UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 20 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 64 SFC 986 181 26.0 23.9 88 2.1 24.5 0 0 300.4 303.9 298.1 357.0 19.27 2 925 752 23.8 21.3 86 2.5 22.0 220 6 303.6 306.9 297.8 355.7 17.50 3 877 1218 23.0 15.0 61 8.0 17.5 197 8 307.5 309.8 295.4 344.7 12.32 4 850 1490 20.2 17.2 83 3.0 18.1 180 8 307.3 310.1 297.0 351.6 14.68 5 817 1831 17.0 16.7 98 0.3 16.8 175 8 307.4 310.2 297.1 352.1 14.80 6 735 2731 13.0 8.8 76 4.2 10.3 176 11 312.5 314.3 294.9 342.5 9.72 7 700 3141 11.0 5.0 66 6.0 7.4 180 12 314.7 316.2 294.1 339.2 7.84 8 671 3493 8.6 2.6 66 6.0 5.2 183 11 315.8 317.1 293.7 337.6 6.90 9 662 3605 9.4 -6.6 32 16.0 1.7 184 11 317.9 318.6 291.5 329.4 3.52 10 658 3655 9.0 -12.0 21 21.0 -0.0 185 11 318.0 318.5 290.5 325.7 2.31 11 650 3756 7.8 -4.2 42 12.0 1.8 187 11 317.8 318.6 292.2 331.7 4.31 12 629 4027 6.2 -16.8 17 23.0 -2.6 193 11 319.0 319.3 290.1 324.5 1.63 13 621 4132 5.6 -8.4 36 14.0 -0.9 195 11 319.4 320.1 291.7 330.2 3.27 14 600 4413 3.8 -13.2 28 17.0 -3.2 201 11 320.5 321.0 291.2 328.2 2.30 15 592 4522 2.6 -2.4 70 5.0 -0.0 203 11 320.4 321.4 293.8 337.9 5.42 16 585 4618 2.4 -11.6 35 14.0 -3.6 205 11 321.2 321.7 291.7 330.2 2.69 17 583 4646 2.0 -5.0 60 7.0 -1.4 205 10 321.1 321.9 293.3 335.8 4.53 18 575 4757 0.8 -3.4 73 4.2 -1.3 205 9 320.9 321.9 293.7 337.7 5.18 19 559 4984 -0.9 -5.2 73 4.3 -3.0 203 9 321.5 322.4 293.5 336.7 4.65 20 554 5056 -0.5 -18.5 24 18.0 -7.0 201 9 322.8 323.1 291.2 328.3 1.60 21 542 5231 -1.5 -20.5 22 19.0 -7.9 197 11 323.7 323.9 291.3 328.4 1.38 22 526 5469 -3.5 -10.5 58 7.0 -6.5 191 13 324.0 324.7 293.0 335.0 3.27 23 521 5545 -3.3 -19.3 28 16.0 -8.9 189 14 325.2 325.5 291.9 330.7 1.59 24 513 5667 -3.5 -23.5 20 20.0 -9.8 188 15 326.4 326.6 291.8 330.3 1.12 25 509 5729 -4.5 -8.2 75 3.7 -6.2 187 15 325.9 326.7 294.1 339.4 4.05 26 508 5745 -4.5 -11.5 58 7.0 -7.5 187 16 326.1 326.7 293.4 336.6 3.12 27 507 5760 -4.5 -14.5 46 10.0 -8.4 186 16 326.3 326.7 293.0 334.6 2.45 28 506 5776 -4.5 -10.5 63 6.0 -7.1 186 16 326.4 327.1 293.8 337.9 3.40 29 504 5807 -3.9 -17.9 33 14.0 -9.0 186 16 327.5 327.9 292.8 334.0 1.86 30 500 5870 -4.1 -28.1 13 24.0 -10.9 185 17 328.0 328.2 291.9 330.8 0.76 31 496 5933 -4.5 -30.5 11 26.0 -11.4 184 17 328.3 328.4 291.9 330.5 0.61 32 423 7165 -12.5 -23.5 39 11.0 -15.8 187 13 