UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051500.upa.cvt Date: 0000Z 15 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 15 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 1009 4 26.0 25.0 94 1.0 25.3 0 0 298.4 302.0 298.1 357.1 20.14 1 1000 84 24.8 24.6 99 0.2 24.7 90 2 298.0 301.5 297.8 355.7 19.84 2 999 93 24.6 24.4 99 0.2 24.5 92 2 297.8 301.4 297.7 354.9 19.61 3 985 218 26.8 22.9 79 3.9 23.9 114 4 301.2 304.6 297.6 354.6 18.13 4 961 436 26.0 21.6 77 4.4 22.8 143 7 302.6 305.7 297.3 353.3 17.14 5 925 773 23.8 20.3 81 3.5 21.3 160 10 303.6 306.7 297.1 352.4 16.42 6 850 1509 19.6 16.9 84 2.7 17.7 150 9 306.7 309.4 296.6 350.0 14.40 7 802 2008 16.6 11.7 73 4.9 13.4 150 11 308.6 310.7 294.7 341.5 10.84 8 792 2116 15.6 14.4 93 1.2 14.8 150 11 308.7 311.1 296.3 348.5 13.14 9 754 2533 14.0 9.5 74 4.5 11.2 150 13 311.3 313.2 294.8 341.8 9.94 10 722 2899 11.6 9.7 88 1.9 10.4 150 14 312.6 314.6 295.5 345.0 10.53 11 700 3158 10.6 5.6 71 5.0 7.6 155 15 314.2 315.8 294.3 339.7 8.18 12 687 3314 10.4 3.4 62 7.0 6.3 157 14 315.7 317.1 293.9 338.1 7.13 13 673 3486 9.0 5.3 78 3.7 6.8 158 13 316.0 317.6 294.8 342.2 8.33 14 630 4031 6.6 -0.4 61 7.0 2.8 164 12 319.3 320.4 293.9 338.2 5.91 15 576 4761 1.4 -0.1 90 1.5 0.5 164 11 321.5 322.8 295.0 342.8 6.61 16 553 5089 -0.3 -4.4 74 4.1 -2.4 155 11 323.2 324.2 294.2 339.6 5.00 17 536 5339 -1.9 -2.1 99 0.2 -2.0 149 11 324.2 325.4 295.3 344.2 6.13 18 502 5859 -4.7 -6.1 90 1.4 -5.4 159 12 326.9 327.9 295.0 343.0 4.84 19 500 5890 -4.7 -6.8 85 2.1 -5.7 160 12 327.3 328.2 295.0 342.7 4.60 20 474 6310 -6.7 -10.0 77 3.3 -8.2 150 12 329.9 330.6 295.0 342.7 3.78 21 456 6611 -8.7 -8.7 100 0.0 -8.7 143 12 331.0 331.9 295.7 345.8 4.35 22 415 7339 -11.9 -14.2 83 2.3 -12.8 127 13 336.0 336.6 295.9 346.7 3.07 23 400 7620 -13.9 -16.1 83 2.2 -14.7 120 13 336.9 337.5 295.8 346.5 2.72 24 340 8839 -21.5 -25.8 68 4.3 -22.7 53 6 342.6 342.9 296.1 347.7 1.37 25 313 9444 -26.3 -28.6 81 2.3 -26.8 28 7 344.1 344.4 296.3 348.5 1.15 26 300 9750 -28.3 -31.7 73 3.4 -29.0 20 10 345.5 345.7 296.4 348.9 0.90 27 286 10090 -30.9 -35.6 63 4.7 -31.7 15 11 346.5 346.7 296.4 349.0 0.64 28 267 10574 -34.3 -37.3 74 3.0 -34.7 7 13 348.5 348.6 296.8 350.7 0.58 29 250 11030 -38.1 -40.3 80 2.2 -38.4 10 15 349.4 349.5 296.9 351.2 0.46 30 247 11113 -38.9 -41.0 80 2.1 -39.1 11 15 349.4 349.5 296.9 351.2 0.43 31 228 11655 -43.3 -49.3 52 6.0 -43.7 18 19 350.8 350.9 297.0 351.6 0.19 32 202 12455 -50.5 -51.8 86 1.3 -50.5 25 23 351.8 351.8 297.1 352.5 0.16 33 200 12520 -51.1 -53.4 76 2.3 -51.2 25 23 351.8 351.9 297.1 352.4 0.13 34 195 12684 -52.7 -56.5 63 3.8 -52.8 26 22 351.9 351.9 297.1 352.3 0.09 35 183 13090 -56.3 -59.5 67 3.2 -56.4 30 21 352.5 352.5 297.2 352.7 0.07 36 176 13336 -58.5 -61.4 69 2.9 -58.6 32 20 352.8 