UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1008 5 31.4 25.4 71 6.0 26.9 120 4 303.9 307.7 299.8 365.5 20.67 1 1000 81 29.4 21.4 62 8.0 23.6 295 6 302.5 305.5 296.8 350.6 16.25 2 925 771 24.8 15.8 57 9.0 18.7 15 3 304.7 306.9 294.7 341.4 12.29 3 850 1507 19.2 12.2 64 7.0 14.7 305 5 306.3 308.2 293.9 338.0 10.56 4 813 1888 16.2 11.2 72 5.0 13.0 339 5 307.0 308.9 293.9 338.2 10.33 5 700 3150 11.2 2.2 54 9.0 6.1 330 5 314.9 316.1 293.1 335.1 6.42 6 500 5880 -3.9 -24.9 18 21.0 -10.4 80 16 328.3 328.5 292.2 331.9 1.01 7 432 7020 -9.9 -37.9 8 28.0 -15.8 86 13 334.7 334.7 293.3 336.0 0.34 8 400 7610 -13.5 -38.5 10 25.0 -18.4 90 11 337.4 337.5 294.0 338.8 0.34 9 371 8180 -16.9 -37.9 14 21.0 -21.0 90 12 340.3 340.4 294.7 341.8 0.39 10 300 9740 -28.7 -50.7 10 22.0 -30.9 90 16 344.9 345.0 295.6 345.4 0.12 11 250 11010 -39.1 -56.1 15 17.0 -40.1 90 16 347.9 348.0 296.3 348.3 0.08 12 200 12500 -52.1 -65.1 20 13.0 -52.4 120 18 350.3 350.3 296.7 350.4 0.03 13 167 13644 -61.9 -68.9 39 7.0 -62.0 106 21 352.5 352.5 297.2 352.5 0.02 14 150 14300 -67.5 -74.5 36 7.0 -67.5 105 24 353.8 353.8 297.4 353.9 0.01 15 110 16105 -80.3 -84.5 49 4.2 -80.3 98 20 362.6 362.6 299.2 362.6 0.00 16 108 16208 -81.1 -85.5 47 4.4 -81.1 99 19 363.0 363.0 299.2 363.0 0.00 17 105 16366 -81.7 -86.7 42 5.0 -81.7 100 19 364.7 364.8 299.6 364.8 0.00 18 100 16640 -79.9 -86.9 30 7.0 -79.9 105 13 373.4 373.4 301.1 373.4 0.00 19 70 18660 -79.5 -87.5 25 8.0 -79.5 225 6 414.3 414.3 307.0 414.3 0.00 20 69 18742 -79.7 -87.7 25 8.0 -79.7 228 7 415.6 415.6 307.2 415.6 0.00 21 52 20403 -67.3 -82.3 10 15.0 -67.5 276 18 479.5 479.5 313.4 479.5 0.01 22 50 20640 -68.3 -82.3 12 14.0 -68.5 280 18 482.5 482.5 313.7 482.6 0.01 23 43 21540 -68.7 -83.7 10 15.0 -68.9 269 12 502.8 502.8 315.1 502.9 0.01 24 38 22295 -58.9 -78.9 6 20.0 -59.7 231 7 545.9 545.9 317.9 546.0 0.02 25 30 23780 -56.9 -79.9 4 23.0 -58.2 210 6 589.5 589.5 320.1 589.7 0.02 26 26 24686 -56.9 -79.9 4 23.0 -58.3 614.1 614.2 321.2 614.3 0.03 TRP 105 16366 -81.7 -86.7 42 5.0 -81.7 100 19 364.7 364.8 299.6 364.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 551.66 mb = 5174.90 m = 16977.81 ft Wetbulb zero: 625.74 mb = 4059.92 m = 13319.79 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 49.66 % Est. max temperature: 33.64 C = 92.55 F Sfc-Lift cond lev (LCL): 924.84 mb = 772.49 m = 2534.37 ft T: 24.79 C 700-500 lapse rate: 5.53 C/km ThetaE index: 27.49 C Layer 1000.0- 813.0 mb Conv cond level (CCL): 804.17 mb = 1979.84 m = 6495.45 ft Mean mixing ratio: 14.21 g/kg Conv temperature: 35.12 C = 95.22 F Cap Strength: 2.38 C Lifted Index: 0.47 C Risk: Showers probable Lifted Index @300 mb: 1.87 C Lifted Index @700 mb: 1.69 C Showalter Index: 3.70 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 16.10 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 172.40 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.92 J/kg Max Up Vert Vel: 3.44 m/s Conv Inhibition (B-): 20501.52 J/kg Cap Strength: 2.38 C Lift Cond Lev (LCL): 848.51 mb = 1522.06 m = 4993.