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Author Topic: Dust Storm Warnings to go polygon-based, Dust Advisory added  (Read 412 times)

Pink Jazz

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Dust Storm Warnings to go polygon-based, Dust Advisory added
« on: December 26, 2017, 11:02:20 AM »

http://www.nws.noaa.gov/os/notification/scn17-112snow_dust.htm

The NWS is making a lot of changes for 2018 apparently.  Dust Storm Warnings will switch from zone-based to polygon-based warnings.

The NWS will also add a polygon-based Dust Advisory for convective short-fused blowing dust when visibility is less than 1 mile but greater than 1/4 mile.  The existing zone-based Blowing Dust Advisory will remain for blowing dust lasting 90 minutes or more.

With the polygon-based Dust Storm Warnings, fewer people will now get alerts on their phones, since Wireless Emergency Alerts works better with the polygon-based warnings than it does with the zone-based warnings.
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kphoger

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Re: Dust Storm Warnings to go polygon-based, Dust Advisory added
« Reply #1 on: December 26, 2017, 12:16:15 PM »

My first thought was, Aren't most warning signs already polygons?
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US 89

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Re: Dust Storm Warnings to go polygon-based, Dust Advisory added
« Reply #2 on: December 26, 2017, 02:03:22 PM »

My first thought was, Aren't most warning signs already polygons?

No, they have rounded corners to protect construction workers.
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