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CloudSat
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Cooperative Institute for Research in the Atmosphere (CIRA)
Colorado State University Department of Atmospheric Science


Daily Summary for 27 February 2007


 

Quick links:

Weather SummaryFlight SummarySatellite ImagesSurface ObservationsModel AnalysesRadiosonde Soundings

 

Weather Summary

What was a major low over the weekend weakened and stalled out over the Great Lakes. This kept southwestern Ontario under clouds and light snow, but southeastern Ontario stayed sunny.

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

 

Flight Summary

Today's flight targeted the afternoon Kingston overpass. With little in the way of cloud cover along the satellite track, it was a CALIPSO/lidar validation flight. CLEX did not participate.

Below is the 1815 UTC GOES visible image and CloudSat swath during the aircraft operations courtesy of 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.

 

Surface Observations

Surface METARs every 4 hours beginning at 0045 UTC courtesy RAP @ UCAR

 

Model Analyses

12 UTC Eta analysis of 500 mb winds

12 UTC Eta analysis of 500 mb heights and vorticity

18 UTC surface analysis from NCEP

 

Radiosonde Soundings

12 UTC Maniwaki, QC