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 79 at 4 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 1008 5 120 4 -3.5 2.0 | 198 3 0.9 2.8 1 1000 81 295 6 5.4 -2.5 | 280 10 9.8 -1.7 2 975 305 35 2 -1.1 -1.6 | 284 3 3.3 -0.8 3 942 610 30 3 -1.5 -2.6 | 302 3 2.9 -1.8 4 925 771 15 3 -0.8 -2.9 | 300 4 3.6 -2.1 5 910 914 350 3 0.5 -3.0 | 293 5 4.9 -2.1 6 879 1219 315 4 2.8 -2.8 | 286 8 7.2 -2.0 7 850 1507 305 5 4.1 -2.9 | 284 9 8.5 -2.1 8 818 1829 335 5 2.1 -4.5 | 300 7 6.5 -3.7 9 789 2134 360 4 -0.0 -4.0 | 306 5 4.4 -3.2 10 761 2438 345 4 1.0 -3.9 | 299 6 5.4 -3.0 11 734 2743 325 5 2.9 -4.1 | 294 8 7.3 -3.3 12 700 3150 330 5 2.5 -4.3 | 297 8 6.9 -3.5 13 658 3658 50 3 -2.3 -1.9 | 298 2 2.1 -1.1 14 610 4267 85 5 -5.0 -0.4 | 123 1 -0.6 0.4 15 566 4877 95 8 -8.0 0.7 | 113 4 -3.6 1.5 16 500 5880 80 16 -15.8 -2.8 | 80 12 -11.4 -2.0 17 486 6096 80 16 -15.8 -2.8 | 80 12 -11.4 -2.0 18 400 7610 90 11 -11.0 0.0 | 97 7 -6.6 0.8 19 399 7620 90 11 -11.0 0.0 | 97 7 -6.6 0.8 20 325 9144 90 13 -13.0 0.0 | 95 9 -8.6 0.8 21 300 9740 90 16 -16.0 0.0 | 94 12 -11.6 0.8 22 263 10668 105 11 -10.6 2.8 | 120 7 -6.2 3.7 23 250 11010 90 16 -16.0 0.0 | 94 12 -11.6 0.8 24 209 12192 95 18 -17.9 1.6 | 100 14 -13.5 2.4 25 200 12500 120 18 -15.6 9.0 | 131 15 -11.2 9.8 26 165 13716 105 21 -20.3 5.4 | 111 17 -15.9 6.3 27 150 14300 105 24 -23.2 6.2 | 111 20 -18.8 7.0 28 128 15240 90 22 -22.0 0.0 | 93 18 -17.6 0.8 29 105 16366 100 19 -18.7 3.3 | 106 15 -14.3 4.1 30 103 16459 100 19 -18.7 3.3 | 106 15 -14.3 4.1 31 100 16640 105 13 -12.6 3.4 | 117 9 -8.2 4.2 32 75 18288 40 15 -9.6 -11.5 | 26 12 -5.2 -10.7 33 70 18660 225 6 4.2 4.2 | 240 10 8.6 5.1 34 58 19812 265 17 16.9 1.5 | 264 21 21.3 2.3 35 50 20640 280 18 17.7 -3.1 | 276 22 22.1 -2.3 36 45 21336 280 14 13.8 -2.4 | 275 18 18.2 -1.6 37 35 22860 205 4 1.7 3.6 | 234 8 6.1 4.4 38 30 23780 210 6 3.0 5.2 | 231 10 7.4 6.0 39 26 24384 235 14 11.5 8.0 | 241 18 15.9 8.8 Wind Parameters Mean winds (0-6000m): 49.5 at 6.0 knts Storm direction: 79.5 at 4.5 knts Shear (0-3000m) pos: 0.6 neg: 1.8 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 97.6 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -6.5 tot: 11.8 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.38 Bulk Shear: 4.27 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 ------------------------------------------------------------------------------- 500 341 3 294 6| 0.0 4.9 4.9| 11.5 -1.4 10.1 20.1 0.57| 19.1 10.9 1000 359 3 299 5| 0.0 3.5 3.5| 11.8 -2.4 9.4 9.4 0.47| 11.1 5.2 1500 338 4 293 6| 0.0 3.1 3.1| 11.8 -4.4 7.3 4.9 0.37| 8.4 3.1 2000 334 4 294 7| 0.9 2.3 3.2| 17.7 -4.4 13.3 6.6 0.42| 7.3 3.1 2500 338 4 296 6| 0.7 1.9 2.7| 17.9 -5.6 12.4 4.9 0.37| 6.3 2.3 3000 336 4 296 7| 0.6 1.8 2.4| 18.3 -6.5 11.8 3.9 0.34| 5.5 1.9 4000 344 4 299 6| 1.3 1.4 2.6| 21.4 -7.0 14.4 3.6 0.32| 5.1 1.6 5000 13 5 317 5| 1.6 1.1 2.7| 21.5 -7.6 13.9 2.8 0.29| 4.7 1.3 6000 49 6 3 3| 1.3 0.7 2.0| 21.5 -14.9 6.6 1.1 0.18| 4.6 0.8 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250419.12.gif