UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061212.upa.cvt Date: 1200Z 12 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 12 JUN 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1004 4 29.0 25.0 79 4.0 26.0 230 6 301.8 305.5 299.0 361.7 20.25 1 1000 41 28.4 23.7 76 4.7 24.9 225 8 301.5 305.0 298.1 356.9 18.76 2 925 729 22.2 21.8 98 0.4 21.9 230 9 302.0 305.3 297.8 355.4 18.05 3 922 757 22.0 21.6 98 0.4 21.7 232 9 302.1 305.4 297.7 354.9 17.89 4 892 1046 20.4 20.4 100 0.0 20.4 247 10 303.3 306.5 297.5 354.2 17.16 5 867 1292 19.0 18.7 98 0.3 18.8 261 12 304.3 307.3 297.0 351.5 15.85 6 856 1402 19.0 16.9 88 2.1 17.5 267 13 305.4 308.1 296.3 348.2 14.30 7 850 1463 19.2 16.0 82 3.2 17.0 270 14 306.3 308.8 296.0 347.0 13.58 8 838 1586 20.6 12.6 60 8.0 15.3 269 15 309.0 311.1 294.9 342.4 11.01 9 700 3118 11.4 6.9 74 4.5 8.6 265 14 315.1 316.8 295.1 343.1 8.96 10 634 3940 6.2 4.0 86 2.2 4.9 263 13 318.2 319.8 295.3 343.8 8.07 11 631 3979 6.4 3.0 79 3.4 4.4 263 13 318.9 320.4 295.0 342.9 7.55 12 596 4447 5.0 1.1 76 3.9 2.8 268 11 322.5 323.9 295.6 345.1 6.97 13 531 5381 -1.1 -1.1 100 0.0 -1.1 287 10 326.0 327.4 296.2 347.9 6.67 14 500 5860 -3.9 -4.4 96 0.5 -4.1 295 13 328.3 329.4 295.9 346.7 5.53 15 491 6003 -4.1 -6.4 84 2.3 -5.3 295 14 329.7 330.7 295.7 346.0 4.83 16 465 6430 -7.5 -8.6 92 1.1 -8.0 293 13 330.7 331.6 295.6 345.3 4.30 17 415 7308 -11.7 -11.7 100 0.0 -11.7 287 10 336.2 337.0 296.5 349.3 3.77 18 406 7476 -11.9 -14.4 82 2.5 -12.9 286 9 338.1 338.7 296.4 349.0 3.09 19 400 7590 -12.7 -15.3 81 2.6 -13.7 285 9 338.5 339.1 296.4 348.8 2.91 20 300 9730 -26.7 -29.3 79 2.6 -27.3 340 8 347.8 348.0 297.1 352.1 1.13 21 294 9876 -27.3 -31.0 71 3.7 -28.1 349 8 348.9 349.1 297.2 352.7 0.98 22 292 9925 -27.7 -31.2 72 3.5 -28.4 352 8 349.0 349.2 297.3 352.8 0.97 23 272 10430 -31.9 -34.6 77 2.7 -32.4 24 7 350.1 350.2 297.3 353.0 0.75 24 251 10992 -35.9 -40.6 62 4.7 -36.5 58 7 352.3 352.4 297.5 354.1 0.44 25 250 11020 -36.3 -40.7 64 4.4 -36.8 60 7 352.1 352.2 297.5 353.9 0.44 26 237 11387 -39.3 -46.3 47 7.0 -39.9 65 8 353.0 353.0 297.5 354.0 0.25 27 207 12294 -47.7 -52.3 59 4.6 -48.0 75 11 353.7 353.8 297.5 354.4 0.15 28 200 12520 -49.5 -54.1 58 4.6 -49.7 75 14 354.4 354.4 297.7 354.9 0.12 29 170 13565 -58.9 -62.3 65 3.4 -59.0 75 25 355.6 355.7 297.9 355.9 0.05 30 161 13905 -61.7 -66.7 51 5.0 -61.8 76 27 356.5 356.5 298.0 356.6 0.03 31 150 14340 -65.9 -70.4 53 4.5 -66.0 80 28 356.6 356.6 298.0 356.6 0.02 32 147 14462 -67.1 -71.8 51 4.7 -67.1 80 29 356.5 356.6 298.0 356.6 0.02 33 104 16462 -83.1 -88.0 42 4.9 -83.1 75 42 363.1 363.1 299.3 363.1 0.00 34 100 16680 -82.1 -89.1 29 7.0 -82.1 90 41 369.1 369.1 300.4 369.1 0.00 35 92 17155 -75.9 -84.9 23 9.0 -75.9 86 35 390.3 390.3 303.8 390.3 0.00 36 71 18639 -79.9 -88.9 21 9.0 -79.9 79 38 411.8 411.8 306.7 411.8 0.00 37 70 18720 -78.9 -88.9 18 10.0 -78.9 80 42 415.6 415.6 307.2 415.6 0.00 38 67 18973 -73.3 -87.3 10 14.0 -73.4 87 41 433.0 433.0 309.1 433.0 0.00 39 57 19930 -68.7 -90.7 3 22.0 -68.9 113 39 463.9 463.9 312.1 463.9 0.00 TRP 104 16462 -83.1 -88.0 42 4.9 -83.1 75 42 363.1 363.1 299.3 363.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5819.00 m Freezing level: 542.72 mb = 5212.80 m = 17102.15 ft Wetbulb zero: 549.38 mb = 5105.96 m = 16751.64 ft Precipitable water: 2.51 inches Sfc-500 mean rel hum: 81.86 % Est. max temperature: 32.91 C = 91.23 F Sfc-Lift cond lev (LCL): 948.02 mb = 512.07 m = 1679.99 ft T: 24.15 C 700-500 lapse rate: 5.58 C/km ThetaE index: 19.28 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 921.53 mb = 761.82 m = 2499.38 ft Mean mixing ratio: 18.30 g/kg Conv temperature: 29.30 C = 84.74 F Cap Strength: 1.95 C Lifted Index: -3.