UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061112.upa.cvt Date: 1200Z 11 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 11 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 1003 4 29.0 26.5 86 2.5 27.1 210 4 301.9 306.0 300.2 367.8 22.22 1 1000 32 28.8 24.9 80 3.9 25.9 205 6 302.0 305.7 299.1 361.8 20.21 2 933 646 23.4 22.4 94 1.0 22.7 250 6 302.5 305.9 298.2 357.5 18.58 3 925 722 23.0 21.4 91 1.6 21.9 270 7 302.8 306.1 297.7 355.0 17.61 4 909 875 23.8 17.8 69 6.0 19.6 286 11 305.2 307.8 296.1 347.8 14.25 5 889 1069 21.6 17.9 79 3.7 19.0 290 15 304.8 307.6 296.3 348.6 14.67 6 850 1459 20.2 15.2 73 5.0 16.8 290 22 307.3 309.7 295.8 346.2 12.89 7 817 1800 18.4 12.4 68 6.0 14.4 292 25 308.9 311.0 295.0 342.8 11.14 8 774 2263 16.0 6.0 51 10.0 10.0 292 28 311.1 312.6 293.0 334.6 7.60 9 754 2485 14.2 8.2 67 6.0 10.4 286 28 311.5 313.2 294.2 339.5 9.09 10 728 2781 13.0 2.0 47 11.0 6.8 277 27 313.3 314.5 292.4 332.4 6.08 11 700 3110 10.2 5.2 71 5.0 7.2 270 28 313.8 315.3 294.0 338.6 7.95 12 689 3242 9.2 5.6 78 3.6 7.1 270 28 314.1 315.7 294.3 340.0 8.31 13 681 3339 9.8 0.8 53 9.0 4.8 270 28 315.8 317.0 293.0 334.7 5.96 14 664 3549 9.2 2.2 62 7.0 5.2 270 28 317.4 318.7 294.0 338.9 6.77 15 588 4545 2.6 2.6 100 0.0 2.6 336 18 321.0 322.5 295.8 346.2 7.88 16 542 5200 -1.5 -1.7 99 0.2 -1.6 335 17 323.7 324.9 295.3 344.0 6.25 17 500 5840 -4.3 -5.0 95 0.7 -4.7 320 14 327.8 328.9 295.6 345.4 5.28 18 491 5984 -4.9 -6.8 87 1.9 -5.8 326 14 328.8 329.7 295.4 344.5 4.69 19 430 7023 -10.5 -10.9 97 0.4 -10.7 7 10 334.4 335.1 296.1 347.7 3.88 20 400 7580 -13.5 -14.6 91 1.1 -13.9 30 8 337.4 338.1 296.3 348.3 3.08 21 356 8456 -17.9 -19.8 85 1.9 -18.6 36 12 343.0 343.4 296.8 351.1 2.24 22 300 9710 -26.5 -29.4 76 2.9 -27.2 70 17 348.0 348.3 297.1 352.3 1.12 23 250 11000 -37.1 -40.6 70 3.5 -37.5 50 16 350.9 351.0 297.2 352.7 0.44 24 217 11961 -45.1 -49.0 65 3.9 -45.4 50 22 353.0 353.1 297.5 353.9 0.20 25 200 12500 -49.7 -54.5 57 4.8 -49.9 45 22 354.1 354.1 297.6 354.6 0.12 26 195 12666 -50.9 -56.9 49 6.0 -51.1 46 23 354.7 354.7 297.7 355.1 0.09 27 173 13435 -57.9 -62.8 53 4.9 -58.0 53 30 355.5 355.5 297.8 355.7 0.05 28 150 14320 -65.7 -70.7 50 5.0 -65.8 70 45 356.9 356.9 298.1 357.0 0.02 29 134 14995 -71.9 -76.9 47 5.0 -71.9 77 52 357.6 357.6 298.2 357.6 0.01 30 107 16289 -81.9 -87.9 35 6.0 -81.9 85 72 362.4 362.4 299.2 362.4 0.00 31 105 16394 -81.2 -87.8 32 6.6 -81.2 85 72 365.6 365.6 299.8 365.7 0.00 32 100 16670 -79.5 -87.5 25 8.0 -79.5 100 70 374.1 374.1 301.3 374.1 0.00 33 89 17333 -76.9 -85.9 22 9.0 -76.9 94 54 392.0 392.0 