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 VTUN... Searching the city database file for: VTUN ... Date:0000Z 19 OCT 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 82 SFC 988 181 24.2 22.3 89 1.9 22.9 0 0 298.4 301.5 296.4 349.0 17.41 2 925 763 21.0 19.4 91 1.6 19.9 75 18 300.8 303.6 295.8 346.3 15.51 3 866 1333 18.2 17.3 94 0.9 17.6 75 13 303.6 306.3 295.9 346.6 14.50 4 850 1494 18.2 15.6 85 2.6 16.4 75 10 305.2 307.7 295.4 344.8 13.23 5 804 1970 17.0 8.0 55 9.0 11.4 71 11 308.8 310.4 292.9 334.5 8.40 6 700 3138 9.6 5.8 77 3.8 7.3 110 10 313.1 314.7 294.0 338.9 8.29 7 625 4071 3.6 1.4 86 2.2 2.4 116 9 316.6 317.9 293.9 338.1 6.79 8 615 4203 3.0 1.1 87 1.9 2.0 113 8 317.3 318.6 294.0 338.8 6.76 9 517 5596 -3.9 -5.7 87 1.8 -4.8 64 9 325.2 326.1 294.6 341.2 4.84 10 503 5813 -4.5 -7.8 78 3.3 -6.0 61 11 327.0 327.8 294.6 341.1 4.23 11 500 5860 -4.5 -8.8 72 4.3 -6.5 60 11 327.6 328.3 294.5 340.8 3.94 12 476 6247 -6.5 -13.5 58 7.0 -9.4 65 12 329.7 330.3 294.2 339.5 2.84 13 445 6771 -10.1 -13.3 77 3.2 -11.4 67 11 331.6 332.2 294.8 342.2 3.08 14 426 7108 -11.1 -24.1 33 13.0 -15.0 68 11 334.5 334.7 294.1 339.1 1.28 15 405 7495 -13.5 -25.5 36 12.0 -16.9 70 10 336.2 336.5 294.4 340.6 1.19 16 401 7571 -14.1 -19.1 66 5.0 -15.8 70 10 336.4 336.9 295.3 343.9 2.11 17 400 7590 -13.9 -20.9 55 7.0 -16.2 70 10 336.9 337.3 295.1 343.4 1.81 18 388 7821 -14.7 -25.7 39 11.0 -17.8 72 9 338.8 339.1 295.1 343.3 1.22 19 373 8117 -17.1 -27.1 42 10.0 -19.7 75 8 339.5 339.7 295.2 343.6 1.11 20 367 8239 -17.9 -42.9 9 25.0 -22.0 76 8 340.0 340.0 294.6 340.9 0.24 21 362 8341 -18.5 -46.5 7 28.0 -22.6 77 8 340.5 340.6 294.6 341.2 0.16 22 300 9710 -29.5 -40.5 34 11.0 -31.0 100 6 343.8 343.9 295.6 345.3 0.37 23 289 9976 -31.9 -41.9 37 10.0 -33.1 89 5 344.1 344.1 295.6 345.4 0.33 24 287 10025 -32.1 -39.1 50 7.0 -33.1 87 5 344.5 344.6 295.8 346.2 0.45 25 283 10125 -32.3 -51.3 13 19.0 -34.0 83 5 345.6 345.6 295.7 346.1 0.12 26 278 10251 -33.1 -42.1 40 9.0 -34.2 78 5 346.2 346.3 296.1 347.5 0.34 27 259 10746 -37.1 -44.1 48 7.0 -37.8 36 3 347.4 347.4 296.3 348.6 0.29 28 257 10799 -37.5 -47.5 35 10.0 -38.4 18 3 347.6 347.6 296.3 348.4 0.20 29 250 10990 -38.9 -47.9 38 9.0 -39.6 315 1 348.2 348.3 296.4 349.1 0.20 30 232 11495 -43.3 -50.3 46 7.0 -43.7 309 3 349.1 349.1 296.6 349.8 0.16 31 226 11669 -44.5 -56.5 25 12.0 -45.1 307 3 349.9 349.9 296.7 350.2 0.08 32 200 12470 -51.9 -56.7 56 4.8 -52.1 320 9 350.6 350.6 296.8 351.0 0.09 33 184 13005 -56.9 -58.6 81 1.7 -56.9 320 10 350.9 350.9 296.9 351.3 0.08 34 180 13144 -57.9 -60.5 72 2.6 -58.0 320 11 351.5 351.5 297.0 351.8 0.06 35 168 13576 -61.1 -69.1 34 8.0 -61.2 320 12 353.2 353.2 297.3 353.3 0.02 36 155 14071 -65.7 -68.9 64 3.2 -65.7 314 11 353.6 353.6 297.4 353.7 0.02 37 150 14270 -67.1 -72.1 49 5.0 -67.1 310 11 354.5 354.5 297.6 354.6 0.02 38 149 14310 -67.5 -72.5 49 5.0 -67.5 310 11 354.5 354.5 297.6 354.5 0.01 39 123 15441 -76.7 -79.3 66 2.6 -76.7 332 8 357.7 357.7 298.2 357.7 0.01 40 117 15727 -78.9 -81.8 62 2.9 -78.9 13 7 358.8 358.8 298.5 358.8 0.00 41 110 16077 -80.7 -85.6 43 4.9 -80.7 65 6 361.8 361.8 299.1 361.8 0.00 42 102 16507 -77.7 -85.7 26 8.0 -77.7 103 6 375.5 375.5 301.5 375.5 0.00 43 100 16620 -77.9 -85.9 26 8.0 -77.9 145 9 377.2 377.2 301.8 377.2 0.00 44 83 17670 -83.7 -87.2 54 3.5 -83.7 117 11 386.0 386.0 303.2 386.1 0.00 45 70 18640 -73.9 -87.9 10 14.0 -74.0 75 23 426.3 426.3 308.4 426.3 0.00 46 68 18810 -72.3 -88.3 7 16.0 -72.4 80 22 433.3 433.3 309.2 433.3 0.00 47 57 19855 -68.9 -88.9 4 20.0 -69.1 108 13 463.4 463.4 312.1 463.4 0.00 48 50 20640 -67.9 -89.9 3 22.0 -68.1 75 14 483.5 483.5 313.7 483.5 0.00 49 41 21848 -62.9 -88.9 2 26.0 -63.4 70 19 524.2 524.2 316.6 524.2 0.00 50 36 22645 -64.5 -89.5 2 25.0 -65.0 70 25 539.9 539.9 317.5 539.9 0.00 51 33 23183 -59.9 -87.9 1 28.0 -60.7 83 27 565.7 565.7 318.9 565.7 0.01 52 30 23780 -58.7 -86.7 2 28.0 -59.7 105 26 584.6 584.6 319.9 584.7 0.01 53 23 25459 -56.1 -85.1 1 29.0 -57.9 102 29 638.4 638.4 322.2 638.5 0.01 54 23 25459 -56.3 -85.3 1 29.0 -58.0 102 29 637.8 637.8 322.2 637.9 0.01 TRP 110 16077 -80.7 -85.6 43 4.9 -80.7 65 6 361.8 361.8 299.1 361.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 572.39 mb = 4808.31 m = 15775.11 ft Wetbulb zero: 586.59 mb = 4582.24 m = 15033.41 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 81.11 % Est. max temperature: 31.93 C = 89.47 F Sfc-Lift cond lev (LCL): 961.37 mb = 422.39 m = 1385.76 ft T: 22.87 C 700-500 lapse rate: 5.18 C/km ThetaE index: 12.16 C Layer 850.0- 700.0 mb Conv cond level (CCL): 886.74 mb = 1128.58 m = 3702.63 ft Mean mixing ratio: 15.98 g/kg Conv temperature: 28.39 C = 83.10 F Cap Strength: 1.98 C Lifted Index: -0.54 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.36 C Lifted Index @700 mb: -0.20 C Showalter Index: 0.40 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.10 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 218.20 Risk: None Energy Index: -0.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 172.09 J/kg Max Up Vert Vel: 18.55 m/s Conv Inhibition (B-): 75.41 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 915.69 mb = 850.54 m = 2790.45 ft Lev Free Conv (LFC): 710.69 mb = 3010.21 m = 9875.91 ft Equ Level (EL): 420.69 mb = 7204.02 m = 23634.93 ft B at Equ Level: 170.49 J/kg Max Parcel Lev (MPL): 230.69 mb = 11532.35 m = 37835.35 ft Wind level data Storm motion: 113 at 7 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 ---------------------------------------------------------- 0 988 181 0 0 -0.0 -0.0 | 293 7 6.9 -2.9 1 