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Thread: CoCoRaHS- Precipitation monitoring by the masses

  1. #1 CoCoRaHS- Precipitation monitoring by the masses 
    Comet Dust Collector Moderator
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    Useful citizen Science:


    CoCoRaHS is a grassroots volunteer network of backyard weather observers of all ages and backgrounds working together to measure and map precipitation (rain, hail and snow) in their local communities. By using low-cost measurement tools, stressing training and education, and utilizing an interactive Web-site, our aim is to provide the highest quality data for natural resource, education and research applications. The only requirements to join are an enthusiasm for watching and reporting weather conditions and a desire to learn more about how weather can effect and impact our lives.

    Our Web page provides the ability for our observers to see their observations mapped out in "real time", as well as providing a wealth of information for our data users.


    CoCoRaHS - Community Collaborative Rain, Hail & Snow Network


    CoCoRaHS - Community Collaborative Rain, Hail & Snow Network

    GetMap.jpg


    Intro youtube:

    http://www.youtube.com/cocorahs/


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  3. #2  
    Moderator Moderator
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    I like projects like this. I gets the public involved, is simple and more useful to scientist than most can imagine.

    Now that I'm retired from the military and home more I'll probably pick one up. Perhaps share with my kids when I starting teaching.


    Meteorologist/Naturalist & Retired Soldier
    “The Holy Land is everywhere” Black Elk
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  4. #3  
    Comet Dust Collector Moderator
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    Indeed. It is used by the NWS, State Climatologists, Hydrologists, in drought forecasting...and takes 5 minutes a day to read the gauge and report the data. Or more for some geeks like me who take readings several times a day during rain or snow events, but that's just gravy for those that are really into it.
    It's been an incredibly wet year here in NJ; I've had 76.30" (46" is normal, so 66% above normal) already in 2011 with 3 weeks to go.
    Two CoCoRaHS sites have already exceeded the previous state record for a calendar year.
    11 are over 80", 42 over 70 ", and 88 over 60".
    Most of that excess has occurred in the last 105 days; the river in my town has flooded 3 times since then; in the previous 95 years, flood stage was exceeded only 14 times. The CoCoRaHS data was crucial in providing timely flood warnings. During Irene or Lee (I forget which) the radar estimated rainfall was 50% of the actual, without this data, the NWS might have never known how serious the situation was.

    In NJ, a rather small state, there are about 180 regularly reporting stations; that 10-15 times the density of the official NWS sites.

    Lets see, you're in Washington, right? Looks like there' only about 260 in the (much larger) state who report regularly. So your data would be appreicated!

    WeatherWayne
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