UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 13 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 103 SFC 976 314 25.4 17.4 61 8.0 19.9 0 0 300.6 303.0 294.0 338.5 12.91 2 960 460 23.8 16.8 65 7.0 19.1 7 2 300.4 302.7 293.7 337.5 12.63 3 925 787 23.4 17.4 69 6.0 19.2 20 7 303.2 305.8 295.2 343.7 13.64 4 910 930 23.0 16.0 65 7.0 18.2 149 2 304.2 306.6 294.8 342.0 12.67 5 850 1522 18.8 14.1 74 4.7 15.7 135 6 305.8 308.1 294.7 341.8 11.99 6 795 2094 15.2 10.7 74 4.5 12.3 127 11 307.9 309.8 294.0 338.9 10.22 7 791 2136 15.0 10.6 75 4.4 12.2 125 11 308.1 310.0 294.1 339.1 10.20 8 731 2802 12.4 5.4 62 7.0 8.2 111 11 312.3 313.8 293.4 336.3 7.72 9 700 3165 9.8 2.8 62 7.0 5.8 115 12 313.3 314.6 292.9 334.3 6.70 10 673 3490 7.4 1.4 66 6.0 4.1 109 11 314.2 315.4 292.8 334.0 6.30 11 654 3726 7.6 -0.4 57 8.0 3.2 105 10 317.0 318.1 293.1 335.1 5.69 12 500 5890 -4.5 -14.5 46 10.0 -8.5 90 13 327.6 328.0 293.3 336.1 2.49 13 418 7276 -12.9 -21.9 47 9.0 -15.7 82 10 334.0 334.3 294.2 339.7 1.58 14 400 7610 -13.9 -25.9 36 12.0 -17.3 80 9 336.9 337.2 294.6 341.2 1.16 15 384 7921 -15.7 -28.7 32 13.0 -19.0 76 9 338.5 338.7 294.8 342.0 0.93 16 300 9740 -29.7 -41.7 30 12.0 -31.3 130 7 343.5 343.6 295.5 344.8 0.33 17 264 10636 -36.7 -50.7 22 14.0 -37.8 130 8 346.1 346.1 295.9 346.6 0.14 18 250 11010 -39.7 -51.7 27 12.0 -40.5 120 12 347.0 347.1 296.1 347.6 0.13 19 200 12490 -52.3 -59.3 43 7.0 -52.5 120 4 349.9 350.0 296.7 350.2 0.06 20 150 14290 -67.7 -71.9 55 4.2 -67.7 60 9 353.5 353.5 297.4 353.5 0.02 21 144 14534 -69.9 -73.6 58 3.7 -69.9 66 10 353.8 353.8 297.4 353.8 0.01 22 122 15500 -77.5 -79.9 68 2.4 -77.5 99 14 357.1 357.1 298.1 357.1 0.01 23 114 15885 -80.1 -82.8 64 2.7 -80.1 120 13 359.2 359.2 298.5 359.3 0.00 24 109 16138 -80.5 -83.7 59 3.2 -80.5 127 12 363.1 363.1 299.3 363.1 0.00 25 106 16296 -77.7 -81.5 54 3.8 -77.7 131 12 371.4 371.4 300.8 371.4 0.00 26 102 16517 -76.9 -81.6 47 4.7 -76.9 126 10 377.0 377.0 301.8 377.0 0.01 27 100 16630 -77.5 -81.5 52 4.0 -77.5 110 8 378.0 378.0 301.9 378.0 0.01 28 92 17107 -78.5 -82.9 49 4.4 -78.5 111 10 385.1 385.1 303.1 385.2 0.00 29 83 17688 -82.5 -84.1 76 1.6 -82.5 113 12 388.5 388.5 303.6 388.5 0.00 30 81 17824 -82.7 -85.2 65 2.5 -82.7 114 12 390.8 390.8 303.9 390.8 0.00 31 77 18111 -76.5 -81.2 47 4.7 -76.5 114 13 409.4 409.4 306.5 409.4 0.01 32 77 18111 -76.5 -81.5 45 