UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060400.upa.cvt Date: 0000Z 4 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 4 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 1008 4 26.0 25.0 94 1.0 25.3 0 0 298.5 302.1 298.1 357.3 20.16 1 1000 76 26.2 25.1 94 1.1 25.4 260 2 299.4 303.1 298.5 359.3 20.46 2 987 192 28.0 24.9 83 3.1 25.7 260 7 302.3 306.0 299.3 363.0 20.48 3 925 767 23.6 21.6 89 2.0 22.2 290 12 303.4 306.7 298.0 356.4 17.83 4 850 1504 19.6 14.8 74 4.8 16.4 305 18 306.7 309.0 295.4 344.4 12.55 5 812 1896 16.8 13.5 81 3.3 14.6 305 17 307.7 310.0 295.3 344.2 12.07 6 798 2045 16.2 10.2 68 6.0 12.4 305 16 308.6 310.5 294.0 338.6 9.84 7 771 2337 14.4 12.4 88 2.0 13.1 309 16 309.8 312.0 295.7 345.8 11.82 8 727 2833 12.4 4.4 58 8.0 7.7 320 16 312.8 314.2 293.2 335.3 7.23 9 723 2879 13.2 -1.8 35 15.0 5.3 321 16 314.2 315.1 291.4 328.9 4.64 10 715 2973 13.0 -7.0 24 20.0 3.4 323 16 315.0 315.6 290.3 325.2 3.16 11 700 3151 11.2 -2.8 37 14.0 4.0 330 15 314.9 315.7 291.5 329.1 4.45 12 668 3540 8.0 0.0 57 8.0 3.7 323 15 315.5 316.6 292.7 333.7 5.74 13 655 3702 7.0 -7.0 36 14.0 0.4 320 15 316.2 316.9 291.0 327.4 3.45 14 640 3893 5.6 -5.4 45 11.0 0.3 321 14 316.7 317.5 291.6 329.6 4.00 15 636 3944 4.8 -0.2 70 5.0 2.1 321 14 316.4 317.5 293.1 335.2 5.94 16 631 4009 5.0 -4.0 52 9.0 0.5 322 14 317.3 318.2 292.2 331.8 4.51 17 627 4061 5.0 0.8 74 4.2 2.7 322 14 317.9 319.1 294.0 338.5 6.48 18 614 4232 5.4 -4.6 48 10.0 0.4 323 13 320.2 321.1 293.0 334.7 4.43 19 570 4836 0.8 -4.2 69 5.0 -1.7 317 10 321.7 322.7 293.7 337.8 4.92 20 562 4950 0.2 -0.7 94 0.9 -0.3 313 10 322.3 323.6 295.1 343.3 6.49 21 521 5554 -3.9 -3.9 100 0.0 -3.9 288 13 324.4 325.5 294.9 342.5 5.51 22 518 5600 -3.3 -4.8 89 1.5 -4.1 286 13 325.7 326.7 295.0 342.8 5.18 23 500 5880 -3.7 -7.8 73 4.1 -5.7 275 17 328.5 329.4 295.0 342.8 4.26 24 495 5960 -4.1 -8.2 73 4.1 -6.0 273 16 329.0 329.8 295.0 343.0 4.17 25 469 6384 -7.3 -8.7 90 1.4 -7.9 256 14 330.1 331.0 295.4 344.4 4.23 26 400 7610 -14.3 -18.9 68 4.6 -15.9 195 11 336.4 336.8 295.3 344.0 2.15 27 368 8237 -18.5 -23.5 65 5.0 -20.0 162 14 338.9 339.3 295.4 344.6 1.56 28 358 8441 -20.3 -21.7 89 1.4 -20.7 153 15 339.2 339.6 295.7 346.0 1.88 29 352 8566 -20.7 -24.6 71 3.9 -21.8 147 16 340.3 340.6 295.7 345.7 1.48 30 349 8630 -20.5 -26.5 59 6.0 -22.1 144 16 341.4 341.7 295.7 346.1 1.26 31 300 9730 -28.9 -31.9 75 3.0 -29.5 115 24 344.6 344.8 296.2 348.0 0.88 32 288 10019 -31.1 -34.3 73 3.2 -31.6 113 24 345.6 345.7 296.3 348.4 0.73 33 250 11000 -39.5 -42.6 72 3.1 -39.8 105 25 347.3 347.4 296.4 348.8 0.36 34 200 12490 -52.3 -58.3 48 6.0 -52.5 95 30 349.9 350.0 296.7 350.3 0.07 35 192 12752 -54.7 -60.7 47 6.0 -54.9 97 31 350.2 350.2 296.7 350.5 0.06 36 186 12955 -56.5 -61.5 53 5.0 -56.6 99 33 350.5 350.5 296.8 350.7 0.05 37 165 13704 -62.3 -71.3 29 9.0 -62.4 105 37 353.0 353.0 297.3 353.1 0.02 38 159 13933 -62.5 -73.5 21 11.0 -62.6 105 48 356.4 356.4 298.0 356.5 0.01 39 150 14290 -64.9 -74.9 24 10.0 -65.0 105 67 358.3 