352.8 297.3 353.0 0.06 37 172 13480 -59.7 -68.7 30 9.0 -59.8 33 20 353.1 353.1 297.3 353.2 0.02 38 164 13776 -62.3 -66.7 55 4.4 -62.4 35 19 353.6 353.6 297.4 353.7 0.03 39 150 14320 -67.1 -73.1 42 6.0 -67.1 40 20 354.5 354.5 297.6 354.6 0.01 40 149 14360 -67.7 -72.7 49 5.0 -67.7 39 20 354.1 354.1 297.5 354.2 0.01 41 121 15589 -76.1 -81.0 46 4.9 -76.1 26 26 360.5 360.5 298.8 360.5 0.00 42 100 16680 -79.7 -85.7 36 6.0 -79.7 90 39 373.7 373.7 301.2 373.8 0.00 43 99 16737 -80.1 -86.1 36 6.0 -80.1 90 39 374.0 374.0 301.2 374.1 0.00 44 82 17802 -80.9 -87.9 30 7.0 -80.9 93 36 393.1 393.1 304.2 393.1 0.00 45 70 18700 -78.5 -88.5 18 10.0 -78.6 120 26 416.4 416.4 307.3 416.5 0.00 46 69 18782 -78.3 -88.3 18 10.0 -78.3 112 25 418.6 418.6 307.6 418.6 0.00 47 63 19297 -81.9 -89.9 24 8.0 -81.9 65 19 421.7 421.7 307.9 421.7 0.00 48 50 20660 -61.7 -89.7 1 28.0 -62.1 120 16 498.1 498.1 314.8 498.1 0.00 49 45 21308 -63.7 -89.7 2 26.0 -64.1 130 14 508.5 508.5 315.5 508.5 0.00 50 30 23840 -55.5 -87.5 1 32.0 -57.0 60 35 593.3 593.3 320.3 593.4 0.01 51 29 24057 -54.5 -86.5 1 32.0 -56.2 61 36 601.9 601.9 320.7 601.9 0.01 52 26 24754 -55.5 -86.5 1 31.0 -57.2 66 39 618.1 618.1 321.4 618.2 0.01 TRP 99 16737 -80.1 -86.1 36 6.0 -80.1 90 39 374.0 374.0 301.2 374.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 557.06 mb = 5031.31 m = 16506.72 ft Wetbulb zero: 571.70 mb = 4821.55 m = 15818.53 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 80.30 % Est. max temperature: 33.94 C = 93.09 F Sfc-Lift cond lev (LCL): 994.93 mb = 128.91 m = 422.93 ft T: 25.24 C 700-500 lapse rate: 5.60 C/km ThetaE index: 15.59 C Layer 1000.0- 792.0 mb Conv cond level (CCL): 858.50 mb = 1422.43 m = 4666.71 ft Mean mixing ratio: 17.47 g/kg Conv temperature: 33.96 C = 93.13 F Cap Strength: 2.04 C Lifted Index: -3.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.89 C Lifted Index @700 mb: -0.96 C Showalter Index: -1.73 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.60 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 232.80 Risk: None Energy Index: -1.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 745.23 J/kg Max Up Vert Vel: 38.61 m/s Conv Inhibition (B-): 59.05 J/kg Cap Strength: 2.04 C Lift Cond Lev (LCL): 913.31 mb = 883.71 m = 2899.27 ft Lev Free Conv (LFC): 798.31 mb = 2047.83 m = 6718.53 ft Equ Level (EL): 158.31 mb = 13991.18 m = 45902.28 ft B at Equ Level: 740.43 J/kg Max Parcel Lev (MPL): 98.31 mb = 16776.58 m = 55040.60 ft Wind level data Storm motion: 185 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 1009 4 0 0 -0.0 -0.0 | 5 8 -0.7 -8.0 1 1000 84 90 2 -2.0 0.0 | 19 8 -2.7 -8.0 2 975 305 130 5 -3.8 3.2 | 43 7 -4.6 -4.8 3 942 610 160 9 -3.1 8.5 | 96 4 -3.8 0.4 4 925 773 160 10 -3.4 9.4 | 108 4 -4.2 1.4 5 910 914 160 9 -3.1 8.5 | 96 