UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:1200Z 15 OCT 25 Station: VGTJ WMO ident: 41923 Latitude: 23.77 Longitude: 90.38 Elevation: 9.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1006 9 31.2 21.2 55 10.0 24.0 270 4 303.8 306.8 296.9 351.3 15.95 1 1000 58 30.4 22.4 62 8.0 24.5 290 8 303.5 306.7 297.7 355.0 17.30 2 925 751 24.4 19.5 74 4.9 20.9 320 6 304.3 307.2 296.8 350.7 15.61 3 893 1058 22.2 17.7 76 4.5 19.1 274 6 305.1 307.7 296.2 348.1 14.42 4 884 1146 21.6 17.5 78 4.1 18.7 261 5 305.3 308.0 296.3 348.3 14.38 5 850 1487 21.8 0.8 25 21.0 10.3 210 5 309.0 309.9 289.9 323.8 4.77 6 844 1549 22.0 -7.0 14 29.0 8.0 206 5 309.8 310.3 288.2 318.4 2.68 7 841 1579 22.0 -6.0 15 28.0 8.3 204 5 310.1 310.7 288.5 319.4 2.90 8 834 1652 21.2 -1.8 21 23.0 9.1 199 5 310.0 310.8 289.6 322.6 4.02 9 827 1725 19.8 10.8 56 9.0 14.0 194 5 309.3 311.2 294.2 339.4 9.88 10 740 2676 15.6 2.6 42 13.0 8.1 128 3 314.7 315.9 292.9 334.4 6.25 11 700 3145 11.8 1.8 50 10.0 6.1 95 2 315.6 316.8 293.1 335.3 6.24 12 699 3157 11.8 2.8 54 9.0 6.6 96 2 315.7 317.0 293.5 336.9 6.71 13 670 3510 9.4 -7.6 29 17.0 1.4 116 3 316.8 317.5 290.9 327.3 3.22 14 584 4629 -0.7 -6.7 64 6.0 -3.5 184 7 317.8 318.5 291.9 330.6 3.97 15 583 4642 -0.9 -12.9 40 12.0 -5.7 185 7 317.7 318.1 290.5 325.7 2.43 16 582 4656 0.2 186 7 319.1 17 575 4754 1.8 -37.2 4 39.0 -7.5 191 7 322.1 322.2 289.7 323.1 0.27 18 525 5482 -2.1 -45.1 2 43.0 -10.5 236 10 325.9 325.9 290.7 326.4 0.13 19 516 5620 -1.7 245 10 328.0 20 500 5870 -3.5 -50.5 1 47.0 -11.7 260 11 328.8 328.8 291.5 329.1 0.07 21 400 7590 -14.5 -48.5 4 34.0 -19.6 235 13 336.1 336.2 293.4 336.6 0.12 22 300 9710 -29.3 -62.3 3 33.0 -31.6 235 21 344.1 344.1 295.3 344.2 0.03 23 257 10799 -36.7 -67.7 3 31.0 -38.1 254 60 348.7 348.7 296.4 348.8 0.02 24 255 10853 -37.2 -67.9 3 30.7 -38.5 255 62 348.8 348.9 296.4 348.9 0.02 25 250 10990 -38.3 -68.3 3 30.0 -39.6 265 47 349.1 349.1 296.4 349.2 0.02 26 200 12480 -50.9 -69.9 9 19.0 -51.3 255 28 352.2 352.2 297.1 352.2 0.02 27 153 14160 -65.7 -78.7 15 13.0 -65.8 246 25 354.9 354.9 297.7 354.9 0.01 28 150 14280 -66.5 -79.5 14 13.0 -66.6 245 25 355.5 355.5 297.8 355.5 0.00 29 125 15368 -72.5 -86.5 10 14.0 -72.5 363.7 363.7 299.4 363.7 0.00 TRP WND 255 10853 -37.2 -67.9 3 30.7 -38.5 255 62 348.8 348.9 296.4 348.9 0.02 Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 589.96 mb = 4551.24 m = 14931.71 ft Freezing level: 582.18 mb = 4653.73 m = 15267.96 ft Freezing level: 551.92 mb = 5089.93 m = 16699.05 ft Wetbulb zero: 645.08 mb = 3818.57 m = 12527.95 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 44.49 % Est. max temperature: 35.70 C = 96.26 F Sfc-Lift cond lev (LCL): 870.79 mb = 1277.23 m = 4190.33 ft T: 21.68 C 700-500 lapse rate: 5.61 C/km ThetaE index: 29.97 C Layer 850.0- 841.0 mb Conv cond level (CCL): 773.30 mb = 2299.35 m = 7543.69 ft Mean mixing ratio: 16.23 g/kg Conv temperature: 39.96 C = 103.92 F Cap Strength: 4.11 C Lifted Index: -1.35 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.19 C Lifted Index @700 mb: 0.59 C Showalter Index: 10.84 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 4.30 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 30.60 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 600.69 J/kg Max Up Vert Vel: 34.66 m/s Conv Inhibition (B-): 170.77 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 872.37 mb = 1261.42 m = 4138.47 ft Lev Free Conv (LFC): 667.37 mb = 3541.90 m = 11620.26 ft Equ Level (EL): 207.37 mb = 12238.28 m = 40151.36 ft B at Equ Level: 598.56 J/kg Wind level data Storm motion: 288 at 4 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1006 9 270 4 4.0 -0.0 | 177 1 -0.1 1.3 1 1000 58 290 8 7.5 -2.7 | 292 4 3.4 -1.4 2 925 751 320 6 3.9 -4.6 | 4 3 -0.2 -3.3 3 850 1487 210 5 2.5 4.3 | 164 6 -1.6 5.7 4 700 3145 95 2 -2.0 0.2 | 104 6 -6.1 1.5 5 500 5870 260 11 10.8 1.9 | 244 7 6.8 3.2 6 400 7590 235 13 10.6 7.5 | 217 11 6.6 8.8 7 300 9710 235 21 17.2 12.0 | 224 19 13.1 13.4 8 255 10853 255 62 59.9 16.0 | 253 58 55.8 17.4 9 250 10990 265 47 46.8 4.1 | 263 43 42.7 5.4 10 200 12480 255 28 27.0 7.2 | 250 25 23.0 8.6 11 150 14280 245 25 22.7 10.6 | 237 22 18.6 11.9 Wind Parameters Mean winds (0-6000m): 258.1 at 5.7 knts Storm direction: 288.1 at 4.3 knts Shear (0-3000m) pos: 0.8 neg: 1.5 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -69.8 deg Storm rel helicity (0-3000m) pos: 4.1 neg: -18.3 tot: -14.2 m^2/s^2 ave: -4.7 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 4.6 stream: -1.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 216.91 Bulk Shear: 2.77 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 298 7 311 3| 4.5 0.0 4.5| 3.2 0.0 3.2 6.4 0.94| 8.4 7.8 1000 302 7 323 3| 2.3 1.6 3.9| 4.1 -1.5 2.6 2.6 0.42| 6.8 2.8 1500 291 6 299 2| 1.5 3.1 4.6| 4.1 -6.1 -2.0 -1.3 0.02| 6.9 0.1 2000 275 6 243 2| 1.1 2.6 3.7| 4.1 -10.7 -6.6 -3.3 -0.10| 5.9 -0.6 2500 264 5 213 2| 0.9 2.0 2.9| 4.1 -15.2 -11.0 -4.4 -0.18| 5.2 -1.0 3000 261 5 199 2| 0.8 1.5 2.3| 4.1 -18.3 -14.2 -4.7 -0.23| 4.6 -1.1 4000 240 4 177 4| 0.1 1.1 1.3| 11.0 -18.8 -7.8 -1.9 -0.10| 4.1 -0.4 5000 227 5 174 5| 0.8 0.9 1.7| 28.7 -18.8 9.9 2.0 0.11| 4.0 0.4 6000 258 6 211 3| 1.2 0.8 2.0| 47.5 -19.2 28.2 4.7 0.27| 4.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20251015.12.gif