358.3 298.4 358.3 0.01 40 134 14969 -69.7 -75.7 41 6.0 -69.7 105 79 361.5 361.5 299.0 361.5 0.01 41 131 15103 -70.6 -77.7 34 7.1 -70.6 105 81 362.3 362.3 299.1 362.3 0.01 42 126 15332 -72.1 -81.1 25 9.0 -72.1 105 80 363.6 363.6 299.4 363.6 0.00 43 112 16015 -77.9 -83.9 37 6.0 -77.9 109 78 365.2 365.2 299.7 365.2 0.00 44 109 16170 -78.5 -84.5 37 6.0 -78.5 110 78 366.9 366.9 300.0 366.9 0.00 45 100 16660 -78.5 -86.5 26 8.0 -78.5 120 56 376.1 376.1 301.6 376.1 0.00 46 86 17517 -79.7 -86.7 30 7.0 -79.7 109 37 390.2 390.2 303.8 390.2 0.00 47 80 17932 -74.7 -86.7 14 12.0 -74.7 104 29 408.7 408.7 306.3 408.7 0.00 48 70 18700 -78.7 -89.7 15 11.0 -78.7 45 17 416.0 416.0 307.2 416.0 0.00 49 65 19125 -77.5 -90.5 11 13.0 -77.6 63 22 427.5 427.6 308.6 427.6 0.00 50 63 19307 -72.1 -88.1 7 16.0 -72.2 70 24 443.3 443.3 310.2 443.3 0.00 51 53 20350 -63.1 -87.1 3 24.0 -63.5 99 17 486.6 486.6 314.0 486.6 0.00 52 50 20710 -61.9 -86.9 2 25.0 -62.4 105 9 497.6 497.6 314.8 497.6 0.00 53 46 21222 -63.9 -87.9 2 24.0 -64.3 76 9 504.8 504.8 315.3 504.8 0.00 54 37 22556 -63.5 -89.5 2 26.0 -64.0 78 21 538.3 538.3 317.4 538.3 0.00 55 32 23461 -56.7 -87.7 1 31.0 -57.9 83 33 579.3 579.3 319.6 579.3 0.01 56 30 23870 -55.9 -86.9 1 31.0 -57.3 85 39 592.2 592.2 320.3 592.3 0.01 57 28 24310 -55.3 -86.3 1 31.0 -56.9 85 40 605.7 605.7 320.9 605.8 0.01 58 28 24310 -55.9 -86.9 1 31.0 -57.4 85 40 604.0 604.1 320.8 604.1 0.01 TRP 109 16170 -78.5 -84.5 37 6.0 -78.5 110 78 366.9 366.9 300.0 366.9 0.00 WND 131 15103 -70.6 -77.7 34 7.1 -70.6 105 81 362.3 362.3 299.1 362.3 0.01 Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 560.00 mb = 4979.35 m = 16336.25 ft Wetbulb zero: 606.25 mb = 4335.32 m = 14223.33 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 71.66 % Est. max temperature: 33.87 C = 92.97 F Sfc-Lift cond lev (LCL): 993.95 mb = 130.03 m = 426.59 ft T: 27.04 C 700-500 lapse rate: 5.46 C/km ThetaE index: 24.45 C Layer 925.0- 771.0 mb Conv cond level (CCL): 898.05 mb = 1024.74 m = 3361.98 ft Mean mixing ratio: 19.06 g/kg Conv temperature: 32.12 C = 89.82 F Cap Strength: 0.93 C Lifted Index: -3.78 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.19 C Lifted Index @700 mb: -1.71 C Showalter Index: 1.32 C Risk: Showers probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.50 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 230.60 Risk: None Energy Index: -0.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2091.28 J/kg Max Up Vert Vel: 64.67 m/s Conv Inhibition (B-): 16.30 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 926.02 mb = 757.22 m = 2484.27 ft Lev Free Conv (LFC): 861.02 mb = 1391.70 m = 4565.88 ft Equ Level (EL): 141.02 mb = 14661.27 m = 48100.71 ft B at Equ Level: 2077.86 J/kg Max Parcel Lev (MPL): 71.02 mb = 18616.56 m = 61077.21 ft Wind level data Storm motion: 336 at 10 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 4 0 0 -0.0 -0.0 | 156 10 -4.2 9.5 1 1000 76 260 2 2.0 0.3 | 167 10 -2.2 9.9 2 975 305 260 12 11.8 2.1 | 213 14 