UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 29 APR 25 Station: VTSH WMO ident: 48568 Latitude: 7.20 Longitude: 100.60 Elevation: 5.00 ------------------------------------------------------------------------------- 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 -446 1 925 252 2 850 1001 120 5 SFC 849 5 31.0 26.0 75 5.0 27.0 120 5 318.7 323.7 305.3 400.6 25.62 4 554 3563 1.6 -24.4 12 26.0 -6.8 107 4 325.3 325.5 291.3 328.7 0.96 5 500 4370 -2.9 -27.9 13 25.0 -10.1 110 6 329.5 329.7 292.3 332.3 0.77 6 491 4514 -3.7 -27.7 14 24.0 -10.6 107 6 330.2 330.4 292.6 333.2 0.80 7 400 6100 -14.3 -37.3 12 23.0 -18.9 140 3 336.4 336.5 293.8 337.9 0.39 8 300 8220 -29.1 -50.1 11 21.0 -31.2 125 10 344.4 344.4 295.5 344.9 0.13 9 250 9490 -40.3 -51.3 30 11.0 -41.1 110 18 346.2 346.2 295.9 346.7 0.14 10 200 10970 -52.3 -64.3 22 12.0 -52.6 105 24 349.9 350.0 296.7 350.1 0.03 11 150 12770 -67.3 -76.3 27 9.0 -67.4 90 22 354.2 354.2 297.5 354.2 0.01 12 115 14327 -78.9 -84.9 37 6.0 -78.9 137 15 360.6 360.6 298.8 360.6 0.00 13 100 15120 -80.3 -86.3 36 6.0 -80.3 180 8 372.6 372.6 301.0 372.6 0.00 14 92 15586 -82.9 -87.4 46 4.5 -82.9 205 10 376.4 376.4 301.6 376.4 0.00 15 90 15708 -82.7 -86.6 51 3.9 -82.7 219 10 379.2 379.2 302.1 379.2 0.00 16 70 17120 -78.5 -86.5 26 8.0 -78.5 255 14 416.4 416.4 307.3 416.5 0.00 17 62 17827 -71.3 -82.3 18 11.0 -71.4 261 16 447.1 447.1 310.6 447.1 0.01 18 50 19110 -68.5 -82.5 12 14.0 -68.7 255 20 482.1 482.1 313.6 482.1 0.01 19 36 21092 -67.9 -84.9 7 17.0 -68.2 312 12 531.1 531.1 317.0 531.2 0.01 20 31 22021 -55.9 -78.9 4 23.0 -57.3 188 10 586.7 586.7 320.0 586.9 0.03 21 30 22230 -56.3 -79.3 4 23.0 -57.6 150 10 591.2 591.2 320.2 591.3 0.02 22 20 24833 -51.7 -76.7 3 25.0 -54.6 90 32 677.9 677.9 323.7 678.4 0.06 TRP 92 15586 -82.9 -87.4 46 4.5 -82.9 205 10 376.4 376.4 301.6 376.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 4816.00 m Freezing level: 534.80 mb = 3849.74 m = 12630.22 ft Wetbulb zero: 613.13 mb = 2717.48 m = 8915.51 ft Sfc-500 mean rel hum: 37.58 % Est. max temperature: 34.24 C = 93.62 F Sfc-Lift cond lev (LCL): 790.28 mb = 602.33 m = 1976.13 ft T: 26.06 C 700-500 lapse rate: 7.48 C/km Conv cond level (CCL): 699.20 mb = 1622.85 m = 5324.26 ft Mean mixing ratio: 18.43 g/kg Conv temperature: 34.23 C = 93.62 F Cap Strength: 1.60 C Lifted Index: -8.31 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -13.71 C Lifted Index @700 mb: 0.58 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6340.44 J/kg Max Up Vert Vel: 112.61 m/s Conv Inhibition (B-): 22.12 J/kg Cap Strength: 1.60 C Lift Cond Lev (LCL): 721.07 mb = 1366.11 m = 4481.93 ft Lev Free Conv (LFC): 686.07 mb = 1780.78 m = 5842.37 ft Equ Level (EL): 86.07 mb = 15958.63 m = 52357.06 ft B at Equ Level: 6217.50 J/kg Max Parcel Lev (MPL): 46.07 mb = 19603.81 m = 64316.18 ft Wind level data Storm motion: 132 at 3 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 ---------------------------------------------------------- 0 849 5 120 5 -4.3 2.5 | 98 2 -1.8 0.3 1 831 305 355 10 0.9 -10.0 | 345 13 3.4 -12.2 2 812 610 60 5 -4.3 -2.5 | 21 5 -1.8 -4.7 3 794 914 55 4 -3.3 -2.3 | 10 5 -0.8 -4.5 4 777 1219 70 4 -3.8 -1.4 | 19 4 -1.2 -3.6 5 743 1829 100 5 -4.9 0.9 | 60 3 -2.4 -1.4 6 727 2134 115 4 -3.6 1.7 | 63 1 -1.1 -0.6 7 711 2438 140 3 -1.9 2.3 | 265 1 0.6 0.1 8 700 2643 85 5 -5.0 -0.4 | 43 4 -2.5 -2.7 9 686 2743 145 3 -1.7 2.5 | 255 1 0.8 0.2 10 574 3658 110 4 -3.8 1.4 | 55 2 -1.2 -0.9 11 510 4267 100 5 -4.9 0.9 | 60 3 -2.4 -1.4 12 500 4370 110 6 -5.6 2.1 | 86 3 -3.1 -0.2 13 468 4877 100 5 -4.9 0.9 | 60 3 -2.4 -1.4 14 400 6096 120 4 -3.5 2.0 | 75 1 -1.0 -0.2 15 400 6100 140 3 -1.9 2.3 | 265 1 0.6 0.1 16 325 7620 115 13 -11.8 5.5 | 109 10 -9.3 3.2 17 300 8220 125 10 -8.2 5.7 | 122 7 -5.7 3.5 18 263 9144 110 12 -11.3 4.1 | 102 9 -8.8 1.9 19 250 9490 110 18 -16.9 6.2 | 105 15 -14.4 3.9 20 209 10668 105 24 -23.2 6.2 | 101 21 -20.7 4.0 21 200 10970 105 24 -23.2 6.2 | 101 21 -20.7 4.0 22 165 12192 90 17 -17.0 0.0 | 81 15 -14.5 -2.2 23 150 12770 90 22 -22.0 0.0 | 83 20 -19.5 -2.2 24 127 13716 105 20 -19.3 5.2 | 100 17 -16.8 2.9 25 100 15120 180 8 0.0 8.0 | 204 6 2.5 5.8 26 98 15240 165 8 -2.1 7.7 | 185 5 0.4 5.5 27 92 15586 205 10 4.2 9.1 | 225 10 6.7 6.8 28 79 16459 305 9 7.4 -5.2 | 307 12 9.9 -7.4 29 70 17120 255 14 13.5 3.6 | 265 16 16.0 1.4 30 57 18288 265 17 16.9 1.5 | 272 19 19.4 -0.8 31 50 19110 255 20 19.3 5.2 | 262 22 21.8 2.9 32 45 19812 265 20 19.9 1.7 | 271 22 22.4 -0.5 33 35 21336 320 11 7.1 -8.4 | 318 14 9.6 -10.7 34 30 22230 150 10 -5.0 8.7 | 159 7 -2.5 6.4 35 26 22860 110 17 -16.0 5.8 | 105 14 -13.5 3.6 36 19 24384 85 36 -35.9 -3.1 | 81 34 -33.4 -5.4 Wind Parameters Mean winds (0-6000m): 101.8 at 4.5 knts Storm direction: 131.8 at 3.4 knts Shear (0-3000m) pos: 1.3 neg: 1.3 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 150.0 deg Storm rel helicity (0-3000m) pos: 18.0 neg: -26.4 tot: -8.4 m^2/s^2 ave: -2.8 10^-3 m/s^2 rel: -0.15 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -1.1 10^-3/s Energy-Hel index: 0.70 Bulk Rich Number: 642.86 Bulk Shear: 9.86 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 18 8 359 10| 0.0 8.0 8.0| 13.3 -25.1 -11.8 -23.6 -0.34| 25.0 -8.5 1000 32 6 6 8| 1.7 4.0 5.7| 15.2 -26.3 -11.1 -11.1 -0.28| 14.6 -4.1 1500 44 6 12 6| 1.7 2.7 4.3| 16.7 -26.3 -9.6 -6.4 -0.22| 10.4 -2.2 2000 58 5 21 5| 1.7 2.0 3.7| 17.8 -26.3 -8.5 -4.2 -0.16| 8.4 -1.3 2500 68 5 27 5| 1.5 1.6 3.1| 17.8 -26.3 -8.5 -3.4 -0.12| 7.5 -0.9 3000 83 5 35 3| 1.3 1.3 2.7| 18.0 -26.4 -8.4 -2.8 -0.15| 7.5 -1.1 4000 98 4 46 2| 1.0 1.2 2.2| 18.1 -26.4 -8.4 -2.1 -0.15| 5.9 -0.9 5000 100 4 53 2| 0.8 1.0 1.9| 19.1 -27.4 -8.3 -1.7 -0.14| 5.1 -0.7 6000 102 4 55 2| 0.8 0.8 1.6| 19.3 -27.4 -8.1 -1.4 -0.12| 4.4 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250429.12.gif