304.1 392.0 0.00 34 82 17800 -78.9 -87.9 22 9.0 -78.9 89 43 397.2 397.2 304.8 397.2 0.00 35 76 18236 -74.9 -87.9 12 13.0 -74.9 85 33 414.3 414.3 307.0 414.3 0.00 36 70 18710 -76.7 -89.7 11 13.0 -76.7 70 13 420.3 420.3 307.7 420.3 0.00 37 65 19137 -76.5 -89.5 11 13.0 -76.6 72 23 429.7 429.7 308.8 429.7 0.00 38 50 20700 -63.3 -89.3 2 26.0 -63.7 95 34 494.3 494.3 314.5 494.3 0.00 39 45 21350 -61.9 -88.9 2 27.0 -62.4 110 29 512.8 512.8 315.8 512.9 0.00 40 30 23880 -58.7 -88.7 1 30.0 -59.7 85 36 584.6 584.6 319.9 584.6 0.00 41 27 24543 -58.1 -88.1 1 30.0 -59.3 85 39 604.2 604.2 320.8 604.2 0.01 TRP 107 16289 -81.9 -87.9 35 6.0 -81.9 85 72 362.4 362.4 299.2 362.4 0.00 WND 105 16394 -81.2 -87.8 32 6.6 -81.2 85 72 365.6 365.6 299.8 365.7 0.00 Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 558.83 mb = 4960.33 m = 16273.86 ft Wetbulb zero: 559.67 mb = 4941.97 m = 16213.61 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 78.34 % Est. max temperature: 34.23 C = 93.61 F Sfc-Lift cond lev (LCL): 967.92 mb = 320.92 m = 1052.86 ft T: 26.26 C 700-500 lapse rate: 5.31 C/km ThetaE index: 20.06 C Layer 1000.0- 889.0 mb Conv cond level (CCL): 884.12 mb = 1117.12 m = 3665.05 ft Mean mixing ratio: 18.44 g/kg Conv temperature: 32.25 C = 90.05 F Cap Strength: 2.04 C Lifted Index: -3.85 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.03 C Lifted Index @700 mb: -2.36 C Showalter Index: 0.07 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 19.50 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 240.40 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1100.08 J/kg Max Up Vert Vel: 46.91 m/s Conv Inhibition (B-): 30.49 J/kg Cap Strength: 1.78 C Lift Cond Lev (LCL): 915.53 mb = 812.22 m = 2664.74 ft Lev Free Conv (LFC): 780.53 mb = 2190.82 m = 7187.64 ft Equ Level (EL): 130.53 mb = 15146.19 m = 49691.63 ft B at Equ Level: 1089.78 J/kg Max Parcel Lev (MPL): 80.53 mb = 17904.31 m = 58740.47 ft Wind level data Storm motion: 323 at 15 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 1003 4 210 4 2.0 3.5 | 155 17 -7.0 15.4 1 1000 32 205 6 2.5 5.4 | 160 19 -6.5 17.4 2 970 305 210 9 4.5 7.8 | 167 20 -4.5 19.8 3 937 610 240 6 5.2 3.0 | 166 15 -3.8 15.0 4 925 722 270 7 7.0 -0.0 | 170 12 -2.0 12.0 5 905 914 290 12 11.3 -4.1 | 196 8 2.2 7.9 6 850 1459 290 22 20.7 -7.5 | 249 12 11.6 4.4 7 844 1524 290 22 20.7 -7.5 | 249 12 11.6 4.4 8 785 2134 295 28 25.4 -11.8 | 270 16 16.3 0.1 9 705 3048 270 27 27.0 -0.0 | 236 22 18.0 12.0 10 700 3110 270 28 28.0 -0.0 | 238 22 19.0 12.0 11 654 3658 270 28 28.0 -0.0 | 238 22 19.0 12.0 12 585 