UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 17 OCT 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 122 SFC 978 314 23.8 17.8 69 6.0 19.7 0 0 298.8 301.3 293.7 337.4 13.22 2 976 332 23.4 19.1 77 4.3 20.4 2 0 298.6 301.2 294.4 340.5 14.40 3 925 805 23.0 17.0 69 6.0 18.9 15 4 302.8 305.3 294.8 342.2 13.29 4 920 852 23.0 17.0 69 6.0 18.9 62 5 303.3 305.8 295.0 342.9 13.37 5 850 1538 18.6 13.8 74 4.8 15.4 160 10 305.6 307.8 294.5 340.9 11.75 6 780 2270 13.8 9.7 76 4.1 11.2 150 10 308.1 309.9 293.7 337.6 9.73 7 766 2423 13.0 8.5 74 4.5 10.2 150 9 308.8 310.5 293.5 336.7 9.13 8 700 3179 10.8 2.8 58 8.0 6.2 155 13 314.4 315.7 293.2 335.5 6.70 9 695 3239 10.8 0.8 50 10.0 5.3 153 13 315.1 316.2 292.7 333.6 5.84 10 647 3831 7.2 -3.8 45 11.0 1.6 140 11 317.5 318.4 292.2 331.9 4.46 11 518 5621 -4.5 -8.8 72 4.3 -6.4 135 9 324.3 325.0 293.6 336.9 3.80 12 502 5869 -4.5 -15.5 42 11.0 -8.7 135 8 327.2 327.6 293.0 335.0 2.28 13 500 5900 -4.9 -12.9 53 8.0 -8.2 135 8 327.1 327.6 293.5 336.7 2.83 14 462 6516 -8.9 -15.9 57 7.0 -11.5 128 10 329.6 330.0 293.8 337.8 2.40 15 432 7033 -11.7 -22.7 40 11.0 -15.1 131 9 332.4 332.7 293.7 337.5 1.43 16 426 7140 -11.9 -30.9 19 19.0 -16.5 132 9 333.5 333.6 293.3 336.0 0.68 17 406 7507 -13.3 -28.3 27 15.0 -17.2 134 9 336.3 336.5 294.2 339.7 0.91 18 402 7582 -14.1 -29.1 27 15.0 -17.9 135 9 336.2 336.4 294.1 339.4 0.86 19 400 7620 -14.5 -26.5 35 12.0 -17.7 135 9 336.1 336.4 294.4 340.2 1.10 20 391 7792 -15.9 -21.9 60 6.0 -17.7 134 13 336.5 336.9 295.0 342.6 1.69 21 386 7890 -16.3 -29.3 32 13.0 -19.5 134 13 337.2 337.4 294.4 340.5 0.88 22 383 7948 -16.7 -24.7 50 8.0 -19.0 134 13 337.4 337.7 294.9 342.4 1.35 23 361 8391 -19.7 -34.7 25 15.0 -22.7 133 15 339.2 339.3 294.6 341.3 0.56 24 357 8474 -20.5 -29.5 44 9.0 -22.6 132 16 339.2 339.4 295.0 342.7 0.93 25 312 9459 -27.9 -38.9 34 11.0 -29.5 127 19 342.2 342.3 295.3 343.9 0.42 26 304 9645 -29.5 -34.5 62 5.0 -30.3 126 19 342.5 342.6 295.6 345.1 0.67 27 300 9740 -30.3 -36.3 56 6.0 -31.2 125 19 342.7 342.8 295.5 344.9 0.57 28 250 11010 -39.5 -51.5 27 12.0 -40.4 90 9 347.3 347.4 296.1 347.9 0.13 29 200 12490 -52.9 -58.9 48 6.0 -53.1 175 20 349.0 349.0 296.5 349.3 0.07 30 168 13589 -62.3 -66.8 55 4.5 -62.4 166 15 351.2 351.2 296.9 351.3 0.03 31 150 14280 -67.5 -71.6 56 4.1 -67.5 150 13 353.8 353.8 297.5 353.9 0.02 32 129 15175 -74.1 -77.1 63 3.0 -74.1 187 8 357.5 357.5 298.2 357.6 0.01 33 118 15691 -77.7 -81.9 51 4.2 -77.7 143 6 360.1 360.1 298.7 360.2 0.00 34 113 15940 -76.1 -82.1 38 6.0 -76.1 117 5 367.6 367.6 300.1 367.6 0.00 35 112 15991 -76.5 -82.5 38 6.0 -76.5 111 5 367.8 367.8 300.2 367.8 0.00 36 