UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 30 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 93 SFC 989 181 24.6 22.7 89 1.9 23.2 0 0 298.7 301.9 296.8 350.7 17.83 2 977 290 25.2 21.7 81 3.5 22.7 18 2 300.3 303.4 296.7 350.1 16.96 3 930 731 24.8 15.8 57 9.0 18.7 70 9 304.2 306.5 294.5 340.6 12.23 4 925 779 24.4 16.4 61 8.0 18.9 70 10 304.3 306.6 294.9 342.3 12.78 5 865 1365 21.0 14.0 64 7.0 16.3 100 12 306.6 308.8 294.7 341.8 11.70 6 853 1486 19.6 16.9 84 2.7 17.7 108 13 306.4 309.0 296.5 349.5 14.35 7 850 1516 19.6 16.0 80 3.6 17.1 110 13 306.7 309.2 296.1 347.5 13.58 8 789 2153 15.2 12.4 83 2.8 13.4 130 12 308.6 310.7 295.2 343.6 11.55 9 770 2360 14.2 6.2 59 8.0 9.4 132 11 309.7 311.1 292.6 333.4 7.74 10 738 2717 11.0 8.9 87 2.1 9.7 136 9 309.9 311.8 294.3 339.7 9.75 11 707 3075 9.2 1.2 57 8.0 4.8 140 7 311.8 312.9 291.7 330.2 5.91 12 705 3099 9.0 4.4 73 4.6 6.3 140 7 311.8 313.2 293.0 334.9 7.46 13 701 3146 9.2 -5.8 34 15.0 2.1 140 7 312.5 313.2 289.9 323.8 3.54 14 700 3158 9.0 -5.0 37 14.0 2.2 140 7 312.5 313.2 290.1 324.4 3.76 15 696 3205 8.4 3.4 71 5.0 5.5 142 7 312.3 313.6 292.9 334.2 7.04 16 691 3265 8.2 -2.8 46 11.0 2.6 144 7 312.7 313.6 290.9 327.0 4.50 17 641 3882 5.6 -11.4 28 17.0 -1.6 176 7 316.6 317.0 290.2 324.8 2.49 18 637 3934 5.8 -18.2 16 24.0 -3.0 180 7 317.4 317.6 289.4 322.2 1.43 19 621 4141 4.8 -8.2 38 13.0 -1.2 196 8 318.5 319.2 291.5 329.4 3.32 20 616 4207 4.8 -23.2 11 28.0 -4.4 201 8 319.3 319.4 289.5 322.6 0.96 21 604 4368 4.0 -10.0 35 14.0 -2.2 213 8 320.1 320.7 291.7 329.9 2.96 22 587 4599 2.8 -18.2 20 21.0 -4.9 230 9 321.4 321.7 290.7 326.7 1.55 23 585 4627 2.6 -10.4 38 13.0 -3.1 230 9 321.4 322.0 292.0 331.3 2.96 24 582 4668 2.4 -17.6 21 20.0 -5.0 230 10 321.7 322.0 290.9 327.3 1.65 25 580 4696 2.0 -10.0 41 12.0 -3.3 230 10 321.5 322.1 292.2 331.8 3.08 26 575 4766 2.0 -23.0 14 25.0 -6.2 230 11 322.3 322.5 290.6 326.0 1.04 27 551 5109 0.0 -20.0 21 20.0 -7.0 228 13 323.9 324.2 291.4 328.8 1.42 28 547 5167 -0.9 -6.9 64 6.0 -3.7 228 14 323.5 324.3 293.6 337.3 4.17 29 541 5255 -1.7 -4.9 79 3.2 -3.3 227 14 323.6 324.6 294.3 339.7 4.92 30 500 5880 -4.3 -16.3 39 12.0 -8.8 215 19 327.8 328.2 293.1 335.2 2.14 31 468 6400 -6.5 -29.5 14 23.0 -12.7 220 18 331.3 331.5 292.8 333.9 0.71 32 459 6551 -7.5 -30.5 14 23.0 -13.5 220 18 331.9 332.1 292.9 334.4 0.66 33 453 6654 -8.3 -21.3 34 13.0 -12.6 220 17 332.2 332.5 293.7 337.7 1.54 34 423 7183 -11.5 -31.5 17 20.0 -16.4 220 15 334.6 334.8 293.6 337.1 0.65 35 413 7366 -12.5 -20.5 51 8.0 -15.2 220 15 335.7 336.0 294.8 342.1 1.81 36 400 7610 -14.3 -24.3 42 10.0 -17.2 220 14 336.4 336.7 294.6 341.3 1.34 37 379 8015 -17.1 -36.1 18 19.0 -20.9 231 14 337.9 338.0 294.3 339.7 0.46 38 356 8480 -20.9 -27.9 53 7.0 -22.6 239 15 338.9 339.2 295.0 343.0 1.08 39 353 8542 -21.3 -35.3 27 14.0 -23.9 240 15 339.2 339.3 294.6 341.3 0.54 40 348 8647 -21.7 -25.9 69 4.2 -22.8 242 15 340.1 340.3 295.5 345.0 1.33 41 340 8817 -23.3 -25.4 83 2.1 -23.8 244 15 340.2 340.5 295.6 345.4 1.43 42 327 9100 -25.1 -27.8 78 2.7 -25.7 249 15 341.5 341.7 295.7 345.9 1.19 43 322 9212 -25.5 -33.5 47 8.0 -27.0 251 15 342.4 342.6 295.6 345.1 0.70 44 310 9485 -27.5 -31.4 69 3.9 -28.3 256 16 343.4 343.6 295.9 346.8 0.89 45 308 9532 -27.3 -37.3 38 10.0 -28.9 257 16 344.3 344.4 295.8 346.3 0.50 46 305 9602 -27.7 -37.7 38 10.0 -29.3 258 17 344.7 344.8 295.9 346.6 0.49 47 300 9720 -28.7 -36.7 46 8.0 -30.0 260 17 344.9 345.0 296.0 347.1 0.55 48 267 10545 -36.1 -44.1 44 8.0 -36.9 273 21 345.8 345.9 296.0 347.0 0.29 49 256 10837 -38.9 -42.0 72 3.1 -39.2 258 20 345.9 346.0 296.0 347.4 0.37 50 255 10864 -39.1 -41.0 82 1.9 -39.3 255 20 346.0 346.1 296.1 347.6 0.42 51 250 11000 -39.9 -45.9 53 6.0 -40.4 240 18 346.7 346.8 296.1 347.8 0.25 52 248 11055 -40.3 -43.9 68 3.6 -40.6 240 18 346.9 347.0 296.3 348.2 0.31 53 236 11390 -42.9 -47.2 63 4.3 -43.2 237 19 348.0 348.0 296.4 348.9 0.23 54 234 11447 -43.3 -51.3 41 8.0 -43.8 236 19 348.2 348.2 296.4 348.8 0.15 55 222 11798 -46.5 -52.5 50 6.0 -46.8 233 20 348.6 348.6 296.4 349.1 0.13 56 219 11888 -47.1 -58.1 27 11.0 -47.6 233 20 349.0 349.0 296.5 349.3 0.07 57 200 12480 -52.1 -57.1 55 5.0 -52.3 235 21 350.3 350.3 296.8 350.6 0.08 58 150 14280 -66.9 -72.9 42 6.0 -67.0 205 18 354.8 354.8 297.7 354.9 0.01 59 103 16455 -81.9 -86.9 42 5.0 -81.9 225 10 366.4 366.4 299.9 366.4 0.00 60 100 16620 -81.9 -87.9 35 6.0 -81.9 195 11 369.5 369.5 300.5 369.5 0.00 61 82 17739 -79.1 -87.1 26 8.0 -79.1 94 10 396.8 396.8 304.8 396.8 0.00 62 70 18630 -82.5 -89.5 29 7.0 -82.5 350 25 407.9 407.9 306.2 407.9 0.00 63 68 18791 -83.1 -90.1 29 7.0 -83.1 349 23 410.0 410.0 306.5 410.0 0.00 64 61 19412 -72.3 -89.3 6 17.0 -72.4 347 18 447.0 447.0 310.6 447.0 0.00 65 50 20600 -65.5 -89.5 2 24.0 -65.8 275 13 