4572 340 17 5.8 -16.0 | 39 5 -3.2 -4.0 13 563 4877 340 19 6.5 -17.9 | 23 6 -2.5 -5.9 14 522 5486 330 16 8.0 -13.9 | 29 2 -1.0 -1.9 15 500 5840 320 14 9.0 -10.7 | 178 1 -0.0 1.2 16 484 6096 330 14 7.0 -12.1 | 86 2 -2.0 -0.2 17 400 7580 30 8 -4.0 -6.9 | 111 14 -13.0 5.0 18 398 7620 20 8 -2.7 -7.5 | 111 13 -11.8 4.5 19 324 9144 50 16 -12.3 -10.3 | 95 21 -21.3 1.7 20 300 9710 70 17 -16.0 -5.8 | 104 26 -25.0 6.2 21 262 10668 60 14 -12.1 -7.0 | 103 22 -21.2 5.0 22 250 11000 50 16 -12.3 -10.3 | 95 21 -21.3 1.7 23 209 12192 50 23 -17.6 -14.8 | 84 27 -26.7 -2.8 24 200 12500 45 22 -15.6 -15.6 | 82 25 -24.6 -3.6 25 165 13716 55 33 -27.0 -18.9 | 79 37 -36.1 -7.0 26 150 14320 70 45 -42.3 -15.4 | 86 51 -51.3 -3.4 27 128 15240 80 55 -54.2 -9.6 | 92 63 -63.2 2.4 28 107 16289 85 72 -71.7 -6.3 | 94 81 -80.8 5.7 29 105 16394 85 72 -71.7 -6.3 | 94 81 -80.8 5.7 30 104 16459 80 70 -68.9 -12.2 | 90 78 -78.0 -0.2 31 100 16670 100 70 -68.9 12.2 | 107 82 -78.0 24.1 32 75 18288 85 32 -31.9 -2.8 | 103 42 -40.9 9.2 33 70 18710 70 13 -12.2 -4.4 | 109 23 -21.3 7.5 34 58 19812 75 38 -36.7 -9.8 | 93 46 -45.7 2.1 35 50 20700 95 34 -33.9 3.0 | 109 45 -42.9 14.9 36 45 21336 110 29 -27.3 9.9 | 121 42 -36.3 21.9 37 35 22860 90 18 -18.0 0.0 | 114 30 -27.0 12.0 38 30 23880 85 36 -35.9 -3.1 | 101 46 -44.9 8.8 39 27 24384 85 39 -38.9 -3.4 | 100 49 -47.9 8.6 40 23 24994 85 40 -39.8 -3.5 | 100 50 -48.9 8.5 Wind Parameters Mean winds (0-6000m): 293.0 at 20.0 knts Storm direction: 323.0 at 15.0 knts Shear (0-3000m) pos: 3.2 neg: 2.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 82.2 deg Storm rel helicity (0-3000m) pos: 76.4 neg: -52.6 tot: 23.8 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 2.2 10^-3/s Energy-Hel index: 0.50 Bulk Rich Number: 20.40 Bulk Shear: 53.93 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 ------------------------------------------------------------------------------- 500 212 8 165 19| 3.6 0.0 3.6| 20.2 -0.6 19.7 39.3 0.47| 8.7 4.1 1000 244 8 174 16| 7.0 0.0 7.0| 40.3 -2.6 37.6 37.6 0.52| 10.8 5.6 1500 271 12 192 12| 4.6 2.9 7.5| 58.3 -2.6 55.7 37.1 0.61| 10.1 6.1 2000 281 15 211 11| 4.8 2.1 6.9| 73.1 -2.6 70.4 35.2 0.64| 8.8 5.6 2500 284 17 226 11| 3.8 2.1 5.9| 76.4 -22.2 54.2 21.7 0.46| 8.3 3.8 3000 283 19 231 12| 3.2 2.2 5.4| 76.4 -52.6 23.8 7.9 0.27| 8.0 2.2 4000 280 21 235 15| 3.0 1.8 4.8|112.3 -52.7 59.6 14.9 0.34| 7.8 2.6 5000 287 21 241 12| 3.0 1.4 4.4|134.4 -54.9 79.6 15.9 0.40| 8.2 3.3 6000 293 20 246 10| 2.5 1.6 4.1|134.9 -55.2 79.7 13.3 0.38| 7.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250611.12.gif