UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:0000Z 19 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 1009 9 27.0 24.1 84 2.9 24.9 0 0 299.4 302.9 297.7 355.1 19.05 1 1006 35 27.2 27.2 100 0.0 27.2 15 1 299.8 304.1 300.2 367.9 23.12 2 1000 88 27.6 27.6 100 0.0 27.6 45 4 300.8 305.1 300.8 371.2 23.83 3 978 287 27.8 27.8 100 0.0 27.9 34 4 302.9 307.4 301.7 376.6 24.69 4 925 781 23.8 23.8 100 0.0 23.8 5 5 303.6 307.4 299.6 364.6 20.46 5 911 915 22.4 22.4 100 0.0 22.4 8 5 303.5 307.1 298.7 360.2 19.04 6 850 1518 19.8 19.8 100 0.0 19.8 20 6 306.9 310.1 298.5 359.2 17.35 7 841 1610 18.8 18.8 100 0.0 18.8 23 6 306.8 309.8 298.0 356.3 16.46 8 814 1891 19.0 19.0 100 0.0 19.0 30 8 309.9 313.1 299.2 362.4 17.24 9 700 3167 7.6 7.6 100 0.0 7.6 70 3 310.9 312.7 294.3 339.8 9.40 10 696 3214 7.2 7.2 100 0.0 7.2 84 4 311.0 312.7 294.1 339.2 9.20 11 637 3939 2.6 2.6 100 0.0 2.6 211 11 313.7 315.1 293.4 336.4 7.27 12 623 4119 4.2 4.2 100 0.0 4.2 221 11 317.5 319.2 295.3 343.9 8.34 13 529 5436 -2.9 -2.9 100 0.0 -2.9 264 6 324.2 325.4 295.1 343.4 5.85 14 500 5880 -6.9 -6.9 100 0.0 -6.9 285 18 324.6 325.5 294.3 339.7 4.56 15 441 6852 -13.5 -13.5 100 0.0 -13.5 249 25 328.2 328.8 294.0 338.6 3.06 16 438 6904 -12.3 -12.3 100 0.0 -12.3 250 25 330.3 331.0 294.8 341.9 3.40 17 415 7319 -12.3 -12.3 100 0.0 -12.3 260 23 335.5 336.2 296.1 347.9 3.59 18 400 7600 -14.5 -14.5 100 0.0 -14.5 250 21 336.1 336.8 296.0 347.0 3.11 19 300 9710 -30.9 -30.9 100 0.0 -30.9 250 25 341.8 342.0 295.6 345.5 0.97 20 261 10677 -39.3 -39.3 100 0.0 -39.3 260 35 343.4 343.5 295.6 345.3 0.48 21 250 10970 -41.1 -41.1 100 0.0 -41.1 260 39 345.0 345.0 295.9 346.6 0.42 22 200 12450 -52.3 -52.3 100 0.0 -52.3 255 36 349.9 350.0 296.8 350.6 0.15 23 163 13742 -62.7 -62.7 100 0.0 -62.7 262 32 353.6 353.6 297.4 353.8 0.05 24 150 14250 -66.1 -66.1 100 0.0 -66.1 265 31 356.2 356.2 298.0 356.4 0.04 25 135 14883 -70.5 -70.5 100 0.0 -70.5 256 29 359.3 359.3 298.6 359.4 0.02 26 105 16349 -77.7 -77.7 100 0.0 -77.7 271 19 372.4 372.4 301.0 372.4 0.01 27 104 16404 -77.7 -77.7 100 0.0 -77.7 270 19 373.4 373.4 301.2 373.4 0.01 28 102 16515 -75.9 -75.9 100 0.0 -75.9 270 16 378.9 378.9 302.1 379.0 0.01 29 100 16630 -75.7 -75.7 100 0.0 -75.7 270 13 381.5 381.5 302.5 381.5 0.01 30 70 18700 -73.3 -73.3 100 0.0 -73.3 125 4 427.6 427.6 308.6 427.7 0.03 31 50 20720 -66.9 -79.9 14 13.0 -67.1 130 9 485.8 485.8 313.9 485.9 0.01 32 30 23890 -58.1 -75.1 10 17.0 -59.2 70 26 586.2 586.3 320.0 586.6 0.05 TRP 104 16404 -77.7 -77.7 100 0.0 -77.7 270 19 373.4 373.4 301.2 373.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 567.39 mb = 4897.95 m = 16069.18 ft Wetbulb zero: 567.58 mb = 4869.06 m = 15974.40 ft Precipitable water: 2.95 inches Sfc-500 mean rel hum: 99.97 % Est. max temperature: 34.01 C = 93.22 F Sfc-Lift cond lev (LCL): 967.85 mb = 379.29 m = 1244.36 ft T: 27.05 C 700-500 lapse rate: 5.34 C/km ThetaE index: 26.00 C Layer 700.0- 623.0 mb Conv cond level (CCL): 951.29 mb = 532.34 m = 1746.50 ft Mean mixing ratio: 22.45 g/kg Conv temperature: 30.89 C = 87.60 F Cap Strength: 0.41 C Lifted Index: -10.08 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -12.05 C Lifted Index @700 mb: -7.77 C Showalter Index: -6.98 C Risk: Severe thunderstorms probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 26.70 C K Index: 46.50 Risk: > 80 % chance