.0  -0.3  -0.3  -0.7   0.2   5.4   0.5   3.8   4.3   0.2  -1.9  -4.9 
1519  -0.4   0.3  -0.5  -0.5  -1.1   0.0   5.5   0.5   3.8   4.4  -0.3  -2.2  -5.1 
1520  -0.1   0.5  -0.7  -0.8  -1.7  -0.3   5.4   0.4   3.8   4.2  -0.8  -2.7  -5.3 
1521   0.3   0.9  -0.7  -1.1  -1.8  -0.3   5.4   0.4   3.9   4.4  -1.2  -3.0  -5.5 
1522   0.2   0.9  -1.1  -0.9  -1.9  -0.5   5.7   0.6   4.0   4.6  -1.4  -3.3  -5.7 
1523   0.4   1.2  -1.3  -1.0  -2.2  -0.6   6.1   0.7   4.1   4.4  -1.8  -3.7  -6.0 
1600   0.8   1.6  -1.2  -1.2  -2.5  -0.6   5.9   0.6   3.6   4.0  -2.2  -4.2  -6.1 
1601   1.1   2.0  -1.1  -1.5  -2.4  -0.6   5.2   0.5   3.5   3.8  -2.6  -4.4  -6.1 
1602   1.2   2.1  -1.2  -1.7  -2.7  -0.6   4.7   0.6   3.7   3.8  -2.7  -4.5  -6.1 
1603   1.0   2.0  -1.3  -1.4  -2.7  -1.3   4.8   0.0   3.7   3.8  -3.3  -5.0  -6.4 
1604   0.8   1.9  -1.7  -1.1  -2.7  -1.6   4.9   0.1   3.8   3.8  -3.5  -5.2  -6.4 
1605   1.1   2.0  -1.6  -1.1  -2.8  -1.4   4.3   0.2   3.7   3.9  -3.4  -5.3  -6.2 
1606   1.1   2.3  -1.5  -1.1  -2.6  -1.1   4.3   0.4   4.0   4.2  -3.4  -5.2  -6.3 
1607     m   2.2  -1.2  -0.8  -2.2  -1.0   4.3   0.2   3.7   4.2  -3.2  -5.1  -6.5 

 


Forecast Model Pressure Differences

 North American Mesoscale Model

Model Forecast Pressure Gradient Table
National Weather Service, Anchorage AK Forecast Office
Thu May 16 03:30:01 GMT 2024

('    ', 'ETA242', 'Pressure Difference Forecast (', '20240516_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 
1600   1.6   1.2  -2.2  -1.4  -3.1  -3.1   6.5  -0.9   2.7   2.7  -4.3  -3.5  -4.7
1603   2.5   1.3  -2.0  -0.5  -2.4  -3.5   6.7  -1.5   2.9   2.2  -4.8  -4.6  -5.3
1606   2.1   1.9  -1.6  -0.3  -1.8  -2.8   5.9  -1.1   3.0   3.1  -4.7  -5.1  -5.5
1609   2.1   1.6  -0.7   0.2  -0.5  -1.5   5.7  -0.8   3.3   3.2  -3.1  -3.8  -5.8
1612   1.6   1.6  -0.2   0.5   0.2  -0.6   5.1  -0.4   4.0   3.5  -2.2  -3.0  -5.3
1615   1.9   2.5   0.3   0.6   0.7   0.8   4.4   0.5   4.3   3.4  -1.7  -2.1  -4.2
1618   2.3   2.9   0.1   1.0   0.5   0.1   4.1   0.0   4.1   2.7  -2.8  -1.6  -3.4
1621   2.3   2.7  -0.1   1.2   0.6  -1.8   4.7  -1.7   4.0   1.8  -4.5  -3.3  -4.0
1700   2.6   2.8   0.2   1.2   1.0  -3.0   4.3  -3.2   2.6  -0.2  -5.8  -5.2  -4.7
1703   2.9   3.1   0.1   0.8   0.9  -3.0   3.8  -3.1   0.7  -2.2  -6.1  -5.7  -4.8
1706   2.3   2.6  -0.1   0.7   0.9  -2.3   3.3  -2.2  -0.8  -2.8  -4.9  -4.9  -4.4
1709   1.4   1.7  -0.1   0.6   0.9  -1.8   2.4  -1.7  -1.8  -2.9  -3.5  -3.7  -3.8
1712   1.2   1.3  -0.0   0.3   0.6  -1.2   1.7  -1.1  -2.6  -2.9  -2.4  -2.8  -3.6
1715   1.0   1.1  -0.0   0.0   0.3  -1.0   0.8  -1.0  -2.7  -2.6  -2.1  -2.3  -3.1
1718   1.0   0.6  -0.4  -0.3  -0.3  -1.9   0.5  -1.5  -2.7  -2.3  -2.5  -2.6  -2.9
1721   1.5   0.6  -0.9  -0.9  -1.0  -3.1   0.3  -2.2  -2.1  -1.5  -3.7  -3.0  -2.7
1800   1.6   0.9  -1.5  -1.5  -2.1  -4.4   1.0  -2.9  -0.8  -0.3  -5.3  -4.4  -3.0
1803   1.6   1.1  -1.9  -1.6  -2.6  -4.9   1.9  -3.0   0.8   1.1  -5.9  -5.1  -3.3
1806   1.1   0.9  -1.6  -0.7  -1.7  -4.6   2.8  -2.9   2.2   2.5  -5.5  -5.4  -3.6
1809   0.6   0.5  -0.9  -0.5  -0.9  -3.6   3.3  -2.7   3.0   2.9  -4.1  -4.1  -4.1
1812   0.5   0.3  -0.4   0.2  -0.2  -3.1   3.9  -2.7   4.4   3.2  -3.3  -3.0  -4.5
1815   0.8   0.9   0.1   0.9   0.3  -2.0   4.1  -2.1   5.4   3.9  -3.0  -2.5  -4.2
1818   1.3   1.5  -0.3   1.1  -0.2  -2.2   4.0  -1.9   5.6   4.1  -3.7  -2.0  -3.1
1821   2.6   3.0  -0.8   1.3  -0.4  -2.8   4.4  -2.0   6.9   4.8  -5.9  -4.9  -3.1
1900   4.0   4.6  -0.9   0.7   0.0  -2.9   4.2  -1.9   7.2   4.2  -7.4  -6.7  -3.0
1903   3.8   4.5  -1.8   1.5   0.1  -3.0   5.0  -1.2   7.2   2.9  -7.5  -6.9  -3.1
1906   2.9   4.5  -1.4   2.4   0.6  -1.2   4.9   0.2   5.6   0.2  -5.6  -5.1  -3.8
1909   2.1   4.0  -0.0   2.8   1.6   0.9   4.0   0.9   2.9  -3.1  -3.2  -3.0  -4.4
1912   1.6   2.0   0.6   3.1   2.1   1.7   3.0   1.1   0.2  -4.1  -0.3  -1.2  -4.3