/*NP*/ void
plot_barbs (void)
/*************************************************************/
/* PLOT_BARBS */
/* John Hart NSSFC KCMO */
/* */
/* Plots wind barbs along side of thermo diagram. */
/*************************************************************/
{
short ii, xx, yy;
float lastpres;
setcliprgn (1, 1, xwdth, xhght, draw_reg, gc);
lastpres = 1100;
for (ii = 0; ii < sndgp->numlev; ii++)
{
if (qc (sndgp->sndg[ii].drct))
{
yy = pres_to_pix (sndgp->sndg[ii].pres);
xx = skv.brx - 40;
if ((sndgp->sndg[ii].hght - i_hght (lastpres)) > 400)
{
wind_barb (sndgp->sndg[ii].drct, sndgp->sndg[ii].sped, xx, yy,
4);
lastpres = sndgp->sndg[ii].pres;
}
}
}
}
/*NP*/
void write_file2( char *filename )
/*************************************************************/
/* WRITE_FILE */
/* John Hart NSSFC KCMO */
/* */
/* Writes contents of sndg array into SHARP95 file. */
/*************************************************************/
{
short i, j;
short idx[7];
float sfctemp, sfcdwpt, sfcpres, j1, j2, ix1;
struct _parcel pcl;
char st[80];
FILE *fout;
idx[1] = getParmIndex("PRES");
idx[2] = getParmIndex("HGHT");
idx[3] = getParmIndex("TEMP");
idx[4] = getParmIndex("DWPT");
idx[5] = getParmIndex("DRCT");
idx[6] = getParmIndex("SPED");
fout = fopen( filename, "wt" );
if (fout==NULL)
{
printf("Unable to write output file!\n" );
return;
}
fputs( "%TITLE%\n", fout );
fputs( raobtitle, fout );
fputs( "\n\n", fout );
fprintf( fout, " LEVEL HGHT TEMP DWPT WDIR WSPD\n");
fprintf( fout, "-------------------------------------------------------------------\n");
fputs( "%RAW%\n", fout );
for(i=0; i<numlvl; i++)
{
for(j=1; j<=5; j++) fprintf( fout, "%8.2f, ", sndg[i][idx[j]]);
fprintf( fout, "%8.2f\n", sndg[i][idx[6]]);
}
fputs( "%END%\n\n", fout );
if ((numlvl<4) || (!qc(i_dwpt(700, I_PRES)))) return;
fprintf( fout, "----- Parcel Information-----\n");
/* ----- Calculate Parcel Data ----- */
sfctemp = lplvals.temp;
sfcdwpt = lplvals.dwpt;
sfcpres = lplvals.pres;
strcpy( st, "*** " );
strcat( st, lplvals.desc );
strcat( st, " ***" );
fprintf( fout, "%s\n", st);
ix1 = parcel( -1, -1, sfcpres, sfctemp, sfcdwpt, &pcl);
fprintf( fout, "LPL: P=%.0f T=%.0fF Td=%.0fF\n", sfcpres, ctof(sfctemp), ctof(sfcdwpt));
fprintf( fout, "CAPE: %6.0f J/kg\n", pcl.bplus);
fprintf( fout, "CINH: %6.0f J/kg\n", pcl.bminus);
fprintf( fout, "LI: %6.0f C\n", pcl.li5);
fprintf( fout, "LI(300mb): %6.0f C\n", pcl.li3);
fprintf( fout, "3km Cape: %6.0f J/kg\n", pcl.cape3km);
j1 = pcl.bplus;
j2 = i_hght(pcl.elpres, I_PRES) - i_hght(pcl.lfcpres, I_PRES);
fprintf( fout, "NCAPE: %6.2f m/s2\n\n", j1/j2);
fprintf( fout, "LCL: %6.0fmb %6.0fm\n", pcl.lclpres, agl(i_hght(pcl.lclpres, I_PRES)));
fprintf( fout, "LFC: %6.0fmb %6.0fm\n", pcl.lfcpres, agl(i_hght(pcl.lfcpres, I_PRES)));
fprintf( fout, "EL: %6.0fmb %6.0fm\n", pcl.elpres, agl(i_hght(pcl.elpres, I_PRES)));
fprintf( fout, "MPL: %6.0fmb %6.0fm\n", pcl.mplpres, agl(i_hght(pcl.mplpres, I_PRES)));
fprintf( fout, "All heights AGL\n\n" );
fprintf( fout, "----- Moisture -----\n" );
strcpy( st, qc2( precip_water( &ix1, -1, -1), " in", 2 ));
