UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052612.upa.cvt Date: 1200Z 26 MAY 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 26 MAY 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 1009 5 30.2 25.2 75 5.0 26.4 270 10 302.6 306.3 299.3 363.1 20.39 1 976 303 25.0 18.0 65 7.0 20.2 255 12 300.2 302.7 294.2 339.5 13.42 2 925 779 23.2 16.2 65 7.0 18.4 275 14 303.0 305.4 294.4 340.4 12.62 3 850 1513 19.0 12.0 64 7.0 14.4 285 16 306.0 308.0 293.7 337.4 10.42 4 700 3157 10.8 5.8 71 5.0 7.8 270 14 314.4 316.0 294.4 340.3 8.29 5 500 5890 -3.9 -9.9 63 6.0 -6.6 225 7 328.3 329.0 294.4 340.5 3.61 6 400 7620 -12.7 -19.7 56 7.0 -15.1 130 5 338.5 338.9 295.7 345.7 2.01 7 365 8312 -16.7 -24.7 50 8.0 -19.0 119 4 342.1 342.4 296.0 347.4 1.41 8 309 9537 -26.9 -31.5 65 4.6 -27.8 86 10 344.5 344.7 296.2 347.9 0.89 9 303 9678 -27.3 -40.3 28 13.0 -29.2 89 12 345.9 346.0 296.1 347.4 0.38 10 300 9750 -27.7 -40.7 28 13.0 -29.6 90 13 346.3 346.4 296.1 347.8 0.36 11 250 11040 -38.3 -50.3 27 12.0 -39.2 80 18 349.1 349.2 296.6 349.8 0.15 12 206 12337 -48.7 -62.7 18 14.0 -49.1 60 24 352.7 352.7 297.3 352.8 0.04 13 200 12530 -50.3 -62.3 23 12.0 -50.7 45 30 353.1 353.1 297.3 353.3 0.04 14 178 13279 -57.1 -65.1 36 8.0 -57.3 57 34 353.9 354.0 297.5 354.1 0.03 15 150 14340 -65.5 -74.5 28 9.0 -65.5 80 32 357.2 357.3 298.2 357.3 0.01 16 100 16690 -83.3 -86.2 60 2.9 -83.3 85 31 366.8 366.8 300.0 366.8 0.00 17 99 16745 -83.3 -86.1 61 2.8 -83.3 84 31 367.8 367.8 300.2 367.8 0.00 18 95 16972 -84.5 -88.0 54 3.5 -84.5 80 31 369.9 369.9 300.5 369.9 0.00 19 71 18617 -72.9 -83.9 17 11.0 -73.0 128 15 426.7 426.7 308.4 426.7 0.00 20 70 18700 -70.7 -81.7 18 11.0 -70.8 140 12 433.1 433.1 309.1 433.2 0.01 21 50 20700 -68.5 -81.5 14 13.0 -68.7 325 8 482.1 482.1 313.6 482.1 0.01 22 31 23641 -57.7 -77.7 6 20.0 -58.8 581.9 581.9 319.8 582.1 0.03 TRP 95 16972 -84.5 -88.0 54 3.5 -84.5 80 31 369.9 369.9 300.5 369.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.61 m Freezing level: 553.06 mb = 5164.92 m = 16945.06 ft Wetbulb zero: 591.97 mb = 4518.54 m = 14824.41 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 66.84 % Est. max temperature: 33.31 C = 91.96 F Sfc-Lift cond lev (LCL): 939.07 mb = 645.25 m = 2116.94 ft T: 23.71 C 700-500 lapse rate: 5.38 C/km ThetaE index: 23.55 C Layer 976.0- 925.0 mb Conv cond level (CCL): 777.93 mb = 2263.21 m = 7425.15 ft Mean mixing ratio: 14.15 g/kg Conv temperature: 37.53 C = 99.56 F Cap Strength: 3.18 C Lifted Index: 1.41 C Risk: Showers probable Lifted Index @300 mb: 4.27 C Lifted Index @700 mb: 2.05 C Showalter Index: 3.99 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 15.90 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 183.00 Risk: None Energy Index: 0.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.71 J/kg Max Up Vert Vel: 3.93 m/s Conv Inhibition (B-): 19831.90 J/kg Cap Strength: 3.18 C Lift Cond Lev (LCL): 871.71 mb = 1294.05 m = 4245.