UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051212.upa.cvt Date: 1200Z 12 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 12 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 27.0 26.7 98 0.3 26.8 0 0 299.6 303.7 299.8 365.5 22.42 1 1000 54 26.2 24.4 90 1.8 24.9 115 2 299.4 302.9 298.0 356.7 19.59 2 987 170 26.0 22.7 82 3.3 23.6 126 4 300.3 303.5 297.2 352.7 17.87 3 925 740 22.2 21.1 93 1.1 21.4 185 10 302.0 305.2 297.3 353.0 17.28 4 850 1475 18.6 16.6 88 2.0 17.2 220 10 305.6 308.3 296.2 347.9 14.12 5 838 1597 17.8 17.2 96 0.6 17.4 221 10 306.0 308.8 296.8 350.7 14.90 6 700 3123 10.4 7.6 83 2.8 8.6 185 12 314.0 315.8 295.1 343.2 9.40 7 639 3880 6.8 3.2 78 3.6 4.7 198 14 318.2 319.7 294.8 342.2 7.56 8 638 3893 6.6 3.1 78 3.5 4.5 199 14 318.1 319.6 294.8 342.0 7.52 9 576 4727 1.0 0.9 99 0.1 1.0 210 14 321.0 322.4 295.3 343.9 7.11 10 500 5860 -3.5 -4.7 91 1.2 -4.1 230 12 328.8 329.9 295.9 346.8 5.41 11 493 5971 -4.5 -5.0 96 0.5 -4.8 230 12 328.9 329.9 295.9 346.8 5.36 12 429 7054 -10.1 -13.6 75 3.5 -11.5 233 12 335.1 335.7 295.7 346.0 3.12 13 400 7590 -12.9 -14.6 87 1.7 -13.6 235 12 338.2 338.9 296.4 349.1 3.08 14 379 8000 -15.5 -16.9 89 1.4 -16.0 230 12 340.0 340.6 296.5 349.6 2.69 15 354 8513 -18.5 -20.6 83 2.1 -19.2 223 11 342.7 343.1 296.7 350.4 2.10 16 307 9563 -25.5 -29.7 68 4.2 -26.5 247 5 347.1 347.4 296.9 351.2 1.06 17 300 9730 -26.7 -30.1 73 3.4 -27.5 260 3 347.8 348.0 297.0 351.8 1.05 18 250 11010 -37.3 -40.8 70 3.5 -37.7 25 4 350.6 350.7 297.1 352.4 0.43 19 225 11728 -43.3 -46.5 71 3.2 -43.6 13 5 352.1 352.2 297.3 353.2 0.26 20 219 11910 -44.5 -50.5 51 6.0 -44.9 10 5 353.0 353.1 297.4 353.7 0.17 21 213 12095 -46.3 -49.6 69 3.3 -46.5 7 5 353.0 353.1 297.4 353.9 0.19 22 204 12380 -48.7 -53.2 59 4.5 -48.9 11 6 353.6 353.7 297.5 354.2 0.13 23 200 12510 -49.9 -54.9 56 5.0 -50.1 15 6 353.8 353.8 297.5 354.2 0.11 24 199 12543 -49.9 -55.9 49 6.0 -50.1 15 6 354.3 354.3 297.6 354.7 0.10 25 187 12947 -53.5 -57.0 65 3.5 -53.6 17 8 354.8 354.8 297.7 355.2 0.09 26 180 13192 -55.7 -61.7 47 6.0 -55.8 18 9 355.1 355.1 297.8 355.3 0.05 27 162 13856 -61.3 -64.2 68 2.9 -61.3 21 14 356.5 356.5 298.1 356.7 0.04 28 158 14011 -62.5 -68.5 44 6.0 -62.6 22 16 357.1 357.1 298.1 357.2 0.02 29 150 14330 -65.3 -69.7 54 4.4 -65.4 25 21 357.6 357.6 298.2 357.7 0.02 30 128 15274 -74.1 -79.0 47 4.9 -74.1 36 25 358.3 358.3 298.4 358.4 0.01 31 119 15696 -76.7 -80.9 51 4.2 -76.7 56 21 361.1 361.1 298.9 361.1 0.00 32 102 16569 -82.3 -87.3 42 5.0 -82.3 95 17 366.6 366.6 299.9 366.6 0.00 33 100 16680 -82.3 -87.3 42 5.0 -82.3 90 18 368.7 368.7 300.4 368.7 0.00 34 92 17144 -83.1 -87.9 43 4.8 -83.1 90 22 376.0 376.0 301.6 376.0 0.00 35 80 17923 -81.5 -88.5 29 7.0 -81.5 90 28 394.7 394.7 304.5 394.7 0.00 36 73 18445 -74.7 -87.7 12 13.0 -74.7 51 21 419.5 419.5 307.7 419.5 0.00 37 70 18690 -72.9 -88.9 7 16.0 -73.0 355 6 428.4 428.4 308.7 428.4 0.00 38 64 19218 -72.3 -89.3 6 17.0 -72.4 76 6 440.9 440.9 310.0 440.9 0.00 39 60 19597 -73.5 -90.5 6 17.0 -73.6 134 6 446.4 446.4 310.5 446.4 0.00 40 54 20224 -67.7 -89.7 3 22.0 -67.9 153 8 473.4 473.4 312.9 473.4 0.00 41 50 20690 -65.9 -89.9 2 24.0 -66.2 140 10 488.2 488.2 314.1 488.2 0.00 42 39 22204 -64.7 -90.7 2 26.0 -65.1 128 8 527.2 527.2 316.8 527.2 0.00 43 36 22699 -60.1 -88.1 1 28.0 -60.9 122 8 551.3 551.3 318.2 551.3 0.00 44 34 23054 -61.9 -88.9 2 27.0 -62.6 106 11 555.6 555.6 318.4 555.7 0.00 45 32 23433 -57.9 -87.9 1 30.0 -59.0 81 17 576.1 576.1 319.5 576.1 0.01 46 30 23840 -58.5 -88.5 1 30.0 -59.6 55 23 585.2 585.2 319.9 585.2 0.01 47 29 24053 -58.1 -88.1 1 30.0 -59.3 56 23 592.0 592.0 320.2 592.0 0.01 TRP 102 16569 -82.3 -87.3 42 5.0 -82.3 95 17 366.6 366.6 299.9 366.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 559.11 mb = 4978.92 m = 16334.86 ft Wetbulb zero: 561.73 mb = 4928.05 m = 16167.94 ft Precipitable water: 2.60 inches Sfc-500 mean rel hum: 89.38 % Est. max temperature: 32.70 C = 90.86 F Sfc-Lift cond lev (LCL): 1002.19 mb = 35.75 m = 117.29 ft T: 26.49 C 700-500 lapse rate: 5.08 C/km ThetaE index: 12.83 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 903.32 mb = 946.15 m = 3104.14 ft Mean mixing ratio: 17.77 g/kg Conv temperature: 30.39 C = 86.71 F Cap Strength: 0.75 C Lifted Index: -1.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.18 C Lifted Index @700 mb: -1.13 C Showalter Index: 0.20 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.10 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 231.20 Risk: None Energy Index: -0.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 446.56 J/kg Max Up Vert Vel: 29.89 m/s Conv Inhibition (B-): 9.22 J/kg Cap Strength: 0.75 C Lift Cond Lev (LCL): 928.51 mb = 706.68 m = 2318.47 ft Lev Free Conv (LFC): 843.51 mb = 1540.92 m = 5055.44 ft Equ Level (EL): 223.51 mb = 11772.78 m = 38624.13 ft B at Equ Level: 443.36 J/kg Max Parcel Lev (MPL): 113.51 mb = 15963.34 m = 52372.54 ft Wind level data Storm motion: 234 at 9 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 0 0 -0.0 -0.0 | 54 9 -6.9 -5.0 1 1000 54 115 2 -1.8 0.8 | 64 10 -8.8 -4.2 2 972 305 140 6 -3.9 4.6 | 88 11 -10.8 -0.4 3 939 610 175 10 -0.9 10.0 | 122 9 -7.8 4.9 4 925 740 185 10 0.9 10.0 | 129 8 -6.1 4.9 5 907 914 195 10 2.6 9.7 | 137 6 -4.3 4.6 