4 -3.8 0.4 6 850 1509 150 9 -4.5 7.8 | 87 5 -5.2 -0.3 7 849 1524 150 9 -4.5 7.8 | 87 5 -5.2 -0.3 8 790 2134 150 11 -5.5 9.5 | 103 6 -6.2 1.5 9 709 3048 150 15 -7.5 13.0 | 121 10 -8.2 4.9 10 700 3158 155 15 -6.3 13.6 | 128 9 -7.1 5.5 11 658 3658 160 12 -4.1 11.3 | 124 6 -4.8 3.2 12 588 4572 170 11 -1.9 10.8 | 136 4 -2.6 2.8 13 566 4877 160 11 -3.8 10.3 | 117 5 -4.5 2.3 14 525 5486 145 11 -6.3 9.0 | 98 7 -7.0 1.0 15 500 5890 160 12 -4.1 11.3 | 124 6 -4.8 3.2 16 487 6096 155 12 -5.1 10.9 | 116 6 -5.8 2.8 17 400 7620 120 13 -11.3 6.5 | 83 12 -12.0 -1.5 18 400 7620 120 13 -11.3 6.5 | 83 12 -12.0 -1.5 19 326 9144 35 4 -2.3 -3.3 | 15 12 -3.0 -11.3 20 300 9750 20 10 -3.4 -9.4 | 13 18 -4.2 -17.4 21 263 10668 5 13 -1.1 -13.0 | 5 21 -1.9 -21.0 22 250 11030 10 15 -2.6 -14.8 | 8 23 -3.3 -22.8 23 210 12192 25 22 -9.3 -19.9 | 20 30 -10.0 -28.0 24 200 12520 25 23 -9.7 -20.8 | 20 31 -10.5 -28.9 25 165 13716 35 19 -10.9 -15.6 | 26 26 -11.6 -23.6 26 150 14320 40 20 -12.9 -15.3 | 30 27 -13.6 -23.4 27 128 15240 10 22 -3.8 -21.7 | 9 30 -4.6 -29.7 28 104 16459 70 36 -33.8 -12.3 | 60 40 -34.6 -20.4 29 100 16680 90 39 -39.0 0.0 | 79 41 -39.7 -8.0 30 99 16737 90 39 -39.0 0.0 | 79 41 -39.7 -8.0 31 75 18288 95 35 -34.9 3.1 | 82 36 -35.6 -5.0 32 70 18700 120 26 -22.5 13.0 | 102 24 -23.3 5.0 33 58 19812 20 14 -4.8 -13.2 | 15 22 -5.5 -21.2 34 50 20660 120 16 -13.9 8.0 | 90 15 -14.6 -0.0 35 45 21336 130 14 -10.7 9.0 | 95 12 -11.5 1.0 36 35 22860 75 15 -14.5 -3.9 | 52 19 -15.2 -11.9 37 30 23840 60 35 -30.3 -17.5 | 51 40 -31.0 -25.5 38 26 24384 65 39 -35.3 -16.5 | 56 44 -36.1 -24.5 39 23 24994 80 42 -41.4 -7.3 | 70 45 -42.1 -15.3 Wind Parameters Mean winds (0-6000m): 155.2 at 10.8 knts Storm direction: 185.2 at 8.1 knts Shear (0-3000m) pos: 1.5 neg: 1.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 115.2 deg Storm rel helicity (0-3000m) pos: 25.1 neg: -1.6 tot: 23.6 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.3 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 111.52 Bulk Shear: 6.68 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 ------------------------------------------------------------------------------- 500 132 4 37 7| 7.8 0.0 7.8| 15.3 0.0 15.3 30.5 0.88| 9.5 8.4 1000 151 7 61 4| 4.6 0.0 4.6| 18.0 -0.8 17.2 17.2 0.76| 6.7 5.1 1500 153 7 71 4| 3.1 0.5 3.5| 18.0 -1.6 16.4 11.0 0.65| 4.9 3.2 2000 152 8 78 5| 2.3 0.5 2.9| 19.9 -1.6 18.4 9.2 0.66| 4.1 2.7 2500 151 9 86 5| 1.9 0.8 2.7| 22.4 -1.6 20.9 8.4 0.67| 3.7 2.5 3000 151 10 94 5| 1.5 1.0 2.6| 25.1 -1.6 23.6 7.9 0.65| 3.5 2.3 4000 153 11 104 6| 0.9 0.8 1.6| 28.6 -2.4 26.2 6.5 0.56| 3.3 1.8 5000 156 11 108 5| 0.7 0.8 1.5| 29.3 -4.7 24.6 4.9 0.45| 3.0 1.3 6000 155 11 108 6| 0.8 0.7 1.5| 33.9 -7.7 26.2 4.4 0.40| 3.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250515.00.gif