489.1 489.1 314.1 489.1 0.00 66 49 20723 -65.7 -89.7 2 24.0 -66.0 276 13 491.5 491.5 314.3 491.5 0.00 67 43 21522 -63.9 -89.9 2 26.0 -64.3 260 16 514.6 514.6 315.9 514.6 0.00 68 39 22131 -57.9 -87.9 1 30.0 -58.8 202 21 544.4 544.4 317.8 544.4 0.00 69 37 22463 -59.1 -87.1 1 28.0 -59.9 171 25 549.6 549.6 318.1 549.6 0.01 70 31 23581 -56.5 -86.5 1 30.0 -57.8 139 34 585.1 585.1 319.9 585.1 0.01 71 30 23790 -54.7 -85.7 1 31.0 -56.3 140 36 595.5 595.5 320.4 595.6 0.01 72 28 24234 -51.7 -83.7 1 32.0 -54.0 145 27 615.7 615.7 321.3 615.8 0.01 73 23 25504 -54.1 -85.1 1 31.0 -56.2 144 25 644.3 644.3 322.4 644.4 0.01 TRP 103 16455 -81.9 -86.9 42 5.0 -81.9 225 10 366.4 366.4 299.9 366.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 551.00 mb = 5109.11 m = 16761.96 ft Wetbulb zero: 660.08 mb = 3641.26 m = 11946.24 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 55.15 % Est. max temperature: 32.89 C = 91.21 F Sfc-Lift cond lev (LCL): 962.37 mb = 425.01 m = 1394.36 ft T: 25.08 C 700-500 lapse rate: 4.89 C/km ThetaE index: 16.03 C Layer 850.0- 738.0 mb Conv cond level (CCL): 791.38 mb = 2127.67 m = 6980.47 ft Mean mixing ratio: 14.01 g/kg Conv temperature: 34.37 C = 93.87 F Cap Strength: 3.21 C Lifted Index: 0.66 C Risk: Showers probable Lifted Index @300 mb: 2.69 C Lifted Index @700 mb: -0.04 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.30 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 237.00 Risk: None Energy Index: -2.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.11 J/kg Max Up Vert Vel: 8.14 m/s Conv Inhibition (B-): 132.94 J/kg Cap Strength: 3.41 C Lift Cond Lev (LCL): 854.85 mb = 1466.85 m = 4812.44 ft Lev Free Conv (LFC): 729.85 mb = 2810.06 m = 9219.23 ft Equ Level (EL): 639.85 mb = 3897.05 m = 12785.45 ft B at Equ Level: 31.64 J/kg Max Parcel Lev (MPL): 509.85 mb = 5725.45 m = 18784.04 ft Wind level data Storm motion: 201 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 ---------------------------------------------------------- 0 989 181 0 0 -0.0 -0.0 | 21 8 -2.9 -7.3 1 943 610 70 8 -7.5 -2.7 | 46 14 -10.4 -10.1 2 925 779 70 10 -9.4 -3.4 | 49 16 -12.3 -10.8 3 911 914 70 9 -8.5 -3.1 | 47 15 -11.3 -10.4 4 850 1516 110 13 -12.2 4.4 | 79 15 -15.1 -2.9 5 849 1524 110 13 -12.2 4.4 | 79 15 -15.1 -2.9 6 790 2134 130 12 -9.2 7.7 | 92 12 -12.1 0.4 7 709 3048 140 7 -4.5 5.4 | 75 8 -7.4 -2.0 8 700 3158 