UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050512.upa.cvt Date: 1200Z 5 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 5 MAY 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 26.0 84 3.0 26.7 0 0 301.8 305.8 299.8 365.6 21.53 1 1000 41 29.6 24.6 75 5.0 25.9 195 5 302.8 306.4 299.0 361.6 19.84 2 935 638 24.0 22.5 91 1.5 22.9 200 7 302.9 306.4 298.4 358.3 18.66 3 925 733 23.8 20.5 82 3.3 21.4 200 6 303.6 306.7 297.3 353.1 16.63 4 912 857 23.6 17.6 69 6.0 19.4 197 5 304.7 307.3 295.8 346.5 14.02 5 850 1471 20.0 18.0 88 2.0 18.6 160 2 307.1 310.0 297.4 353.7 15.46 6 842 1553 19.4 17.5 89 1.9 18.1 159 2 307.3 310.1 297.3 352.9 15.12 7 700 3125 11.6 7.8 77 3.8 9.2 70 2 315.3 317.2 295.6 345.1 9.54 8 609 4281 5.6 0.7 71 4.9 2.8 93 2 321.2 322.5 295.0 342.6 6.63 9 561 4948 0.6 0.1 96 0.5 0.3 72 6 323.0 324.3 295.6 345.3 6.89 10 547 5152 0.0 -1.4 90 1.4 -0.7 60 5 324.6 325.8 295.6 345.3 6.33 11 542 5226 0.2 -2.7 81 2.9 -1.3 56 5 325.7 326.8 295.4 344.8 5.80 12 535 5330 0.0 -4.5 72 4.5 -2.3 50 5 326.7 327.7 295.2 343.7 5.13 13 500 5870 -3.9 -6.4 83 2.5 -5.1 25 5 328.3 329.2 295.3 344.2 4.74 14 425 7129 -11.3 -12.3 92 1.0 -11.7 87 8 334.5 335.2 295.8 346.6 3.50 15 400 7590 -13.7 -15.0 90 1.3 -14.2 115 9 337.2 337.8 296.1 347.7 2.98 16 337 8874 -21.9 -24.5 79 2.6 -22.6 94 7 342.9 343.3 296.3 348.7 1.56 17 300 9720 -28.3 -31.1 77 2.8 -28.9 80 6 345.5 345.7 296.4 349.1 0.95 18 274 10363 -32.9 -37.9 61 5.0 -33.6 87 9 347.9 348.0 296.6 350.0 0.53 19 255 10864 -37.3 -40.0 76 2.7 -37.6 96 12 348.6 348.7 296.7 350.5 0.46 20 250 11000 -38.3 -42.1 67 3.8 -38.7 100 12 349.1 349.2 296.8 350.6 0.38 21 211 12148 -47.7 -55.7 39 8.0 -48.1 110 13 351.8 351.8 297.1 352.2 0.10 22 200 12500 -50.9 -55.9 55 5.0 -51.1 110 18 352.2 352.2 297.2 352.6 0.10 23 194 12697 -52.7 -57.2 58 4.5 -52.8 112 19 352.4 352.4 297.2 352.7 0.09 24 183 13069 -56.3 -61.3 53 5.0 -56.4 117 20 352.5 352.5 297.2 352.7 0.05 25 177 13279 -57.3 -64.3 41 7.0 -57.5 119 21 354.2 354.2 297.5 354.4 0.04 26 171 13495 -59.1 -63.6 56 4.5 -59.2 122 21 354.7 354.7 297.7 354.9 0.04 27 150 14300 -66.3 -71.2 50 4.9 -66.4 110 26 355.9 355.9 297.9 355.9 0.02 28 116 15812 -77.9 -82.9 44 5.0 -77.9 110 32 361.5 361.5 299.0 361.6 0.00 29 102 16539 -82.3 -87.3 42 5.0 -82.3 115 27 366.6 366.6 299.9 366.6 0.00 30 100 16650 -80.9 -86.9 36 6.0 -80.9 115 23 371.4 371.4 300.8 371.4 0.00 31 93 17060 -79.3 -86.3 31 7.0 -79.3 153 17 382.4 382.4 302.6 382.4 0.00 32 81 17835 -83.3 -89.3 34 6.0 -83.3 224 7 389.6 389.6 303.7 389.6 0.00 33 75 18272 -74.7 -86.7 14 12.0 -74.7 264 1 