Recent Posts
- Different ways to see snow with GOES-16 imagery & RGBs – by Ed Szoke & Dan Bikos
- Can GLM Total Lightning help with warning for non-supercell (landspout) tornadoes? A case from Iowa on 29 May 2019.
- Blowing Dust associated with 10-11 April 2019 Central US Strong Cyclone
- Rapid ice cover development over the eastern Great Lakes in late January 2019
- Daytime fog over snow in Wyoming on 21 November 2018
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Category Archives: Synthetic NSSL WRF-ARW Imagery
1-minute imagery of warm conveyor belt on 1-2 February 2016 winter storm
A winter storm that passed through Colorado on 1-2 February 2016 resulted in significant snowfall over northern / northeast Colorado: One of the key aspects of this extra-tropical cyclone was the development of a warm conveyor belt (Harrold 1973). … Continue reading
Posted in SRSOR 1-minute imagery, Synthetic NSSL WRF-ARW Imagery
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Synthetic imagery from the 4-km NSSL WRF-ARW model for the 22 April 2015 severe weather event
This blog entry consists of a youtube video: http://youtu.be/2-3xVFXdw-o
Posted in Synthetic NSSL WRF-ARW Imagery
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Leeside cold front of 10 November 2014: Blowing dust and deep-tropospheric gravity waves
A strong cold front pushed southward across the Plains during the day on November 10, 2014. The temperature gradient across the front was quite dramatic, as seen by the surface observations at 23:00 UTC: Visible imagery from GOES-East during the … Continue reading
Posted in Synthetic NSSL WRF-ARW Imagery
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Convective Initiation Application via the Split Window Difference product
One of the exciting new products that will be available on GOES-R is the split window difference (SWD) which is simply the difference between the 10.35 micron and 12.3 micrometer channels. This channel difference has been shown to provide information … Continue reading
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Orographic Cirrus of 18 December 2013
Orographic cirrus (i.e., mountain wave) clouds can have a significant influence on temperature forecasts, particularly during the cold season when a reduction in insolation can drastically affect temperatures during the daytime. On December 18, 2013 the CIRA synthetic 4-km NSSL-WRF … Continue reading
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Synthetic imagery for the 3 Dec 2013 fog/low cloud case
The previous blog entry discussed CIRA satellite imagery that can be useful in highlighting fog and low clouds. These images utilize existing satellite imagery to create images that try to replicate those that will be available in the GOES-R era. … Continue reading
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October 17, 2012 fog over Wisconsin
Let’s examine the synthetic low cloud / fog product from the 4-km NSSL WRF-ARW model. This is from the 0000 UTC 17 October run valid between 0900-1600 UTC 17 October: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/17oct12_syn_fog&image_width=1020&image_height=900 Low cloud / fog is depicted as blue in … Continue reading
Posted in GOES Low Cloud / Fog Imagery, Synthetic NSSL WRF-ARW Imagery
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Synthetic low cloud / fog imagery to forecast stratus
The synthetic low cloud / fog product from the NSSL WRF-ARW model has a variety of forecasting applications. One of those is forecasting the development of stratus clouds. The NWS forecast office in Austin / San Antonio made use of … Continue reading
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