UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 21 APR 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 77 SFC 988 181 26.4 23.9 86 2.5 24.6 0 0 300.6 304.1 298.1 357.2 19.23 2 925 766 25.8 19.8 70 6.0 21.5 255 6 305.7 308.7 297.4 353.4 15.91 3 923 785 25.8 19.8 70 6.0 21.5 253 6 305.9 308.9 297.4 353.7 15.95 4 850 1507 20.2 18.4 89 1.8 18.9 165 9 307.3 310.3 297.7 355.2 15.86 5 840 1609 19.4 18.0 92 1.4 18.4 165 9 307.5 310.4 297.7 354.7 15.65 6 770 2354 15.0 12.0 82 3.0 13.0 164 11 310.5 312.7 295.7 345.7 11.52 7 700 3158 11.0 4.0 62 7.0 6.9 165 11 314.7 316.1 293.7 337.6 7.30 8 562 4956 1.0 -13.0 34 14.0 -4.8 151 12 323.3 323.8 292.2 331.7 2.50 9 560 4984 1.0 -19.0 21 20.0 -6.2 150 12 323.6 323.9 291.4 328.8 1.52 10 557 5028 0.8 -11.2 40 12.0 -4.4 147 12 323.9 324.4 292.7 333.6 2.92 11 553 5085 1.0 -16.0 27 17.0 -5.6 144 12 324.8 325.2 292.2 331.6 1.98 12 549 5144 0.6 -7.4 55 8.0 -3.2 140 12 325.0 325.8 293.9 338.3 4.00 13 534 5366 0.0 -19.0 22 19.0 -6.9 127 12 326.8 327.1 292.4 332.4 1.59 14 519 5594 -1.5 -13.5 39 12.0 -6.5 125 11 327.7 328.2 293.4 336.6 2.60 15 507 5780 -2.1 -24.1 17 22.0 -9.1 134 9 329.2 329.4 292.5 333.0 1.07 16 500 5890 -2.9 -21.9 22 19.0 -9.3 140 8 329.5 329.8 292.9 334.2 1.32 17 471 6359 -6.3 -29.3 14 23.0 -12.5 138 6 331.0 331.1 292.7 333.6 0.72 18 435 6973 -10.9 -28.9 21 18.0 -15.6 146 6 332.7 332.9 293.2 335.7 0.81 19 426 7133 -12.5 -22.5 43 10.0 -15.6 149 6 332.7 333.0 293.8 338.0 1.47 20 416 7314 -13.7 -29.7 25 16.0 -17.6 151 6 333.4 333.6 293.4 336.3 0.78 21 415 7332 -13.9 -22.9 47 9.0 -16.6 151 6 333.4 333.7 294.0 338.6 1.46 22 412 7387 -13.9 -31.9 20 18.0 -18.1 152 6 334.1 334.2 293.4 336.5 0.64 23 406 7498 -14.9 -19.8 66 4.9 -16.5 153 6 334.2 334.6 294.6 341.1 1.96 24 400 7610 -15.7 -22.7 55 7.0 -17.8 155 6 334.6 334.9 294.3 340.1 1.54 25 391 7781 -17.3 -25.3 50 8.0 -19.4 140 7 334.7 334.9 294.1 339.2 1.25 26 389 7820 -17.5 -27.5 41 10.0 -20.0 137 6 334.9 335.1 294.0 338.7 1.03 27 382 7956 -17.3 -42.3 9 25.0 -21.4 128 6 336.9 337.0 293.8 337.9 0.24 28 378 8035 -17.1 -37.1 16 20.0 -21.0 123 6 338.2 338.3 294.3 339.8 0.42 29 374 8115 -17.7 -30.7 31 13.0 -20.7 118 6 338.4 338.6 294.7 341.4 0.79 30 352 8567 -20.7 -45.7 9 25.0 -24.2 89 5 340.3 340.3 294.6 341.0 0.18 31 333 8976 -23.9 -42.9 16 19.0 -26.6 62 3 341.4 341.4 294.9 342.4 0.26 32 321 9243 -26.5 -33.5 52 7.0 -27.8 55 3 341.4 341.5 295.3 344.1 0.70 33 318 9311 -26.9 -34.9 47 8.0 -28.3 59 4 341.7 341.9 295.3 344.1 0.62 34 313 9425 -27.5 -32.5 62 5.0 -28.5 66 4 342.4 342.6 295.6 345.5 0.80 35 310 9495 -27.7 -39.7 31 12.0 -29.5 71 4 343.1 343.2 295.4 344.7 0.39 36 304 9635 -28.5 -43.5 22 15.0 -30.4 79 5 343.9 344.0 295.5 345.0 0.27 37 300 9730 -29.3 -40.3 34 11.0 -30.9 85 5 344.1 344.2 295.7 345.6 0.38 38 292 9923 -30.7 -37.7 50 7.0 -31.7 84 5 344.8 344.9 295.9 346.8 0.51 39 289 9996 -31.3 -42.3 33 11.0 -32.7 84 5 344.9 345.0 295.8 346.2 0.32 40 286 10070 -31.5 -35.1 70 3.6 -32.1 83 5 345.7 345.8 296.3 348.3 0.68 41 283 10145 -31.9 -39.9 45 8.0 -33.0 83 5 346.1 346.2 296.1 347.8 0.42 42 281 10195 -32.1 -36.3 66 4.2 -32.7 83 5 346.6 346.7 296.4 348.9 0.61 43 278 10270 -32.5 -37.5 61 5.0 -33.2 82 5 347.0 347.2 296.4 349.2 0.55 44 264 10633 -35.5 -39.6 66 4.1 -36.0 80 5 347.8 347.9 296.5 349.7 0.46 45 253 10928 -37.7 -42.5 61 4.8 -38.2 54 7 348.8 348.9 296.7 350.3 0.36 46 250 11010 -38.5 -45.5 48 7.0 -39.1 45 7 348.8 348.9 296.6 349.9 0.26 47 248 11065 -38.9 -48.9 34 10.0 -39.7 45 7 349.0 349.1 296.6 349.8 0.18 48 239 11317 -41.1 -46.1 58 5.0 -41.5 45 7 349.4 349.5 296.7 350.5 0.26 49 229 11606 -43.5 -54.5 29 11.0 -44.1 45 7 350.1 350.1 296.7 350.5 0.10 50 224 11754 -44.7 -49.2 61 4.5 -45.0 45 6 350.4 350.5 296.9 351.2 0.19 51 215 12026 -47.5 -53.5 50 6.0 -47.8 45 6 350.2 350.3 296.8 350.8 0.12 52 202 12435 -50.5 -56.5 49 6.0 -50.7 53 7 351.8 351.8 297.1 352.2 0.09 53 200 12500 -50.9 -61.9 26 11.0 -51.2 55 7 352.2 352.2 297.1 352.4 0.05 54 150 14300 -66.5 -72.5 43 6.0 -66.5 45 9 355.5 355.5 297.8 355.6 0.01 55 138 14798 -70.9 -74.1 62 3.2 -70.9 66 11 356.4 356.4 298.0 356.4 0.01 56 100 16650 -81.7 -86.6 43 4.9 -81.7 85 28 369.9 369.9 300.5 369.9 0.00 57 93 17053 -84.7 -89.4 43 4.7 -84.7 100 29 371.7 371.7 300.9 371.7 0.00 58 89 17298 -81.5 -87.5 35 6.0 -81.5 107 26 382.8 382.8 302.7 382.8 0.00 59 77 18113 -80.1 -88.1 25 8.0 -80.1 130 14 401.9 401.9 305.5 401.9 0.00 60 70 18650 -81.5 -89.5 24 8.0 -81.5 120 7 410.0 410.0 306.5 410.0 0.00 61 66 18980 -81.9 -89.9 24 8.0 -81.9 113 7 416.1 416.1 307.3 416.1 0.00 62 63 19242 -79.9 -90.9 14 11.0 -79.9 107 6 426.1 426.1 308.4 426.1 0.00 63 58 19718 -73.1 -91.1 5 18.0 -73.2 97 6 451.6 451.6 311.0 451.7 0.00 64 55 20029 -73.1 -91.1 5 18.0 -73.2 101 8 458.6 458.6 311.7 458.6 0.00 65 50 20600 -63.9 -90.9 1 27.0 -64.3 115 13 492.9 492.9 314.4 492.9 0.00 66 49 20725 -62.9 -89.9 1 27.0 -63.3 114 12 498.1 498.1 314.8 498.1 0.00 67 46 21115 -62.5 -89.5 1 27.0 -63.0 111 9 508.2 508.2 315.5 508.2 0.00 68 41 21827 -62.9 -88.9 2 26.0 -63.4 97 10 524.2 524.2 316.6 524.2 0.00 69 36 22630 -62.9 -89.9 1 27.0 -63.4 76 14 544.0 544.0 317.8 544.1 0.00 70 30 23770 -57.5 -87.5 1 30.0 -58.7 80 25 587.9 587.9 320.0 587.9 0.01 71 29 23984 -57.5 -87.5 1 30.0 -58.7 79 25 593.6 593.6 320.3 593.7 0.01 TRP 93 17053 -84.7 -89.4 43 4.7 -84.7 100 29 371.7 371.7 300.9 371.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 534.00 mb = 5365.95 m = 17604.59 ft Wetbulb zero: 618.63 mb = 4169.71 m = 13679.99 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 61.04 % Est. max temperature: 33.38 C = 92.09 F Sfc-Lift cond lev (LCL): 953.18 mb = 499.56 m = 1638.94 ft T: 26.07 C 700-500 lapse rate: 5.09 C/km ThetaE index: 26.32 C Layer 840.0- 557.0 mb Conv cond level (CCL): 836.45 mb = 1645.56 m = 5398.75 ft Mean mixing ratio: 16.94 g/kg Conv temperature: 33.45 C = 92.21 F Cap Strength: 2.37 C Lifted Index: -1.63 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.48 C Lifted Index @700 mb: -0.86 C Showalter Index: -1.69 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.30 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.80 Risk: None Energy Index: -4.04 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1026.82 J/kg Max Up Vert Vel: 45.32 m/s Conv Inhibition (B-): 58.91 J/kg Cap Strength: 2.37 C Lift Cond Lev (LCL): 877.43 mb = 1228.77 m = 4031.35 ft Lev Free Conv (LFC): 782.43 mb = 2217.13 m = 7273.96 ft Equ Level (EL): 162.43 mb = 13801.98 m = 45281.55 ft B at Equ Level: 1025.56 J/kg Max Parcel Lev (MPL): 82.43 mb = 17729.90 m = 58168.25 ft Wind level data Storm motion: 191 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 | 11 7 -1.4 -7.3 1 941 610 265 5 5.0 0.4 | 332 8 3.6 -6.9 2 925 766 255 6 5.8 1.6 | 323 7 4.4 -5.8 3 909 914 240 6 5.2 3.0 | 319 6 3.8 -4.3 4 850 1507 165 9 -2.3 8.7 | 110 4 -3.7 1.4 5 848 1524 165 9 -2.3 8.7 | 110 4 -3.7 1.4 6 790 2134 165 11 -2.8 10.6 | 128 5 -4.2 3.3 7 709 3048 160 13 -4.4 12.2 | 130 8 -5.8 4.9 8 700 3158 165 11 -2.8 10.6 | 128 5 -4.2 3.3 9 658 3658 160 11 -3.8 10.3 | 120 6 -5.1 3.0 10 588 4572 165 13 -3.4 12.6 | 138 7 -4.7 5.2 11 566 4877 155 12 -5.1 10.9 | 119 7 -6.5 3.5 12 525 5486 120 12 -10.4 6.0 | 83 12 -11.8 -1.3 13 500 5890 140 8 -5.1 6.1 | 79 7 -6.5 -1.2 14 487 6096 135 6 -4.2 4.2 | 61 6 -5.6 -3.1 15 400 7610 155 6 -2.5 5.4 | 64 4 -3.9 -1.9 16 399 7620 150 7 -3.5 6.1 | 75 5 -4.9 -1.3 17 325 9144 50 3 -2.3 -1.9 | 22 10 -3.7 -9.3 18 300 9730 85 5 -5.0 -0.4 | 39 10 -6.4 -7.8 19 262 10668 80 5 -4.9 -0.9 | 38 10 -6.3 -8.2 20 250 11010 45 7 -4.9 -4.9 | 27 14 -6.3 -12.3 21 209 12192 45 6 -4.2 -4.2 | 26 13 -5.6 -11.6 22 200 12500 55 7 -5.7 -4.0 | 32 13 -7.1 -11.4 23 165 13716 95 6 -6.0 0.5 | 47 10 -7.4 -6.8 24 150 14300 45 9 -6.4 -6.4 | 29 16 -7.7 -13.7 25 128 15240 85 13 -13.0 -1.1 | 59 17 -14.3 -8.5 26 103 16459 85 21 -20.9 -1.8 | 68 24 -22.3 -9.2 27 100 16650 85 28 -27.9 -2.4 | 72 31 -29.3 -9.8 28 93 17053 100 29 -28.6 5.0 | 86 30 -29.9 -2.3 29 75 18288 135 12 -8.5 8.5 | 97 10 -9.9 1.1 30 70 18650 120 7 -6.1 3.5 | 63 8 -7.4 -3.8 31 57 19812 95 6 -6.0 0.5 | 47 10 -7.4 -6.8 32 50 20600 115 13 -11.8 5.5 | 82 13 -13.2 -1.8 33 44 21336 110 7 -6.6 2.4 | 58 9 -8.0 -4.9 34 35 22860 70 15 -14.1 -5.1 | 51 20 -15.5 -12.5 35 30 23770 80 25 -24.6 -4.3 | 66 29 -26.0 -11.7 36 26 24384 75 24 -23.2 -6.2 | 61 28 -24.6 -13.6 Wind Parameters Mean winds (0-6000m): 160.6 at 10.0 knts Storm direction: 190.6 at 7.5 knts Shear (0-3000m) pos: 0.2 neg: 2.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 1.9 neg: -19.5 tot: -17.6 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 64.03 Bulk Shear: 16.04 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 ------------------------------------------------------------------------------- 500 264 3 348 7| 0.0 5.6 5.6| 0.0 -14.1 -14.1 -28.2 -0.86| 7.5 -6.5 1000 244 5 333 6| 0.0 3.8 3.8| 0.0 -18.1 -18.1 -18.1 -0.67| 7.1 -4.8 1500 209 6 325 3| 0.0 3.3 3.3| 0.3 -19.0 -18.8 -12.5 -0.62| 7.2 -4.5 2000 189 7 33 0| 0.0 2.9 2.9| 1.6 -19.0 -17.5 -8.7 -0.53| 5.8 -3.1 2500 180 8 115 1| 0.0 2.5 2.5| 1.8 -19.0 -17.2 -6.9 -0.50| 4.9 -2.4 3000 175 9 122 3| 0.2 2.1 2.3| 1.9 -19.5 -17.6 -5.9 -0.45| 4.5 -2.1 4000 170 9 123 4| 0.1 1.6 1.7| 3.7 -20.5 -16.8 -4.2 -0.41| 3.7 -1.5 5000 167 10 124 4| 0.1 1.3 1.4| 5.1 -31.3 -26.2 -5.2 -0.45| 3.7 -1.7 6000 161 10 114 5| 0.4 0.9 1.4| 5.4 -44.2 -38.8 -6.5 -0.46| 4.0 -1.8 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250421.00.gif