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 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 1009 5 270 10 10.0 -0.0 | 203 5 2.0 4.6 1 1000 94 285 11 10.6 -2.8 | 236 3 2.6 1.8 2 976 305 255 12 11.6 3.1 | 205 9 3.6 7.7 3 943 610 265 15 14.9 1.3 | 229 9 7.0 5.9 4 925 779 275 14 13.9 -1.2 | 240 7 6.0 3.4 5 911 914 280 13 12.8 -2.3 | 244 5 4.8 2.4 6 879 1219 285 15 14.5 -3.9 | 263 7 6.5 0.8 7 850 1513 285 16 15.5 -4.1 | 266 7 7.5 0.5 8 819 1829 295 17 15.4 -7.2 | 289 8 7.4 -2.6 9 790 2134 290 17 16.0 -5.8 | 278 8 8.0 -1.2 10 762 2438 285 14 13.5 -3.6 | 260 6 5.5 1.0 11 735 2743 295 14 12.7 -5.9 | 285 5 4.7 -1.3 12 700 3157 270 14 14.0 -0.0 | 232 8 6.0 4.6 13 658 3658 270 16 16.0 -0.0 | 240 9 8.0 4.6 14 611 4267 265 10 10.0 0.9 | 200 6 2.0 5.5 15 566 4877 195 7 1.8 6.8 | 152 13 -6.2 11.4 16 500 5890 225 7 4.9 4.9 | 162 10 -3.0 9.6 17 487 6096 225 6 4.2 4.2 | 157 10 -3.7 8.9 18 400 7620 130 5 -3.8 3.2 | 124 14 -11.8 7.8 19 400 7620 150 4 -2.0 3.5 | 129 13 -10.0 8.1 20 326 9144 80 5 -4.9 -0.9 | 106 13 -12.9 3.8 21 300 9750 90 13 -13.0 0.0 | 102 21 -21.0 4.6 22 263 10668 80 21 -20.7 -3.6 | 92 29 -28.7 1.0 23 250 11040 80 18 -17.7 -3.1 | 93 26 -25.7 1.5 24 210 12192 70 19 -17.9 -6.5 | 86 26 -25.8 -1.9 25 200 12530 45 30 -21.2 -21.2 | 60 34 -29.2 -16.6 26 166 13716 65 36 -32.6 -15.2 | 75 42 -40.6 -10.6 27 150 14340 80 32 -31.5 -5.6 | 89 40 -39.5 -0.9 28 128 15240 70 36 -33.8 -12.3 | 80 43 -41.8 -7.7 29 104 16459 80 38 -37.4 -6.6 | 88 45 -45.4 -2.0 30 100 16690 85 31 -30.9 -2.7 | 93 39 -38.9 1.9 31 95 16972 80 31 -30.5 -5.4 | 89 39 -38.5 -0.8 32 75 18288 80 27 -26.6 -4.7 | 90 35 -34.6 -0.1 33 70 18700 140 12 -7.7 9.2 | 131 21 -15.7 13.8 34 58 19812 255 29 28.0 7.5 | 239 23 20.0 12.1 35 50 20700 325 8 4.6 -6.6 | 61 4 -3.4 -1.9 36 44 21336 45 10 -7.1 -7.1 | 81 15 -15.1 -2.4 37 32 22860 75 27 -26.1 -7.0 | 86 34 -34.1 -2.4 Wind Parameters Mean winds (0-6000m): 270.1 at 12.3 knts Storm direction: 300.1 at 9.2 knts Shear (0-3000m) pos: 1.5 neg: 1.1 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 44.2 deg Storm rel helicity (0-3000m) pos: 26.6 neg: -15.1 tot: 11.5 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 57.62 Bulk Shear: 0.13 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 ------------------------------------------------------------------------------- 500 266 12 215 7| 0.0 4.5 4.5| 7.9 -4.2 3.7 7.3 0.17| 11.3 1.9 1000 269 13 226 7| 2.5 2.2 4.7| 15.6 -4.2 11.4 11.4 0.33| 8.8 2.9 1500 275 14 238 7| 2.2 1.5 3.7| 18.5 -4.2 14.3 9.5 0.37| 6.8 2.5 2000 280 14 251 7| 2.2 1.1 3.3| 24.1 -5.5 18.6 9.3 0.41| 6.0 2.5 2500 282 15 256 7| 1.8 0.9 2.7| 24.5 -10.3 14.1 5.7 0.27| 5.6 1.5 3000 283 15 258 6| 1.5 1.1 2.6| 26.6 -15.1 11.5 3.8 0.17| 5.6 0.9 4000 280 15 251 7| 1.1 1.2 2.3| 28.5 -23.6 5.0 1.2 0.05| 5.1 0.3 5000 275 13 238 6| 0.9 1.8 2.7| 29.4 -48.3 -18.9 -3.8 -0.15| 5.5 -0.8 6000 270 12 223 6| 1.0 1.5 2.5| 34.9 -49.5 -14.6 -2.4 -0.12| 4.9 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250526.12.gif