100 16640 -79.3 -83.3 52 4.0 -79.3 85 5 374.5 374.5 301.4 374.5 0.00 37 95 16930 -80.3 -84.2 52 3.9 -80.3 105 7 378.1 378.1 301.9 378.1 0.00 38 80 17900 -80.9 -84.7 53 3.8 -80.9 98 13 395.9 395.9 304.6 395.9 0.00 39 79 17970 -81.1 -85.3 49 4.2 -81.1 97 13 396.9 396.9 304.8 396.9 0.00 40 76 18191 -76.5 -83.5 32 7.0 -76.5 96 14 410.9 410.9 306.6 411.0 0.00 41 75 18267 -75.3 -84.3 23 9.0 -75.3 95 15 415.0 415.0 307.1 415.0 0.00 42 70 18670 -72.5 -82.5 21 10.0 -72.6 105 15 429.3 429.3 308.7 429.3 0.01 43 66 19019 -69.3 -80.3 19 11.0 -69.4 111 17 443.5 443.5 310.3 443.6 0.01 44 65 19110 -69.3 -81.3 16 12.0 -69.4 113 17 445.5 445.5 310.4 445.5 0.01 45 56 20002 -68.7 -82.7 12 14.0 -68.8 115 20 466.2 466.2 312.3 466.3 0.01 46 51 20569 -64.1 -80.1 9 16.0 -64.4 86 16 489.6 489.7 314.2 489.7 0.01 47 50 20690 -63.9 -79.9 10 16.0 -64.2 80 15 492.9 492.9 314.4 493.0 0.01 48 42 21757 -64.9 -81.9 8 17.0 -65.3 86 29 515.6 515.6 316.0 515.7 0.01 49 38 22375 -60.3 -80.3 6 20.0 -61.0 88 30 542.3 542.3 317.6 542.4 0.02 50 34 23067 -61.5 -80.5 6 19.0 -62.1 92 32 556.7 556.7 318.5 556.8 0.02 51 30 23850 -57.7 -78.7 5 21.0 -58.9 100 36 587.3 587.4 320.0 587.5 0.03 52 27 24517 -56.1 -78.1 5 22.0 -57.6 96 39 609.8 609.8 321.0 610.0 0.03 53 22 25821 -55.7 -77.7 5 22.0 -57.5 647.8 647.8 322.6 648.1 0.04 TRP 95 16930 -80.3 -84.2 52 3.9 -80.3 105 7 378.1 378.1 301.9 378.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 567.62 mb = 4932.80 m = 16183.52 ft Wetbulb zero: 621.26 mb = 4157.92 m = 13641.29 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 63.55 % Est. max temperature: 31.29 C = 88.33 F Sfc-Lift cond lev (LCL): 895.72 mb = 1084.03 m = 3556.50 ft T: 21.51 C 700-500 lapse rate: 5.77 C/km ThetaE index: 11.05 C Layer 850.0- 518.0 mb Conv cond level (CCL): 793.12 mb = 2128.08 m = 6981.82 ft Mean mixing ratio: 13.40 g/kg Conv temperature: 32.51 C = 90.52 F Cap Strength: 3.06 C Lifted Index: 1.12 C Risk: Showers probable Lifted Index @300 mb: 2.70 C Lifted Index @700 mb: 2.58 C Showalter Index: 1.53 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.70 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 193.60 Risk: None Energy Index: -0.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.36 J/kg Max Up Vert Vel: 7.12 m/s Conv Inhibition (B-): 24644.31 J/kg Cap Strength: 3.06 C Lift Cond Lev (LCL): 856.26 mb = 1474.40 m = 4837.