941 610 75 12 -11.6 -3.1 | 38 8 -4.7 -6.0 2 925 763 75 18 -17.4 -4.7 | 54 13 -10.5 -7.6 3 909 914 75 20 -19.3 -5.2 | 57 15 -12.5 -8.1 4 850 1494 75 10 -9.7 -2.6 | 27 6 -2.8 -5.5 5 847 1524 75 10 -9.7 -2.6 | 27 6 -2.8 -5.5 6 788 2134 70 12 -11.3 -4.1 | 32 8 -4.4 -7.0 7 707 3048 100 9 -8.9 1.6 | 56 2 -2.0 -1.4 8 700 3138 110 10 -9.4 3.4 | 101 3 -2.5 0.5 9 656 3658 125 10 -8.2 5.7 | 155 3 -1.3 2.8 10 586 4572 105 7 -6.8 1.8 | 355 1 0.1 -1.1 11 565 4877 55 5 -4.1 -2.9 | 334 6 2.8 -5.8 12 524 5486 65 8 -7.3 -3.4 | 4 6 -0.4 -6.3 13 500 5860 60 11 -9.5 -5.5 | 18 9 -2.7 -8.4 14 485 6096 65 12 -10.9 -5.1 | 27 9 -4.0 -8.0 15 400 7590 70 10 -9.4 -3.4 | 22 7 -2.5 -6.4 16 398 7620 70 10 -9.4 -3.4 | 22 7 -2.5 -6.4 17 324 9144 85 5 -5.0 -0.4 | 331 4 1.9 -3.4 18 300 9710 100 6 -5.9 1.0 | 333 2 1.0 -1.9 19 262 10668 60 4 -3.5 -2.0 | 325 6 3.4 -4.9 20 250 10990 315 1 0.7 -0.7 | 296 8 7.6 -3.6 21 209 12192 300 5 4.3 -2.5 | 296 12 11.2 -5.4 22 200 12470 320 9 5.8 -6.9 | 308 16 12.6 -9.8 23 164 13716 320 12 7.7 -9.2 | 310 19 14.6 -12.1 24 150 14270 310 11 8.4 -7.1 | 303 18 15.3 -10.0 25 127 15240 305 8 6.6 -4.6 | 299 15 13.4 -7.5 26 110 16077 65 6 -5.4 -2.5 | 345 6 1.4 -5.5 27 103 16459 85 5 -5.0 -0.4 | 331 4 1.9 -3.4 28 100 16620 145 9 -5.2 7.4 | 201 5 1.7 4.4 29 74 18288 100 12 -11.8 2.1 | 80 5 -5.0 -0.8 30 70 18640 75 23 -22.2 -6.0 | 60 18 -15.4 -8.9 31 57 19812 110 13 -12.2 4.4 | 106 6 -5.4 1.5 32 50 20640 75 14 -13.5 -3.6 | 45 9 -6.7 -6.6 33 45 21336 70 15 -14.1 -5.1 | 42 11 -7.2 -8.1 34 35 22860 70 27 -25.4 -9.2 | 57 22 -18.5 -12.2 35 30 23780 105 26 -25.1 6.7 | 102 19 -18.3 3.8 36 26 24384 100 29 -28.6 5.0 | 96 22 -21.7 2.1 37 19 25603 105 29 -28.0 7.5 | 102 22 -21.1 4.6 Wind Parameters Mean winds (0-6000m): 83.1 at 10.0 knts Storm direction: 113.1 at 7.5 knts Shear (0-3000m) pos: 2.2 neg: 0.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 172.6 deg Storm rel helicity (0-3000m) pos: 45.8 neg: -11.5 tot: 34.3 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 3.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 132.57 Bulk Shear: 1.30 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 75 7 359 5| 15.2 0.0 15.2| 34.3 0.0 34.3 68.7 0.94| 17.8 16.8 1000 75 12 40 8| 7.6 0.3 7.9| 40.1 -5.1 35.1 35.1 0.63| 13.5 8.6 1500 75 12 39 8| 5.1 1.5 6.5| 40.4 -11.5 28.9 19.2 0.43| 10.9 4.7 2000 74 12 37 8| 3.8 0.8 4.6| 41.5 -11.5 30.0 15.0 0.43| 8.6 3.7 2500 75 12 37 8| 2.7 0.6 3.4| 43.8 -11.5 32.3 12.9 0.42| 7.6 3.2 3000 78 11 39 7| 2.2 0.5 2.7| 45.8 -11.5 34.3 11.4 0.45| 7.1 3.2 4000 87 11 49 5| 1.6 0.5 2.2| 47.4 -12.0 35.4 8.9 0.43| 5.9 2.5 5000 87 10 43 5| 1.3 1.1 2.4| 50.0 -14.0 36.0 7.2 0.33| 5.7 1.9 6000 83 10 36 5| 1.4 0.9 2.3| 59.5 -14.0 45.5 7.6 0.38| 5.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251019.00.gif