383
  .3  (,**.)
 0  -2-ῌ-21 

,   Report on the ,nd International Conference on Volcanic Ash and Aviation Safety
Saburo ONODERA
search, ijXXbh+abke +,**.  0  ,+

 ,.

῍



  , &&l]70'( l53Cmn# &5l4A +  !" #$%&'( )*+ D.C. ,- /* .

5 5o&1%'(-5KqLC ,,0 ` aWLpqe  KqLr

/012 3456789 :;'s< =5>1?670' @AB!"B

B]'( l'( Kq rC ,+ { w,-oox\ C D+EFG$HIJK5LM#

N%670( OP89'Q&R#%& - C.X5Y0Z[/\]70(\]'^_` ab`+W

]'#



SOld TownT C U 5'(V#)*W+,

0

tC +  auv +33+e c ;*  d  3 y zY5 1{ W\z&CwcB]'( KqsW~rC +/ sW0
~B]'(

 E Gc

z5KqLC 1 `B]'( wCq|d ^_`e C SOld TownT 51&2 / km N%6 )#s}W~Z a e # L

*+ D.C. 3&45f62 +* km,

67 !4wvr' 5=07¡hgWh*ih`Q72 +* 85O9:;

%&'51{ 

5

¢YA£ +.

5/B]'( ^_`5<C=>1>?5j`#6'# -Crl]'( ^6 -C

k@# l'mABnCCDoEp\Fῌ&YDG

XXg#q a¤ ¤e 1¥HI#J67B]'( KqLCMp60N5OrPs

6D¦d pqA§kY

Ft5 0$ 5 1u9'(nª4%&70'(  w076'-5 ,  !C vwxQy5
RS1TU  +  a+33+  1 
.V +- z-$%&'(X W Y5 /IAVCEI Y .

* +` ez.KqLCuv« a1s w¬XXe v
 a ¡se \­ . `B]'(!5WLC WX

Zx + {h|Zx,xW[\ + }~ 5]

++ xW[\B]'( ^6 -C  , "

_670A55!¨5dVCw©

!]5`_C + 5 SSymposiumT!5¢£o¤¤C!wab5 Home Page

(www.ofcm.gov/homepage/text/spc proj/volcanic ash/about.html) ®q%& l' !5¯;°±C SConferenceT  l'abA USGS  -C!c(Williamson, ,**.) 5¨%&705(Zde5>fg5XXbh+1TU

J¥%&'! ¦ § SConference BookletT!5

&¦§³´abde OFCM aThe O$ce of the Federal Coordi-²\!a©ªY07C

nator for Meteorological Services and Supporting Re ¸+..ῌ**.+ ´#sv=¹vQ -ῌ0ῌ2p§«¬5®¦§ (Proceedings) 1K­%&'0( aºe zd h*ih`»µ¢¼¶Flight Crew Training Department, Japan Airlines, -ῌ0ῌ2 Haneda Airport, Ota-ku, Tokyo +..ῌ**.+,
Japan.
e-mail : saburo.onodera@jal.com

C®L5¯µ6'°n©!5¶±1²6'0(,ῌ+ 

-5 !5_ EC SAvoid Airborne Volcanic Ash·Anywhere in the WorldT a³%&'5º»¼

384

jV<  Ukl:9:mn0]o).p~*- :9: 0qmgr
Qs HI
123R47EE
Semenzato 9.

MGltuv G.

[9.Es wxy*MGza dG"K rJ{  U῍;῍|} ?@ :UV;|}`L_K)'(Pj  . + ICAO k~D 9:

. k

k9:  +¥y¸»¹¼ k



Ur6FPj

 = DE:9:}5r. Qd:4[5
 R. Romero Z 3RE ICAO"WMO .(Q! M[5 -    ῌ!"#"$ %

T53REE F9. E. Moody

 +33+  + &'( 

ZS = +32,  0 KLG"y)*

KK j US B1.1 78#K

῍ +,-. /*῎pK" ¡

+33+  + !01."2*EqmgKpK"

3#

45 " $6%&'.78*-6K"6 34E U¢£

!9:; <(=> ?@ ./\AB).C**
,ῌ, - 

. +D E ,FGHIJKLMG-.

NOP/0Q123R4ST53R6

 

¤T53R0(¤EE , '¥yk +  , +mgE¦ 3R6

7 8  3 R 4 E NOAA 9 .  J. Mahoney : ; = ¡¢3R§` d3RY¨F

3R NOAA  +322  UV<

0( - +mg . +mw©ªm

W=<>.?@<>X YAZB.

+©£E ¤«C ( ?@DE UW=<>BF[-ῌ+ X)G\Q]^ H )I + E ¬­ ¥

0Q USGS  C. Groat J.S3RE USGSG_`a,bcK; USGS L*a_d®¯_°±h² E. Friday :;¦..>\
AVO  T. Miller :;) / ¥M`smg  jedLf?0g USGS  UMh-V<"

cK;NiFOPj- Q3R4E FAA kFederal Aviation Administration, RS l  T3#U3#VWXY.  J. Schear Z [ Z m g n o ,*  D .