fprintf( fout, "Precip Water: %s\n", st);
strcpy( st, qc2( mean_mixratio( &ix1, -1, -1 ), " g/Kg", 1 ));
fprintf( fout, "Mean W: %s\n\n", st);
fprintf( fout, "----- Lapse Rates -----\n" );
j1 = delta_t(&ix1);
j2 = lapse_rate( &ix1, 700, 500);
fprintf( fout, "700-500mb %.0f C %.1f C/km\n", j1, j2);
j1 = vert_tot(&ix1);
j2 = lapse_rate( &ix1, 850, 500);
fprintf( fout, "850-500mb %.0f C %.1f C/km\n", j1, j2);
fclose( fout );
}
/*NP*/
char *best_guess(struct _ptype p)
/***********************************************************************/
/* BEST_GUESS */
/***********************************************************************/
{
float x1, y1, x2, y2;
static char st[80];
/* Case: no precip */
if (p.init_phase<0) {
strcpy(st, "None.");
return st;
}
/* Case: always too warm - Rain */
if ((p.init_phase==0) && (p.tneg>=0) && (p.tsfc>0)) {
strcpy(st, "Rain.");
return st;
}
/* Case: always too cold - Snow */
if ((p.init_phase==3) && (p.tpos<=0) && (p.tsfc<=0)) {
strcpy(st, "Snow.");
return st;
}
/* Case: ZR too warm at sfc - Rain */
if ((p.init_phase==1) && (p.tpos<=0) && (p.tsfc>0)) {
strcpy(st, "Rain.");
return st;
}
/* Case: non-snow init...always too cold - Initphase&sleet */
if ((p.init_phase==1) && (p.tpos<=0) && (p.tsfc<=0)) {
if (agl(i_hght(p.init_lvl, I_PRES))>=3000) {
if (p.init_temp <= -4) {
strcpy(st, "Sleet and Snow." );
return st;
}
else {
strcpy(st, "Sleet." );
return st;
}
}
else {
strcpy(st, "Freezing Rain/Drizzle.");
return st;
}
}
/* Case: Snow...but warm at sfc */
if ((p.init_phase==3) && (p.tpos<=0) && (p.tsfc>0)) {
if (p.tsfc>4)
strcpy(st, "Rain.");
else
strcpy(st, "Snow.");
return st;
}
/* Case: Warm layer. */
if (p.tpos>0) {
x1 = p.tpos;
y1 = -p.tneg;
y2 = (.62 * x1) + 60;
if (y1 > y2)
{ strcpy(st, "Sleet." ); }
else
{
if (p.tsfc<=0)
strcpy(st, "Freezing Rain." );
else
strcpy( st, "Rain." );
}
return st;
}
strcpy(st, "Unknown.");
return st;
}
/*NP*/
void posneg_temperature(float start, float *pos, float *neg, float *top,
float *bot)
/***********************************************************************/
/* POSNEG */
/* Calculates positive and negative areas as related to winter weather */
/* forecasting. Search begins at 500mb, but only returns results if */
/* a positive area is found, overlaying a negative area. */
/* START is the upper limit of search.(default=init_phase) */
/***********************************************************************/
{
float upper, lower, pe1, h1, te1, tp1, totp, totn, pe2, h2, te2,
tp2, tdef1, tdef2;
float lyrlast, lyre, tote, pelast, ptop, pbot, lvl;
short i, lptr, uptr, warmlayer=0, coldlayer=0, phase;
short pIndex, zIndex, tdIndex;
/* ----- If there is no sounding, do not compute ----- */
if (!qc(i_temp(500, I_PRES)) && !qc(i_temp(850, I_PRES))) return;
pIndex = getParmIndex("PRES");
zIndex = getParmIndex("HGHT");
tdIndex = getParmIndex("DWPT");
if (!sndg || pIndex == -1 || zIndex == -1 || tdIndex == -1)
return;
/* ----- Find lowest observation in layer ----- */
lower=sndg[sfc()][pIndex];
lptr = sfc();
/* ----- Find highest observation in layer ----- */