7.6 11.6 3 942 610 280 11 10.8 -1.9 | 221 10 6.7 7.6 4 925 767 290 12 11.3 -4.1 | 233 9 7.1 5.4 5 909 914 295 14 12.7 -5.9 | 247 9 8.5 3.6 6 850 1504 305 18 14.7 -10.3 | 274 11 10.6 -0.8 7 848 1524 305 18 14.7 -10.3 | 274 11 10.6 -0.8 8 789 2134 305 16 13.1 -9.2 | 268 9 8.9 0.3 9 709 3048 325 16 9.2 -13.1 | 306 6 5.0 -3.6 10 700 3151 330 15 7.5 -13.0 | 316 5 3.3 -3.5 11 658 3658 320 15 9.6 -11.5 | 290 6 5.5 -2.0 12 588 4572 325 12 6.9 -9.8 | 277 3 2.7 -0.3 13 566 4877 315 10 7.1 -7.1 | 230 4 2.9 2.4 14 525 5486 290 12 11.3 -4.1 | 233 9 7.1 5.4 15 500 5880 275 17 16.9 -1.5 | 238 15 12.8 8.0 16 486 6096 270 15 15.0 -0.0 | 229 14 10.8 9.5 17 400 7610 195 11 2.8 10.6 | 176 20 -1.3 20.1 18 399 7620 190 11 1.9 10.8 | 174 20 -2.3 20.3 19 325 9144 120 19 -16.5 9.5 | 133 28 -20.6 19.0 20 300 9730 115 24 -21.8 10.1 | 127 33 -25.9 19.7 21 262 10668 110 23 -21.6 7.9 | 124 31 -25.8 17.4 22 250 11000 105 25 -24.1 6.5 | 119 33 -28.3 16.0 23 209 12192 95 28 -27.9 2.4 | 110 34 -32.1 12.0 24 200 12490 95 30 -29.9 2.6 | 110 36 -34.1 12.1 25 164 13716 105 37 -35.7 9.6 | 116 44 -39.9 19.1 26 150 14290 105 67 -64.7 17.3 | 111 74 -68.9 26.9 27 131 15103 105 81 -78.2 21.0 | 110 88 -82.4 30.5 28 128 15240 105 80 -77.3 20.7 | 110 87 -81.4 30.2 29 109 16170 110 78 -73.3 26.7 | 115 86 -77.5 36.2 30 104 16459 110 77 -72.4 26.3 | 115 85 -76.5 35.9 31 100 16660 120 56 -48.5 28.0 | 125 65 -52.7 37.5 32 75 18288 100 21 -20.7 3.6 | 118 28 -24.9 13.2 33 70 18700 45 17 -12.0 -12.0 | 81 16 -16.2 -2.5 34 58 19812 90 29 -29.0 0.0 | 106 35 -33.2 9.5 35 50 20710 105 9 -8.7 2.3 | 133 17 -12.9 11.8 36 45 21336 70 9 -8.5 -3.1 | 117 14 -12.6 6.4 37 35 22860 80 24 -23.6 -4.2 | 101 28 -27.8 5.3 38 30 23870 85 39 -38.9 -3.4 | 98 43 -43.0 6.1 39 26 24384 85 40 -39.8 -3.5 | 98 44 -44.0 6.0 40 25 24689 80 40 -39.4 -6.9 | 93 44 -43.6 2.6 Wind Parameters Mean winds (0-6000m): 306.3 at 13.9 knts Storm direction: 336.3 at 10.4 knts Shear (0-3000m) pos: 2.3 neg: 1.7 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 147.0 deg Storm rel helicity (0-3000m) pos: 68.7 neg: -2.7 tot: 66.0 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.3 10^-3/s Energy-Hel index: 0.78 Bulk Rich Number: 170.27 Bulk Shear: 12.28 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 ------------------------------------------------------------------------------- 500 264 8 200 11| 0.0 11.7 11.7| 36.1 0.0 36.1 72.1 0.83| 15.2 12.6 1000 278 10 216 10| 3.2 5.8 9.0| 49.4 0.0 49.4 49.4 0.83| 11.0 9.1 1500 289 12 233 9| 3.5 3.9 7.4| 59.9 0.0 59.9 39.9 0.85| 8.8 7.4 2000 294 14 244 9| 2.6 2.6 5.2| 59.9 -2.3 57.6 28.8 0.77| 7.0 5.3 2500 297 14 250 9| 2.3 2.1 4.4| 63.8 -2.7 61.1 24.4 0.75| 6.1 4.6 3000 302 14 256 8| 2.3 1.7 4.0| 68.7 -2.7 66.0 22.0 0.77| 5.6 4.3 4000 308 15 265 7| 1.7 1.2 2.9| 70.2 -6.0 64.2 16.1 0.63| 4.9 3.0 5000 310 14 266 7| 1.3 1.2 2.5| 70.4 -8.7 61.8 12.4 0.48| 4.5 2.1 6000 306 14 259 7| 1.1 1.8 2.9| 73.0 -14.5 58.5 9.8 0.37| 4.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250604.00.gif