UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 16 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 115 SFC 978 314 24.4 20.6 79 3.8 21.7 0 0 299.4 302.3 295.7 345.6 15.81 2 925 797 21.4 18.2 82 3.2 19.2 175 7 301.2 303.8 295.1 343.4 14.36 3 850 1528 17.4 15.0 86 2.4 15.8 175 16 304.4 306.7 294.8 342.3 12.72 4 796 2087 14.8 14.8 100 0.0 14.8 175 17 307.4 309.9 296.1 347.8 13.42 5 759 2490 13.0 12.0 94 1.0 12.3 175 15 309.6 311.8 295.6 345.3 11.69 6 705 3107 8.4 7.0 91 1.4 7.5 175 11 311.2 312.8 294.0 338.7 8.96 7 700 3166 8.4 6.9 90 1.5 7.5 175 11 311.8 313.5 294.1 339.4 8.96 8 534 5361 -2.1 -4.0 87 1.9 -3.1 157 11 324.3 325.4 294.8 341.8 5.34 9 520 5571 -3.9 -4.5 96 0.6 -4.2 158 10 324.6 325.7 294.8 342.0 5.28 10 500 5880 -5.9 -8.1 84 2.2 -6.9 160 8 325.8 326.7 294.3 339.7 4.16 11 490 6039 -7.1 -8.9 87 1.8 -7.9 135 9 326.3 327.1 294.2 339.6 3.98 12 480 6201 -6.5 -9.5 79 3.0 -7.8 123 10 328.9 329.7 294.8 342.0 3.88 13 400 7610 -14.7 -17.0 83 2.3 -15.5 95 8 335.9 336.4 295.4 344.8 2.52 14 395 7705 -15.3 -17.4 84 2.1 -16.0 111 9 336.3 336.8 295.5 345.1 2.47 15 361 8376 -19.5 -25.5 59 6.0 -21.1 115 9 339.5 339.7 295.4 344.4 1.33 16 332 8990 -24.1 -27.2 75 3.1 -24.8 119 9 341.4 341.6 295.7 346.0 1.24 17 327 9100 -23.9 -28.7 65 4.8 -25.0 120 9 343.1 343.4 296.0 347.3 1.09 18 300 9720 -29.3 -35.3 56 6.0 -30.3 120 8 344.1 344.2 295.8 346.5 0.63 19 258 10783 -37.9 -44.9 48 7.0 -38.5 117 8 346.6 346.6 296.1 347.7 0.27 20 250 11000 -39.9 -44.9 59 5.0 -40.4 110 9 346.7 346.8 296.1 347.9 0.28 21 210 12164 -50.3 -54.0 65 3.7 -50.5 61 8 348.2 348.2 296.4 348.7 0.12 22 200 12480 -53.1 -57.3 60 4.2 -53.2 55 11 348.7 348.7 296.4 349.0 0.08 23 172 13435 -61.7 -66.4 53 4.7 -61.8 47 16 349.8 349.8 296.6 349.9 0.03 24 150 14270 -68.3 -73.3 49 5.0 -68.4 65 17 352.4 352.4 297.2 352.5 0.01 25 141 14638 -71.1 -77.1 41 6.0 -71.1 74 16 353.8 353.8 297.4 353.9 0.01 26 126 15296 -75.5 -80.2 48 4.7 -75.5 91 15 357.4 357.4 298.2 357.5 0.01 27 100 16620 -79.5 -84.5 43 5.0 -79.5 110 18 374.1 374.1 301.3 374.1 0.00 28 90 17217 -81.3 -85.7 47 4.4 -81.3 175 9 382.0 382.0 302.6 382.0 0.00 29 81 17811 -81.1 -85.3 49 4.2 -81.1 133 15 394.1 394.1 304.4 394.1 0.00 30 81 17811 -81.1 -85.3 49 4.2 -81.1 133 15 394.1 394.1 304.4 394.1 0.00 31 74 18328 -75.9 -82.9 32 7.0 -75.9 101 21 415.4 415.4 307.2 415.4 0.01 32 70 18650 -75.3 -83.3 28 8.0 -75.3 110 29 423.3 423.3 308.1 423.3 0.01 33 65 19081 -73.9 -83.9 20 10.0 -74.0 123 23 435.4 435.4 309.4 435.4 0.01 34 62 19362 -67.9 -80.9 14 13.0 -68.1 132 19 454.6 454.6 311.3 454.7 0.01 35 53 20306 -67.7 -81.7 12 14.0 -67.9 110 20 476.0 476.0 313.1 476.0 0.01 36 50 20660 -63.9 -78.9 11 15.0 -64.2 85 25 492.9 492.9 314.4 493.0 0.02 37 47 21043 -60.1 -77.1 9 17.0 -60.7 85 25 510.8 510.8 315.7 511.0 0.02 38 38 22370 -59.7 -76.7 9 17.0 -60.4 543.8 543.9 317.8 544.0 0.03 TRP 90 17217 -81.3 -85.7 47 4.4 -81.3 175 9 382.0 382.0 302.6 382.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 567.20 mb = 4921.82 m = 16147.49 ft Wetbulb zero: 582.57 mb = 4654.97 m = 15272.02 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 88.93 % Est. max temperature: 30.48 C = 86.87 F Sfc-Lift cond lev (LCL): 925.37 mb = 793.56 m = 2603.51 ft T: 21.42 C 700-500 lapse rate: 5.27 C/km ThetaE index: 9.13 C Layer 759.0- 700.0 mb Conv cond level (CCL): 836.08 mb = 1668.77 m = 5474.89 ft Mean mixing ratio: 14.49 g/kg Conv temperature: 30.04 C = 86.08 F Cap Strength: 1.61 C Lifted Index: -0.65 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.50 C Lifted Index @700 mb: -0.47 C Showalter Index: -0.06 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.90 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 220.00 Risk: None Energy Index: -0.