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Spotter Network
About how many tornadoes strike the U.S. each year? - ✔ANSWER 1,000
According to the National Weather Service (NWS), what is the threshold speed for "severe"
thunderstorm winds? - ✔ANSWER 58 MPH
Watching the video below, what should be reported on Spotter Network? (Pink / Blue / Gray
sky - with lightning flashes) - ✔ANSWER Wall Cloud
The first stage of a thunderstorm is the... - ✔ANSWER Cumulus Stage
A person who has been struck by lightning... - ✔ANSWER is in need of medical attention
regardless of any obvious burns.
In the photo below, a severe thunderstorm is in progress moving northeast at 20 MPH. Your
current location is 5 miles southwest of the thunderstorm. Which section (1,2,3,4) of the
thunderstorm would most likely contain large hail? - ✔ANSWER Section 3
Select the three necessary ingredients for thunderstorm formation. - ✔ANSWER Moisture,
Lifting Mechanism, Instability
Upon making two low quality reports on Spotter Network, you will have your reporting
privileges removed and will need to retake the Spotter Network Training. - ✔ANSWER True
The type of thunderstorm that produces nearly all of the significant tornadoes is the... -
✔ANSWER Supercell
, The most likely stage for large hail and damaging winds is the... - ✔ANSWER Mature Stage
A highway overpass is a good place to take shelter from a tornado. - ✔ANSWER False
The ______________ represents atmospheric events varying from a few miles to tens and
hundreds of miles including thunderstorm complexes, frontal systems, and precipitation bands
in tropical storms. - ✔ANSWER Mesoscale
The Enhanced Fujita Scale rates tornadoes based on ________________. - ✔ANSWER the
damage they cause.
In the photo below, you are looking southwest from almost 4 miles south-southwest of
Anadarko, OK. This tornado has been occurring for over 5 minutes. Which tornado report best
reflects what should be reported on Spotter Network? - ✔ANSWER Tornado occurring for 5+
minutes roughly 4 miles SW of Anadarko, OK moving northeast. No damage has been spotted.
Most flash flood deaths occur in homes. - ✔ANSWER False
What cloud type best describes the photo seen below? - ✔ANSWER Shelf Cloud
_____________ systems are weather making inward spiraling, and ascending, circulation
systems
_____________ systems are weather inhibiting descending, outward spiraling systems. -
✔ANSWER Low Pressure
High Pressure