Ukl"5v! +33+  + ῌ ?@DE³¥)'(I%¥M`sI.T´DV*µ¶³¥S=§0
 , E:4 ¬!"# $%­ .¥

pqrs9 U\tS], 2* 1 ^_],E9],0u`a],vwbxLy¬.­w +®E¯0I¹` dc

kzbcx{  d Ce$|;῍ f)S. Forbes :;

S=gh06%&'^_( I FAA EDE9:}5 UMhG\Q]^ Hi0( NASA  R. Birk Z3R NASA E ¦.Ea·h²h¨©ª«¸C¥yER°±9:; ²h²:40u / ³I

I4¦³ k´4 E+µ ¶·; Fk kVolcanic Ash Advisory Center,
ºK d





U

"+ ºup_: , QS»³¼

385. VAAC 34'(567# : ICAO,WMO ;QS T"f$ pqrU,s

98$ Vetu$ vwDxD<y$ 7Q$ B,(-. 2 W;,s9:

X$ 1J VAAC  $ ziZD

I/0{YZ|[4X5; 9:/

389:# : FAA, USGS,

NCAR, AVO (-.; 1 j 9:\

2Y]^3 _`}  ~abc 2)*+?dE+ef(3 g+$ pq!phiῌj+  -ῌ-  ;<=>
JK ,Qª«I/!p-.a­®¯_2?{°±E²H 2JK?¹3 ziZD

klm$ ziZD / noSpqSziZDrs .. j$ ,jsb
: cIa "f?t./01
p_$  -* j;$ u v 2*ῌ w  

ziZD? CSIRO 2Commonwealth Scien--ῌ,  

tiﬁc and Industrial Research Organization, Di=<[ / 


\ix`yz03  A. Prata {| ml{|$ !;~"*/}: + :  !" #$ !

%$>a$ +33* - +JE`a"0DZaN: $ &' () , : *+,

!na X Y - : "-$ ./01

 !n Sakura +WS¡mA$  . : VAAC 23 4+,5"`  !nYX¢a$ & / :  !4!£!;~&¤_¥a¦ ;$ziZD Eruption Cloud

6789:+   !"# : 0 ; ,**- /<=> ?$ @!+"#$%A"% &' (9:,*** )*+B,CDEF VAAC -.GHI/0 21J
VAAC3 K23L45M6> NOP

Echo Measured with C-band Weather Radar

225

3$ Improvement of Ash Cloud Information by Tokyo
VAAC

2YZ|[X53$ GH Operational Volcanic

Ash Plume Prediction Model PUFF at the Japan Airlines
22? {X53 2JK ,3  - j9:;§ziZD?2{|$ I/0¤(7Q  -.;$ R / 89:

MS C ¨yI/©DCDa$ ST"#;<5U9=VW

GH".ªaR; «V ¬>.S_ $ ­® a ¯A;,
, $%&'()*# : 7QXY¡°  

P $ YZ{¢£±$ I/

Z[\X?@7(6Q-X]^A_

04²_1J VAAC rU9¤+¥¥ª`a?B$ 2 ; 9:

CD+E`F

2?{| +323 \<idX[

bGH5;cIJK?Lde<aM 

CE=>  4¤³M

f  9:&¦9 PUFF Model  $ ,§¨+- +, -./,012# : 7

¥© a l ´µ\QXB,XdgCXYZ[\Xh<i]^; 1y1ª«I/!p-.(a¬QXI/pqj 9: 5$ [/D=klNapBa

"aOPAm*$_!n>QRoeD-ῌ. ?@dD; 9:8¶D·§ ++ 8¸;§¨¼©

386

 ,   (,) *~T C; B To  n wxB$%BN rv
}o '&'jf

  - 

!" - #% &' + $!", 

'&' )vh
f vAdvanced Satellite Aviation-Weather Projectw -  

 

 NASA @Anxrs yToTXpzqEF
fjklhun{n FAA @A|3r}abN 
-  (!" . #&) . ! "# / $%&'()*+&',  -. 0 VAAC

/01

~s|3&+ 4zq-.
(-) Bo Ns1 234 56

kN"#B¡s ¢+£¤¥N¢¦§h
f+t  &'- u/

78
. 

 . *+#&)+ ,#-. 2 9:;:<= >:?

>@vwx yEFzEFf{ website EPEF ICAO@ABCD:BEFGH 3 IJBAKLM >:?@A
NOPH +* QRB:SKABTU ++ V:;:<

|T)

F
f=>EP*4lm*}~ $jk0|30BC= >WXYZD:BS[K\]XB^RB_`a;a0 @KC*0^_g% { 

f @KC*0^_g#bpIF?XYGH! ++ / 0+

jkl

,12345 !"4##6$% &'( * )'*)

h[,e6[&+ $0*%(.) '¨©ªN«¬jo ­h®¯N °±+ ,- Proceedings 7.

jJ²'N7³´µ¡so gh¦ ¶·/ 0*12-83 9: ;

N¸¹¡

 2< =: >>4?56%@A7()

fU $]R VAAC 4?|3J4

;<D=>?@ CEF GD

U% UnrEQ

HI0AB#1 83 9:>>4?

