Updates from March, 2012 Toggle Comment Threads | Keyboard Shortcuts

  • Jared Smith 10:11 pm on March 17, 2012 Permalink
    Tags: admin updates, chswx, weather message   

    Starting today: a test of automatic severe weather watch and warning messages on @chswx 

    In April, I’ll have been operating the @chswx Twitter account for four years. In that time, I have relayed a vast majority of all the severe weather watches and warnings issued by the National Weather Service for the Charleston, SC Tri-County Area *manually.* As you can imagine, this has been quite an undertaking and has helped @chswx build quite an impressive following for which I am extremely grateful!

    To that end, I don’t want to accidentally let someone down by missing a critical warning overnight or when I am occupied with other tasks. (That, and it’s pretty hard to explain to my wife why I’m interrupting our dinner together to relay a warning over Twitter.) Therefore, I am piloting the use of automated warnings on @chswx starting today.

    I’m kicking the tires on a free trial of Weather Message, which offers pretty good social media integration, including Twitter and Facebook. Weather Message uses an EMWIN feed over the Internet to relay messages. I don’t have ready access to a dish (and bandwidth for a full NOAAPort feed over the Web is monstrous). EMWIN fills the role I need nicely. EMWIN prioritizes severe weather warnings in its data stream, so our warnings will still be relayed in a very timely fashion — still among the fastest on Twitter in southeast SC. Chances are good, too, that I will be around to back up the automatic message with the context you’ve come to know and hopefully love over the years.

    There are three downfalls to this:

    • The warning message will include counties, but not cities just yet. I’m working on a clean way to better represent cities in the polygon. (If anybody with Weather Message experience is reading this and can chime in on it, please do!)
    • There is not yet support for sending messages to identi.ca. This part really sucks; third-party support for identi.ca is dismal. I think I have an idea for a solution to this, but it will require extensive testing and won’t be ready right away. Rest assured, though, that I’m working on it. identi.ca is a really important tool in my stack (especially given Twitter’s questionable-at-times reliability) and I want to make sure it is properly supported.
    • Weather Message is for Windows only, requiring me to use an Amazon EC2 instance to keep it going at the moment. This may get expensive, so we will see. It is possible that I may only run the automated bot during times where I’m tied up.

    I also want to reiterate my disclaimer that @chswx should not be your sole source of severe weather information. Twitter can be astoundingly useful, but it can also be astoundingly unreliable, so I urge people to have redundant ways to receive severe weather information. An alerting NOAA Weather Radio is among the most reliable ways to receive weather warnings. There are also smartphone apps, such as the recently revamped iMap WeatherRadio, that push weather alerts to your iPhone based on your location (Android is coming soon). If you really, really like Twitter, consider following my Twitter list of Charleston broadcast meteorologists for enhanced context around a breaking weather situation.

    If the automatic tweets become nonsensical or more confusing than helpful, I’ll make adjustments. Weather Message is well-tested software used by some of the best meteorology outfits in the business (including ABC 33/40 in Birmingham, AL, home of James Spann) so I am confident in its ability to cleanly and rapidly deliver important weather information. That being said, there could always be trouble with the service as it is still highly experimental and doesn’t have any redundancy set up yet. I definitely want your feedback — please sound off in the comments, and thanks for following @chswx over the years!

     
    • Mike 11:07 pm on March 17, 2012 Permalink | Reply

      I love that you kept @chswx going after moving away. Thrilled that you will be moving back. Any improvements you want to make are OK with me. @chswx has been more reliable, and local in the sense of neighborhood coverage, than tweets from the Charleston TV weather people.

  • Jared Smith 9:09 am on March 12, 2012 Permalink
    Tags: climatology,   

    Warm, but not record warm 

    We have a much warmer mid-March ahead than normal (up to 10-12 degrees above by midweek, according to NWS forecasters). Despite the warmth, it’s going to take temperatures in the upper 80s to threaten records, and (fortunately) we’re just not going to get there.

    Here are the record temperatures at Charleston Airport for the rest of the week (pulled from Weather Underground’s massive database):

    • March 12: 89 (set in 1967)
    • March 13: 88 (set in 1955)
    • March 14: 85 (set in 1985)
    • March 15: 87 (set in 1967)
    • March 16: 87 (set in 1945)
     
  • Jared Smith 9:26 pm on March 8, 2012 Permalink
    Tags: changes, site news   

    I’m thinking of some changes for this blog. The most pertinent change is that it will likely have a heavy weather app review section going forward, covering tools geared toward the general public as well as meteorologists. (When I refer to “weather apps,” I’m not just thinking about smartphones, but Web apps and everything else in between.)

    I’ll probably also do more general weather here, as I’m planning on a relaunch of the Charleston Weather site in early summer, where I will restore the Charleston weather blog and do more to aggregate local information from a variety of sources.

    I’m not anticipating a name change, though if you can’t spell the domain, weather.jaredwsmith.com works too ;)

     
  • Jared Smith 2:22 pm on March 7, 2012 Permalink
    Tags: simuawips, weather tools   

    Big news for one of the weather tools I use most frequently: SimuAWIPS will be upgraded to version 7.0 starting this weekend. It will mean a multi-day outage but the improvements are expected to be excellent (including easier screen captures). SimuAWIPS is an incredible service (and I couldn’t believe it was free so I made sure to donate to the server fundraiser when I signed up).

     
    • Matthew 8:12 am on March 8, 2012 Permalink | Reply

      Thanks for sharing this. That does appear to be a really nice free service. May donate, even if I don’t use it.

      • Jared Smith 9:22 pm on March 8, 2012 Permalink | Reply

        You bet. I’m working on a page outlining all the tools I use to produce the blog and nowcast on identi.ca/Twitter, too — stay tuned for that.

    • Jared Smith 9:11 am on March 12, 2012 Permalink | Reply

      Unfortunately it looks like there were some additional tech issues discovered during the upgrade, so it’s delayed again. I can’t imagine the monumental task it is to push what appears to be such a huge upgrade out.

  • Jared Smith 9:12 am on March 7, 2012 Permalink
    Tags: forecast discussion,   

    No severe weather to be aware of during Severe Weather Awareness Week 

    High pressure is on its way out, allowing for temperatures to recover a little bit; it’s also allowed for a weak trough of low pressure to set up along the Carolina coast, which will keep clouds around. NWS is forecasting upper 60s for many locations today with a rebound into the 70s by tomorrow. Sprinkles may be possible but the next best rain chance comes Friday into Saturday (models diverge a bit still on intensity and timing).

    This week is Severe Weather Awareness Week in SC; fortunately, SC and the country have been quiet on the severe weather front after last week’s deadly storms. It’s a good time to review your safety plan for severe weather (all types: hail, straight-line winds, tornadoes, and hurricanes). What are a few things you do to keep safe when storms arrive?

     
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