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Grampian Weather Services
"The weather ... as forecast"
Thunderstorms Mode
CAPE & Wind shear
0-6 km Shear Criteria:
14 to 35 kt (mean = 25 kt): Waterspouts possible
23 to 38 kt (mean = 34 kt): F0 TN possible
19 to 43 kt (mean = 30 kt): F1 TN possible
33 to 98 kt (mean = 52 kt): F2 TN possible
Supercells & Tornadoes
What to look for:
To be written
0-3 km SREH Criteria:
16 to 108 m²/s² (mean = 54 m²/s²): Waterspouts possible
34 to 82 m²/s² (mean = 59 m²/s²): F0 TN possible
57 to 163 m²/s² (mean = 105 m²/s²): F1 TN possible
135 to 279 m²/s² (mean = 210 m²/s²): F2 TN possible
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