416.3 416.3 307.3 416.3 0.00 34 70 18670 -77.5 -89.5 13 12.0 -77.6 265 19 418.6 418.6 307.6 418.6 0.00 35 63 19272 -78.1 -90.1 13 12.0 -78.1 206 11 430.1 430.1 308.9 430.1 0.00 36 61 19456 -77.7 -90.7 11 13.0 -77.7 188 9 434.9 434.9 309.4 434.9 0.00 37 57 19851 -70.9 -89.9 4 19.0 -71.0 161 6 458.9 458.9 311.7 458.9 0.00 38 50 20630 -68.9 -90.9 3 22.0 -69.1 240 18 481.1 481.1 313.5 481.1 0.00 39 47 21001 -68.1 -90.1 3 22.0 -68.3 244 18 491.6 491.6 314.4 491.6 0.00 40 45 21262 -68.3 -90.3 3 22.0 -68.5 247 17 497.3 497.3 314.8 497.3 0.00 41 41 21831 -60.7 -89.7 1 29.0 -61.3 272 16 529.7 529.7 316.9 529.7 0.00 42 37 22472 -59.1 -88.1 1 29.0 -59.9 315 13 549.6 549.6 318.1 549.6 0.00 43 34 23000 -61.3 -89.3 1 28.0 -62.0 351 11 557.2 557.2 318.5 557.2 0.00 44 30 23787 -55.5 -86.5 1 31.0 -57.0 36 11 593.3 593.3 320.3 593.4 0.01 TRP 102 16539 -82.3 -87.3 42 5.0 -82.3 115 27 366.6 366.6 299.9 366.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5829.00 m Freezing level: 535.00 mb = 5330.09 m = 17486.97 ft Wetbulb zero: 556.85 mb = 5008.09 m = 16430.54 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 80.55 % Est. max temperature: 34.14 C = 93.45 F Sfc-Lift cond lev (LCL): 961.88 mb = 386.45 m = 1267.85 ft T: 26.36 C 700-500 lapse rate: 5.65 C/km ThetaE index: 19.12 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 863.56 mb = 1332.99 m = 4373.29 ft Mean mixing ratio: 18.18 g/kg Conv temperature: 33.76 C = 92.76 F Cap Strength: 1.64 C Lifted Index: -3.39 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.71 C Lifted Index @700 mb: -0.90 C Showalter Index: -2.22 C Risk: Severe thunderstorms possible Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.90 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 225.00 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1274.43 J/kg Max Up Vert Vel: 50.49 m/s Conv Inhibition (B-): 30.92 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 906.16 mb = 913.19 m = 2996.00 ft Lev Free Conv (LFC): 801.16 mb = 1975.92 m = 6482.59 ft Equ Level (EL): 141.16 mb = 14657.19 m = 48087.32 ft B at Equ Level: 1273.08 J/kg Max Parcel Lev (MPL): 81.16 mb = 17823.71 m = 58476.01 ft Wind level data Storm motion: 150 at 3 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 0 0 -0.0 -0.0 | 330 3 1.4 -2.4 1 1000 41 195 5 1.3 4.8 | 227 4 2.6 2.5 2 971 305 195 7 1.8 6.8 | 216 5 3.2 4.4 3 938 610 200 7 2.4 6.6 | 222 6 3.7 4.2 4 925 733 200 6 2.1 5.6 | 226 5 3.4 3.3 5 906 914 195 4 1.0 3.9 | 238 3 2.4 1.5 6 850 1471 160 2 -0.7 1.9 | 307 1 0.7 -0.5 7 845 1524 160 2 -0.7 1.9 | 307 1 