333.4 333.6 293.9 338.3 1.36 33 421 7201 -12.3 -30.3 21 18.0 -16.7 187 13 334.1 334.2 293.5 336.8 0.73 34 417 7274 -12.5 -22.5 43 10.0 -15.6 188 13 334.7 335.0 294.4 340.2 1.51 35 408 7440 -12.9 -37.9 10 25.0 -18.0 189 12 336.3 336.4 293.7 337.7 0.36 36 400 7590 -14.1 -34.1 17 20.0 -18.5 190 11 336.7 336.8 294.0 338.7 0.53 37 386 7860 -15.7 -30.7 26 15.0 -19.3 193 12 338.0 338.2 294.6 340.9 0.77 38 385 7880 -15.9 -23.9 50 8.0 -18.3 193 12 338.0 338.3 295.1 343.3 1.44 39 375 8078 -16.5 -31.5 26 15.0 -20.0 200 11 339.8 339.9 294.9 342.5 0.73 40 374 8098 -16.5 -36.5 16 20.0 -20.5 200 11 340.0 340.1 294.7 341.8 0.45 41 369 8200 -17.1 -50.1 4 33.0 -21.7 204 11 340.5 340.6 294.6 341.0 0.11 42 355 8489 -19.5 -31.5 34 12.0 -22.2 213 11 341.1 341.3 295.3 344.0 0.77 43 353 8531 -19.7 -34.7 25 15.0 -22.7 214 11 341.4 341.5 295.2 343.6 0.57 44 344 8723 -21.3 -34.3 30 13.0 -23.9 221 11 341.7 341.9 295.3 344.1 0.61 45 342 8766 -21.7 -28.7 53 7.0 -23.4 222 11 341.8 342.0 295.7 345.7 1.05 46 337 8874 -22.5 -28.5 58 6.0 -23.9 226 10 342.1 342.3 295.8 346.2 1.08 47 332 8984 -23.1 -36.1 29 13.0 -25.5 229 10 342.8 342.9 295.4 344.8 0.53 48 322 9208 -24.9 -35.9 35 11.0 -26.9 237 10 343.3 343.4 295.6 345.4 0.55 49 320 9253 -25.3 -31.3 57 6.0 -26.5 238 10 343.3 343.5 295.9 346.7 0.87 50 316 9344 -25.7 -40.7 23 15.0 -27.9 242 10 344.0 344.1 295.6 345.4 0.35 51 307 9554 -26.9 -38.9 31 12.0 -28.8 249 10 345.2 345.3 296.0 346.9 0.43 52 302 9672 -27.9 -34.9 51 7.0 -29.2 253 10 345.4 345.5 296.2 347.9 0.65 53 300 9720 -28.3 -36.3 46 8.0 -29.6 255 10 345.5 345.6 296.1 347.7 0.57 54 282 10157 -31.7 -45.7 24 14.0 -33.3 250 9 346.8 346.8 296.1 347.7 0.23 55 260 10721 -36.9 -43.9 48 7.0 -37.6 253 7 347.3 347.4 296.3 348.5 0.30 56 258 10775 -37.1 -50.1 25 13.0 -38.1 261 7 347.8 347.8 296.3 348.4 0.15 57 250 10990 -38.9 -48.9 34 10.0 -39.7 295 6 348.2 348.3 296.4 349.0 0.18 58 200 12480 -51.7 -60.7 33 9.0 -52.0 190 4 350.9 350.9 296.9 351.1 0.05 59 150 14280 -66.3 -76.3 23 10.0 -66.4 175 9 355.9 355.9 297.9 355.9 0.01 60 107 16251 -81.3 -86.3 42 5.0 -81.3 110 9 363.5 363.5 299.4 363.6 0.00 61 100 16630 -81.7 -86.7 42 5.0 -81.7 100 11 369.9 369.9 300.5 369.9 0.00 62 83 17671 -83.9 -89.9 34 6.0 -83.9 94 17 385.6 385.6 303.1 385.6 0.00 63 73 18385 -83.1 -90.1 29 7.0 -83.1 96 18 401.8 401.8 305.5 401.8 0.00 64 70 18620 -81.1 -89.1 25 8.0 -81.1 110 14 410.9 410.9 306.6 410.9 0.00 65 50 20590 -66.9 -89.9 3 23.0 -67.1 240 9 485.8 485.8 313.9 485.8 0.00 66 48 20837 -65.3 -90.3 2 25.0 -65.6 237 7 495.4 495.4 314.6 495.4 0.00 67 40 21956 -61.3 -88.3 2 27.0 -61.9 180 3 531.9 531.9 317.1 531.9 0.00 68 38 22273 -62.3 -88.3 2 26.0 -62.9 155 3 537.2 537.2 317.3 537.2 0.00 69 30 23740 -59.9 -87.9 1 28.0 -60.8 80 18 581.3 581.3 319.8 581.4 0.01 70 23 25423 -53.9 -84.9 1 31.0 -56.1 88 29 644.9 644.9 322.5 645.0 0.01 TRP 107 16251 -81.3 -86.3 42 5.0 -81.3 110 9 363.5 363.5 299.4 363.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 567.47 mb = 4863.77 m = 15957.06 ft Wetbulb zero: 658.09 mb = 3654.06 m = 11988.25 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 63.01 % Est. max temperature: 32.97 C = 91.35 F Sfc-Lift cond lev (LCL): 956.78 mb = 449.99 m = 1476.31 ft T: 24.96 C 700-500 lapse rate: 5.53 C/km ThetaE index: 26.35 C Layer 735.0- 650.0 mb Conv cond level (CCL): 842.78 mb = 1563.47 m = 5129.45 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 32.95 C = 91.30 F Cap Strength: 3.18 C Lifted Index: -2.65 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.19 C Lifted Index @700 mb: -0.74 C Showalter Index: -1.72 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.30 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 239.40 Risk: None Energy Index: -3.97 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 955.46 J/kg Max Up Vert Vel: 43.71 m/s Conv Inhibition (B-): 58.74 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 892.95 mb = 1060.46 m = 3479.17 ft Lev Free Conv (LFC): 817.95 mb = 1821.07 m = 5974.56 ft Equ Level (EL): 167.95 mb = 13572.67 m = 44529.20 ft B at Equ Level: 954.78 J/kg Max Parcel Lev (MPL): 87.95 mb = 17346.94 m = 56911.84 ft Wind level data Storm motion: 218 at 8 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 ---------------------------------------------------------- 0 986 181 0 0 -0.0 -0.0 | 38 8 -4.7 -5.9 1 940 610 220 5 3.2 3.8 | 35 3 -1.5 -2.1 2 925 752 220 6 3.9 4.6 | 32 2 -0.8 -1.3 3 908 914 215 7 4.0 5.7 | 73 1 -0.7 -0.2 4 850 1490 180 8 0.0 8.0 | 114 5 -4.7 2.1 5 847 1524 180 8 0.0 8.0 | 114 5 -4.7 2.1 6 788 2134 170 9 -1.6 8.9 | 115 7 -6.3 2.9 7 708 3048 180 12 0.0 12.0 | 142 8 -4.7 6.1 8 700 3141 180 12 0.0 12.0 | 142 8 -4.7 6.1 9 657 3658 185 11 1.0 11.0 | 