if (start=-1) {
(void)init_phase(&lvl, &phase);
/*
strcpy( st, init_phase( &lvl, &phase ));
*/
if (lvl > 0.0)
upper = lvl;
else
upper = 500.0;
}
else {
upper = start;
}
i=numlvl-1;
while(sndg[i][pIndex] < upper) {
i--;
if (i < 0) {
fprintf(stderr,
"Warning: posneg_temp: Could not find a pressure greater than %.2f\n",
upper);
fprintf(stderr, "Using %.2f as the upper level.\n",
sndg[0][pIndex]);
i = 0;
break;
}
}
uptr = i;
if (sndg[i][pIndex] == upper)
uptr--;
/* ----- Start with top layer ----- */
pe1 = upper;
h1 = i_hght(pe1, I_PRES);
te1 = i_temp(pe1, I_PRES);
tp1 = 0;
totp = totn = tote = ptop = pbot = 0;
for( i = uptr; i >= lptr; i--) {
if (qc(sndg[i][tdIndex])) {
/* ----- Calculate every level that reports a temp ----- */
pe2 = sndg[i][pIndex];
h2 = sndg[i][zIndex];
te2 = i_temp(pe2, I_PRES);
tp2 = 0;
tdef1 = (0 - te1) / (te1 + 273.15);
tdef2 = (0 - te2) / (te2 + 273.15);
lyrlast = lyre;
lyre = 9.8F * (tdef1 + tdef2) / 2.0F * (h2 - h1);
/* Has a warm layer been found yet? */
if (te2>0)
if (warmlayer==0) {
warmlayer=1;
ptop=pe2;
}
/* Has a cold layer been found yet? */
if (te2<0)
if ((warmlayer==1) && (coldlayer==0)) {
coldlayer=1;
pbot=pe2;
}
if (warmlayer>0) {
if (lyre>0)
totp += lyre;
else
totn += lyre;
tote += lyre;
printf("%4.0f - %4.0f E=%6.0f TOT=%6.0f Top=%6.0f Bot=%6.0f\n",
pe1, pe2, lyre, tote, ptop, pbot);
}
pelast = pe1;
pe1 = pe2;
h1 = h2;
te1 = te2;
tp1 = tp2;
}
}
if ((warmlayer==1) && (coldlayer==1)) {
*pos = totp;
*neg = totn;
*top = ptop;
*bot = pbot;
printf("Tot= %.0f J/kg Pos= %.0f J/kg Neg= %.0f J/kg\n",
tote, totp, totn);
printf("Top= %.0f Bot= %.0f\n", ptop, pbot);
}
else {
printf ("Warm/Cold Layers not found.\n" );
*pos = 0;
*neg = 0;
*top = 0;
*bot = 0;
}
}
/*NP*/
void plot_thetae(void)
/*************************************************************/
/* PLOT_THETAE */
/* John Hart NSSFC KCMO */
/* */
/* Plots vertical profile of Theta-E (sfc-500mb) */
/*************************************************************/
{
float bothgt, tophgt, h, cthe, ix1;
short x1, y1, x2, y2, i, tlx, tly;
short pIndex, zIndex, tIndex, tdIndex;
char st[10];
pIndex = getParmIndex("PRES");
zIndex = getParmIndex("HGHT");
tIndex = getParmIndex("TEMP");
tdIndex = getParmIndex("DWPT");
if (!sndg || pIndex == -1 || tIndex == -1 || tdIndex == -1 ||
zIndex == -1)
return;
/* tlx = hov.brx - 150;
tly = hov.tly; */
tlx = hov.tlx + 120;
tly = hov.bry;
setcliprgn(tlx, tly, tlx+134, tly+120);
setcolor(0);
setlinestyle( 1, 1 );
rectangle(1,tlx, tly, tlx+134, tly+120);
setcolor(1);
rectangle(0, tlx, tly, tlx+134, tly+120);
/* ----- Set Layer (AGL) ----- */
bothgt = 0;
tophgt = agl(i_hght(500, I_PRES));
/* ----- Plot Label ----- */
setcolor(1);
set_font(4);
outgtext("Theta-E vs", tlx+55, tly+3);
outgtext("Pressure", tlx+55, tly+15);
/* ----- Plot horizontal legend ----- */
if (800 < pIndex < 850){
cthe = (thetae(800, i_temp(800, I_PRES), i_dwpt(800, I_PRES)) +
thetae(650, i_temp(650, I_PRES), i_dwpt(650, I_PRES)) +
thetae(sndg[sfc()][pIndex], sndg[sfc()][tIndex],
sndg[sfc()][tdIndex])) / 3.0;
}
if (750 < pIndex < 800){