of thunderstorms Sweat Index: 355.60 Risk: Showers and thunderstorms possible Energy Index: -3.90 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5218.57 J/kg Max Up Vert Vel: 102.16 m/s Conv Inhibition (B-): 2.21 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 959.22 mb = 458.75 m = 1505.05 ft Lev Free Conv (LFC): 944.22 mb = 598.58 m = 1963.82 ft Equ Level (EL): 104.22 mb = 16391.79 m = 53778.20 ft B at Equ Level: 5123.34 J/kg Max Parcel Lev (MPL): 54.22 mb = 20233.92 m = 66383.44 ft Wind level data Storm motion: 338 at 6 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 1009 9 0 0 -0.0 -0.0 | 158 6 -2.4 5.8 1 1000 88 45 4 -2.8 -2.8 | 120 6 -5.2 3.0 2 925 781 5 5 -0.4 -5.0 | 107 3 -2.8 0.9 3 850 1518 20 6 -2.1 -5.6 | 93 4 -4.5 0.2 4 736 2743 55 12 -9.8 -6.9 | 85 12 -12.2 -1.0 5 710 3048 70 10 -9.4 -3.4 | 102 12 -11.8 2.4 6 700 3167 70 3 -2.8 -1.0 | 133 7 -5.2 4.8 7 659 3658 215 10 5.7 8.2 | 193 14 3.3 14.0 8 634 3962 210 11 5.5 9.5 | 191 16 3.1 15.4 9 588 4572 255 10 9.7 2.6 | 221 11 7.3 8.4 10 525 5486 265 6 6.0 0.5 | 209 7 3.6 6.4 11 506 5791 285 18 17.4 -4.7 | 265 15 15.0 1.2 12 500 5880 285 18 17.4 -4.7 | 265 15 15.0 1.2 13 467 6401 250 15 14.1 5.1 | 227 16 11.7 11.0 14 449 6706 245 26 23.6 11.0 | 232 27 21.2 16.8 15 415 7315 260 23 22.7 4.0 | 244 23 20.2 9.8 16 400 7600 250 21 19.7 7.2 | 233 22 17.3 13.0 17 367 8230 230 24 18.4 15.4 | 217 27 16.0 21.3 18 338 8839 245 26 23.6 11.0 | 232 27 21.2 16.8 19 311 9449 235 25 20.5 14.3 | 222 27 18.1 20.2 20 300 9710 250 25 23.5 8.6 | 236 26 21.1 14.4 21 285 10058 260 27 26.6 4.7 | 246 26 24.2 10.5 22 250 10970 260 39 38.4 6.8 | 251 38 36.0 12.6 23 250 10973 265 38 37.9 3.3 | 256 37 35.5 9.2 24 228 11582 260 42 41.4 7.3 | 251 41 39.0 13.1 25 200 12450 255 36 34.8 9.3 | 245 36 32.4 15.2 26 150 14250 265 31 30.9 2.7 | 253 30 28.5 8.5 27 134 14935 255 29 28.0 7.5 | 242 29 25.6 13.3 28 127 15240 270 29 29.0 -0.0 | 258 27 26.6 5.8 29 114 15850 240 23 19.9 11.5 | 225 25 17.5 17.3 30 109 16154 275 20 19.9 -1.7 | 257 18 17.5 4.1 31 104 16404 270 19 19.0 -0.0 | 251 18 16.6 5.8 32 100 16630 270 13 13.0 -0.0 | 241 12 10.6 5.8 33 70 18700 125 4 -3.3 2.3 | 145 10 -5.7 8.1 34 50 20720 130 9 -6.9 5.8 | 141 15 -9.3 11.6 35 30 23890 70 26 -24.4 -8.9 | 84 27 -26.8 -3.1 Wind Parameters Mean winds (0-6000m): 307.6 at 8.4 knts Storm direction: 337.6 at 6.3 knts Shear (0-3000m) pos: 1.8 neg: 0.2 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -58.0 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -10.0 tot: 2.3 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 3.4 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 486.17 Bulk Shear: 10.73 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 33 4 119 5| 4.7 0.0 4.7| 0.0 -7.2 -7.2 -14.5 -0.82| 6.1 -5.0 1000 19 4 113 4| 2.4 0.6 3.0| 0.0 -7.8 -7.8 -7.8 -0.71| 4.0 -2.8 1500 18 5 107 4| 1.9 0.4 2.3| 0.0 -8.3 -8.3 -5.5 -0.67| 3.1 -2.1 2000 21 5 100 4| 2.1 0.3 2.4| 0.0 -9.9 -9.9 -4.9 -0.59| 3.1 -1.8 2500 29 6 93 5| 2.2 0.2 2.5| 0.8 -10.0 -9.2 -3.7 -0.44| 3.2 -1.4 3000 37 7 91 7| 1.8 0.2 2.0| 12.3 -10.0 2.3 0.8 -0.16| 3.4 -0.6 4000 43 7 93 7| 1.5 0.2 1.6| 76.1 -11.3 64.8 16.2 0.36| 5.8 2.1 5000 14 8 67 5| 0.8 0.1 0.9| 98.4 -12.8 85.7 17.1 0.40| 5.6 2.3 6000 308 8 261 4| 1.4 0.1 1.5|126.4 -25.8 100.6 16.8 0.39| 6.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20251019.00.gif