UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050700.upa.cvt Date: 0000Z 7 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 7 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 1007 4 26.0 25.0 94 1.0 25.3 0 0 298.6 302.2 298.2 357.5 20.18 1 1000 67 25.6 24.8 95 0.8 25.0 155 4 298.8 302.4 298.2 357.4 20.08 2 984 210 27.0 24.0 84 3.0 24.8 158 9 301.5 305.1 298.5 358.9 19.43 3 925 756 23.0 22.2 95 0.8 22.5 180 15 302.8 306.2 298.2 357.7 18.51 4 924 765 23.0 22.1 95 0.9 22.3 180 15 302.9 306.3 298.2 357.6 18.42 5 850 1492 19.6 16.8 84 2.8 17.7 165 13 306.7 309.4 296.5 349.7 14.31 6 816 1844 18.2 16.6 90 1.6 17.1 147 11 308.8 311.6 297.4 353.5 14.72 7 801 2003 18.2 11.2 64 7.0 13.6 138 11 310.4 312.4 294.9 342.5 10.49 8 761 2440 14.8 12.9 88 1.9 13.6 130 11 311.3 313.7 296.5 349.3 12.39 9 745 2621 15.0 8.0 63 7.0 10.6 130 12 313.5 315.2 294.7 341.6 9.08 10 709 3039 11.8 8.0 78 3.8 9.4 130 13 314.4 316.2 295.3 344.1 9.54 11 700 3146 12.0 6.0 67 6.0 8.3 130 13 315.8 317.4 294.8 342.2 8.41 12 699 3158 12.0 5.0 62 7.0 7.8 130 13 315.9 317.4 294.4 340.6 7.85 13 610 4288 5.8 -3.2 52 9.0 1.1 145 14 321.3 322.3 293.7 337.4 4.96 14 582 4671 3.0 -0.8 76 3.8 0.9 141 13 322.4 323.6 294.9 342.5 6.21 15 541 5261 0.4 -7.6 55 8.0 -3.4 136 10 326.1 326.9 294.2 339.4 3.99 16 500 5890 -3.5 -8.3 69 4.8 -5.7 140 8 328.8 329.6 294.9 342.6 4.09 17 479 6228 -5.9 -8.9 79 3.0 -7.3 135 7 329.9 330.7 295.2 343.7 4.08 18 472 6344 -5.9 -13.9 53 8.0 -9.2 130 7 331.3 331.8 294.5 340.8 2.77 19 405 7526 -14.3 -16.9 81 2.6 -15.2 79 5 335.2 335.7 295.3 344.1 2.51 20 400 7620 -14.5 -18.2 73 3.7 -15.8 75 5 336.1 336.6 295.3 344.2 2.28 21 371 8185 -18.3 -23.3 65 5.0 -19.8 110 5 338.4 338.7 295.3 344.1 1.58 22 365 8307 -18.5 -33.5 26 15.0 -21.7 117 5 339.7 339.9 294.8 342.1 0.62 23 358 8451 -19.5 -38.5 17 19.0 -22.9 126 5 340.3 340.3 294.7 341.8 0.38 24 348 8661 -21.1 -34.1 30 13.0 -23.7 139 5 340.9 341.0 295.1 343.2 0.61 25 346 8703 -21.1 -29.1 49 8.0 -23.0 142 5 341.4 341.6 295.6 345.2 1.00 26 335 8940 -23.3 -25.0 86 1.7 -23.8 156 5 341.6 341.9 296.0 347.1 1.50 27 327 9117 -24.3 -26.9 79 2.6 -24.9 168 5 342.6 342.9 296.1 347.4 1.29 28 320 9274 -24.9 -38.9 26 14.0 -27.2 169 6 343.9 344.0 295.6 345.5 0.41 29 300 9740 -28.3 -43.3 22 15.0 -30.3 165 9 345.5 345.6 295.9 346.6 0.28 30 274 10383 -33.3 -50.3 17 17.0 -34.8 162 8 347.3 347.4 296.2 347.9 0.14 31 273 10409 -33.7 -43.7 36 10.0 -34.8 161 8 347.1 347.2 296.3 348.3 0.29 32 270 10486 -34.3 -48.3 23 14.0 -35.6 161 7 347.3 347.4 296.2 348.1 0.18 33 250 11020 -38.5 -48.5 34 10.0 -39.3 155 5 348.8 348.9 296.5 349.6 0.19 34 206 12317 -49.7 -55.7 49 6.0 -50.0 198 4 351.1 351.1 297.0 351.5 0.10 35 200 12510 -51.3 -58.3 43 7.0 -51.5 235 3 351.5 351.5 297.0 351.8 0.07 36 195 12674 -52.7 -58.7 48 6.0 -52.9 256 3 351.9 351.9 297.1 352.2 0.07 37 168 13616 -60.9 -66.9 45 6.0 -61.0 20 3 353.5 353.5 297.4 353.6 0.03 38 165 13728 -61.7 -68.7 39 7.0 -61.8 35 3 354.0 354.0 297.5 354.1 0.02 39 150 14310 -66.7 -71.7 