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Nkfq;fisg; gw;wpj; jpUkiw


;mwptpayhsHfs; Nkfq;fisg; gw;wp Muha;r;rp nra;j NghJ> kioiaj; juf;$ba Nkfq;fs; rpy Fwpg;gpl;l Kiwapy;>  rpy epiyfisg; gbg;gbahf mile;J> ,tw;Wld; fhw;Wk;> rpW rpW Nkfq;fSk; ,ize;J mit ahTk; xU Fwpg;gpl;l Kiwiag; gpd;gw;wp kio jUk; Nkfq;fshf khWfpd;wd vd;W fz;Lgpbj;Js;sdH.

Nkfq;fspy; kioiaj; juf;$ba Nkfq;fs; (Cumulonimbus Clouds) vd;nwhU tif Nkfk; cz;L.  ,e;j tif Nkfq;fs; vt;thW cw;gj;jpahfpd;wd vd;gijAk;> mit vt;thW kio jUk; Nkfq;fshfTk;> Myq;fl;b Nkfq;fshfTk; kw;Wk; ,biaAk; cw;gj;jp nra;af;$baitahf khWfpd;wd  vi;W thdtpay; Muha;r;rpahsHfs; Ma;T nra;jjpy;> mit fPo;f;fz;lthW jhd; cw;gj;jpahfpd;wd vdf; fz;Lgpbj;jdH.

1. Nkfj; jpus;fis fhw;W js;spf; nfhz;L nry;Yjy; :

Figure 17 (Click here to enlarge)

Figure 17: Satellite photo showing the clouds moving towards the convergence areas B, C, and D.  The arrows indicate the directions of the wind. (The Use of Satellite Pictures in Weather Analysis and Forecasting, Anderson and others, p. 188.)  (Click on the image to enlarge it.)

Figure 18 (Click here to enlarge)

Figure 18: Small pieces of clouds (cumulus clouds) moving towards a convergence zone near the horizon, where we can see a large cumulonimbus cloud. (Clouds and Storms, Ludlam, plate 7.4.)   (Click on the image to enlarge it.)

ePHj;Jfs;fisf; nfhz;l rpWrpW Myq;fl;b Nkfq;fis> vq;F kioiaj; juf;$ba Nkfq;fs; Ftpe;Js;sdNth mtw;iw Nehf;fp fhw;whdJ Kjypy; js;spf; nfhz;L nry;fpwJ. (glk; 17,18).

2. ,izj;jy; :

Figure 19 (Click here to enlarge)

Figure 19: (A) Isolated small pieces of clouds (cumulus clouds).  (B) When the small clouds join together, updrafts within the larger cloud increase, so the cloud is stacked up.  Water drops are indicated by . (The Atmosphere, Anthes and others, p. 269.)  (Click on the image to enlarge it.)

rpWrpW Nkfq;fshf ,Ue;j midj;J Nkfq;fSk; fhw;why; xd;W jpul;lg;gl;L> ,itfs; vy;yhk; ,ize;J kioiaj; juf;$ba Nkfq;fshf cUthfpd;wd.* (glk; 18,19).*See The Atmosphere, Anthens and others, pp.268-269 and Elements of Meteorology, Miller and Thompson, p.141.

3. Ftpj;jy; :

fhw;why; Ftpf;fg;gl;l rpWrpW Nkfq;fs; vy;yhk; ,ize;J xU Nkff;Ftpaiy  nrq;Fj;jhf cw;gj;jp nra;fpd;wd. Ftpaf;$ba ,e;j Nkfq;fs; Nkfj;njhFjpapd; ntspg;gFjpia tpl kj;jpa  ghfk;   mjpf vil nfhz;litahf ,Uf;fpd;wd.* Nkff; Ftpaypd; kj;jpa ghfj;jpw;F mUfpy; cs;s vil mjpfk; fhzg;gLfpd;w gFjpia> mjidr; Rw;wpAs;s Nkfj;njhFjpfs; FspHr;rpapdhy; Vw;gLk; jhf;fj;jpypUe;J kj;jpa ghfj;jijg; ghJfhf;fpd;wd. nrq;Fj;jhf cauf;$ba ,e;j Nkfj;njhFjpfs; thdntspapd; FspHe;j gFjpfis Nehf;fp caHe;J> kioiag; nga;tpf;ff;$ba Nkfj;njhFjpfspd; ePHj;jptisfis FspHtpf;Fk; mNjNtisapy;> Nkfj;njhFjpfis NkYk; NkYk; ngUf;fkilar; nra;fpd;wd. (glk; 19(B), 20,21). nrq;Fj;jhfg; ngUf;fkilaf; $ba Nkfj;njhFjpfspd; ePhj;jptisfspd; mlHj;jp mjpfkhf mjpfkhf> mjidr; Rw;wp ,Uf;ff; $ba ePHj; jptisfSf;F nrq;Fj;jhfr; nry;yf; $ba Nkfj; njhFjpfspd; mjpf viliaj; jhq;ff; $ba my;yJ mtw;iw epiyahfg; gpbj;J itj;jpUf;ff; $ba tYit  ,oe;J> Nkfj;njhFjpfspy; cs;s ePHj;jptisfis my;yJ Moq;fl;bfisj; jhq;ff;$ba rf;jpia nkJnkJthf ,of;fj; Jtq;fp> gpd;dH me;j ePHj;jptisfs; kioahfNth my;yJ Moq;fl;b kioahfNth G+kpia Nehf;fp nghopaj; Jtq;Ffpd;wd* vd;w cz;ikiaf; fz;lwpe;jdH.

