UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051412.upa.cvt Date: 1200Z 14 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 14 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 1006 4 28.0 26.0 89 2.0 26.5 30 3 300.6 304.6 299.5 364.0 21.48 1 1000 58 28.4 25.2 83 3.2 26.0 110 3 301.5 305.3 299.2 362.4 20.58 2 949 523 24.8 23.1 90 1.7 23.6 169 10 302.4 306.0 298.5 359.0 19.08 3 925 749 23.8 20.8 83 3.0 21.6 175 14 303.6 306.8 297.5 354.1 16.95 4 850 1487 20.2 16.8 81 3.4 17.8 170 15 307.3 310.0 296.7 350.4 14.31 5 792 2096 17.8 10.8 64 7.0 13.3 161 15 311.0 313.0 295.0 342.7 10.33 6 708 3047 11.4 7.2 75 4.2 8.8 165 9 314.1 315.8 294.8 342.2 9.04 7 700 3142 11.0 6.0 71 5.0 8.0 170 9 314.7 316.3 294.6 340.9 8.41 8 654 3708 9.2 2.2 62 7.0 5.2 181 10 318.8 320.1 294.5 340.8 6.88 9 547 5164 -0.3 -3.1 81 2.8 -1.7 193 5 324.2 325.3 294.9 342.5 5.57 10 517 5615 -2.1 -11.1 50 9.0 -6.0 185 6 327.3 328.0 293.9 338.1 3.17 11 514 5661 -2.5 -7.5 68 5.0 -4.9 185 6 327.4 328.2 294.7 341.6 4.24 12 500 5880 -3.7 -8.7 68 5.0 -6.0 185 6 328.5 329.3 294.8 341.9 3.97 13 498 5912 -3.7 -8.4 70 4.7 -5.9 183 6 328.9 329.7 295.0 342.7 4.08 14 482 6171 -4.1 -23.1 21 19.0 -10.3 166 6 331.5 331.7 293.3 335.9 1.24 15 474 6303 -5.1 -25.1 19 20.0 -11.2 159 6 331.9 332.1 293.2 335.7 1.05 16 456 6607 -7.5 -19.5 38 12.0 -11.7 144 6 332.5 332.9 294.0 338.9 1.79 17 450 6711 -8.3 -11.9 75 3.6 -9.8 138 6 332.8 333.5 295.4 344.6 3.42 18 430 7064 -10.3 -13.0 81 2.7 -11.4 120 7 334.6 335.3 295.7 346.0 3.27 19 400 7620 -13.1 -15.6 81 2.5 -14.0 90 7 338.0 338.5 296.2 348.0 2.84 20 396 7696 -13.9 -15.2 90 1.3 -14.4 83 6 337.9 338.5 296.3 348.4 2.97 21 368 8249 -17.1 -21.6 68 4.5 -18.5 67 5 340.8 341.2 296.1 347.5 1.85 22 334 8969 -21.9 -23.4 88 1.5 -22.3 46 4 343.8 344.2 296.7 350.2 1.74 23 326 9147 -22.7 -25.3 79 2.6 -23.4 40 4 345.1 345.4 296.8 350.7 1.50 24 315 9397 -24.7 -28.1 73 3.4 -25.5 36 6 345.7 346.0 296.7 350.3 1.20 25 300 9750 -27.5 -29.8 81 2.3 -28.0 30 8 346.6 346.9 296.8 350.7 1.08 26 289 10017 -29.7 -31.8 82 2.1 -30.1 29 8 347.2 347.4 296.8 350.8 0.92 27 250 11030 -37.7 -41.3 69 3.6 -38.1 20 5 350.0 350.1 297.0 351.7 0.41 28 200 12530 -50.7 -55.0 60 4.3 -50.9 350 8 352.5 352.5 297.3 353.0 0.11 29 196 12661 -51.9 -56.2 60 4.3 -52.1 355 9 352.6 352.6 297.3 353.0 0.10 30 174 13422 -58.3 -64.3 46 6.0 -58.4 27 12 354.3 354.3 297.6 354.4 0.04 31 170 13568 -59.5 -64.5 52 5.0 -59.6 33 12 354.6 354.7 297.7 354.8 0.04 32 150 14340 -66.1 -71.1 49 5.0 -66.1 30 18 356.2 356.2 298.0 356.3 0.02 33 121 15607 -76.1 -80.4 51 4.3 -76.1 47 23 360.5 360.5 298.8 360.5 0.01 34 116 15849 -76.9 -80.1 60 3.2 -76.9 52 25 363.4 363.4 299.4 363.4 0.01 35 100 16690 -81.5 -85.6 50 4.1 -81.5 70 37 370.3 370.3 300.6 370.3 0.00 36 