cthe = (thetae(750, i_temp(750, I_PRES), i_dwpt(750, I_PRES)) +
thetae(600, i_temp(600, I_PRES), i_dwpt(600, I_PRES)) +
thetae(sndg[sfc()][pIndex], sndg[sfc()][tIndex],
sndg[sfc()][tdIndex])) / 3.0;
}
if (700 < pIndex < 750){
cthe = (thetae(700, i_temp(700, I_PRES), i_dwpt(700, I_PRES)) +
thetae(500, i_temp(500, I_PRES), i_dwpt(500, I_PRES)) +
thetae(sndg[sfc()][pIndex], sndg[sfc()][tIndex],
sndg[sfc()][tdIndex])) / 3.0;
}
if (pIndex >= 850){
cthe = (thetae(850, i_temp(850, I_PRES), i_dwpt(850, I_PRES)) +
thetae(700, i_temp(700, I_PRES), i_dwpt(700, I_PRES)) +
thetae(sndg[sfc()][pIndex], sndg[sfc()][tIndex],
sndg[sfc()][tdIndex])) / 3.0;
}
setcolor(19);
set_font(5);
for(h=cthe - 30.0; h<=cthe + 30.0; h += 10) {
x1 = (short)(tlx + 60 + ((h-cthe)*2.5));
y1 = tly+120;
moveto( x1, y1);
lineto( x1, y1-5);
sprintf(st, "%.0f", h + 273.15);
outgtext(st, x1-6, y1-14);
}
/* ----- Plot vertical theta-e profile ----- */
setlinestyle(1, 2);
setcolor(2);
x2 = 999;
if (sndg[numlvl-1][pIndex] < 500) {
for (i=0; sndg[i][pIndex] >= 500; i++) {
/*printf ("i = %d, PRES = %.1f\n", i, sndg[i][pIndex]);*/
if (qc(sndg[i][tdIndex])) {
x1 = (short)(tlx + 60 + ((thetae(sndg[i][pIndex],
sndg[i][tIndex], sndg[i][tdIndex])-cthe)*2.5));
y1 = vert_coords(agl(sndg[i][zIndex]), tophgt, tly);
if(x2 == 999) { x2=x1; y2=y1; }
moveto(x1, y1);
lineto(x2, y2);
x2=x1;
y2=y1;
}
}
}
/* ----- Plot Vertical Legend ----- */
setlinestyle(1, 1);
setcolor(1);
set_font(5);
x2 = 999;
for(i=1000; i >= 600; i -= 100) {
x1 = tlx;
y1 = vert_coords(agl(i_hght(i, I_PRES)), tophgt, tly);
moveto( x1, y1);
lineto( x1+5, y1);
sprintf(st, "%d", i);
if (i<1000) outgtext(st, x1+6, y1-5);
}
setcliprgn(1, 1, xwdth, xhght);
copytodisplay();
/* plot theta-e index */
setcolor(19);
set_font(4);
sprintf( st, "TEI = %s", qc2( ThetaE_diff(&ix1), "", 0));
outgtext( st, tlx + 80, tly + 50);
}
/*NP*/
float visual1(float lower, float upper, float pres, float temp, float dwpt, int ulx, int uly, int vwid)
/*************************************************************/
/* VISUAL1 */
/* John Hart NSSFC KCMO */
/* */
/* Lifts specified parcel, given an initial 5 m/s push. */
/* parcel trajectory is then calculated, using strict */
/* parcel theory. Updraft size is assumed 1km dia. */
/* */
/* All calculations use the virtual temperature correction. */
/* */
/* lower = Bottom level of layer (mb) [ -1=SFC] */
/* upper = Top level of layer (mb) [ -1=TOP] */
/* pres = LPL pressure (mb) */
/* temp = LPL temperature (c) */
/* dwpt = LPL dew point (c) */
/*************************************************************/
{
short i, lptr, uptr, pIndex, zIndex, tIndex, tdIndex;
float te1, pe1, te2, pe2, h1, h2, lyre, tdef1, tdef2, totp, totn;
float te3, pe3, h3, tp1, tp2, tp3, tdef3, lyrf, lyrlast, pelast;
float tote, dh, restim, uvv, ix1, ix2, tottim;
float u, v, du, dv, tsu, tsv, tdist, tangle, disp, angl;
short colrx;
lyre = -1;
totp = 25;
totn = 0;
pIndex = getParmIndex("PRES");
zIndex = getParmIndex("HGHT");
tIndex = getParmIndex("TEMP");
tdIndex = getParmIndex("DWPT");