* The updrafts near the center are stronger, because they are protected from the cooling effects by the outer portion of the cloud.

**(See The Atmosphere, Anthes and others, p. 269, and Elements of Meteorology, Miller and Thompson, pp.141-142.)

Figure 20: A cumulonimbus cloud.  After the cloud is stacked up, rain comes out of it. (Weather and Climate, Bodin, p.123.)

Figure 20

Figure 21

Figure 21: A cumulonimbus cloud. (A Colour Guide to Clouds, Scorer and Wexler, p. 23.)

,ijNa ,iwtd; jd; jpUkiwapy; ,t;thW $Wfpd;whd; :

(egpNa) ePH ghHf;ftpy;iyah?  epr;rakhf> my;yh`; jhd; (gy ghfq;fspypUe;J) Nkfq;fis nkJthf ,Oj;J> gpd;dH mitfis xd;whfr; NrHj;J> mjd;gpd; xd;wpd;Nky; xd;whf ,izar; nra;fpd;whd;: (gpd;dH mk;Nkfq;fshd) mtw;wpw;F kj;jpapypUe;J kio ntspg;gLtij ePH fhz;fpwPH: mtNd thdj;jpYs;s kiyfspypUe;J Myq;fl;biaAk; ,wf;fp itf;fpd;whd;: (my; FHMd;> 24:43).

1400 Mz;LfSf;F Kd;dH ,iwtd; $wp ,Uf;Fk; ,e;jg; NgUz;ikfis> ,d;iwa tpQ;Qhdpfs; mjpetPd fUtpfshd rpwg;G tpkhdq;fs;> njhiyj; njhlHG nraw;iff; Nfhs;fs;> fzpzpfs; (fk;g;A+l;lHfs;)> tpz;ntspapy; kpjf;Fk; gYhd;fs; kw;Wk; fhw;iwAk; mjd; Nghf;Ffis mstpLk; fUtpfs;> fhw;wpd; <ug;gjj;ijAk; mjd; khWghLfisAk; mstpLk; fUtpfs; kw;Wk; tsp kz;lyj;ijAk; mjd; khWghLfisAk; mstpLk; fUtpfs; Mfpatw;wpd; Jiz nfhz;L Nkfq;fspd; nray;ghLfisg; gw;wpa cz;ikfis rkPgj;jpy; jhd; fz;lwpe;jdH. See Eejaz Al-Quran Al-Kareem fee Wasf Anwa al-Riyah, al-Sohob, al-Matar, Makky and others, p.55.

NkNy ehk; fz;l ,iwtrdj;jpd; njhlHr;rpahf....mtNd thdj;jpYs;s kiyfspypUe;J Myq;fl;biaAk; ,wf;fp itf;fpd;whd;: mjidf; nfhz;L mtd; ehbatHfisg; gpbf;fr; nra;fpd;whd;.  ,d;Dk;> mtd; ehbatHfis tpl;L mjidj; jpUg;gp tpLfpd;whd;: mjd; kpd;dypd; xsp ghHitfisg; gwpf;f neUq;Ffpd;wJ. (my; FHMd;> 24:43).

NkNy cs;s trdj;jpd; Kd; ghfk; Nkfj;ijAk; mJ nghopAk; kioiaAk; tpthpj;J tpl;L> mjd; njhlHr;rp fUf;nfhz;l Moq;fl;b Nkfj;ijg; gw;wpAk;> mJ ntspg;gLj;Jk; kpd;diyg; gw;wpAk; tpthpf;fpd;wJ.

,d;iwa tspkz;ly ,ayhsHfs;> kioiag; nga;tpf;ff; $ba fUf;nfhz;l ,e;j Nkfq;fs; 25>000 mb Kjy; 30>000 mb (4.7-5.7 iky;fs;) tiu cauk; nfhz;litfshff; $l ,it cUthfpd;wd vd;W fz;Lgpbj;Js;sdH.* *Elements of Meteorology, Miller and Thompson,p.141.

,ijNa jd; jpUkiwapy;> ,iwtd;> .. .. .. mtNd thdj;jpYs;s kiyfspypUe;J Myq;fl;biaAk; ,wf;fp itf;fpd;whd;... vd;W $wpAs;shd;. (glk;;21).

NkNy cs;s jpUkiwapd;   trdj;jpd; ,Wjpg; gFjpapy; $wg;gl;Ls;s> ... mjd; kpd;dypd; xsp . . . vDk; thrfk; ekf;F xU Nfs;tpia vOg;Gfpd;wJ.  mjhtJ> kpd;diy cw;gj;jp nra;tjw;F Nkfq;fs; Kf;fpa fhuzpahfr; nray;gLfpd;wdth? vd;gJ jhd; me;jf; Nfs;tpahFk;.  ,ijg; gw;wp tsp kz;ly ,ay; gw;wpa Gj;jfk; vd;d $Wfpd;wJ vdg; ghHg;Nghk;.

