UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 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 37 SFC 984 181 36.0 27.0 60 9.0 29.0 290 3 310.6 315.0 302.6 382.5 23.37 2 928 708 29.6 19.6 55 10.0 22.3 145 7 309.3 312.2 298.1 356.9 15.66 3 925 737 29.2 19.2 55 10.0 22.0 150 7 309.2 312.1 297.8 355.7 15.31 4 850 1484 22.6 17.6 73 5.0 19.1 220 13 309.8 312.7 297.8 355.7 15.07 5 790 2117 17.0 15.8 93 1.2 16.2 234 14 310.4 313.1 297.6 354.5 14.44 6 700 3140 10.2 9.8 97 0.4 9.9 170 14 313.8 315.9 296.1 347.7 10.94 7 668 3527 7.8 7.0 95 0.8 7.3 174 13 315.3 317.1 295.5 344.9 9.46 8 631 3995 5.2 3.1 86 2.1 4.0 182 14 317.5 319.0 294.7 341.6 7.61 9 599 4420 4.4 -22.6 12 27.0 -4.7 191 16 321.4 321.6 290.3 325.0 1.04 10 595 4474 4.8 -25.2 9 30.0 -4.8 193 17 322.4 322.6 290.4 325.4 0.83 11 588 4571 4.0 -27.0 8 31.0 -5.5 195 17 322.6 322.7 290.3 325.1 0.71 12 551 5096 0.8 -28.2 9 29.0 -7.7 190 20 324.9 325.0 290.9 327.3 0.68 13 541 5243 0.0 -18.0 24 18.0 -6.7 186 21 325.6 326.0 292.2 331.5 1.71 14 538 5288 -0.3 -8.3 55 8.0 -4.0 185 21 325.8 326.5 293.9 338.5 3.80 15 519 5574 -2.7 -6.3 76 3.6 -4.4 179 21 326.2 327.2 294.7 341.6 4.61 16 514 5651 -2.5 -8.5 63 6.0 -5.3 178 21 327.4 328.2 294.4 340.6 3.92 17 508 5744 -2.7 -16.7 33 14.0 -8.0 177 20 328.3 328.7 293.2 335.3 2.04 18 500 5870 -3.1 -16.1 36 13.0 -8.1 175 19 329.3 329.7 293.5 336.8 2.18 19 491 6013 -4.1 -21.1 25 17.0 -9.9 172 19 329.7 330.0 293.0 334.9 1.45 20 462 6490 -7.1 -17.1 45 10.0 -10.8 171 17 331.8 332.2 294.1 339.4 2.17 21 456 6592 -7.5 -25.5 22 18.0 -12.9 172 16 332.5 332.8 293.4 336.4 1.05 22 443 6816 -8.9 -28.9 18 20.0 -14.3 172 15 333.5 333.7 293.4 336.5 0.79 23 435 6957 -9.7 -20.7 40 11.0 -13.4 173 14 334.3 334.6 294.4 340.3 1.69 24 428 7082 -9.9 -33.9 12 24.0 -15.6 173 13 335.6 335.7 293.7 337.5 0.51 25 407 7468 -12.5 -38.5 9 26.0 -17.7 175 11 337.1 337.1 293.9 338.4 0.34 26 400 7600 -12.9 -25.9 33 13.0 -16.6 175 10 338.2 338.5 294.9 342.5 1.16 27 397 7657 -13.1 -24.1 39 11.0 -16.4 175 12 338.7 339.0 295.2 343.7 1.37 28 373 8129 -17.3 -25.3 50 8.0 -19.5 182 11 339.2 339.5 295.3 344.0 1.31 29 371 8170 -17.5 -30.5 31 13.0 -20.5 182 11 339.5 339.6 294.9 342.5 0.81 30 356 8478 -19.5 -37.5 19 18.0 -22.8 186 10 340.8 340.9 294.9 342.5 0.43 31 300 9730 -27.9 -44.9 18 17.0 -30.0 270 6 346.1 346.1 296.0 347.0 0.23 32 293 9899 -29.1 -52.1 9 23.0 -31.3 269 