SPC has issued this Tornado Watch, still not overly concerned with Tornado threat, but rather high winds. The surface flow will limit circulation. Keep an eye on current radar for "bowing" features which indicate high winds. Also watch for the erosion of precipitation behind the main line, which can indicate high winds. Notice that the squall line is followed by lighter stratiform precipitation. This is especially dangerous for a high wind threat. Many Derecho's (Wind Events) have been associated with lines similar to this.
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