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Daily Summary for 1 December 2006

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Weather Summary — Flight Summary — Satellite Images — Surface Observations — Model Analyses — Radiosonde Soundings

Weather Summary

The low pressure system over northeast Texas yesterday moved rapidly to the northeast overnight, and brought a strong winter storm to the Great Lakes and Southern Ontario. A mixture of rain, freezing rain and snow hit the area and affected Ottawa all day.

Flight Summary

With widespread precipitation and deep clouds, it was not an ideal CLEX day. As such, CLEX operations were not warranted. It was tempting for C3VP to fly a non-overpass, "weather-only" flight targeting the storm, but hazardous travel conditions with freezing rain at the airport brought that idea to a halt. It was a day to stay home and stay safe.

Satellite Images

GOES-12 IR courtesy of RAP @ UCAR

GOES-12 Visible (during daylight hours) and Near IR (night) albedo from CIRA.

GOES-12 IR (10.7 µm) brightness temperature from CIRA. The color scale begins at 0 °C with an increment of -10 °C between color changes.

GOES-12 experimental cloud phase from CIRA. Blue represents ice particles, red is liquid droplets above freezing and yellow represents supercooled liquid droplets. Gray areas are clear (no cloud) based on an IR cloud mask.