PolygonFail's profile picture. Pointing out the flaws in the NWS polygon warning system since 2015

Polygon Fails

@PolygonFail

Pointing out the flaws in the NWS polygon warning system since 2015

Polygon Fails reposted

Severe Thunderstorm Warning including Sedalia SC, Carlisle SC until 4:00 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Sedalia SC, Carlisle SC until 4:00 PM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Carlisle SC until 4:00 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Carlisle SC until 4:00 PM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Raleigh NC, Cary NC, New Hope NC until 12:30 AM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Raleigh NC, Cary NC, New Hope NC until 12:30 AM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Woodbridge VA, Franconia VA, Fort Belvoir VA until 3:45 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Woodbridge VA, Franconia VA, Fort Belvoir VA until 3:45 PM EDT

So many times a simple wedge would accurately convey storm motion and impacts, not geographical boundaries.


But why do we fall back on archaic policy and technology?


For my new followers- I know 99% of the time the forecaster is bound by policy and technical limitations.


I'll leave this here.

Severe Thunderstorm Warning including Carrollton KY, Williamstown KY, Dry Ridge KY until 7:00 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Carrollton KY, Williamstown KY, Dry Ridge KY until 7:00 PM EDT


This storm will become severe at the county line.

Severe Thunderstorm Warning including Waverly TN, New Johnsonville TN, Mcewen TN until 7:15 PM CDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Waverly TN, New Johnsonville TN, Mcewen TN until 7:15 PM CDT


Fail, or interesting storm shape?

Severe Thunderstorm Warning including Albertville AL, Boaz AL, Arab AL until 4:15 PM CDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Albertville AL, Boaz AL, Arab AL until 4:15 PM CDT


Polygon Fails reposted

Severe Thunderstorm Warning including Blytheville AR, Gosnell AR, Manila AR until 2:00 PM CDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Blytheville AR, Gosnell AR, Manila AR until 2:00 PM CDT

It's not just me noticing this stuff people.

Why the @NWS needs to figure out this whole can't-warn-across-office-boundary problem ASAP, Exhibit 1. #fail



What does this convey that a quadrilateral or pentagon can't? #HonestQuestion

Severe Thunderstorm Warning including Berea SC, Travelers Rest SC, Marietta SC until 6:15 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Berea SC, Travelers Rest SC, Marietta SC until 6:15 PM EDT


Is the area in the middle safe? Or is this just geographic boundary? How is your average person going to know that?

Severe Thunderstorm Warning including Weddington NC, Pineville NC, Waxhaw NC until 6:45 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Weddington NC, Pineville NC, Waxhaw NC until 6:45 PM EDT


Polygon Fails reposted

Severe Thunderstorm Warning including Monticello IN, Brookston IN, Monon IN until 1:00 AM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Monticello IN, Brookston IN, Monon IN until 1:00 AM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Cheektowaga NY, Tonawanda NY, Niagara Falls NY until 4:45 AM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Cheektowaga NY, Tonawanda NY, Niagara Falls NY until 4:45 AM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Cheektowaga NY, Tonawanda NY, Niagara Falls NY until 4:45 AM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Cheektowaga NY, Tonawanda NY, Niagara Falls NY until 4:45 AM EDT

Polygon Fails reposted

Tornado Warning including Sandusky OH, Huron OH, Sandusky South OH until 5:45 PM EDT

NWStornado's tweet image. Tornado Warning including Sandusky OH, Huron OH, Sandusky South OH until 5:45 PM EDT

Polygon Fails reposted

Severe Thunderstorm Warning including Sandusky OH, Bellevue OH, Port Clinton OH until 5:30 PM EDT

NWSSevereTstorm's tweet image. Severe Thunderstorm Warning including Sandusky OH, Bellevue OH, Port Clinton OH until 5:30 PM EDT

Polygon Fails reposted

What is this polygon doing there...

PaxBiggs's tweet image. What is this polygon doing there...

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