90 17278 -84.3 -88.2 50 3.9 -84.3 65 42 376.0 376.0 301.6 376.0 0.00 37 78 18082 -78.7 -87.7 22 9.0 -78.7 61 39 403.3 403.3 305.6 403.3 0.00 38 73 18459 -79.3 -89.3 18 10.0 -79.3 73 31 409.8 409.8 306.5 409.8 0.00 39 70 18700 -74.3 -87.3 12 13.0 -74.3 90 21 425.4 425.4 308.3 425.4 0.00 40 63 19310 -76.1 -89.1 11 13.0 -76.2 129 15 434.5 434.5 309.3 434.5 0.00 41 61 19496 -75.9 -89.9 9 14.0 -76.0 141 14 438.9 438.9 309.8 439.0 0.00 42 60 19593 -71.3 -89.3 5 18.0 -71.4 147 13 451.3 451.3 311.0 451.3 0.00 43 50 20680 -67.5 -89.5 3 22.0 -67.7 60 17 484.4 484.4 313.8 484.4 0.00 44 48 20926 -67.5 -89.5 3 22.0 -67.7 62 19 490.1 490.1 314.2 490.1 0.00 45 43 21600 -61.7 -88.7 2 27.0 -62.3 70 21 520.0 520.0 316.3 520.1 0.00 46 40 22046 -64.3 -89.3 2 25.0 -64.7 77 21 524.4 524.4 316.6 524.4 0.00 47 31 23641 -55.3 -85.3 1 30.0 -56.8 94 19 588.3 588.3 320.0 588.4 0.01 48 30 23850 -56.1 -86.1 1 30.0 -57.5 95 18 591.7 591.7 320.2 591.8 0.01 49 28 24288 -57.1 -86.1 1 29.0 -58.5 92 17 600.7 600.7 320.6 600.8 0.01 50 27 24519 -55.1 -86.1 1 31.0 -56.8 91 16 612.6 612.6 321.2 612.7 0.01 TRP 90 17278 -84.3 -88.2 50 3.9 -84.3 65 42 376.0 376.0 301.6 376.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 550.38 mb = 5118.34 m = 16792.24 ft Wetbulb zero: 573.90 mb = 4772.96 m = 15659.11 ft Precipitable water: 2.38 inches Sfc-500 mean rel hum: 73.15 % Est. max temperature: 34.38 C = 93.88 F Sfc-Lift cond lev (LCL): 977.79 mb = 257.60 m = 845.14 ft T: 26.86 C 700-500 lapse rate: 5.37 C/km ThetaE index: 23.23 C Layer 1000.0- 547.0 mb Conv cond level (CCL): 879.59 mb = 1188.34 m = 3898.71 ft Mean mixing ratio: 18.82 g/kg Conv temperature: 33.20 C = 91.76 F Cap Strength: 1.18 C Lifted Index: -3.60 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.50 C Lifted Index @700 mb: -1.79 C Showalter Index: -0.91 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.50 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 237.60 Risk: None Energy Index: -1.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1392.83 J/kg Max Up Vert Vel: 52.78 m/s Conv Inhibition (B-): 38.19 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 921.27 mb = 784.26 m = 2573.01 ft Lev Free Conv (LFC): 766.27 mb = 2375.99 m = 7795.15 ft Equ Level (EL): 126.27 mb = 15355.57 m = 50378.55 ft B at Equ Level: 1376.47 J/kg Max Parcel Lev (MPL): 76.27 mb = 18209.11 m = 59740.45 ft Wind level data Storm motion: 202 at 7 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 1006 4 30 3 -1.5 -2.6 | 24 10 -4.1 -9.1 1 1000 58 110 3 -2.8 1.0 | 45 8 -5.4 -5.5 2 973 305 155 6 -2.5 5.4 | 78 5 -5.1 -1.1 3 940 610 175 12 -1.0 12.0 | 146 7 -3.7 5.5 4 925 749 175 14 -1.2 13.9 | 153 8 -3.8 7.4 5 908 914 170 14 -2.4 13.8 | 145 9 -5.0 7.3 6 850 1487 170 15 -2.6 