CONTEST STATUS - Updated: FRI ... 23-MAR-18 @ 6 PM EDT

Winter '17 / '18 - Snowfall Forecast Contests

19th Annual 'Regular Season'
- Interim Standings ... as of Snow Storm #7 here
- Forecaster Storm Stats ... as of Snow Storm #7 here

- Snow Storm #8: 21-MAR-18
The Forecasts! here
Preliminary STP verifications here

- Snow Storm #7: 12-MAR-18
FINAL Results here
Winning forecast issued by: iralibov

17th Annual 'Season-total'
Deadline for entries has passed
Forecasters' summary here

Winter '16 / '17 - Snowfall Forecast Contests
18th Annual 'Regular Season'
FINAL results here

16th Annual 'Season-total'
FINAL results here

Sunday, January 18, 2009

Stellar Dendrites

High SN:H2O were observed in this morning early snowfall reports.

ORH - 23:1
CON - 24:1
BDL - 25:1

Ratios are well above normal.

Image courtesy Cooperative Institute for Precipitation Systems

12z Skew-T from GYX shows cloud-top ~-18°C...the cold edge of favored stellar dendrite growth region. Note the strong warm-air advection near 700 mb acting on the elevated moist layer where mixing ratios reach their maximum value.

Skew-T courtesy SPC.

Snowflake morphology courtesy

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