[Araucaria Dx] Estação N0NI

Paulo PV8DX paulopv8dx em gmail.com
Quarta Setembro 2 09:01:10 -03 2020


Estação de conteste conhecida de Toni Radebaugh, N0NI

Sofreu sérios danos

Segundo a reportagem.... O pior problema foi as grandes árvores.
As torres que estavam afastadas suportaram o furacão em IOWA.
Ele promete reconstruir longe das árvores



*The August 2020 Midwest Derecho**- by**Mark**Obermann**, AG9A*

On August 10, 2020, a severe weather phenomenon known as a derecho 
developed over the Midwest, forming near the border of South Dakota and 
Nebraska. It traveled 770 miles at an average speed of 55 mph over five 
states before eventually dissipating over eastern Indiana and Ohio. 
Derecho means straight in Spanish and describes the fast moving and long 
lasting high straight-line speed wind storms that can generate hurricane 
force winds and produce tornados within the thunderstorms. While 
uncommon, they are generally most prevalent in the northern hemisphere 
during the months of June, July and August.

Wide swaths of the Midwest were affected, but the most severe damage 
occurred in several different areas along its path. The highest 
estimated wind speeds reached 140 mph (equivalent to a Category 4 
hurricane) and took place over Iowa. One of the amateur stations that 
sustained heavy damage was the contest station of Toni Radebaugh, N0NI, 
located near Rippey, Iowa. The weather forecast for that day included a 
30 percent chance of rain with no mention of severe storms. The storm 
arrived at around 11 AM. In the roughly 30-40 minutes that followed, ten 
towers were either lost or severely damaged affecting a total of 
thirty-five HF Yagis. With area winds estimated in excess of 100 mph, 
many trees, including seventeen 100-year-old cedars on the west side of 
the towers (and just out of view in the photos) snapped and landed on 
multiple guy wires. This caused the towers to bend and break, bringing 
down the towers, antennas and other nearby towers that may have been in 
the way. The towers and antennas outside of the tree line were not 
affected, including a homebrew full-size 3-element 40 meter Yagi at 
196', a real testament to the robust design of the towers and antennas 
at Toni's station. Toni stated that he had not lost a tower in 43 years, 
but when he finally did, it was spectacular.

In addition to the tower damage, trees came down on the house and the 
surrounding corn fields were crushed by the winds resulting in a total 
loss of much of this year's crop.

Toni vows to rebuild a number of towers and antennas as that is his 
favorite thing to do in Amateur Radio. This time, they may not go up as 
high, and of course, they'll be spaced farther away from the remaining 
trees.


-------------- Próxima Parte ----------
Um anexo em HTML foi limpo...
URL: <http://araucariadx.com/pipermail/araucaria_araucariadx.com/attachments/20200902/be6d9c60/attachment.html>


Mais detalhes sobre a lista de discussão Araucaria