National Weather Service United States Department of Commerce

Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

3/19/2003 - Event Summary

At the surface, a strong area of low pressure was centered over eastern Oklahoma and northwestern Arkansas on the morning of the 19th. A stationary front extended from the low into the Ohio Valley. A strong cold front trailed from the low into northeastern Arkansas and Mississippi. Storms developed in the late morning into the early afternoon hours as the cold front pushed near and east of the I-65 corridor. Some of these as seen below produced damaging winds, hail up to 1.5 inches in diameter, and tornadoes.  

 
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March 19th, 2003 Surface Analysis at 7 AM March 19th, 2003 500 mb Analysis at 7 AM