if (!sndg || pIndex == -1 || zIndex == -1 || tIndex == -1 || tdIndex == -1) return RMISSD;
/* ----- See if default layer is specified ----- */
if (lower == -1) { lower = sndg[sfc()][pIndex]; }
if (upper == -1) { upper = sndg[numlvl-1][pIndex]; }
/* ----- Make sure this is a valid layer ----- */
if( lower > pres ) { lower = pres; }
if( !qc( i_vtmp( upper , I_PRES))) { return RMISSD; }
if( !qc( i_vtmp( lower , I_PRES))) { return RMISSD; }
/* ----- Begin with Mixing Layer (LPL-LCL) ----- */
te1 = i_vtmp(pres , I_PRES);
pe1 = lower;
h1 = i_hght(pe1 , I_PRES);
tp1 = virtemp(pres, temp, dwpt);
drylift(pres, temp, dwpt, &pe2, &tp2);
h2 = i_hght(pe2 , I_PRES);
te2 = i_vtmp(pe2 , I_PRES);
if( lower > pe2 ) { lower = pe2; }
/* ----- Find lowest observation in layer ----- */
i = 0;
while( sndg[i][pIndex] > lower) { i++; }
while ( !qc(sndg[i][tdIndex]) ) { i++; }
lptr = i;
if( sndg[i][pIndex] == lower ) { lptr++; }
/* ----- Find highest observation in layer ----- */
i=numlvl-1;
while(sndg[i][pIndex] < upper) { i--; }
uptr = i;
if( sndg[i][pIndex] == upper ) { uptr--; }
/* ----- Start with interpolated bottom layer ----- */
pe1 = lower;
h1 = i_hght( pe1 , I_PRES);
te1 = i_vtmp( pe1 , I_PRES);
tp1 = wetlift(pe2, tp2, pe1);
totp = 25;
totn = 0;
tsu = 0;
tsv = 0;
restim = 0;
tottim = 0;
for (i = lptr; i < numlvl; i++) {
if (qc(sndg[i][tIndex])) {
/* ----- Calculate every level that reports a temp ----- */
pe2 = sndg[i][pIndex];
h2 = sndg[i][zIndex];
te2 = i_vtmp( pe2 , I_PRES);
tp2 = wetlift(pe1, tp1, pe2);
tdef1 = (virtemp(pe1, tp1, tp1) - te1) / (te1 + 273.15);
tdef2 = (virtemp(pe2, tp2, tp2) - te2) / (te2 + 273.15);
lyrlast = lyre;
lyre = 9.8F * (tdef1 + tdef2) / 2.0F * (h2 - h1);
if( lyre > 0 ) { totp += lyre; }
else { if(pe2 > 500) { totn += lyre; } }
tote += lyre;
uvv = (float)sqrt( totp * 2 );
dh = h2 - h1;
restim = dh / uvv;
tottim += restim;
sr_wind( pe1, pe2, st_dir, st_spd, &u, &v, &ix1, &ix2);
du = kt_to_mps(u) * restim;
dv = kt_to_mps(v) * restim;
tsu -= du;
tsv += dv;
tdist = (float)sqrt((tsu*tsu) + (tsv*tsv));
tangle = angle(tsu, tsv);
pelast = pe1;
pe1 = pe2;
h1 = h2;
te1 = te2;
tp1 = tp2;
/* ----- Is this the top of given layer ----- */
if(i >= uptr) {
pe3 = pe1;
h3 = h1;
te3 = te1;
tp3 = tp1;
lyrf = lyre;
if( lyrf > 0 )
{ totp -= lyrf; }
else
{ if(pe2 > 500) { totn -= lyrf; } }
pe2 = upper;
h2 = i_hght( pe2 , I_PRES);
te2 = i_vtmp( pe2 , I_PRES);
tp2 = wetlift(pe3, tp3, pe2);
tdef3 = (virtemp(pe3, tp3, tp3) - te3) / (te3 + 273.15);
tdef2 = (virtemp(pe2, tp2, tp2) - te2) / (te2 + 273.15);
lyrf = 9.8F * (tdef3 + tdef2) / 2.0F * (h2 - h3);
if( lyrf > 0 )
{ totp += lyrf; }
else
{ if(pe2 > 500) { totn -= lyrf; } }
if( totp == 0 ) { totn = 0; }
uvv = (float)sqrt( totp * 2 );
dh = h2 - h1;
restim = dh / uvv;
tottim += restim;
sr_wind( pe1, pe2, st_dir, st_spd, &u, &v, &ix1, &ix2);
du = kt_to_mps(u) * restim;
dv = kt_to_mps(v) * restim;
tsu -= du;
tsv += dv;
tdist = (float)sqrt((tsu*tsu) + (tsv*tsv));
tangle = angle(tsu, tsv);
colrx = 7;
vis_xy( -tsu, -tsv, colrx, ulx, uly, vwid);
angl = 90 - angle( tdist, agl(h2));
write_vis_data( tottim, angl, ulx, uly, vwid );
