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Thread: Tornado Date in 1998

  1. #1
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    Default Tornado Date in 1998

    Hi MW Obs Folks,

    I have a weather/date related question that I'm not sure if you can help me with or not. The first (and only) time I climbed Mt. Washington was either the end of August or beginning of September in 1998. I'm trying to pin down the date...but can't for some reason. I recall that day, it was nice during the day and then the Whites got a real nasty storm in the later afternoon hours. I thought (and I could be wrong) that the Ossipee area got a tornado which I recall yanked up trees all up route 16. Does this sound familiar to anyone? I Googled tornadoes in NH in 1998, but no dice. Would the observatory have an records of a tornado in running through that area in 1998? Are there any staff members that recall this? I know this is a strange question and a long shot.

    Any help would be greatly appreciated.

    Thanks,
    Karl

  2. #2
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    Default

    Howdy-

    So I wasn't here during that time but prior to working at the obs, I did some work in forensic meteorology, so I like to look up obscure things like this from time to time. I can say that what you are remembering probably wasn't a tornado. Here is a link by NWS Grey, ME that lists all the tornadoes they have been verified in recent years: http://www.erh.noaa.gov/gyx/aware_thu.txt Although there were two reported and verified tornadoes that year, the timing of the NH one is too early and the South Paris one is a bit far. So I looked into the next thing I suspect it might be: straight line winds aka "Derechos". These strong winds can create damage similar to tornadoes and usually are mistaken for them. And by your description of the damage as well as the weather on the summit, I think this is what you are looking for. In this case, "The Syracuse Derecho of Labor Day 1998" coincides with the date your have in mind and there are pictures/video online of the suspected damage surprisingly in the area you mention. But you can turn to this page for more information about Derechos: http://www.spc.noaa.gov/misc/AbtDere...rechofacts.htm and the event: http://www.spc.noaa.gov/misc/AbtDere...p71998page.htm Or do a simple google search for more.

    Hopefully this is what you were thinking of and looking for. If not, I can look at a few other ideas for you but if I had to bet, this would be the event you are thinking of. And to answer your question about record keeping, the observatory does not keep records of surrounding weather events like this, that would be more geared towards NWS or NCDC. We primarily keep records of weather on the summit or at our Mesonet sights around the summit in recent years. If you need those records, you can formally submit a request and we can possibly provide the weather for that given day if you would like.

    Cheers-
    Ryan Knapp
    Staff Meteorologist/Night Observer, KMWN (Mt Washington Obs., NH)

  3. The Following User Says Thank You to Knapper For This Useful Post:

    KSearl (02-27-2011)

  4. #3
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    Default

    Thanks Ryan, for all the information. I'm thinking Labor day may have been a bit later than my hike date, just based on when I left for my freshman year at UNH. I've been dabbing through the links above and googled some more. I did find this:

    http://www4.ncdc.noaa.gov/cgi-win/ww...owEvent~330855

    Not sure if this is an accurate site or not, but it looks like it was a bad storm with 58mph winds that blew through the Ossipee area (and blew down trees) on August 25th in the afternoon. You're certainly right, no accounts of tornadoes! Again, thanks for the help. You guys are the best!

    Karl

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