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.47 C Lifted Index @700 mb: -0.78 C Showalter Index: 0.12 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.90 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 657.40 J/kg Max Up Vert Vel: 36.26 m/s Conv Inhibition (B-): 0.04 J/kg Cap Strength: 1.91 C Lift Cond Lev (LCL): 924.58 mb = 732.95 m = 2404.65 ft Lev Free Conv (LFC): 909.58 mb = 875.51 m = 2872.36 ft Equ Level (EL): 849.58 mb = 1467.24 m = 4813.72 ft B at Equ Level: 11.02 J/kg Max Parcel Lev (MPL): 829.58 mb = 1671.73 m = 5484.60 ft Wind level data Storm motion: 293 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 1004 4 230 6 4.6 3.9 | 154 8 -3.6 7.4 1 1000 41 225 8 5.7 5.7 | 164 10 -2.6 9.2 2 971 305 215 11 6.3 9.0 | 171 13 -1.9 12.6 3 938 610 225 10 7.1 7.1 | 174 11 -1.2 10.6 4 925 729 230 9 6.9 5.8 | 172 9 -1.3 9.3 5 905 914 240 9 7.8 4.5 | 177 8 -0.4 8.1 6 850 1463 270 14 14.0 -0.0 | 238 7 5.8 3.6 7 844 1524 270 15 15.0 -0.0 | 242 8 6.8 3.6 8 786 2134 255 13 12.6 3.4 | 212 8 4.3 6.9 9 706 3048 270 14 14.0 -0.0 | 238 7 5.8 3.6 10 700 3118 265 14 13.9 1.2 | 230 7 5.7 4.8 11 655 3658 260 14 13.8 2.4 | 223 8 5.6 6.0 12 586 4572 270 10 10.0 -0.0 | 206 4 1.8 3.6 13 564 4877 275 10 10.0 -0.9 | 213 3 1.7 2.7 14 523 5486 290 10 9.4 -3.4 | 263 1 1.2 0.1 15 500 5860 295 13 11.8 -5.5 | 299 4 3.5 -1.9 16 485 6096 295 14 12.7 -5.9 | 298 5 4.5 -2.4 17 400 7590 285 9 8.7 -2.3 | 200 1 0.5 1.2 18 398 7620 285 8 7.7 -2.1 | 161 2 -0.5 1.5 19 325 9144 295 11 10.0 -4.6 | 302 2 1.7 -1.1 20 300 9730 340 8 2.7 -7.5 | 54 7 -5.5 -4.0 21 263 10668 40 7 -4.5 -5.4 | 82 13 -12.7 -1.8 22 250 11020 60 7 -6.1 -3.5 | 90 14 -14.3 0.1 23 210 12192 75 10 -9.7 -2.6 | 93 18 -17.9 1.0 24 200 12520 75 14 -13.5 -3.6 | 90 22 -21.8 -0.1 25 166 13716 75 27 -26.1 -7.0 | 84 34 -34.3 -3.4 26 150 14340 80 28 -27.6 -4.9 | 88 36 -35.8 -1.3 27 128 15240 80 33 -32.5 -5.7 | 87 41 -40.7 -2.2 28 104 16459 70 39 -36.6 -13.3 | 78 46 -44.9 -9.8 29 104 16462 75 42 -40.6 -10.9 | 81 49 -48.8 -7.3 30 100 16680 90 41 -41.0 0.0 | 94 49 -49.2 3.6 31 75 18288 75 22 -21.3 -5.7 | 86 30 -29.5 -2.1 32 70 18720 80 42 -41.4 -7.3 | 86 50 -49.6 -3.7 33 56 19812 115 39 -35.3 16.5 | 115 48 -43.6 20.0 34 53 20117 115 39 -35.3 16.5 | 115 48 -43.6 20.0 Wind Parameters Mean winds (0-6000m): 263.4 at 12.0 knts Storm direction: 293.4 at 9.0 knts Shear (0-3000m) pos: 2.3 neg: 1.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 82.9 deg Storm rel helicity (0-3000m) pos: 32.1 neg: -8.5 tot: 23.7 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.9 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 69.88 Bulk Shear: 9.41 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 ------------------------------------------------------------------------------- 500 219 10 170 11| 0.0 4.6 4.6| 8.8 0.0 8.8 17.7 0.49| 7.1 3.4 1000 225 10 172 10| 2.1 2.3 4.4| 13.1 -0.7 12.5 12.5 0.44| 5.9 2.6 1500 239 10 185 9| 3.8 1.5 5.3| 26.2 -0.7 25.5 17.0 0.64| 6.4 4.1 2000 248 11 196 8| 2.8 1.7 4.5| 26.2 -7.1 19.1 9.6 0.40| 5.7 2.3 2500 250 12 201 8| 2.4 1.4 3.8| 28.5 -8.5 20.1 8.0 0.39| 4.9 1.9 3000 253 12 205 8| 2.3 1.1 3.5| 32.1 -8.5 23.7 7.9 0.43| 4.4 1.9 4000 256 13 211 8| 1.7 1.1 2.8| 32.1 -12.7 19.5 4.9 0.31| 3.8 1.2 5000 258 12 211 7| 1.5 0.9 2.4| 32.7 -14.2 18.5 3.7 0.25| 3.5 0.9 6000 263 12 216 6| 1.7 0.7 2.4| 34.1 -14.2 19.9 3.3 0.28| 3.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250612.12.gif