return 1;
}
colrx = 13;
if (h2>msl(3000)) colrx=3;
if (h2>msl(6000)) colrx=27;
if (h2>msl(9000)) colrx=20;
if (h2>msl(12000)) colrx=6;
vis_xy(-tsu, -tsv, colrx, ulx, uly, vwid);
if (sndg[i][pIndex] == 500) {
disp = tdist;
angl = 90 - angle( tdist, agl(sndg[i][zIndex]));
}
}
}
return 1.0; /* ? mkay. there was no value before. bad thing */
}
/*NP*/
float bndry_ci(float lift, float distance)
/*************************************************************/
/* BOUNDARY CONVECTIVE INITIATION */
/* Rich Thompson and John Hart SPC OUN */
/* */
/* Lifts ML parcel to find LFC, then calculates parcel */
/* trajectory relative to a boundary. If parcel stays */
/* within dist_to_bndry long enough to reach the LFC, */
/* then convective initiation is likely */
/* */
/* lift = ascent rate in m/min along boundary */
/* dist_to_bndry = width of ascent zone (m) */
/*************************************************************/
{
float ix1, ix2, u, v, pe1, pe2, lfc, height, pres;
short oldlplchoice, i, min_lift;
Parcel pcl;
oldlplchoice = lplvals.flag;
/* ----- Begin with ML parcel LFC height (m AGL) */
define_parcel(4,100);
ix1 = parcel( -1, -1, lplvals.pres, lplvals.temp, lplvals.dwpt, &pcl);
lfc = agl(i_hght(pcl.lfcpres, I_PRES));
/* ----- Calculate minutes of lift needed to reach LFC */
min_lift = (short)(lfc / lift);
printf("\nminutes of lift to LFC = %d\n", min_lift);
/* if parcel remains within distance (to bndry), continue ascent */
for (i = 0; i < min_lift; i++){
height = i * lift;
/* pe1 = i_pres(msl(height));
pe2 = i_pres(msl(height));
restim = dh / uvv;
tottim += restim;
sr_wind( pe1, pe2, st_dir, st_spd, &u, &v, &ix1, &ix2);
du = kt_to_mps(u) * restim;
dv = kt_to_mps(v) * restim;
tsu -= du;
tsv += dv;
distance = (float)sqrt((tsu*tsu) + (tsv*tsv));
tangle = angle(tsu, tsv);
*/
}
if (oldlplchoice == 3)
pres = mu_layer;
else if (oldlplchoice == 4)
pres = mml_layer;
else if (oldlplchoice == 5)
pres = user_level;
else
pres = mml_layer;
define_parcel(oldlplchoice, pres);
return min_lift;
}
/* NP */
short ww_type(short *wwtype, short *dcp)
/********************************************************************/
/* Watch type guidance */
/* A decision tree to help with ww issuance */
/* */
/* Rich Thompson SPC OUN */
/********************************************************************/
{
float ix1, ix2, ix3, ix4, lr75, shr6, t500, fzlh, mumixr, lowrh, midrh, low_mid_rh;
float mucn, mlcn, mlcp, sbcp, mucp, lr1, lr3, shr6_dir, sr46_dir, sr46_spd, shr6_sr46_diff, mmp;
float sig_tor, sig_tor_winter, sighail, wind_dmg, rm_scp, cbsig, dncp, srh1, sblcl, mllcl;
float oldlplpres, pres, pbot, ptop, shr8, bot, top, esrh, lm_scp;
short oldlplchoice, ww_choice;
short pIndex, tIndex, zIndex, tdIndex;
short x1, y1, x2, y2, tlx, tly, wid;
struct _parcel pcl;
char st[40];
tlx = hov.tlx + 409;
tly = hov.bry;
wid = 119;
setcliprgn( tlx+2, tly+2, tlx+wid+24, tly+wid+1);
setcolor(0);
setlinestyle( 1, 1 );
rectangle( 1,tlx, tly, tlx+wid+27, tly+wid+1);
setcolor(1);
rectangle( 0, tlx, tly, tlx+wid+27, tly+wid+1);
setlinestyle( 1, 1 );
