Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

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The above image is a radar loop of the supercell severe storms that moved across the Midlands Saturday afternoon. The time of this loop runs from around 4 pm until 8 pm.

Below is a still radar image of a classic supercell thunderstorm from this event. The strongest storms which spawned tornadoes and produced the most damage all showed a couple of similar characteristics. The first is the hook (A) that is evident in the reflectivity pattern on the southern side of the supercell. This is the location where a tornado would be expected. Another is the very high reflectivity values (B) in the northern part of the supercell, which is indicative of the large hail that accompanied many of these storms, as large as golf balls.