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.87 J/kg Max Up Vert Vel: 9.99 m/s Conv Inhibition (B-): 68.23 J/kg Cap Strength: 1.61 C Lift Cond Lev (LCL): 884.33 mb = 1185.72 m = 3890.11 ft Lev Free Conv (LFC): 719.33 mb = 2938.78 m = 9641.56 ft Equ Level (EL): 549.33 mb = 5131.30 m = 16834.76 ft B at Equ Level: 37.19 J/kg Max Parcel Lev (MPL): 399.33 mb = 7622.64 m = 25008.35 ft Wind level data Storm motion: 196 at 8 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 | 16 8 -2.3 -8.1 1 945 610 195 8 2.1 7.7 | 36 0 -0.3 -0.4 2 925 797 175 7 -0.6 7.0 | 69 3 -3.0 -1.1 3 913 914 175 13 -1.1 13.0 | 144 6 -3.5 4.9 4 881 1219 175 16 -1.4 15.9 | 155 9 -3.7 7.8 5 850 1528 175 16 -1.4 15.9 | 155 9 -3.7 7.8 6 820 1829 175 19 -1.7 18.9 | 160 12 -4.0 10.8 7 791 2134 175 16 -1.4 15.9 | 155 9 -3.7 7.8 8 763 2438 175 15 -1.3 14.9 | 152 8 -3.6 6.8 9 736 2743 175 12 -1.0 12.0 | 139 5 -3.4 3.9 10 700 3166 175 11 -1.0 11.0 | 131 4 -3.3 2.9 11 659 3658 165 7 -1.8 6.8 | 72 4 -4.2 -1.3 12 611 4267 145 7 -4.0 5.7 | 70 7 -6.4 -2.4 13 566 4877 155 14 -5.9 12.7 | 119 9 -8.3 4.6 14 500 5880 160 8 -2.7 7.5 | 84 5 -5.1 -0.6 15 486 6096 125 10 -8.2 5.7 | 77 11 -10.5 -2.4 16 400 7610 95 8 -8.0 0.7 | 54 13 -10.3 -7.4 17 399 7620 110 9 -8.5 3.1 | 65 12 -10.8 -5.0 18 325 9144 120 9 -7.8 4.5 | 70 11 -10.1 -3.6 19 300 9720 120 8 -6.9 4.0 | 66 10 -9.3 -4.1 20 262 10668 120 8 -6.9 4.0 | 66 10 -9.3 -4.1 21 250 11000 110 9 -8.5 3.1 | 65 12 -10.8 -5.0 22 209 12192 60 8 -6.9 -4.0 | 37 15 -9.3 -12.1 23 200 12480 55 11 -9.0 -6.3 | 38 18 -11.4 -14.4 24 164 13716 45 17 -12.0 -12.0 | 36 25 -14.4 -20.1 25 150 14270 65 17 -15.4 -7.2 | 49 23 -17.7 -15.3 26 127 15240 90 15 -15.0 0.0 | 65 19 -17.3 -8.1 27 103 16459 110 22 -20.7 7.5 | 89 23 -23.0 -0.6 28 100 16620 110 18 -16.9 6.2 | 84 19 -19.3 -1.9 29 90 17217 175 9 -0.8 9.0 | 106 3 -3.1 0.9 30 75 18288 100 20 -19.7 3.5 | 78 23 -22.0 -4.6 31 70 18650 110 29 -27.3 9.9 | 94 30 -29.6 1.8 32 58 19812 145 13 -7.5 10.6 | 105 10 -9.8 2.6 33 50 20660 85 25 -24.9 -2.2 | 69 29 -27.2 -10.3 34 43 21336 85 24 -23.9 -2.1 | 69 28 -26.3 -10.2 Wind Parameters Mean winds (0-6000m): 166.1 at 11.2 knts Storm direction: 196.1 at 8.4 knts Shear (0-3000m) pos: 1.3 neg: 0.3 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 10.2 neg: -20.5 tot: -10.3 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.66 Bulk Shear: 5.76 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 ------------------------------------------------------------------------------- 500 189 5 28 3| 8.1 0.0 8.1| 1.3 -12.7 -11.4 -22.8 -0.03| 18.0 -0.5 1000 179 10 122 3| 4.0 4.2 8.2| 7.9 -12.7 -4.9 -4.9 0.21| 13.4 2.8 1500 177 12 143 5| 2.7 3.8 6.5| 10.2 -12.7 -2.6 -1.7 0.22| 9.9 2.2 2000 176 13 149 6| 2.0 1.9 4.0| 10.2 -15.5 -5.3 -2.7 0.16| 8.3 1.3 2500 176 13 148 6| 1.6 0.8 2.4| 10.2 -18.4 -8.2 -3.3 0.10| 7.4 0.7 3000 176 13 146 6| 1.3 0.3 1.7| 10.2 -20.5 -10.3 -3.4 0.04| 6.5 0.3 4000 173 12 133 5| 1.0 0.5 1.5| 11.0 -24.0 -13.0 -3.2 -0.02| 5.6 -0.1 5000 169 12 126 6| 1.2 0.4 1.6| 23.4 -26.7 -3.3 -0.7 0.07| 5.4 0.4 6000 166 11 119 6| 0.8 0.9 1.7| 23.4 -35.5 -12.0 -2.0 -0.01| 5.3 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251016.00.gif