moveto( tlx + 2, tly + 18);
lineto(tlx + wid + 27, tly + 18);
/* ----- Plot Label ----- */
set_font(6);
setcolor(1);
outgtext( "Psbl Watch Type", tlx + 20, tly + 3 );
*wwtype = 0;
*dcp = 0;
oldlplchoice = lplvals.flag;
tIndex = getParmIndex("TEMP");
pIndex = getParmIndex("PRES");
zIndex = getParmIndex("HGHT");
tdIndex = getParmIndex("DWPT");
/* 24 Mar 2008 */
/* effective_inflow_layer(100, -250, &pbot, &ptop);*/
/* sb parcel */
define_parcel(1,0);
ix1 = parcel(-1, -1, lplvals.pres, lplvals.temp, lplvals.dwpt, &pcl);
sbcp = pcl.bplus;
sblcl = agl(i_hght(pcl.lclpres, I_PRES));
sig_tor_winter = sigtorn_fixed(st_dir, st_spd);
/* ml parcel */
define_parcel(4,100);
ix1 = parcel(-1, -1, lplvals.pres, lplvals.temp, lplvals.dwpt, &pcl);
mlcn = pcl.bminus;
mlcp = pcl.bplus;
mllcl = agl(i_hght(pcl.lclpres, I_PRES));
sig_tor = sigtorn_cin(st_dir, st_spd);
/* mu parcel */
define_parcel(3,400);
mucp = parcel(-1, -1, lplvals.pres, lplvals.temp, lplvals.dwpt, &pcl);
mucn = pcl.bminus;
dncp = dcape(&ix1, &ix2);
/* sighail ingredients */
lr75 = lapse_rate(&ix1, 700, 500);
wind_shear(sndg[sfc()][pIndex], i_pres(msl(6000)), &ix1, &ix2, &ix3, &ix4);
shr6 = ix4;
shr6_dir = ix3;
wind_shear(sndg[sfc()][pIndex], i_pres(msl(8000)), &ix1, &ix2, &ix3, &ix4);
shr8 = ix4;
mumixr = mixratio(lplvals.pres, lplvals.dwpt);
t500 = i_temp(500, I_PRES);
fzlh = mtof(agl(i_hght(temp_lvl(0, &ix1), I_PRES)));
sighail = sig_hail(pcl.bplus, mumixr, lr75, t500, kt_to_mps(shr6), fzlh, pcl.bminus, 0, 0, 25, mlcp);
rm_scp = scp(st_dir, st_spd);
wind_dmg = damaging_wind();
sr_wind( i_pres(msl(4000)), i_pres(msl(6000)), st_dir, st_spd, &ix1, &ix2, &ix3, &ix4);
sr46_dir = ix3;
sr46_spd = ix4;
shr6_sr46_diff = (shr6_dir - sr46_dir);
srh1 = helicity(0, 1000, st_dir, st_spd, &ix1, &ix2);
bot = agl(i_hght(p_bot, I_PRES));
top = agl(i_hght(p_top, I_PRES));
esrh = helicity(bot, top, st_dir, st_spd, &ix1, &ix2);
lapse_rate(&ix2, sndg[sfc()][pIndex], i_pres(sndg[sfc()][zIndex]+1000));
lr1 = ix2;
lapse_rate(&ix2, sndg[sfc()][pIndex], i_pres(sndg[sfc()][zIndex]+3000));
lr3 = ix2;
mean_relhum(&ix1, sndg[sfc()][pIndex]-150, sndg[sfc()][pIndex]-350);
midrh = ix1;
mean_relhum(&ix1, sndg[sfc()][pIndex], sndg[sfc()][pIndex]-150);
lowrh = ix1;
low_mid_rh = ((lowrh + midrh)/2);
mmp = coniglio1();
cbsig = (mlcp * kt_to_mps(shr6));
/* 24 Mar 2008 */
/* all "p_bot" below were changed from "pbot" */
/* Decision tree below is identical to the operational "ww_type" flow chart documentation 9/23/09 RLT */
if ((sig_tor >= 3.0) && (sig_tor_winter >= 3.0) && (srh1 >= 150) && (esrh >= 150) && (sr46_spd >= 15.0) && (shr8 >= 40.0) && (sblcl < 1000) && (mllcl < 1100) && (lr1 >= 5.0) && (bot == 0.0)) {
*dcp = 1;
*wwtype = 5;
ww_choice = 5;
/*printf("\n dcp (in PDS) = %d", *dcp);*/
set_font(6);
setcolor(7);
outgtext( "PDS TOR", tlx + 45, tly + 60 );
}
/* else
if ((sig_tor_winter >= 4.0) && (sr46_spd >= 15.0) && (shr8 >= 40.0) && (sblcl < 1000) && (lr1 >= 5.0) && (bot == 0.0)) {
*dcp = 2;
*wwtype = 5;
ww_choice = 5;
set_font(6);
setcolor(7);
outgtext( "PDS TOR", tlx + 45, tly + 60 );
}
*/
else
