[EAS] Making a better alerting system

[Alexander Tardy - NOAA Federal]

Flash flooding events are often (in the West) very slow moving, persistent or stationary thunderstorms only 5-10 miles wide by nature.
Tornado and severe storms typically pulse and move as mentioned, though in the West can be anchored to one location or mountain ridge at times. 

Thanks, Alex

Alex Tardy

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On Thu, Jul 27, 2017 at 11:57 AM, Tim Stoffel <tim at knpb.org> wrote:
>With weather events though, usually its known which direction something is moving and how fast, so an alert might cover the current and next cell it is expected to move into. For the most part, severe weather conditions, such as tornados or strong storm cells doesn't usually persist very long (except in the Midwest). And, not all weather advisories would have to be that specific, if conditions warrant that. Adrienne's point about large Western counties is also well-taken. The downfall of this, of course is in-band signaling, which is also one of its strengths ;)

>Tim Stoffel

>--

>-----Original Message-----
>From: EAS [mailto:eas-bounces at radiolists.net] On Behalf Of Dave Kline

>Actually, I think with weather it would be harder to employ sub-counties just because weather is, for the most part, a large scale event AND a moving target.
>Imagine getting four different TORs for the same Tornado for one county, not to mention the county that the Tornado was in before or after the current one.
>I think the sub-county alerts would be better suited to something like a train derailment/toxic spill type event. But the use of sub-counties would also have to consider the size of the county.
>----------------------------------------
>Dave Kline
>----------------------------------------

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