143 6 -3.7 5.0 10 587 4572 205 11 4.6 10.0 | 179 4 -0.0 4.0 11 565 4877 205 8 3.4 7.3 | 135 2 -1.3 1.3 12 524 5486 190 13 2.3 12.8 | 161 7 -2.4 6.9 13 500 5870 185 17 1.5 16.9 | 164 11 -3.2 11.0 14 486 6096 180 18 0.0 18.0 | 159 13 -4.7 12.1 15 400 7590 190 11 1.9 10.8 | 150 6 -2.8 4.9 16 398 7620 185 12 1.0 12.0 | 149 7 -3.6 6.0 17 324 9144 235 10 8.2 5.7 | 273 4 3.5 -0.2 18 300 9720 255 10 9.7 2.6 | 304 6 5.0 -3.3 19 262 10668 245 7 6.3 3.0 | 331 3 1.7 -3.0 20 250 10990 295 6 5.4 -2.5 | 355 9 0.7 -8.5 21 209 12192 360 1 -0.0 -1.0 | 34 8 -4.7 -6.9 22 200 12480 190 4 0.7 3.9 | 63 4 -4.0 -2.0 23 164 13716 180 6 0.0 6.0 | 91 5 -4.7 0.1 24 150 14280 175 9 -0.8 9.0 | 119 6 -5.5 3.0 25 127 15240 155 8 -3.4 7.3 | 99 8 -8.1 1.3 26 107 16251 110 9 -8.5 3.1 | 78 13 -13.1 -2.9 27 103 16459 105 9 -8.7 2.3 | 75 14 -13.4 -3.6 28 100 16630 100 11 -10.8 1.9 | 75 16 -15.5 -4.0 29 74 18288 90 20 -20.0 0.0 | 76 25 -24.7 -5.9 30 70 18620 110 14 -13.2 4.8 | 86 18 -17.8 -1.1 31 57 19812 125 17 -13.9 9.8 | 102 19 -18.6 3.8 32 50 20590 240 9 7.8 4.5 | 295 3 3.1 -1.4 33 44 21336 230 2 1.5 1.3 | 34 6 -3.2 -4.6 34 35 22860 110 4 -3.8 1.4 | 62 10 -8.4 -4.6 35 30 23740 80 18 -17.7 -3.1 | 68 24 -22.4 -9.1 36 26 24384 85 26 -25.9 -2.3 | 75 32 -30.6 -8.2 37 18 25908 95 37 -36.9 3.2 | 86 42 -41.5 -2.7 Wind Parameters Mean winds (0-6000m): 188.3 at 10.1 knts Storm direction: 218.3 at 7.6 knts Shear (0-3000m) pos: 0.6 neg: 1.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -6.6 tot: 1.7 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 119.48 Bulk Shear: 8.00 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 ------------------------------------------------------------------------------- 500 220 3 37 5| 0.0 5.7 5.7| 1.1 -6.4 -5.3 -10.6 -0.25| 8.6 -2.1 1000 214 5 46 3| 0.0 3.8 3.8| 1.5 -6.4 -4.8 -4.8 -0.04| 6.2 -0.2 1500 201 6 80 3| 0.0 2.8 2.8| 1.6 -6.6 -5.0 -3.3 -0.04| 5.2 -0.2 2000 191 7 99 3| 0.0 2.4 2.4| 2.0 -6.6 -4.6 -2.3 -0.02| 4.3 -0.1 2500 186 7 108 4| 0.4 1.9 2.3| 5.5 -6.6 -1.1 -0.4 0.08| 3.8 0.3 3000 184 8 117 5| 0.6 1.6 2.1| 8.3 -6.6 1.7 0.6 0.15| 3.4 0.5 4000 185 9 126 5| 0.6 1.2 1.8| 11.0 -6.6 4.4 1.1 0.20| 3.0 0.6 5000 189 9 133 4| 0.6 1.1 1.7| 13.4 -8.0 5.5 1.1 0.17| 3.2 0.5 6000 188 10 141 5| 0.5 1.6 2.1| 14.6 -11.3 3.3 0.6 0.12| 3.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250420.00.gif