UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 27 NOV 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 1011 4 20.4 14.4 68 6.0 16.6 60 8 292.6 294.5 289.3 321.8 10.25 1 1000 100 19.8 13.8 68 6.0 16.0 45 19 293.0 294.7 289.2 321.4 9.96 2 944 593 15.8 12.7 82 3.1 13.8 40 21 293.8 295.5 289.3 321.8 9.82 3 933 693 17.8 13.3 75 4.5 15.0 37 20 296.8 298.6 290.7 326.7 10.34 4 925 767 17.8 13.2 74 4.6 14.8 35 20 297.5 299.4 291.0 327.6 10.36 5 916 851 17.6 12.9 74 4.7 14.6 35 19 298.1 300.0 291.2 328.0 10.26 6 896 1040 19.8 8.8 49 11.0 13.1 34 16 302.3 303.8 290.6 326.0 7.95 7 854 1453 17.6 8.6 56 9.0 12.1 30 11 304.2 305.7 291.4 328.9 8.24 8 850 1493 17.2 8.2 55 9.0 11.7 30 10 304.2 305.7 291.2 328.3 8.05 9 770 2331 13.6 5.6 58 8.0 8.9 20 7 309.0 310.4 292.2 331.8 7.43 10 757 2475 14.2 4.2 51 10.0 8.4 24 8 311.2 312.5 292.3 332.4 6.84 11 721 2886 13.8 -4.2 28 18.0 4.7 36 10 315.1 315.8 291.0 327.5 3.88 12 715 2957 13.6 -1.4 35 15.0 5.6 37 10 315.6 316.6 292.0 331.0 4.83 13 700 3135 12.4 -0.6 41 13.0 5.4 45 11 316.2 317.2 292.5 332.9 5.23 14 591 4533 3.6 -16.4 22 20.0 -4.1 75 7 321.7 322.0 291.1 327.8 1.79 15 542 5228 -2.9 -16.9 33 14.0 -8.0 41 5 322.0 322.4 291.3 328.4 1.88 16 513 5665 -1.3 -43.3 2 42.0 -10.1 46 7 329.0 329.1 291.6 329.7 0.16 17 500 5870 -2.1 -43.1 3 41.0 -10.7 65 10 330.5 330.5 292.0 331.1 0.17 18 454 6631 -4.9 -43.9 3 39.0 -12.8 77 10 336.2 336.3 293.6 336.9 0.17 19 400 7610 -13.1 -44.1 5 31.0 -18.5 100 10 338.0 338.0 294.0 338.7 0.19 20 358 8444 -19.7 -47.7 6 28.0 -23.5 103 12 340.0 340.0 294.4 340.6 0.14 21 333 8977 -23.5 -54.5 4 31.0 -26.7 104 13 341.9 341.9 294.8 342.2 0.07 22 311 9472 -27.5 -32.5 62 5.0 -28.5 102 11 343.1 343.2 295.8 346.1 0.80 23 300 9730 -29.3 -37.3 46 8.0 -30.6 100 10 344.1 344.2 295.8 346.1 0.52 24 274 10368 -33.9 -41.9 44 8.0 -34.8 73 11 346.5 346.5 296.1 347.9 0.35 25 250 11000 -39.5 -46.5 47 7.0 -40.1 55 8 347.3 347.4 296.3 348.3 0.23 26 236 11393 -42.9 -52.9 33 10.0 -43.5 58 8 348.0 348.0 296.3 348.5 0.12 27 228 11626 -44.9 -53.9 36 9.0 -45.4 60 7 348.4 348.4 296.4 348.8 0.11 28 226 11685 -45.7 -49.8 63 4.1 -45.9 61 7 348.0 348.1 296.4 348.8 0.18 29 206 12297 -50.9 -54.2 68 3.3 -51.0 75 7 349.2 349.2 296.5 349.7 0.12 30 205 12329 -51.1 -54.6 66 3.5 -51.2 78 7 349.4 349.4 296.6 349.8 0.11 31 200 12490 -52.1 -58.1 48 6.0 -52.3 95 7 350.3 350.3 296.8 350.6 