5.0 -76.5 114 13 409.4 409.4 306.5 409.4 0.01 33 70 18660 -76.9 -81.2 50 4.3 -76.9 100 17 419.9 419.9 307.7 419.9 0.01 34 65 19085 -77.7 -81.7 52 4.0 -77.7 91 19 427.1 427.1 308.5 427.2 0.01 35 64 19174 -77.7 -82.5 46 4.8 -77.7 89 20 429.0 429.0 308.7 429.0 0.01 36 51 20519 -64.3 -76.3 18 12.0 -64.6 96 27 489.2 489.2 314.2 489.3 0.02 37 51 20519 -63.7 -75.7 18 12.0 -64.0 96 27 490.6 490.6 314.2 490.7 0.03 38 50 20640 -64.5 -76.5 18 12.0 -64.8 100 28 491.5 491.5 314.4 491.6 0.02 39 45 21285 -64.9 -76.9 18 12.0 -65.2 100 29 505.6 505.6 315.4 505.7 0.02 40 41 21861 -59.9 -73.9 14 14.0 -60.5 104 30 531.7 531.7 317.1 531.9 0.04 41 30 23830 -56.7 -72.7 12 16.0 -57.9 105 36 590.1 590.1 320.2 590.6 0.07 42 27 24498 -56.5 -72.5 12 16.0 -57.8 608.7 608.7 321.0 609.3 0.08 TRP 114 15885 -80.1 -82.8 64 2.7 -80.1 120 13 359.2 359.2 298.5 359.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 557.27 mb = 5085.24 m = 16683.65 ft Wetbulb zero: 611.39 mb = 4269.06 m = 14005.93 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 61.01 % Est. max temperature: 31.45 C = 88.62 F Sfc-Lift cond lev (LCL): 868.27 mb = 1337.47 m = 4387.96 ft T: 20.11 C 700-500 lapse rate: 5.25 C/km ThetaE index: 5.08 C Layer 731.0- 654.0 mb Conv cond level (CCL): 749.52 mb = 2591.27 m = 8501.44 ft Mean mixing ratio: 12.85 g/kg Conv temperature: 35.69 C = 96.24 F Cap Strength: 3.13 C Lifted Index: 1.87 C Risk: Showers probable Lifted Index @300 mb: 3.77 C Lifted Index @700 mb: 1.81 C Showalter Index: 1.57 C Risk: Showers probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.60 C K Index: 30.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 194.20 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.13 J/kg Max Up Vert Vel: 6.80 m/s Conv Inhibition (B-): 22106.58 J/kg Cap Strength: 3.13 C Lift Cond Lev (LCL): 839.47 mb = 1628.46 m = 5342.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 136 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 ---------------------------------------------------------- 0 976 314 0 0 -0.0 -0.0 | 316 7 5.2 -5.3 1 944 610 15 5 -1.3 -4.8 | 339 11 3.9 -10.1 2 925 787 20 7 -2.4 -6.6 | 347 12 2.8 -11.9 3 912 914 150 2 -1.0 1.7 | 311 5 4.2 -3.6 4 880 1219 135 6 -4.2 4.2 | 319 1 0.9 -1.1 5 850 1522 135 6 -4.2 4.2 | 319 1 0.9 -1.1 6 820 1829 140 9 -5.8 6.9 | 159 2 -0.6 1.6 7 791 2134 125 11 -9.0 6.3 | 105 4 -3.8 