UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:1200Z 28 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 55 SFC 985 181 26.6 23.5 83 3.1 24.3 320 5 301.0 304.5 298.0 356.5 18.82 2 971 310 27.4 21.4 70 6.0 23.0 312 7 303.1 306.2 297.2 352.8 16.75 3 935 649 27.2 21.2 70 6.0 22.8 289 11 306.2 309.4 298.2 357.8 17.19 4 925 746 26.6 20.6 70 6.0 22.2 275 10 306.5 309.6 298.1 356.8 16.74 5 850 1488 21.2 17.7 80 3.5 18.7 185 12 308.4 311.2 297.5 354.3 15.16 6 775 2282 15.0 15.0 100 0.0 15.0 153 15 309.9 312.6 297.2 352.5 13.98 7 724 2857 11.6 9.8 89 1.8 10.4 147 18 312.3 314.3 295.5 344.9 10.57 8 704 3092 10.8 0.8 50 10.0 5.3 145 19 313.9 315.0 292.3 332.1 5.77 9 700 3140 10.4 4.4 66 6.0 6.9 145 19 314.0 315.4 293.7 337.5 7.51 10 688 3284 9.2 6.4 83 2.8 7.5 144 18 314.2 315.9 294.7 341.6 8.80 11 682 3357 9.4 -0.6 50 10.0 4.0 143 17 315.2 316.3 292.3 332.3 5.37 12 665 3566 7.2 5.8 91 1.4 6.3 141 15 315.0 316.7 294.9 342.4 8.74 13 659 3641 7.2 3.3 76 3.9 4.9 140 14 315.9 317.3 294.1 339.1 7.38 14 625 4076 4.0 3.3 95 0.7 3.6 155 10 317.0 318.5 294.7 341.6 7.79 15 604 4355 4.0 -3.0 60 7.0 0.4 166 7 320.1 321.1 293.4 336.6 5.08 16 582 4656 1.2 -0.2 90 1.4 0.4 184 4 320.3 321.6 294.6 341.2 6.50 17 579 4697 1.0 0.8 99 0.2 0.9 189 4 320.5 321.9 295.1 343.1 7.03 18 571 4810 1.0 -4.0 69 5.0 -1.5 204 5 321.8 322.8 293.9 338.1 4.99 19 500 5870 -4.5 -6.3 87 1.8 -5.4 250 11 327.6 328.5 295.1 343.5 4.78 20 469 6370 -7.7 -7.9 98 0.2 -7.8 242 10 329.6 330.5 295.4 344.8 4.50 21 400 7590 -14.7 -18.0 76 3.3 -15.9 205 8 335.9 336.4 295.3 344.1 2.32 22 397 7647 -14.9 -18.6 73 3.7 -16.2 207 8 336.3 336.8 295.3 344.2 2.22 23 377 8037 -16.3 -18.1 86 1.8 -16.9 230 9 339.5 340.0 296.3 348.2 2.44 24 300 9720 -27.5 -28.8 89 1.3 -27.8 315 9 346.6 346.9 296.9 351.1 1.18 25 250 11000 -38.1 -41.5 70 3.4 -38.5 315 10 349.4 349.5 296.8 351.0 0.40 26 210 12179 -48.1 -52.1 63 4.0 -48.3 325 11 351.7 351.7 297.1 352.3 0.15 27 200 12500 -50.5 -55.2 57 4.7 -50.7 325 8 352.8 352.8 297.3 353.3 0.11 28 181 13143 -55.9 -60.9 53 5.0 -56.1 312 9 354.2 354.2 297.6 354.5 0.06 29 150 14310 -66.3 -70.3 57 4.0 -66.3 330 5 355.9 355.9 297.9 356.0 0.02 30 148 14391 -66.9 -70.9 57 4.0 -67.0 335 5 356.2 356.2 298.0 356.3 0.02 31 142 14638 -68.9 -74.9 42 6.0 -68.9 349 4 357.0 357.0 298.1 357.0 0.01 32 100 16650 -83.7 -87.8 49 4.1 -83.7 20 10 366.0 366.0 299.8 366.0 0.00 33 89 17294 -86.1 -89.6 53 3.5 -86.1 74 8 373.6 373.6 301.2 373.6 0.00 34 87 17418 -86.9 -91.1 46 4.2 -86.9 85 8 374.4 374.5 301.4 374.5 0.00 35 85 17546 -86.3 -92.3 33 6.0 -86.3 73 10 378.2 378.2 301.9 378.2 0.00 36 85 17546 -81.5 -89.5 24 8.0 -81.5 73 10 387.9 387.9 303.5 387.9 0.00 37 81 17820 -76.5 -85.5 23 9.0 -76.5 48 14 403.5 403.5 305.7 403.5 0.00 38 70 18650 -82.1 -89.1 29 7.0 -82.1 10 16 408.7 408.7 306.3 408.8 0.00 39 66 18978 -83.5 -90.5 28 7.0 -83.5 29 12 412.6 412.6 306.8 412.6 0.00 40 59 19618 -72.9 -87.9 9 15.0 -73.0 65 4 449.9 449.9 310.8 449.9 0.00 41 57 19820 -73.7 -89.7 7 16.0 -73.8 79 2 452.5 452.5 311.1 452.5 0.00 42 54 20137 -72.1 -90.1 5 18.0 -72.2 121 6 463.3 463.3 312.1 463.3 0.00 43 52 20362 -66.3 -89.3 3 23.0 -66.5 150 9 481.8 481.8 313.6 481.8 0.00 44 50 20600 -65.9 -89.9 2 24.0 -66.2 180 12 488.2 488.2 314.1 488.2 0.00 45 43 21525 -61.5 -88.5 2 27.0 -62.0 243 5 520.5 520.5 316.4 520.5 0.00 46 34 22980 -61.9 -88.9 2 27.0 -62.6 135 10 555.6 555.6 318.4 555.7 0.00 TRP 87 17418 -86.9 -91.1 46 4.2 -86.9 85 8 374.4 374.5 301.4 374.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 558.09 mb = 5002.52 m = 16412.25 ft Wetbulb zero: 576.04 mb = 4738.79 m = 15547.02 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 80.06 % Est. max temperature: 34.19 C = 93.54 F Sfc-Lift cond lev (LCL): 942.03 mb = 582.12 m = 1909.81 ft T: 27.24 C 700-500 lapse rate: 5.46 C/km ThetaE index: 25.75 C Layer 925.0- 700.0 mb Conv cond level (CCL): 819.38 mb = 1803.35 m = 5916.43 ft Mean mixing ratio: 16.81 g/kg Conv temperature: 34.52 C = 94.13 F Cap Strength: 2.51 C Lifted Index: -3.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.21 C Lifted Index @700 mb: -1.75 C Showalter Index: -3.00 C Risk: Severe thunderstorms possible Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.20 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 247.40 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1160.93 J/kg Max Up Vert Vel: 48.19 m/s Conv Inhibition (B-): 68.35 J/kg Cap Strength: 2.51 C Lift Cond Lev (LCL): 861.89 mb = 1366.08 m = 4481.84 ft Lev Free Conv (LFC): 786.89 mb = 2151.20 m = 7057.65 ft Equ Level (EL): 146.89 mb = 14435.65 m = 47360.49 ft B at Equ Level: 1153.38 J/kg Max Parcel Lev (MPL): 76.89 mb = 18116.03 m = 59435.06 ft Wind level data Storm motion: 211 at 9 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 ---------------------------------------------------------- 0 985 181 320 5 3.2 -3.8 | 6 11 -1.1 -11.2 1 939 610 295 11 10.0 -4.6 | 335 13 5.6 -12.0 2 925 746 275 10 10.0 -0.9 | 326 10 5.6 -8.2 3 907 914 260 9 8.9 1.6 | 322 7 4.5 -5.8 4 850 1488 185 12 1.0 12.0 | 144 6 -3.3 4.6 5 846 1524 185 13 1.1 13.0 | 150 6 -3.2 5.6 6 788 2134 155 14 -5.9 12.7 | 117 12 -10.3 5.3 7 708 3048 145 19 -10.9 15.6 | 118 17 -15.2 8.2 8 700 3140 145 19 -10.9 15.6 | 118 17 -15.2 8.2 9 657 3658 140 14 -9.0 10.7 | 104 14 -13.3 3.4 10 587 4572 175 4 -0.3 4.0 | 54 6 -4.7 -3.4 11 565 4877 215 5 2.9 4.1 | 24 4 -1.5 -3.3 12 524 5486 255 11 10.6 2.8 | 306 8 6.3 -4.5 13 500 5870 250 11 10.3 3.8 | 301 7 6.0 -3.6 14 486 6096 250 10 9.4 3.4 | 308 6 5.1 -3.9 15 400 7590 205 8 3.4 7.3 | 84 1 -1.0 -0.1 16 398 7620 205 8 3.4 7.3 | 84 1 -1.0 -0.1 17 324 9144 300 11 9.5 -5.5 | 338 14 5.2 -12.9 18 300 9720 315 9 6.4 -6.4 | 352 14 2.0 -13.7 19 262 10668 295 10 9.1 -4.2 | 338 13 4.7 -11.6 20 250 11000 315 10 7.1 -7.1 | 349 15 2.7 -14.4 21 209 12192 325 11 6.3 -9.0 | 353 16 2.0 -16.4 22 200 12500 325 8 4.6 -6.6 | 359 14 0.2 -13.9 23 165 13716 300 10 8.7 -5.0 | 341 13 4.3 -12.4 24 150 14310 330 5 2.5 -4.3 | 9 12 -1.8 -11.7 25 128 15240 25 2 -0.8 -1.8 | 30 11 -5.2 -9.2 26 103 16459 10 8 -1.4 -7.9 | 21 16 -5.7 -15.2 27 100 16650 20 10 -3.4 -9.4 | 25 18 -7.8 -16.8 28 87 17418 85 8 -8.0 -0.7 | 57 15 -12.3 -8.1 29 75 18288 5 21 -1.8 -20.9 | 12 29 -6.2 -28.3 30 70 18650 10 16 -2.8 -15.8 | 17 24 -7.1 -23.1 31 57 19812 75 2 -1.9 -0.5 | 39 10 -6.3 -7.9 32 50 20600 180 12 0.0 12.0 | 137 6 -4.3 4.6 33 43 21336 245 5 4.5 2.1 | 358 5 0.2 -5.2 34 31 22860 90 12 -12.0 0.0 | 66 18 -16.3 -7.4 35 29 23165 150 7 -3.5 6.1 | 81 8 -7.8 -1.3 Wind Parameters Mean winds (0-6000m): 180.6 at 11.4 knts Storm direction: 210.6 at 8.5 knts Shear (0-3000m) pos: 0.0 neg: 4.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -52.2 tot: -51.3 m^2/s^2 ave: -17.1 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 29.73 Bulk Shear: 39.06 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 ------------------------------------------------------------------------------- 500 300 8 346 12| 0.0 7.2 7.2| 0.0 -25.0 -25.0 -50.1 -0.89| 8.9 -7.9 1000 277 9 331 10| 0.0 6.1 6.1| 0.0 -34.1 -34.1 -34.1 -0.70| 9.9 -6.9 1500 243 10 302 5| 0.0 6.0 6.0| 0.1 -40.9 -40.8 -27.2 -0.71| 10.2 -7.2 2000 212 11 216 2| 0.0 4.9 4.9| 0.1 -50.2 -50.1 -25.1 -0.70| 9.1 -6.3 2500 190 12 152 5| 0.0 4.5 4.5| 0.9 -50.2 -49.3 -19.7 -0.63| 7.9 -5.0 3000 175 13 135 8| 0.0 4.0 4.0| 0.9 -52.2 -51.3 -17.1 -0.60| 7.1 -4.3 4000 164 13 124 10| 0.8 2.4 3.2| 1.0 -70.2 -69.2 -17.3 -0.57| 6.8 -3.9 5000 167 12 119 8| 1.7 1.9 3.6| 1.0 -81.7 -80.8 -16.2 -0.61| 6.6 -4.1 6000 181 11 134 6| 1.8 1.7 3.5| 2.2 -84.5 -82.3 -13.7 -0.57| 6.1 -3.5 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250428.12.gif