6 346.7 346.7 296.0 347.1 0.11 33 253 10928 -38.3 -49.3 31 11.0 -39.2 341 2 347.9 348.0 296.3 348.6 0.17 34 252 10955 -38.3 -59.3 9 21.0 -39.5 349 2 348.3 348.3 296.3 348.5 0.05 35 250 11010 -38.5 -54.5 17 16.0 -39.5 5 1 348.8 348.8 296.4 349.2 0.09 36 246 11120 -39.3 -50.3 30 11.0 -40.1 19 1 349.2 349.3 296.6 349.9 0.16 37 229 11605 -43.5 -58.5 18 15.0 -44.2 79 3 350.1 350.1 296.7 350.3 0.06 38 223 11783 -44.7 -54.7 32 10.0 -45.2 102 4 350.9 350.9 296.9 351.3 0.10 39 221 11843 -44.9 -48.7 66 3.8 -45.2 109 4 351.5 351.5 297.1 352.4 0.21 40 218 11934 -45.7 -48.5 73 2.8 -45.9 121 5 351.6 351.7 297.2 352.5 0.21 41 213 12088 -47.1 -52.1 56 5.0 -47.4 141 6 351.8 351.8 297.1 352.4 0.15 42 200 12500 -50.9 -53.5 74 2.6 -51.0 110 5 352.2 352.2 297.2 352.7 0.13 43 197 12599 -51.5 -57.5 49 6.0 -51.7 113 5 352.7 352.8 297.3 353.1 0.08 44 189 12867 -54.1 -57.4 67 3.3 -54.2 120 7 352.8 352.8 297.3 353.1 0.09 45 175 13357 -58.9 -63.4 56 4.5 -59.0 134 9 352.7 352.7 297.3 352.9 0.04 46 155 14110 -64.7 -72.7 32 8.0 -64.8 112 12 355.3 355.3 297.8 355.3 0.01 47 150 14310 -66.5 -73.5 37 7.0 -66.5 95 13 355.5 355.5 297.8 355.6 0.01 48 135 14937 -72.1 -75.1 64 3.0 -72.1 92 12 356.5 356.5 298.0 356.5 0.01 49 132 15068 -72.9 -77.6 49 4.7 -72.9 91 11 357.3 357.3 298.2 357.4 0.01 50 130 15158 -72.9 -79.9 34 7.0 -72.9 91 11 358.9 358.9 298.5 358.9 0.01 51 118 15719 -76.5 -85.5 23 9.0 -76.5 96 17 362.4 362.4 299.2 362.4 0.00 52 100 16660 -80.3 -87.3 30 7.0 -80.3 70 31 372.6 372.6 301.0 372.6 0.00 53 85 17564 -85.1 -89.1 49 4.0 -85.1 85 42 380.6 380.6 302.3 380.6 0.00 54 74 18336 -79.3 -88.3 21 9.0 -79.3 101 38 408.2 408.2 306.3 408.2 0.00 55 70 18650 -80.7 -89.7 21 9.0 -80.7 105 22 411.7 411.7 306.7 411.7 0.00 56 67 18898 -80.9 -90.9 17 10.0 -80.9 117 22 416.5 416.5 307.3 416.5 0.00 57 60 19527 -76.9 -90.9 9 14.0 -76.9 148 24 438.8 438.8 309.7 438.8 0.00 58 55 20039 -68.5 -91.5 2 23.0 -68.7 172 18 469.1 469.1 312.5 469.1 0.00 59 50 20610 -69.9 -89.9 4 20.0 -70.1 200 3 478.8 478.8 313.4 478.8 0.00 60 49 20731 -70.5 -90.5 4 20.0 -70.6 188 4 480.1 480.1 313.5 480.1 0.00 61 46 21108 -69.9 -90.9 3 21.0 -70.1 150 9 490.3 490.3 314.2 490.3 0.00 62 41 21811 -60.5 -88.5 1 28.0 -61.2 123 13 530.2 530.2 316.9 530.2 0.00 63 38 22287 -59.3 -88.3 1 29.0 -60.1 117 15 544.9 544.9 317.8 544.9 0.00 64 34 22985 -60.1 -88.1 1 28.0 -60.9 108 19 560.4 560.4 318.6 560.4 