HOLLY SRT
OPERATONHARDTICK
emanate 3
1,
HOLLY yas letonatad at UO3CM, 21 Vay
thot, poslitened 4,200 Prat yest of Yvonne,
1958,
This «as a barze
The first fix vas cbtainsed
at H+}4 minutes, vhen afreraft rivserts indicated that the cloud was atill
“yishin a fow miles of ground cer and was starting to move to the south»
“aub vary sloyvly,
flaxizcim cleud height vas 15,000 frat.
The clowl
“ecang stabiliced by H15 minutes with tha hop at 12,000 faet and the
base at 7,500 fse%.
At +30 minutes, tha cloud tep nad descended to
9,20 feet, with gaseral movamans “o the vest-eceutinest.
Seafore ths nour
a8 UD, the tlsvd hoesme teo dif:‘used for rodar or visual tracking.
2.
The °2g¥ barrier patrol o2perted on tine and shuttled betusen
ruce and lerey Talends,
At H+55 minutas, he ccntactad the scuthera
2deg3 of the eleud over Ioroy at 3,0C9 fost end reperted 500 m/hr,
3,
A haltecpter survey vas inithated ab JoBC along the asst and
vorth islend3 of
Entuete’.
A qanimva reading of 5,090 me/hr vas srecaded
at 100 Post abova cround zero.
4,
FOP had predictad that tus islaids in the corthaast quedrant
could lie vithin tha 1002 dose sit2as hovovar, the waxpsetadly low
“rida vind Levela,
This caused
1s ?allost pattern to lie within ite
saciala 230 Jegross to 220 dsgre:s,
35 .xdtes,
ith radial distance’ of cpproximately
ith tha axcentiona
of Yroann, cniy
Janst, Lorey ond the isinad3
e
oa
“ps
gtacilized cloud height caused alreat all the ¢talleut to receain in the
cat