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Maximum Estimated Size of Hail (MESH)

Maximum Estimated Size of Hail (MESH)

Short Description

Estimate of the maximum hail size that can be expected.

Subproducts

None

Primary Users

NWS: WFO, CWSU, AWC, SPC

Input Sources

Severe Hail Index (SHI)

Resolution

Spatial Resolution: 0.01° Latitude (~1.11 km) x 0.01° Longitude (~1.01 km at 25°N and 0.73 km at 49°N)

Temporal Resolution: 2 minutes

Product Creation

MESH is calculated by:

where SHI is the “Severe Hail Index."

 

MESH units as displayed in AWIPS: Inches

MESH base units (used in calculations): mm 

Technical Details

Latest Update: MRMS Version 10

References

Witt, A., M. D. Eilts, G. J. Stumpf, J. T. Johnson, E. D. Mitchell, and K. W. Thomas, 1998: An enhanced hail detection algorithm for the WSR-88D. Wea. Forecasting, 13, 286-303.