0.00 65 30 23770 -59.1 -88.1 1 29.0 -60.1 95 28 583.5 583.5 319.8 583.6 0.01 66 29 23982 -59.3 -88.3 1 29.0 -60.3 95 29 588.7 588.7 320.1 588.7 0.01 67 28 24204 -55.5 -86.5 1 31.0 -57.1 95 31 605.2 605.2 320.9 605.2 0.01 68 24 25182 -57.5 -87.5 1 30.0 -59.0 93 35 626.6 626.6 321.7 626.7 0.01 TRP 85 17564 -85.1 -89.1 49 4.0 -85.1 85 42 380.6 380.6 302.3 380.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5833.00 m Freezing level: 541.00 mb = 5243.04 m = 17201.38 ft Wetbulb zero: 616.27 mb = 4187.73 m = 13739.10 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 65.22 % Est. max temperature: 35.40 C = 95.72 F Sfc-Lift cond lev (LCL): 865.59 mb = 1323.42 m = 4341.89 ft T: 24.02 C 700-500 lapse rate: 4.87 C/km ThetaE index: 30.72 C Layer 790.0- 595.0 mb Conv cond level (CCL): 814.61 mb = 1851.70 m = 6075.05 ft Mean mixing ratio: 17.59 g/kg Conv temperature: 35.58 C = 96.05 F Cap Strength: 0.42 C Lifted Index: -4.47 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.24 C Lifted Index @700 mb: -3.77 C Showalter Index: -2.09 C Risk: Severe thunderstorms possible Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 20.70 C K Index: 42.90 Risk: > 80 % chance of thunderstorms Sweat Index: 256.20 Risk: None Energy Index: -3.67 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2761.51 J/kg Max Up Vert Vel: 74.32 m/s Conv Inhibition (B-): 7.99 J/kg Cap Strength: 0.91 C Lift Cond Lev (LCL): 820.64 mb = 1787.93 m = 5865.84 ft Lev Free Conv (LFC): 805.64 mb = 1947.43 m = 6389.12 ft Equ Level (EL): 115.64 mb = 15833.59 m = 51946.86 ft B at Equ Level: 2753.61 J/kg Max Parcel Lev (MPL): 55.64 mb = 19971.31 m = 65521.88 ft Wind level data Storm motion: 220 at 11 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 ---------------------------------------------------------- 0 984 181 290 3 2.8 -1.0 | 24 10 -4.1 -9.3 1 938 610 130 8 -6.1 5.1 | 76 13 -13.1 -3.2 2 925 737 150 7 -3.5 6.1 | 78 11 -10.5 -2.3 3 907 914 175 8 -0.7 8.0 | 87 8 -7.7 -0.3 4 850 1484 220 13 8.4 10.0 | 221 2 1.4 1.6 5 846 1524 220 13 8.4 10.0 | 221 2 1.4 1.6 6 788 2134 235 14 11.5 8.0 | 274 5 4.5 -0.3 7 708 3048 175 14 -1.2 13.9 | 125 10 -8.2 5.6 8 700 3140 170 14 -2.4 13.8 | 120 11 -9.4 5.5 9 657 3658 175 13 -1.1 13.0 | 120 9 -8.1 4.6 10 587 4572 195 17 4.4 16.4 | 163 8 -2.6 8.1 11 565 4877 195 19 4.9 18.4 | 169 10 -2.0 10.0 12 524 5486 180 22 0.0 22.0 | 153 15 -7.0 13.7 13 500 5870 175 19 -1.7 18.9 | 141 14 -8.6 10.6 14 486 6096 170 19 -3.3 18.7 | 135 15 -10.3 10.4 15 400 7600 175 10 -0.9 10.0 | 102 8 -7.8 1.6 16 399 7620 175 12 -1.0 12.0 | 114 9 -8.0 3.6 17 325 9144 195 9 2.3 8.7 | 95 5 -4.6 0.4 18 300 9730 270 6 6.0 -0.0 | 7 8 -1.0 -8.3 19 262 10668 265 5 5.0 0.4 | 14 8 -2.0 -7.9 20 250 11010 5 1 -0.1 -1.0 | 37 12 -7.0 -9.3 21 209 12192 155 6 -2.5 5.4 | 73 10 -9.5 -2.9 22 200 12500 110 5 -4.7 1.7 | 60 13 -11.7 -6.6 23 165 13716 145 11 -6.3 9.0 | 93 13 -13.3 0.7 24 150 14310 95 13 -13.0 1.1 | 70 21 -19.9 -7.2 25 128 15240 90 11 -11.0 0.0 | 65 20 -18.0 -8.3 26 104 16459 105 26 -25.1 6.7 | 87 32 -32.1 -1.6 27 100 16660 70 31 -29.1 -10.6 | 62 41 -36.1 -18.9 28 85 17564 85 42 -41.8 -3.7 | 76 50 -48.8 -12.0 29 75 18288 100 41 -40.4 7.1 | 89 47 -47.3 -1.2 30 70 18650 105 22 -21.3 5.7 | 85 28 -28.2 -2.6 31 57 19812 160 24 -8.2 22.6 | 133 21 -15.2 14.2 32 50 20610 200 3 1.0 2.8 | 47 8 -5.9 -5.5 33 44 21336 130 11 -8.4 7.1 | 85 15 -15.4 -1.2 34 35 22860 110 17 -16.0 5.8 | 84 23 -22.9 -2.5 35 30 23770 95 28 -27.9 2.4 | 80 35 -34.8 -5.9 36 26 24384 95 34 -33.9 3.0 | 83 41 -40.8 -5.4 37 20 25603 90 38 -38.0 0.0 | 80 46 -45.0 -8.3 Wind Parameters Mean winds (0-6000m): 189.9 at 14.5 knts Storm direction: 219.9 at 10.8 knts Shear (0-3000m) pos: 2.7 neg: 4.1 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 96.4 deg Storm rel helicity (0-3000m) pos: 23.9 neg: -18.2 tot: 5.7 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.9 10^-3/s Energy-Hel index: 0.41 Bulk Rich Number: 153.44 Bulk Shear: 18.00 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 ------------------------------------------------------------------------------- 500 139 6 70 11| 0.0 10.4 10.4| 11.0 -0.9 10.0 20.1 0.42| 15.2 6.4 1000 165 7 81 9| 4.4 5.2 9.6| 18.9 -0.9 18.0 18.0 0.44| 12.0 5.3 1500 193 9 93 5| 4.9 3.5 8.4| 22.4 -0.9 21.5 14.3 0.53| 10.3 5.4 2000 208 10 105 2| 4.1 2.6 6.7| 23.9 -1.4 22.6 11.3 0.52| 8.5 4.4 2500 210 11 126 2| 3.3 3.7 7.0| 23.9 -8.4 15.5 6.2 0.24| 8.4 2.0 3000 204 11 132 3| 2.7 4.1 6.8| 23.9 -18.2 5.7 1.9 0.11| 8.2 0.9 4000 195 12 131 5| 2.6 3.1 5.7| 32.3 -18.3 14.0 3.5 0.17| 6.8 1.1 5000 194 13 141 6| 2.4 2.8 5.2| 41.4 -23.2 18.2 3.6 0.18| 6.3 1.1 6000 190 14 143 7| 2.0 2.7 4.7| 41.4 -47.5 -6.2 -1.0 0.07| 6.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250420.12.gif