![balloongroup.jpg](/about/events/40thanniversary/pictures/photos/tn_balloongroup_jpg.jpg)
The crowd waits for the balloon
to inflate.
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![noaaopenhousefamily.jpg](/about/events/40thanniversary/pictures/photos/tn_noaaopenhousefamily_jpg.jpg)
A family enjoyed viewing SPC operations.
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![nwsballoonlaunch.jpg](/about/events/40thanniversary/pictures/photos/tn_nwsballoonlaunch_jpg.jpg)
Norman NWS personnel launch a weather balloon. |
![ohballoona.jpg](/about/events/40thanniversary/pictures/photos/tn_ohballoona_jpg.jpg)
Volunteers ready the balloon launch tube. |
![ohballooncrowd.jpg](/about/events/40thanniversary/pictures/photos/tn_ohballooncrowd_jpg.jpg)
The crowd learns about mobile ballooning.
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![ohballoonlaunch.jpg](/about/events/40thanniversary/pictures/photos/tn_ohballoonlaunch_jpg.jpg)
Up and away!
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![ohmobilemeso.jpg](/about/events/40thanniversary/pictures/photos/tn_ohmobilemeso_jpg.jpg)
Mobile mesonet equipment is usually mounted on a
vehicle rooftop.
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![ohnssl6.jpg](/about/events/40thanniversary/pictures/photos/tn_ohnssl6_jpg.jpg)
Sherman Fredrickson shows equipment in one of the
mobile ballooning vehicles.
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![ohpam.jpg](/about/events/40thanniversary/pictures/photos/tn_ohpam_jpg.jpg)
Pam Heinselman answers questions about the model
display.
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![ohpar.jpg](/about/events/40thanniversary/pictures/photos/tn_ohpar_jpg.jpg)
Doug Forsyth explains phased array radar concepts.
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![ohparmodel.jpg](/about/events/40thanniversary/pictures/photos/tn_ohparmodel_jpg.jpg)
Visitors learn about the phased array model and
tornado generator from Pam H and Sebastian Torres..
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![ohpenfei.jpg](/about/events/40thanniversary/pictures/photos/tn_ohpenfei_jpg.jpg)
A visitor learns more about radar from Pengfei Zhang.
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