WMO, ICAO, 4?89&`(jM,\E

89BC :-

89CJ*:K=: L?)7M*N12F>D?OD 4?89EPEF=>*12*)1FABHIF
f IAVCEI & @A ¡  @ABjklxun{SX ¢  jk£* :-@A* DGG4HI- QIJ- KC*¤X *{ Q IAVCEI ¥¦LRFSMNOPQTDNUV/ >D 4 WR%S XT

4z-§¨F
fjklhun{ C©EF ª * Y# 489NU1VIFZ#--ῌ/ b cWR[ 16§"-«ª¬­ ®/¯&EF
WJ

X$Y\#A]!" >^ Z_`(,- *abc#[
-ῌ/ῌ+ d bc`d!""e#\-ῌ/ῌ, º»R`( "°ª(t6uvwx$%yzGo N{|}h
f^_g>^&'h`aAb
f@A7)cEF ;/ !&>< -i
fjklmdn oefpBqWg3
frs*tjklB$hu>^(=>&[fijmd0jkljkn oelmhQ¡ e*aAD

SF

4E

F
(+)

(+) *efghi jkklmno pqr s$!"]%¼

OFCM jkl§¨

ICAO ±4EF?OBC0C©BC ²³zq ´µ¶
(,)

ab



v·F ab¸¹*N¹ $+ !&%

¹ $+º. % $% 1@A7 Q£#&+- h[,ebIF
#» ¡?F (Tanaka et al., ,**.) ¢- b£=>Bt UpLink *
#¤¥n ^_g#B>IF 1¦D%  ¶+P , 'a·$%-V¼rs*tFlVWDu vw  x .+*  
 

(-)

   

S4; Zy p :;=a   

(.)

387

 + !"

OFCM #$% Proceedings &ῌc+. :# &)i 5ms`+y`z{|,}t/¡0~ ¢c$£ `O£¤l¥P*;Y0  vZyvvGr. VAAC 

vG |l#E/S~vG +bc+&'$%( % ) -  *+¦ :§. : F¨[

,-./0 !#1"$, ,  #23454

Aym¥P*© k0 ¢ª

D.C. 678 NOAA #$ 9:;<4=%>?4@

Y«+bCD¬l0­WD

A@:4BA 23454 VAAC CD$, EF®)T#ªFm[Ak-  #AGHIJ4&'()*KL+M;N*+O$,-PQRS@3T4, E/U/-./0 -V.
##WX0/YZ*0[\]^1_`
0/ &'$%#2a34+b / c+,d-.]
 2a34  e56fg7[h[#8'i9FjkXFl:;.#mno/0^< =34c+*# Z>?,$%@AB
pqr-V.sCDEF t u vGHw Z>?  IJK[LMNm,xyFz>{go/0
O P + '$%QR|l#E/o}*S~
0 USGS  T. Casadevall )TrVUVWDXY1 Zy+WDBN;@[, &'#Co/]fX0#rr\]*8X0 $%# USGS
fo OFCM ^0ic_560 D.`#'FW ab] D. c]+,&)id./Fl efc  ce56ghc*ic]<j (Kamo et al., +33.)
 k (Onodera and Kamo, +33. ; lmnῌo+331) ] p*iiqfo c 5

Kamo, K., Ishihara, K. and Tahira, M. (+33.) Infrasonicand seismic detection of explosive eruptions at Sakurajima volcano, Japan, and the PEGASAS-VE EarlyWarning System. In Volcanic ash and aviation safety :proceedings of the ﬁrst international symposium on volcanic ash and aviation safety, U.S. Geological Survey Bull.
,*.1, -/1῍-0/.
Onodera, S. and Kamo, K. (+33.) Aviation safety measures for ash clouds in Japan and the system of Japan Air
Lines for monitoring eruptions at Sakurajima Volcano.
In Volcanic ash and aviation safety : proceedings of theﬁrst international symposium on volcanic ash and aviation
safety, U.S. Geological Survey Bull. ,*.1, ,+-῍,+3.
lmn¯ῌ°±ῌ²³ (+331)   c56´µ VWD5w
 .*B῍+, 1-῍2+.
® (+33+)  ¶+P^'a·34¸¹º»  -0 ./1῍./3.
Tanaka, H., Onodera, S. and Nohara, D. (,**.) Operational volcanic ash plume prediction model PUFF at theJapan Airlines. In Proceedings of the ,nd International
Conference on Volcanic Ash and Aviation Safety, OFCM
(in press).
Williamson, S. (,**.) The ,nd International Conference
on Volcanic Ash and Aviation Safety Conference Booklet. The O$ce of the Federal Coordinator for Meteorological Service and Supporting Research, .-+῍.-+..