if (((sig_tor >= 3.0) || (sig_tor_winter >= 4.0)) && (bot == 0.0)) {
*dcp = 3;
*wwtype = 4;
ww_choice = 4;
/*printf("\n dcp (in TOR) = %d", *dcp);*/
set_font(6);
setcolor(2);
outgtext( "TOR", tlx + 45, tly + 60 );
}
else
if (((sig_tor >= 1.0) || (sig_tor_winter >= 1.0)) && ((sr46_spd >= 15.0) || (shr8 >= 40.0)) && (bot == 0.0)) {
*dcp = 4;
*wwtype = 4;
ww_choice = 4;
/*printf("\n dcp (in TOR) = %d", *dcp);*/
set_font(6);
setcolor(2);
outgtext( "TOR", tlx + 45, tly + 60 );
}
else
if (((sig_tor >= 1.0) || (sig_tor_winter >= 1.0)) && (low_mid_rh >= 60) && (lr1 >= 5.0) && (bot == 0.0)) {
*dcp = 5;
*wwtype = 4;
ww_choice = 4;
/*printf("\n dcp (in TOR) = %d", *dcp);*/
set_font(6);
setcolor(2);
outgtext( "TOR", tlx + 45, tly + 60 );
}
else
if ((( sig_tor >= 1.0) || (sig_tor_winter >= 1.0)) && (bot == 0.0)) {
*dcp = 6;
*wwtype = 3;
ww_choice = 3;
/*printf("\n dcp (in mrgl TOR) = %d", *dcp);*/
set_font(6);
setcolor(2);
outgtext( "mrgl TOR", tlx + 40, tly + 60 );
}
else
if (((( sig_tor >= 0.5) && (esrh >= 150)) || ((sig_tor_winter >= 0.5) && (srh1 >= 150))) && (bot == 0.0)) {
*dcp = 7;
*wwtype = 3;
ww_choice = 3;
/*printf("\n dcp (in mrgl TOR) = %d", *dcp);*/
set_font(6);
setcolor(2);
outgtext( "mrgl TOR", tlx + 40, tly + 60 );
}
else
if ((( sig_tor_winter >= 1.0) || (rm_scp >= 4.0) || (sig_tor >= 1.0)) && (mucn >= -50.0)) {
*dcp = 8;
*wwtype = 2;
ww_choice = 2;
/*printf("\n dcp (in SVR) = %d", *dcp);*/
set_font(6);
setcolor(6);
outgtext( "SVR", tlx + 60, tly + 60 );
}
else
if ((rm_scp >= 2.0) && ((sighail >= 1.0) || (dncp >= 750)) && (mucn >= -50.0)) {
*dcp = 9;
*wwtype = 2;
ww_choice = 2;
/*printf("\n dcp (in SVR) = %d", *dcp);*/
set_font(6);
setcolor(6);
outgtext( "SVR", tlx + 60, tly + 60 );
}
else
if ((cbsig >= 30000) && (mmp >= 0.6) && (mucn >= -50.0)) {
*dcp = 10;
*wwtype = 2;
ww_choice = 2;
/*printf("\n dcp (in SVR) = %d", *dcp);*/
set_font(6);
setcolor(6);
outgtext( "SVR", tlx + 60, tly + 60 );
}
else
if ((mucn >= -75.0) && ((wind_dmg >= 0.5) || (sighail >= 0.5) || (rm_scp >= 0.5))) {
*dcp = 11;
*wwtype = 1;
ww_choice = 1;
/*printf("\n dcp (in mrgl SVR) = %d", *dcp);*/
set_font(6);
setcolor(26);
outgtext( "MRGL SVR", tlx + 40, tly + 60 );
}
else {
*dcp = 0;
/*printf("\n dcp (after logic checks) = %d", *dcp);*/
*wwtype = 0;
ww_choice = 0;
}
if (*wwtype == 0) {
set_font(6);
setcolor(19);
outgtext( "NONE", tlx + 50, tly + 60 );
}
//printf("sig_tor=%f sig_tor_winter=%f srh1=%f esrh=%f sr46_spd=%f shr8=%f sblcl=%f\n mllcl=%f lr1=%f bot=%f low_mid_rh=%f rm_scp=%f\n mucn=%f dncp=%f sighail=%f cbsig=%f wind_dmg=%f",
// sig_tor,sig_tor_winter,srh1,esrh,sr46_spd,shr8, sblcl, mllcl, lr1, bot, low_mid_rh, rm_scp,mucn, dncp, sighail, cbsig, wind_dmg);
/* define_parcel(oldlplchoice, oldlplpres); */
/* set parcel back to user selection */
if (oldlplchoice == 1)
pres = 0;
else if (oldlplchoice == 2)
pres = 0;
else if (oldlplchoice == 3)
pres = mu_layer;
else if (oldlplchoice == 4)
pres = mml_layer;
else if (oldlplchoice == 5)
pres = user_level;
else if (oldlplchoice == 6)
pres = mu_layer;
define_parcel(oldlplchoice, pres);
return ww_choice;
}