6 850 1475 220 10 6.4 7.7 | 169 3 -0.5 2.6 7 845 1524 220 10 6.4 7.7 | 169 3 -0.5 2.6 8 787 2134 225 10 7.1 7.1 | 184 2 0.1 2.0 9 706 3048 190 11 1.9 10.8 | 139 8 -5.0 5.8 10 700 3123 185 12 1.0 12.0 | 140 9 -5.9 6.9 11 655 3658 195 14 3.6 13.5 | 159 9 -3.3 8.5 12 586 4572 210 13 6.5 11.3 | 176 6 -0.4 6.2 13 564 4877 210 15 7.5 13.0 | 184 8 0.6 8.0 14 523 5486 205 14 5.9 12.7 | 172 8 -1.0 7.7 15 500 5860 230 12 9.2 7.7 | 220 4 2.3 2.7 16 485 6096 230 12 9.2 7.7 | 220 4 2.3 2.7 17 400 7590 235 12 9.8 6.9 | 237 3 2.9 1.8 18 398 7620 235 13 10.6 7.5 | 237 4 3.7 2.4 19 325 9144 215 10 5.7 8.2 | 159 3 -1.2 3.2 20 300 9730 260 3 3.0 0.5 | 41 6 -4.0 -4.5 21 262 10668 95 1 -1.0 0.1 | 58 9 -7.9 -4.9 22 250 11010 25 4 -1.7 -3.6 | 45 12 -8.6 -8.7 23 210 12192 5 5 -0.4 -5.0 | 36 12 -7.4 -10.0 24 200 12510 15 6 -1.6 -5.8 | 38 14 -8.5 -10.8 25 165 13716 20 12 -4.1 -11.3 | 34 20 -11.0 -16.3 26 150 14330 25 21 -8.9 -19.0 | 33 29 -15.8 -24.1 27 128 15240 35 25 -14.3 -20.5 | 40 33 -21.3 -25.5 28 104 16459 95 15 -14.9 1.3 | 80 22 -21.9 -3.7 29 102 16569 95 17 -16.9 1.5 | 82 24 -23.9 -3.6 30 100 16680 90 18 -18.0 0.0 | 79 25 -24.9 -5.0 31 75 18288 90 31 -31.0 0.0 | 82 38 -37.9 -5.0 32 70 18690 355 6 0.5 -6.0 | 30 13 -6.4 -11.0 33 58 19812 165 6 -1.6 5.8 | 95 9 -8.5 0.8 34 50 20690 140 10 -6.4 7.7 | 101 14 -13.4 2.6 35 45 21336 140 9 -5.8 6.9 | 98 13 -12.7 1.9 36 35 22860 120 8 -6.9 4.0 | 86 14 -13.9 -1.0 37 30 23840 55 23 -18.8 -13.2 | 55 32 -25.8 -18.2 38 26 24384 60 23 -19.9 -11.5 | 58 32 -26.9 -16.5 Wind Parameters Mean winds (0-6000m): 204.0 at 11.4 knts Storm direction: 234.0 at 8.6 knts Shear (0-3000m) pos: 1.7 neg: 1.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 86.3 deg Storm rel helicity (0-3000m) pos: 38.8 neg: -3.7 tot: 35.1 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 34.75 Bulk Shear: 12.85 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 ------------------------------------------------------------------------------- 500 145 5 84 10| 8.9 0.0 8.9| 25.9 0.0 25.9 51.7 0.94| 10.6 10.0 1000 172 7 106 8| 5.1 0.0 5.1| 36.2 0.0 36.2 36.2 0.85| 8.7 7.3 1500 188 8 119 7| 3.4 0.0 3.4| 38.4 0.0 38.4 25.6 0.79| 7.0 5.6 2000 199 9 128 5| 2.6 0.0 2.6| 38.7 0.0 38.7 19.3 0.79| 5.5 4.3 2500 204 9 134 5| 2.1 0.5 2.5| 38.8 -1.1 37.7 15.1 0.65| 4.9 3.2 3000 203 9 137 5| 1.7 1.0 2.7| 38.8 -3.7 35.1 11.7 0.50| 4.7 2.4 4000 199 10 143 6| 1.7 0.8 2.5| 48.0 -3.9 44.0 11.0 0.53| 4.3 2.3 5000 202 11 151 6| 1.6 0.6 2.2| 52.3 -4.5 47.9 9.6 0.52| 3.9 2.0 6000 204 11 157 6| 1.3 0.6 1.9| 57.9 -6.7 51.3 8.5 0.51| 3.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250512.12.gif