1.0 8 763 2438 120 11 -9.5 5.5 | 93 4 -4.4 0.2 9 736 2743 110 11 -10.3 3.8 | 73 5 -5.2 -1.5 10 700 3165 115 12 -10.9 5.1 | 88 6 -5.7 -0.2 11 659 3658 105 10 -9.7 2.6 | 59 5 -4.5 -2.7 12 611 4267 110 12 -11.3 4.1 | 79 6 -6.1 -1.2 13 567 4877 95 11 -11.0 1.0 | 53 7 -5.8 -4.3 14 500 5890 90 13 -13.0 0.0 | 56 9 -7.8 -5.3 15 487 6096 90 12 -12.0 0.0 | 52 9 -6.8 -5.3 16 400 7610 80 9 -8.9 -1.6 | 28 8 -3.7 -6.9 17 399 7620 70 9 -8.5 -3.1 | 21 9 -3.3 -8.4 18 325 9144 100 10 -9.8 1.7 | 53 6 -4.7 -3.6 19 300 9740 130 7 -5.4 4.5 | 13 1 -0.2 -0.8 20 263 10668 130 8 -6.1 5.1 | 81 1 -1.0 -0.2 21 250 11010 120 12 -10.4 6.0 | 98 5 -5.2 0.7 22 209 12192 105 4 -3.9 1.0 | 343 4 1.3 -4.3 23 200 12490 120 4 -3.5 2.0 | 333 4 1.7 -3.3 24 164 13716 115 12 -10.9 5.1 | 88 6 -5.7 -0.2 25 150 14290 60 9 -7.8 -4.5 | 15 10 -2.6 -9.8 26 127 15240 85 14 -13.9 -1.2 | 53 11 -8.8 -6.5 27 114 15885 120 13 -11.3 6.5 | 101 6 -6.1 1.2 28 103 16459 135 11 -7.8 7.8 | 134 4 -2.6 2.5 29 100 16630 110 8 -7.5 2.7 | 43 3 -2.3 -2.6 30 75 18288 115 14 -12.7 5.9 | 95 8 -7.5 0.6 31 70 18660 100 17 -16.7 3.0 | 79 12 -11.6 -2.3 32 58 19812 75 23 -22.2 -6.0 | 57 20 -17.0 -11.2 33 50 20640 100 28 -27.6 4.9 | 89 22 -22.4 -0.4 34 45 21336 100 29 -28.6 5.0 | 89 23 -23.4 -0.3 35 35 22860 110 31 -29.1 10.6 | 102 25 -24.0 5.3 36 30 23830 105 36 -34.8 9.3 | 98 30 -29.6 4.0 Wind Parameters Mean winds (0-6000m): 105.7 at 9.9 knts Storm direction: 135.7 at 7.4 knts Shear (0-3000m) pos: 1.6 neg: 0.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 123.5 deg Storm rel helicity (0-3000m) pos: 19.1 neg: -15.3 tot: 3.8 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.59 Bulk Shear: 14.53 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 18 4 336 10| 6.1 0.0 6.1| 17.4 0.0 17.4 34.7 0.72| 9.7 6.9 1000 70 4 349 7| 3.1 0.0 3.1| 17.5 -9.7 7.8 7.8 0.06| 10.5 0.6 1500 113 5 351 3| 3.0 0.0 3.0| 17.5 -9.9 7.7 5.1 -0.02| 8.1 -0.2 2000 121 6 9 2| 2.3 1.0 3.2| 17.5 -12.0 5.5 2.8 -0.13| 7.1 -0.9 2500 119 7 36 2| 1.8 1.1 2.9| 17.7 -14.3 3.4 1.4 -0.17| 6.1 -1.1 3000 118 8 52 3| 1.6 0.9 2.5| 19.1 -15.3 3.8 1.3 -0.16| 5.4 -0.8 4000 114 9 60 3| 1.4 0.8 2.1| 21.6 -17.8 3.8 0.9 -0.14| 4.5 -0.6 5000 110 9 60 4| 1.1 0.9 2.0| 22.0 -22.7 -0.7 -0.1 -0.19| 4.0 -0.8 6000 106 10 59 5| 0.9 0.8 1.7| 22.3 -25.2 -2.9 -0.5 -0.20| 3.6 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251013.00.gif