140 7 -4.5 5.4 | 75 8 -7.4 -2.0 9 658 3658 160 6 -2.1 5.6 | 71 5 -4.9 -1.7 10 588 4572 230 9 6.9 5.8 | 291 4 4.0 -1.6 11 566 4877 230 12 9.2 7.7 | 267 6 6.3 0.4 12 525 5486 225 16 11.3 11.3 | 245 9 8.4 4.0 13 500 5880 215 19 10.9 15.6 | 224 11 8.0 8.2 14 486 6096 220 19 12.2 14.6 | 232 12 9.3 7.2 15 400 7610 220 14 9.0 10.7 | 241 7 6.1 3.4 16 399 7620 225 14 9.9 9.9 | 250 7 7.0 2.6 17 325 9144 250 15 14.1 5.1 | 281 11 11.2 -2.2 18 300 9720 260 17 16.7 3.0 | 288 15 13.9 -4.4 19 262 10668 275 22 21.9 -1.9 | 296 21 19.0 -9.3 20 250 11000 240 18 15.6 9.0 | 263 13 12.7 1.7 21 209 12192 230 21 16.1 13.5 | 245 15 13.2 6.2 22 200 12480 235 21 17.2 12.0 | 252 15 14.3 4.7 23 164 13716 230 17 13.0 10.9 | 251 11 10.1 3.6 24 150 14280 205 18 7.6 16.3 | 208 10 4.7 9.0 25 127 15240 175 7 -0.6 7.0 | 84 4 -3.5 -0.4 26 103 16455 225 10 7.1 7.1 | 274 4 4.2 -0.3 27 103 16459 220 7 4.5 5.4 | 321 3 1.6 -2.0 28 100 16620 195 11 2.8 10.6 | 179 3 -0.0 3.3 29 74 18288 45 10 -7.1 -7.1 | 35 18 -10.0 -14.4 30 70 18630 350 25 4.3 -24.6 | 357 32 1.5 -32.0 31 57 19812 345 14 3.6 -13.5 | 358 21 0.7 -20.9 32 50 20600 275 13 13.0 -1.1 | 310 13 10.1 -8.5 33 44 21336 280 14 13.8 -2.4 | 312 15 10.9 -9.8 34 35 22860 135 28 -19.8 19.8 | 119 26 -22.7 12.5 35 30 23790 140 36 -23.1 27.6 | 128 33 -26.0 20.2 36 26 24384 150 18 -9.0 15.6 | 125 14 -11.9 8.2 37 18 25908 130 39 -29.9 25.1 | 118 37 -32.8 17.7 Wind Parameters Mean winds (0-6000m): 171.4 at 10.5 knts Storm direction: 201.4 at 7.9 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 53.6 deg Storm rel helicity (0-3000m) pos: 68.6 neg: -7.9 tot: 60.6 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.65 Bulk Shear: 20.01 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 70 5 39 11| 9.1 0.0 9.1| 20.8 -0.3 20.4 40.9 0.57| 10.6 6.1 1000 74 7 46 14| 5.5 0.0 5.5| 36.7 -1.5 35.2 35.2 0.61| 8.0 4.9 1500 89 9 57 14| 4.4 0.0 4.4| 61.1 -1.5 59.6 39.7 0.71| 7.5 5.3 2000 100 10 66 14| 3.0 0.0 3.0| 68.5 -1.5 67.0 33.5 0.69| 6.5 4.5 2500 107 10 70 13| 1.9 0.0 1.9| 68.5 -4.8 63.7 25.5 0.58| 5.8 3.4 3000 112 10 72 12| 1.2 0.0 1.2| 68.6 -7.9 60.6 20.2 0.49| 5.2 2.6 4000 122 9 75 11| 1.0 0.0 1.0| 69.3 -8.5 60.8 15.2 0.40| 4.9 1.9 5000 142 9 89 8| 1.0 0.4 1.4| 69.5 -14.2 55.3 11.1 0.22| 4.9 1.1 6000 171 11 124 5| 0.9 0.8 1.6| 74.7 -27.4 47.3 7.9 0.12| 4.8 0.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250430.00.gif