49 5.0 -66.7 20 5 355.2 355.2 297.7 355.3 0.02 40 104 16432 -82.3 -85.8 55 3.5 -82.3 109 14 364.6 364.6 299.6 364.6 0.00 41 102 16540 -82.9 -86.7 52 3.8 -82.9 116 14 365.5 365.5 299.7 365.5 0.00 42 100 16650 -82.7 -86.7 50 4.0 -82.7 125 14 367.9 367.9 300.2 368.0 0.00 43 88 17358 -86.1 -90.9 41 4.8 -86.1 100 14 374.8 374.8 301.4 374.8 0.00 44 83 17684 -79.9 -86.9 30 7.0 -79.9 102 11 393.8 393.8 304.3 393.8 0.00 45 76 18182 -81.7 -88.7 29 7.0 -81.7 104 6 400.1 400.1 305.2 400.1 0.00 46 70 18650 -76.3 -90.3 9 14.0 -76.3 300 12 421.2 421.2 307.9 421.2 0.00 47 69 18733 -75.7 -89.7 9 14.0 -75.7 296 12 424.2 424.2 308.2 424.2 0.00 48 65 19079 -76.5 -90.5 9 14.0 -76.6 281 12 429.7 429.7 308.8 429.7 0.00 49 54 20174 -67.5 -91.5 2 24.0 -67.7 250 14 473.9 473.9 313.0 473.9 0.00 50 50 20640 -66.7 -90.7 2 24.0 -67.0 250 17 486.3 486.3 314.0 486.3 0.00 51 41 21844 -64.9 -90.9 2 26.0 -65.3 204 15 519.2 519.2 316.2 519.2 0.00 52 38 22313 -58.9 -88.9 1 30.0 -59.7 160 15 545.9 545.9 317.9 545.9 0.00 53 30 23800 -57.5 -87.5 1 30.0 -58.7 80 13 587.9 587.9 320.0 587.9 0.01 54 29 24015 -57.3 -87.3 1 30.0 -58.6 78 15 594.2 594.2 320.3 594.2 0.01 55 28 24238 -58.5 -88.5 1 30.0 -59.7 76 17 596.8 596.8 320.5 596.9 0.01 56 24 25212 -58.3 -88.3 1 30.0 -59.6 94 26 624.3 624.3 321.7 624.3 0.01 57 23 25485 -51.3 -86.3 1 35.0 -54.1 101 29 652.5 652.5 322.8 652.6 0.01 58 20 26400 -49.7 -83.7 1 34.0 -53.2 120 30 684.0 684.1 323.9 684.2 0.02 59 19 26736 -49.1 -84.1 1 35.0 -53.0 120 30 696.0 696.0 324.3 696.2 0.02 TRP 88 17358 -86.1 -90.9 41 4.8 -86.1 100 14 374.8 374.8 301.4 374.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 536.79 mb = 5325.52 m = 17471.97 ft Wetbulb zero: 573.50 mb = 4789.71 m = 15714.07 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 72.37 % Est. max temperature: 33.77 C = 92.79 F Sfc-Lift cond lev (LCL): 992.96 mb = 129.67 m = 425.41 ft T: 26.21 C 700-500 lapse rate: 5.65 C/km ThetaE index: 10.93 C Layer 801.0- 761.0 mb Conv cond level (CCL): 909.26 mb = 905.45 m = 2970.61 ft Mean mixing ratio: 18.98 g/kg Conv temperature: 31.10 C = 87.98 F Cap Strength: 0.78 C Lifted Index: -3.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.06 C Lifted Index @700 mb: -0.68 C Showalter Index: -0.41 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.30 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 235.60 Risk: None Energy Index: -1.41 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1550.70 J/kg Max Up Vert Vel: 55.69 m/s Conv Inhibition (B-): 16.86 J/kg Cap Strength: 0.78 C Lift Cond Lev (LCL): 933.47 mb = 675.55 m = 2216.33 ft Lev Free Conv (LFC): 778.47 mb = 2246.46 m = 7370.18 ft Equ Level (EL): 128.47 mb = 15207.81 m = 49893.78 ft B at Equ Level: 1533.04 J/kg Max Parcel Lev (MPL): 68.47 mb = 18778.18 m = 61607.46 ft Wind level data Storm motion: 177 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 1007 4 0 0 -0.0 -0.0 | 357 9 0.4 -9.0 1 1000 67 155 4 -1.7 3.6 | 13 6 -1.3 -5.4 2 973 305 160 12 -4.1 11.3 | 122 