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 173 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 ---------------------------------------------------------- 0 978 314 0 0 -0.0 -0.0 | 353 7 0.9 -7.1 1 946 610 40 4 -2.6 -3.1 | 9 10 -1.6 -10.2 2 925 805 15 4 -1.0 -3.9 | 1 11 -0.1 -11.0 3 913 914 125 7 -5.7 4.0 | 57 6 -4.8 -3.1 4 882 1219 160 9 -3.1 8.5 | 122 3 -2.1 1.4 5 850 1538 160 10 -3.4 9.4 | 133 3 -2.5 2.3 6 821 1829 155 10 -4.2 9.1 | 121 4 -3.3 2.0 7 792 2134 150 10 -5.0 8.7 | 111 4 -4.1 1.6 8 764 2438 150 9 -4.5 7.8 | 101 4 -3.6 0.7 9 737 2743 155 10 -4.2 9.1 | 121 4 -3.3 2.0 10 700 3179 155 13 -5.5 11.8 | 136 7 -4.6 4.7 11 660 3658 140 11 -7.1 8.4 | 102 6 -6.1 1.3 12 612 4267 140 11 -7.1 8.4 | 102 6 -6.1 1.3 13 567 4877 135 11 -7.8 7.8 | 96 7 -6.8 0.7 14 500 5900 135 8 -5.7 5.7 | 73 5 -4.7 -1.4 15 487 6096 125 10 -8.2 5.7 | 79 7 -7.3 -1.4 16 400 7620 135 9 -6.4 6.4 | 82 5 -5.4 -0.7 17 400 7620 135 12 -8.5 8.5 | 100 8 -7.6 1.4 18 325 9144 130 19 -14.6 12.2 | 111 15 -13.6 5.1 19 300 9740 125 19 -15.6 10.9 | 105 15 -14.6 3.8 20 263 10668 90 13 -13.0 0.0 | 60 14 -12.1 -7.1 21 250 11010 90 9 -9.0 0.0 | 49 11 -8.1 -7.1 22 209 12192 180 18 0.0 18.0 | 185 11 0.9 10.9 23 200 12490 175 20 -1.7 19.9 | 176 13 -0.8 12.8 24 164 13716 165 14 -3.6 13.5 | 157 7 -2.7 6.4 25 150 14280 150 13 -6.5 11.3 | 127 7 -5.6 4.2 26 127 15240 190 7 1.2 6.9 | 275 2 2.1 -0.2 27 103 16459 60 4 -3.5 -2.0 | 16 9 -2.5 -9.1 28 100 16640 85 5 -5.0 -0.4 | 28 9 -4.0 -7.5 29 95 16930 105 7 -6.8 1.8 | 48 8 -5.8 -5.3 30 75 18288 95 15 -14.9 1.3 | 68 15 -14.0 -5.8 31 70 18670 105 15 -14.5 3.9 | 77 14 -13.6 -3.2 32 58 19812 125 21 -17.2 12.0 | 107 17 -16.3 4.9 33 50 20690 80 15 -14.8 -2.6 | 55 17 -13.8 -9.7 34 45 21336 85 28 -27.9 -2.4 | 71 29 -27.0 -9.5 35 35 22860 90 31 -31.0 0.0 | 77 31 -30.1 -7.1 36 30 23850 100 36 -35.5 6.3 | 89 35 -34.5 -0.8 37 26 24384 95 40 -39.8 3.5 | 85 39 -38.9 -3.6 Wind Parameters Mean winds (0-6000m): 142.5 at 9.5 knts Storm direction: 172.5 at 7.2 knts Shear (0-3000m) pos: 1.8 neg: 0.6 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 27.0 neg: -6.1 tot: 20.9 m^2/s^2 ave: 7.0 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.63 Bulk Shear: 15.54 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 33 3 4 9| 4.4 0.0 4.4| 6.4 -2.5 3.9 7.8 0.32| 5.6 1.8 1000 120 5 39 6| 4.8 0.0 4.8| 24.1 -2.5 21.6 21.6 0.68| 10.5 7.2 1500 144 7 63 3| 3.2 0.4 3.6| 24.4 -3.1 21.3 14.2 0.62| 7.5 4.7 2000 147 8 78 3| 2.4 0.4 2.8| 24.4 -4.3 20.0 10.0 0.53| 6.0 3.2 2500 149 8 85 3| 2.2 0.3 2.5| 25.9 -4.6 21.3 8.5 0.54| 5.2 2.8 3000 150 9 97 3| 1.8 0.6 2.4| 27.0 -6.1 20.9 7.0 0.48| 4.9 2.3 4000 147 9 101 4| 1.4 0.6 1.9| 27.0 -10.6 16.5 4.1 0.35| 4.0 1.4 5000 145 10 99 5| 1.1 0.5 1.6| 27.0 -13.3 13.8 2.8 0.28| 3.4 1.0 6000 143 10 96 5| 0.9 0.6 1.5| 28.1 -15.1 12.9 2.2 0.23| 3.2 0.7 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251017.00.gif