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Unisys Weather at 95th Annual AMS Meeting in Phoenix, AZ

95th AMS Annual Meeting

Unisys Weather will be attending the 95th Annual American Meteorological Society (AMS) meetings, January 4-8 2015 at the Phoenix Convention Center. As a corporate member of the AMS as well as a member of the American Weather and Climate Industry Association (AWCIA), Unisys Weather provides IT solutions for the Weather Enterprise including weather data and product processing, software and systems engineering, research to operations, and the Unisys NOAAPort Gateway fully capable to receive the expanded NOAAPort satellite broadcast.


Get acquainted with Unisys Weather and Unisys commercial IT Service Management capabilities by visiting booth #326 at the Phoenix Convention Center or send a quick note to Brian Hughes, Unisys Weather Program Manager and Deputy Director, at brian.hughes@unisys.com

Update on Forecasts for Maryland and Northern Virginia

Update 12/9: Unisys has made the necessary changes to enable the forecasts for the new zones in Maryland and Virginia.

Unisys weather is aware of issues with obtaining forecasts from some places and zip codes in Maryland and Northern Virginia. This is due to a recent change by NWS to break up several counties into separate forecast “zones”. Unisys is working to restore the forecasts.

Unisys Weather Enthusiast App Updates

Unisys has temporarily pulled the Unisys Weather Enthusiast App from the iOS App Store to perform an update. The current app is not compatible with iOS8 and above, and we want to use this time to update several links that have broken due to updates to Unisys Weather.

An alternative option in iOS8 and above is to create an app bookmark from Safari. To do this, simply use Safari to navigate to Unisys Weather main site or your favorite Unisys Weather product:

Select the “Share To” button at the bottom bar, center.

Select “Add to Home Screen” to set the app bookmark to your iOS home screen. You can create as many app bookmarks as you want. If you choose to bookmark an individual image or loop instead of the web page, be sure to include a descriptive title such as “Unisys Vis Satellite Image”.

1000-500mb Thickness Maps and Model Contours

Unisys weather is investigating issues with both the 1000-500mb upper air thickness from the 00Z and 12Z soundings, as well as the color contours on the NAM and GFS SLP/Precip maps.


The issue with the upper air sounding contours may be due to a bad observation near Mexico City being ingested into the system, causing the mapping/contouring functionality to key in on this bad value.

Unisys SST Anomaly Maps Update

Unisys has determined the cause of the SST anomaly charts showing rapid cooling since September. Our system was using a very limited dataset consisting of SST grids produced since only May 2014. This limited reference data caused the anomaly maps to produce results showing rapid changes amplified as the Northern Hemisphere transitioned into Fall. We have since copied over the grids for a larger reference dataset.


We have also modified the Unisys SST anomaly color enhancement and color bar with a new enhancement and displaying anomalies from -10 deg C to +10 deg C. The “zero” contour is grayed out for easier identification.