4 -3.7 2.3 3 940 610 180 14 0.0 14.0 | 185 5 0.4 5.0 4 925 756 180 15 0.0 15.0 | 184 6 0.4 6.0 5 908 914 180 14 0.0 14.0 | 185 5 0.4 5.0 6 850 1492 165 13 -3.4 12.6 | 140 5 -2.9 3.6 7 847 1524 165 13 -3.4 12.6 | 140 5 -2.9 3.6 8 788 2134 130 10 -7.7 6.4 | 70 8 -7.2 -2.6 9 708 3048 130 13 -10.0 8.4 | 86 10 -9.5 -0.6 10 700 3146 130 13 -10.0 8.4 | 86 10 -9.5 -0.6 11 657 3658 145 15 -8.6 12.3 | 112 9 -8.2 3.3 12 588 4572 145 14 -8.0 11.5 | 108 8 -7.6 2.5 13 566 4877 130 11 -8.4 7.1 | 76 8 -8.0 -1.9 14 525 5486 140 9 -5.8 6.9 | 69 6 -5.4 -2.1 15 500 5890 140 8 -5.1 6.1 | 59 6 -4.7 -2.9 16 487 6096 140 7 -4.5 5.4 | 48 5 -4.1 -3.6 17 400 7620 75 5 -4.8 -1.3 | 23 11 -4.4 -10.3 18 400 7620 75 5 -4.8 -1.3 | 23 11 -4.4 -10.3 19 325 9144 170 5 -0.9 4.9 | 6 4 -0.4 -4.1 20 300 9740 165 9 -2.3 8.7 | 81 2 -1.9 -0.3 21 263 10668 160 7 -2.4 6.6 | 39 3 -2.0 -2.4 22 250 11020 155 5 -2.1 4.5 | 21 5 -1.7 -4.5 23 210 12192 175 4 -0.3 4.0 | 359 5 0.1 -5.0 24 200 12510 235 3 2.5 1.7 | 338 8 2.9 -7.3 25 165 13716 35 3 -1.7 -2.5 | 6 12 -1.3 -11.5 26 150 14310 20 5 -1.7 -4.7 | 5 14 -1.3 -13.7 27 128 15240 90 11 -11.0 0.0 | 50 14 -10.6 -9.0 28 103 16459 110 14 -13.2 4.8 | 72 13 -12.7 -4.2 29 100 16650 125 14 -11.5 8.0 | 85 11 -11.0 -1.0 30 88 17358 100 14 -13.8 2.4 | 64 15 -13.4 -6.6 31 75 18288 105 5 -4.8 1.3 | 30 9 -4.4 -7.7 32 70 18650 300 12 10.4 -6.0 | 324 18 10.8 -15.0 33 58 19812 250 11 10.3 3.8 | 296 12 10.8 -5.2 34 50 20640 250 17 16.0 5.8 | 281 17 16.4 -3.2 35 45 21336 255 16 15.5 4.1 | 287 17 15.9 -4.9 36 35 22860 110 14 -13.2 4.8 | 72 13 -12.7 -4.2 37 30 23800 80 13 -12.8 -2.3 | 48 17 -12.4 -11.3 38 27 24384 75 18 -17.4 -4.7 | 51 22 -17.0 -13.7 39 22 25908 110 33 -31.0 11.3 | 94 31 -30.6 2.3 40 20 26400 120 30 -26.0 15.0 | 103 26 -25.6 6.0 41 18 26822 120 29 -25.1 14.5 | 103 25 -24.7 5.5 Wind Parameters Mean winds (0-6000m): 147.3 at 12.0 knts Storm direction: 177.3 at 9.0 knts Shear (0-3000m) pos: 2.4 neg: 1.9 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 88.2 deg Storm rel helicity (0-3000m) pos: 20.1 neg: -14.6 tot: 5.5 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 1.0 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 701.72 Bulk Shear: 2.21 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 ------------------------------------------------------------------------------- 500 163 9 83 2| 13.7 0.0 13.7| 13.4 0.0 13.4 26.9 0.81| 16.0 12.9 1000 173 12 159 3| 7.1 0.0 7.1| 15.5 -0.7 14.8 14.8 0.71| 9.9 7.0 1500 172 12 159 3| 4.7 1.1 5.8| 15.5 -4.5 11.0 7.4 0.48| 7.7 3.6 2000 168 12 143 4| 3.6 2.3 5.9| 15.5 -12.6 2.9 1.4 0.17| 7.3 1.3 2500 162 12 124 4| 2.8 2.1 5.0| 17.2 -14.6 2.6 1.0 0.15| 6.4 1.0 3000 156 12 113 5| 2.4 1.9 4.2| 20.1 -14.6 5.5 1.8 0.18| 5.6 1.0 4000 151 12 109 6| 2.3 1.4 3.7| 30.2 -15.0 15.2 3.8 0.27| 4.8 1.3 5000 149 13 107 6| 1.8 1.4 3.2| 30.2 -25.5 4.7 0.9 0.12| 4.4 0.5 6000 147 12 100 6| 1.5 1.2 2.7| 30.2 -29.1 1.1 0.2 0.06| 4.0 0.2 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250507.00.gif