How to Be a Storm Spotter
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How to Be a Storm Spotter

Learn how to be a storm spotter and know what the weather will be.

Like the old saying, “everyone talks about the weather, but there isn’t anything you can do about it”. That is true, but you can learn to forecast it, report it and be a storm spotter.

Many groups and agencies need amateur meteorologists to monitor and report the weather. The National Weather Service (NWS), flood control engineers, police and fire agencies, the media and scientist all need your reports of the weather. Many tornado warnings are issued after an amateur meteorologist or storm spotter has spotted a funnel or tornado. Rain reports are needed to monitor streams, creeks and rivers for possible flooding. Even if the rain wasn’t very heavy, reports are needed since more rain the next day can saturate already soaked ground giving the NWS information on possibly issuing a flash flood watch and where they should issue it. Wind damage reports are needed along with power outages. Snow depth and drifting reports are needed for road conditions and possible road closures.

There are sophisticated and simple weather stations you can buy depending on how much you can spend. Most of these will give you the temperature and record the high and low, barometer, a rain gauge and an anemometer, which measure wind speed and direction. Many of these go directly to your computer. You can use or buy an older computer and dedicate it for your weather station.

You can also measure and report the weather without much of a weather station. There are many plastic rain gauges you can just put in a clear spot in your yard that are very accurate. Measuring snow just takes a yardstick or a measuring tape. To measure how much moisture is in the snow, simply bring it in and let it melt, then measure how much precipitation is in the container. And hail is measured by its size, you can actually measure it or compare it to items such as marbles, pennies, quarters, golf balls and if you’re in a really bad storm baseballs and grapefruits.

A weather station would come in handy with wind, wind gusts and rainfall rate reports. The rainfall rate is usually measured as inches per hour. Though in very heavy rainstorms where flash flooding is a possibility, it can actually be measured in inches per 10 minutes or so. A storm where you measured 1” of rain in 10 minutes would equate to 6” per hour. You might not get 6” since it might not rain for an hour or that hard for an hour. But those types of reports give forecasters an idea of what is going on in certain locations.

 Hail clouds with the turquoise color and baseball size hail.                    Photo by Northfielder

Getting trained as a storm spotter

You can do this on your own and take measurements and report them or you can actually take a class and become a trained weather spotter. All of the local NWS offices have training sessions on learning to recognize severe weather. You would be taught the difference between a rain shaft and a hail shaft and the difference between those two and a funnel or tornado. Many times a simple rain shaft can look like and does get reported as a funnel cloud. You would also be taught the terminology to use and how to properly measure rain and snow. Measuring snow sounds pretty simple, but when you have drifts all over it isn’t that easy. You will learn to recognize the different clouds and what they mean and especially what the signs of a possible tornado will look like before there is a funnel.

You can find your local National Weather Service office and look on the main page for classes or storm spotter classes. That should list all the classes in nearby towns and the dates and locations. If you can’t find a list of classes just call and ask them. Spring is the time most classes get ready to start since it is also the beginning of the severe weather season. Also some CoCoRaHS sites offer training and education as well and some of them offer online storm spotter training sessions; see below for their web sites.

Where to Report your Storm Information

The weather service wants your reports. On every NWS web site, there is a link to report your severe weather reports. There is a group in almost every state called Community Collaborative Rain, Hail and Snow Network, CoCoRaHS (pronounced like coco rahs). Here you can find your local CoCoRaHS by state organization. You can also buy certified rain gauges and other instruments through them.

Tools to measure the weather.

There are numerous companies that specialize in weather instruments and entire weather stations for all price ranges. Here is a list of the most known companies.

  • Taylor Instruments
  • La Crosse Technology
  • Oregon Scientific
  • Davis Instruments
  • A weather radio is very helpful alerting you to storms

Oregon Scientific weather station WMR100

Storm Spotter Safety

There are some safety tips that you should always remember when watching severe weather. They are easy to forget in the heat of the storm. You shouldn’t go running outside in the middle of a tornado, even if the tornado has just passed you, there still could be debris flying around or even another tornado. You shouldn’t try and outrun a tornado or drive in front of a tornadic storm. When standing outside watching the storm for a tornado, remember there is also a lot of lightning as well. You might be tempted to run outside and check the rain gauge after 15 minutes; again the lightening is a threat. I have seen a storm pass and the sun shining brightly with continuing nearby lightening strikes.

Being a storm spotter, watching, monitoring and reporting weather conditions is not only needed by these agencies it is fun and could also save lives.

© 2009 Sam Montana

Other weather related articles:

How a tornado forms

How snowflakes are formed

Facts About The Dust Bowl

How hurricanes form

 

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Comments (4)

Good one!

I had no idea how any of this worked. Thank you for such an informative post!

Being a storm spotter is not just a task, it is actually a responsibility of every individual within the community to immediately report possible storm formations on the area. This will help other people and government agencies to prepare themselves for possible disasters. Thank you for sharing this informative and excellently written article. Keep it up! Voted and shared.

Mark, this is the time of year (early spring) that all of the National Weather Service offices are holding their storm spotter classes. Just go to your local NWS web site to find dates and places for these classes.

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