Slum waves may memlore axnve long belure a
cydmut depmssxon ur humane, and llre flange 0)
wave bear 5 ves warnrng m llre shale eraus. buds. llsn,

 

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FIIIHIE
YDRNADOES

Unllkl hummus rumours recur nvzv Imfl ml sea lmm shuv
m-cls al III! III/mm" a: ha‘ and ml! all masses, creamw lnlm
law-0mg“ rams

 

 

 

 

and lunlrs, who ellher mks shelter Mind or go lo sea
to esrape lne appruaelnng nurrrrana

As modern salellur pnalugraplrsare usad |0 lmtk me
lrurrrrane, mere rs usually a law days‘ warnrna lar
coaihl areas, and evatnanon rs sunreurnes onimd
Well—burn (owns (sun as Darwrn, Analralla, aller us
cydoulc devaslallan m lam ean wrlrrsrand cyclones
wuh rnrnrnral damige, hm surn amumess rs usually
unly bum rn aller an lnlhal (and sarneunres rurall
dlslmclinn ll rs ynsnble m smelly regulale and
supemse bulldlngs to ue sale rn humcanes, and In
areas wlrere nrnlsy eunsrrumons are nurrnal, \o dlg
reluge Henchrs and caves lur emerguuy shelter All
such shelter rnusl be In welldmmzd lnllsrdesrles

TORNADOE
Hurrlcanes are large, slow yhenamena (overlng
hundreds a; square rnrles, and mainly eunlrned |o
euasls lanng lug: suelenes of rrupnal seas, wrlll my
Inga heal «lb. Tornadoes, however, may mr rn qnlle
ruld rnland fleas, lasl unly seconds or nunules. and
nflzd unly a lew square knumlm Thus, lllsy “sunny
escape ddldion by srlalllle and ground sensors,

Nevmheless, llre messes Flared an bundmgs, cwxl
runslruellans, rlrarnrcal or nuclear lac es, arrlrelds
and Vllluges can be drsasnuus Mud speeds may men
all km/h, al wursl 230 km/h,‘ rlrase speeds ran weed
nurrleane wrndlere mndrlrons [or lornadues are:

. Thundelskxmls wuh taskgmwmg cumulonxlubus
cloud:

- A persrslenl sauna ol warm rnursl arr |u Iced llre
updnughl nde ul llre fmm,

. An mplfl ol rold dry niremuing llresyslern lmm
anuumrdinmomand

- A vortex lannalran m rlre muhmg srorrn; llus
niches lhe gum-"d as a lunuda, caused by wlndrshear
elveas al me border 0! llrr municung syslern, ar as a
annual dusl slurrn rn desens

Ellscls- Trees rwrsled oi! and brulren; peuple and

 

 

mulls 5.2:
nassmms

 

llvr wlurs a

 

Zimwm

mum: an oval: me larnaua (Sammy al mll elasu, and masssamd lumlna mules mmdlulnunynlmnnrss

 

131