0.07 32 196 12620 -53.1 -59.1 48 6.0 -53.3 100 8 350.7 350.7 296.8 351.0 0.07 33 169 13553 -61.1 -63.9 69 2.8 -61.2 133 11 352.6 352.6 297.3 352.8 0.04 34 150 14280 -67.5 -71.2 59 3.7 -67.5 150 13 353.8 353.8 297.5 353.9 0.02 35 149 14320 -67.9 -72.0 56 4.1 -67.9 149 13 353.8 353.8 297.4 353.9 0.02 36 109 16132 -83.1 -88.1 41 5.0 -83.1 111 20 358.2 358.2 298.4 358.2 0.00 37 100 16610 -84.7 -89.7 41 5.0 -84.7 115 25 364.1 364.1 299.5 364.1 0.00 38 92 17067 -87.9 -93.9 32 6.0 -87.9 130 29 366.5 366.5 299.9 366.5 0.00 39 86 17438 -83.7 -90.7 28 7.0 -83.7 107 23 382.1 382.1 302.6 382.1 0.00 40 81 17770 -85.5 -91.5 33 6.0 -85.5 86 18 385.1 385.1 303.1 385.1 0.00 41 73 18347 -82.1 -90.1 24 8.0 -82.1 46 10 403.9 403.9 305.7 403.9 0.00 42 72 18426 -76.1 -88.1 13 12.0 -76.2 36 10 418.2 418.2 307.5 418.2 0.00 43 70 18590 -73.3 -87.3 10 14.0 -73.3 15 9 427.6 427.6 308.6 427.6 0.00 44 64 19114 -75.9 -88.9 11 13.0 -75.9 41 8 433.0 433.0 309.1 433.0 0.00 45 50 20580 -66.5 -89.5 3 23.0 -66.8 95 8 486.8 486.8 314.0 486.8 0.00 46 41 21775 -68.7 -90.7 3 22.0 -68.9 60 9 509.7 509.7 315.6 509.7 0.00 47 37 22393 -66.1 -91.1 2 25.0 -66.5 60 22 531.6 531.6 317.0 531.6 0.00 TRP 92 17067 -87.9 -93.9 32 6.0 -87.9 130 29 366.5 366.5 299.9 366.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 563.86 mb = 4917.73 m = 16134.10 ft Wetbulb zero: 638.35 mb = 3896.27 m = 12782.87 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 42.20 % Est. max temperature: 31.66 C = 88.98 F Sfc-Lift cond lev (LCL): 925.18 mb = 765.30 m = 2510.80 ft T: 17.80 C 700-500 lapse rate: 5.30 C/km ThetaE index: 4.82 C Layer 721.0- 715.0 mb Conv cond level (CCL): 630.60 mb = 3997.22 m = 13114.08 ft Mean mixing ratio: 10.01 g/kg Conv temperature: 47.46 C = 117.43 F Cap Strength: 11.98 C Lifted Index: 12.53 C Risk: None Lifted Index @300 mb: 15.39 C Lifted Index @700 mb: 10.62 C Showalter Index: 9.95 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 10.30 C K Index: 14.50 Risk: None Sweat Index: 128.40 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.87 J/kg Max Up Vert Vel: 7.05 m/s Conv Inhibition (B-): 19706.65 J/kg Cap Strength: 12.28 C Lift Cond Lev (LCL): 895.42 mb = 1045.94 m = 3431.