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Daily Summary for 18 February 2007

Quick links:

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

Weather Summary

A cold front moved through southern Ontario overnight bringing with it a surge of cold, dry air. The cold air at the surface triggered a few lake effect snow bands and a lot of low clouds downwind of Lake Huron, but the air was clear near the satellite overpass.

Click here for the CARE operations summary. (Word Document)

Flight Summary

Today's flight targeted the ~13:30 LT Peterborough overpass. With clear skies, it was mostly a CALIPSO/lidar flight. CLEX did not participate.

1815 UTC GOES visible image and CloudSat swath, courtesy NRL:

Satellite Images

Images are taken every four hours beginning at 0045 UTC.

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.