Monday, May 7, 2018

ProbHail Overestimating Severe Hail in Montana.

MRMS Composite Reflectivity over southeast Montana on Monday afternoon 2022 to 2136Z with ProbHail overlaid. Convection firing off near the Billings area with individual cells displaying high ProbHail values of 50 to 80 percent in the initial and mature phase of development. This was due to MESH values of 1" to 1.7". Issued 3 warnings for hail size of 1" but storm reports of only 0.25" to 0.88" were received before the storms weakened as they worked east of the Billings area.



- Jack Swigert

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