14.8 | 148 10 -5.2 8.3 7 846 1524 170 15 -2.6 14.8 | 148 10 -5.2 8.3 8 788 2134 160 15 -5.1 14.1 | 134 11 -7.7 7.6 9 708 3048 165 9 -2.3 8.7 | 114 5 -4.9 2.2 10 700 3142 170 9 -1.6 8.9 | 120 5 -4.2 2.4 11 657 3658 180 10 0.0 10.0 | 143 4 -2.6 3.5 12 587 4572 195 3 0.8 2.9 | 27 4 -1.8 -3.6 13 566 4877 200 5 1.7 4.7 | 26 2 -0.9 -1.8 14 525 5486 185 6 0.5 6.0 | 76 2 -2.1 -0.5 15 500 5880 185 6 0.5 6.0 | 76 2 -2.1 -0.5 16 486 6096 170 6 -1.0 5.9 | 81 4 -3.6 -0.6 17 400 7620 90 7 -7.0 0.0 | 56 12 -9.6 -6.5 18 400 7620 85 6 -6.0 -0.5 | 51 11 -8.6 -7.0 19 326 9144 40 4 -2.6 -3.1 | 28 11 -5.2 -9.6 20 300 9750 30 8 -4.0 -6.9 | 26 15 -6.6 -13.4 21 263 10668 25 8 -3.4 -7.3 | 24 15 -6.0 -13.8 22 250 11030 20 5 -1.7 -4.7 | 21 12 -4.3 -11.2 23 210 12192 340 7 2.4 -6.6 | 1 13 -0.2 -13.1 24 200 12530 350 8 1.4 -7.9 | 5 14 -1.2 -14.4 25 166 13716 40 13 -8.4 -10.0 | 34 20 -11.0 -16.5 26 150 14340 30 18 -9.0 -15.6 | 28 25 -11.6 -22.1 27 128 15240 40 20 -12.9 -15.3 | 35 27 -15.5 -21.8 28 104 16459 65 31 -28.1 -13.1 | 57 36 -30.7 -19.6 29 100 16690 70 37 -34.8 -12.7 | 63 42 -37.4 -19.2 30 90 17278 65 42 -38.1 -17.7 | 59 47 -40.7 -24.3 31 75 18288 60 38 -32.9 -19.0 | 54 44 -35.5 -25.5 32 70 18700 90 21 -21.0 0.0 | 75 24 -23.6 -6.5 33 58 19812 160 11 -3.8 10.3 | 121 7 -6.4 3.8 34 50 20680 60 17 -14.7 -8.5 | 49 23 -17.3 -15.0 35 45 21336 65 21 -19.0 -8.9 | 55 27 -21.6 -15.4 36 35 22860 90 22 -22.0 0.0 | 75 25 -24.6 -6.5 37 30 23850 95 18 -17.9 1.6 | 76 21 -20.5 -4.9 38 26 24384 90 16 -16.0 0.0 | 71 20 -18.6 -6.5 39 25 24689 70 15 -14.1 -5.1 | 55 20 -16.7 -11.6 Wind Parameters Mean winds (0-6000m): 171.8 at 9.3 knts Storm direction: 201.8 at 7.0 knts Shear (0-3000m) pos: 2.3 neg: 0.4 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 91.7 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -13.2 tot: 12.3 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.6 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 530.48 Bulk Shear: 2.63 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 ------------------------------------------------------------------------------- 500 151 6 74 6| 12.7 0.0 12.7| 19.9 0.0 19.9 39.8 0.88| 13.3 11.7 1000 167 9 120 5| 8.5 0.0 8.5| 24.7 -1.8 22.9 22.9 0.74| 9.5 7.0 1500 168 11 132 7| 5.7 0.3 6.0| 25.5 -1.8 23.7 15.8 0.72| 6.6 4.8 2000 168 12 136 7| 4.3 0.6 4.8| 25.5 -6.9 18.6 9.3 0.56| 5.5 3.1 2500 166 13 135 8| 3.4 0.5 3.9| 25.5 -10.1 15.4 6.1 0.44| 5.0 2.2 3000 166 12 134 8| 2.3 0.4 2.7| 25.5 -13.2 12.3 4.1 0.33| 4.7 1.6 4000 168 11 133 7| 1.6 0.3 1.9| 28.0 -14.1 13.9 3.5 0.30| 4.2 1.3 5000 170 10 128 6| 1.1 0.3 1.3| 28.2 -16.0 12.2 2.4 0.17| 4.0 0.7 6000 172 9 125 5| 0.9 0.3 1.2| 29.0 -16.0 13.0 2.2 0.20| 3.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250514.12.gif