Myq;fl;b kioahdJ Nkfj;njhFjpfspd; mjpf FspHe;j  ePHg; gFjp kw;Wk; gdpj;Jfs;fshf khwp tpl;l gFjpfspd; kPJk; tpOk;  nghOJ Nkfq;fs; kpd;fhe;jg; Gyd;fisg; ngw;witahf khwp tpLfpd;wd. Nkfj;jpy; cs;s ePHj; jptisfs; gdpj; Jfs;fshf khwp tpl;l Myq;fl;bAld; NkhJk; NghJ> me;j ePHj; jptisfs; ciwepiyia mile;J> mg;nghOJ kiwthd ntg;gj;ij ntspapLfpd;wd.  ,e;j ntg;gkhdJ> Myq;fl;bg; gFjpapd; Nky;Gwk; mjidr; Rw;wpAs;s gdpj;Jfs;fis tpl kpjkhd ntg;gj;ij ngw;wpUf;f cjTfpd;wJ. ,e;jg; gdpj;Jfs;fs; Myq;fl;bAld; ,izAk; nghOJ jhd; fPo;f;fz;l Kf;fpakhd epfo;r;rp eilngWfpd;wJ.

ehk; Vw;fdNt $wpapUe;jgb> kpd;fhe;jg; Gyd;fisg; ngw;wpUf;Fk; Nkfj; njhFjpapy; cs;s kpd;fhe;j Gyd;fspy;>  FspHe;j epiyapy; cs;s gFjpapypUf;Fk; (vyf;l;uhd); vjpH Kid (-)  MdJ kpj ntg;g epiyapypUf;Fk; gFjpia Nehf;fpg; gha;fpd;wJ.  ,jd; tpisthf Myq;fl;bg; gFjpahdJ kpd;fhe;jg; Gyd;fspy; vjpH Kidia (-) g; ngw;witahf khWfpd;wJ. NkNy ehk; fz;l ,Nj tpisT>  kpf mjpf msT FspHe;J tpl;l gdpj; Jspfs; Myq;fl;bg; gFjpAld; ,izAk; NghJ NeHKid (+) nfhz;l rpd;dQ;rpwpa Jfs;fshf cilfpd;wd.  NeHKid (+) nfhz;l kpfr; rpd;dQ;rpwpa gdpj;Jfs;fs; Nkfj;njhFjpapd; Nkw;gug;Gf;F vLj;Jr; nry;yg;gLfpd;wd. vdNt> ,e;j kpd; fhe;j tpid %yk;> Nkfj;jpd; fPo;g;gFjpahdJ> vjpHKid nfhz;l Myq;fl;bg; gFjpahf khw;wg;gLfpd;wJ. ,e;j vjpHKid jhd; kpd;diy ntspg;gLj;Jfpd;wJ.  ,jd; %yk; Nkfj; njhFjpapy; cs;s Myq;fl;bg; gFjp jhd; kpd;diy cw;gj;jp nra;fpd;wd vd;gij ehk; mwpe;J nfhs;s Kbfpd;wJ> vd;W tspkz;lyk; gw;wpa me;j Muha;r;rp Ehy; jd; fz;Lgpbg;ig ntspapl;Ls;sJ. Meteology Today, Ahrens, p.437. gf;fk; 26 y; ,Uf;Fk; glj;ij ,q;Nf NghlTk;.

kpd;diyg; gw;wpa ,e;j Muha;r;rpfs; ahTk; rkPgj;jpy; jhd; fz;Lgpbf;fg;gl;ld.  fp.gp.1600 tiu tspkz;lyk; gw;wpa nfhs;iffspy; mhp];lhl;bypd; fUj;Jf;fs; jhd; Kd;dzp tfpj;jd.  tspkz;lyj;jpy; ,Utifahd ePuhtpfs; (Exhalation) cs;sd> mjhtJ <ug;gjkhd kw;Wk; cyHe;j ePuhtpfs; cs;sd vd;Wk;>  tsp kz;lyj;jpy; cs;s cyHe;j ePuhtpahdJ mjidaLj;Js;s Nkfj;Jld; NkhJk; NghJ ,b cz;lhfpd;wJ vd;Wk;> me;j cyHe;j ePuhtp vhptjdhy; fpilf;Fk; [_thiy jhd; kpd;dy; vdTk; mhp];lhl;by; $wpdhH.* tspkz;lyk; gw;wp 1400 Mz;LfSf;F Kd;dhy; njspthd nfhs;ifia ,iwkiwf; FHMd; nfhz;bUe;j Neuj;jpy; jhd;> mhp];lhl;by; Nghd;Nwhhpd; fUj;Jf;fSk; cytp te;jd vd;gJ kdpjHfs; rpe;jpf;f Ntz;banjhU tprakhFk;.

*The Works of Aristotle Translated into English : Meteorologica Vol.3, Ross, and others, pp.369a-369b.

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