0.7 -0.5 8 786 2134 135 4 -2.8 2.8 | 107 2 -1.5 0.5 9 706 3048 105 3 -2.9 0.8 | 44 2 -1.5 -1.6 10 700 3125 70 2 -1.9 -0.7 | 10 3 -0.5 -3.1 11 656 3658 70 1 -0.9 -0.3 | 351 3 0.4 -2.7 12 586 4572 105 3 -2.9 0.8 | 44 2 -1.5 -1.6 13 565 4877 75 6 -5.8 -1.6 | 49 6 -4.4 -3.9 14 524 5486 40 4 -2.6 -3.1 | 13 6 -1.2 -5.4 15 500 5870 25 5 -2.1 -4.5 | 6 7 -0.8 -6.9 16 486 6096 25 5 -2.1 -4.5 | 6 7 -0.8 -6.9 17 400 7590 115 9 -8.2 3.8 | 102 7 -6.8 1.4 18 398 7620 110 9 -8.5 3.1 | 96 7 -7.1 0.7 19 324 9144 90 7 -7.0 0.0 | 67 6 -5.6 -2.4 20 300 9720 80 6 -5.9 -1.0 | 53 6 -4.6 -3.4 21 262 10668 90 11 -11.0 0.0 | 76 10 -9.6 -2.4 22 250 11000 100 12 -11.8 2.1 | 88 10 -10.5 -0.3 23 209 12192 110 13 -12.2 4.4 | 101 11 -10.9 2.1 24 200 12500 110 18 -16.9 6.2 | 104 16 -15.6 3.8 25 165 13716 125 22 -18.0 12.6 | 122 20 -16.7 10.2 26 150 14300 110 26 -24.4 8.9 | 106 24 -23.1 6.5 27 128 15240 105 31 -29.9 8.0 | 101 29 -28.6 5.6 28 103 16459 115 33 -29.9 13.9 | 112 31 -28.6 11.6 29 102 16539 115 27 -24.5 11.4 | 111 25 -23.1 9.0 30 100 16650 115 23 -20.8 9.7 | 111 21 -19.5 7.3 31 75 18288 265 1 1.0 0.1 | 314 3 2.3 -2.3 32 70 18670 265 19 18.9 1.7 | 272 20 20.3 -0.7 33 58 19812 155 5 -2.1 4.5 | 161 2 -0.8 2.2 34 50 20630 240 18 15.6 9.0 | 249 18 16.9 6.6 35 43 21336 250 17 16.0 5.8 | 259 18 17.3 3.4 36 31 22860 25 9 -3.8 -8.2 | 13 11 -2.5 -10.5 37 24 24079 85 22 -21.9 -1.9 | 78 21 -20.6 -4.3 Wind Parameters Mean winds (0-6000m): 120.4 at 3.6 knts Storm direction: 150.4 at 2.7 knts Shear (0-3000m) pos: 0.0 neg: 0.5 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): 75.8 deg Storm rel helicity (0-3000m) pos: 2.3 neg: -4.5 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -1.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 242.27 Bulk Shear: 5.26 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 ------------------------------------------------------------------------------- 500 196 6 220 5| 0.0 7.2 7.2| 0.5 -3.6 -3.0 -6.0 -0.79| 8.6 -6.7 1000 197 6 223 4| 0.0 1.9 1.9| 2.0 -3.6 -1.5 -1.5 -0.44| 6.2 -2.7 1500 194 5 227 3| 0.0 0.7 0.7| 2.3 -3.6 -1.2 -0.8 -0.29| 4.9 -1.4 2000 187 4 224 3| 0.0 0.9 0.9| 2.3 -3.6 -1.2 -0.6 -0.30| 4.2 -1.3 2500 177 4 212 2| 0.0 0.7 0.7| 2.3 -4.0 -1.6 -0.7 -0.33| 3.6 -1.2 3000 169 4 199 2| 0.0 0.5 0.5| 2.3 -4.5 -2.2 -0.7 -0.36| 3.2 -1.2 4000 160 3 191 1| 0.1 0.2 0.2| 2.8 -6.3 -3.4 -0.9 -0.39| 2.9 -1.1 5000 143 3 118 1| 0.2 0.5 0.7| 4.1 -8.1 -3.9 -0.8 -0.28| 2.9 -0.8 6000 120 4 73 2| 0.2 0.5 0.6| 4.1 -13.5 -9.3 -1.6 -0.35| 2.8 -1.0 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250505.12.gif