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May 21, 1953 Sarnia, Ontario Tornado
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30-km Synoptic
Field
Forecast Hours (will open in new window)
SLP, 1-Hour Precip
Loop
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250mb Height & Wind
Loop
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300mb Height & Wind
Loop
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500mb Height,Temp & Wind
Loop
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700mb Height,Temp & Wind
Loop
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850mb Height,Temp & Wind
Loop
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925mb Height,Temp & Wind
Loop
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10-km Mesoscale
Simulated Reflectivity
Loop
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SLP, 1-Hour Precip
Loop
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Hourly Precipitation
Loop
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Run Total Precip Accumulation
Loop
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Surface (2m) Temperature
Loop
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Surface (2m) Dewpoint
Loop
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10-Meter Wind
Loop
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Surface Wind Gusts
Loop
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80-Meter Wind
Loop
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Field
Upper Air Parameters
250mb Height & Wind
Loop
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300mb Height & Wind
Loop
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500mb Height,Temp & Wind
Loop
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700mb Height, Temp, RH & Wind
Loop
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850mb Height, RH & Wind
Loop
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925mb Height, Temp & Wind
Loop
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SRH (0-3km)
Loop
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SRH (0-1km)
Loop
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0-1km Shear
Loop
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0-3km Shear
Loop
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0-6km Shear
Loop
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Field
Instability Parameters
Surface Cape
Loop
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Most-Unstable Cape
Loop
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Mixed-Layer Cape
Loop
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1-6km Updraft Helicity
Loop
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2-5km Updraft Helicity
Loop
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Precipitable Water
Loop
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Surface Lifted Index
Loop
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Lightning Potential Index
Loop
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Significant Tornado Parameter
Loop
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Supercell Composite Parameter (Surface based)
Loop
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0-3km Lapse Rate
Loop
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700-500mb Lapse Rate
Loop
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Field
Hourly Maximum Parameters (from previous hour)
Hourly Maximum Updraft Velocity
Loop
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Hourly Maximum Downdraft Velocity
Loop
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Hourly Maximum 1-6km Updraft Helicity
Loop
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Hourly Maximum 2-5km Updraft Helicity
Loop
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Field
Misc. Parameters
Freezing Level
Loop
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Simulated Echo Tops
Loop
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Lifted Condensation Level
Loop
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