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HPC Heavy Snow/Ice Discussion
HPC Winter Weather Page
Day 1 Snow >2 in.
Day 2 Snow >2 in.
Day 3 Snow >2 in.
Day 1 Snow >4 in.
Day 2 Snow >4 in.
Day 3 Snow >4 in.
Day 1 Snow > 6 in.
Day 2 Snow >6 in.
Day 3 Snow >6 in.
Day 1 Snow >8 in.
Day 2 Snow >8 in.
Day 3 Snow >8 in.
Day 1 Snow >12 in.
Day 2 Snow >12 in.
Day 3 Snow >12 in.
HPC Probabilistic Ice Forecasts
Day 1 Ice >0.01 in.
Day 2 Ice >0.01 in.
Day 3 Ice >0.01 in.
Day 1 Ice >0.10 in.
Day 2 Ice >0.10 in.
Day 3 Ice >0.10 in.
Day 1 Ice >0.25 in.
Day 2 Ice >0.25 in.
Day 3 Ice >0.25 in.
Day 1 Ice >0.50 in.
Day 2 Ice >0.50 in.
Day 3 Ice >0.50 in.
HPC SREF Derived Impacts (Exceedence) Graphics
6 Hr. Prob. Vis <1/4
12 Hr. Prob Vis <1/4
18 Hr. Prob. Vis <1/4
24 Hr. Prob. Vis <1/4
6 Hr. Blizzard Prob.
12 Hr. Blizzard Prob
18 Hr. Blizard Prob.
24 Hr. Blizzard Prob.
6 Hr. Prob. FZRA >0.01
12 Hr. Prob. FRZA >0.01
18 Hr. Prob. FZRA >0.01
24 Hr. Prob. FZRA >0.01
Snowfall Rate
6 Hr. 1 in/hr Snow Rate
12 Hr. 1 in/hr Snow Rate
18 Hr. 1 in/hr Snow Rate
24 Hr. 1 in/hr Snow Rate
6 Hr. 2 in/hr Snow Rate
12 Hr. 2 in/hr Snow Rate
18 Hr. 2 in/hr Snow Rate
24 Hr. 2 in/hr Snow Rate
WSW Criteria
6 Hr. Warning (6in/12hr)
12 Hr. Warning (6in/12hr)
18 Hr. Warning (6in/12hr)
24 Hr. Warning (6in/12h )
6Hr. Warning (8in/24hr)
12Hr. Warning (8in/24hr)
18Hr. Warning (8in/24hr)
24Hr. Warning (8in/24hr)
6 Hr. Prob. Ice Storm
12 Hr. Prob. Ice Storm
18 Hr. Prob. Ice Storm
24 Hr. Prob Ice Storm
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