21/09 UTC SREF probability of greater than 12-hr QPF greater than 0.50 inches valid 23/06 UTC.

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The 21/09 UTC SREFs indicated that the probability of greater than 0.50 inches of precipitation during the 12 hour period ending at 06 UTC on the 23rd would be less than 10 percent across the northern half of the forecast area. Meanwhile, a near 70 percent chance of greater than 0.50 inches was forecast over the southeast part of the forecast area.