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 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 1011 4 60 8 -6.9 -4.0 | 349 2 0.4 -1.9 1 1000 100 45 19 -13.4 -13.4 | 28 13 -6.1 -11.4 2 976 305 40 20 -12.9 -15.3 | 23 14 -5.5 -13.3 3 942 610 40 21 -13.5 -16.1 | 24 15 -6.2 -14.0 4 925 767 35 20 -11.5 -16.4 | 16 15 -4.2 -14.3 5 909 914 35 18 -10.3 -14.7 | 13 13 -3.0 -12.7 6 850 1493 30 10 -5.0 -8.7 | 341 7 2.3 -6.6 7 847 1524 30 10 -5.0 -8.7 | 341 7 2.3 -6.6 8 788 2134 15 6 -1.6 -5.8 | 303 7 5.8 -3.7 9 707 3048 40 11 -7.1 -8.4 | 358 6 0.2 -6.4 10 700 3135 45 11 -7.8 -7.8 | 5 6 -0.5 -5.7 11 656 3658 70 9 -8.5 -3.1 | 48 2 -1.1 -1.0 12 587 4572 75 7 -6.8 -1.8 | 245 1 0.5 0.3 13 565 4877 55 5 -4.1 -2.9 | 284 3 3.2 -0.8 14 524 5486 30 5 -2.5 -4.3 | 295 5 4.8 -2.3 15 500 5870 65 10 -9.1 -4.2 | 39 3 -1.8 -2.2 16 486 6096 65 10 -9.1 -4.2 | 39 3 -1.8 -2.2 17 400 7610 100 10 -9.8 1.7 | 146 5 -2.5 3.8 18 399 7620 100 10 -9.8 1.7 | 146 5 -2.5 3.8 19 325 9144 105 13 -12.6 3.4 | 136 8 -5.2 5.4 20 300 9730 100 10 -9.8 1.7 | 146 5 -2.5 3.8 21 262 10668 60 11 -9.5 -5.5 | 33 4 -2.2 -3.4 22 250 11000 55 8 -6.6 -4.6 | 343 3 0.8 -2.5 23 209 12192 65 7 -6.3 -3.0 | 313 1 1.0 -0.9 24 200 12490 95 7 -7.0 0.6 | 187 3 0.3 2.7 25 164 13716 140 12 -7.7 9.2 | 178 11 -0.4 11.3 26 150 14280 150 13 -6.5 11.3 | 183 13 0.8 13.3 27 127 15240 125 11 -9.0 6.3 | 169 9 -1.7 8.4 28 103 16459 105 24 -23.2 6.2 | 118 18 -15.9 8.3 29 100 16610 115 25 -22.7 10.6 | 129 20 -15.3 12.6 30 92 17067 130 29 -22.2 18.6 | 144 26 -14.9 20.7 31 74 18288 55 10 -8.2 -5.7 | 13 4 -0.9 -3.7 32 70 18590 15 9 -2.3 -8.7 | 323 8 5.0 -6.6 33 57 19812 75 6 -5.8 -1.6 | 251 2 1.5 0.5 34 50 20580 95 8 -8.0 0.7 | 167 3 -0.7 2.8 35 42 21336 60 5 -4.3 -2.5 | 278 3 3.0 -0.4 36 32 22555 60 39 -33.8 -19.5 | 57 32 -26.5 -17.4 Wind Parameters Mean winds (0-6000m): 44.2 at 10.1 knts Storm direction: 74.2 at 7.6 knts Shear (0-3000m) pos: 0.9 neg: 0.9 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 6.0 deg Storm rel helicity (0-3000m) pos: 15.1 neg: -36.5 tot: -21.4 m^2/s^2 ave: -7.1 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.55 Bulk Shear: 9.74 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 42 19 24 13| 0.0 13.8 13.8| 5.0 -4.7 0.3 0.6 0.27| 15.1 4.1 1000 40 19 21 14| 0.0 5.2 5.2| 5.4 -17.5 -12.1 -12.1 0.04| 10.4 0.4 1500 38 17 16 12| 0.0 1.7 1.7| 5.4 -28.7 -23.3 -15.5 -0.14| 9.3 -1.3 2000 36 15 9 10| 0.0 1.4 1.4| 5.4 -35.2 -29.8 -14.9 -0.24| 7.9 -1.9 2500 35 13 2 9| 0.3 1.1 1.4| 9.1 -36.5 -27.3 -10.9 -0.18| 6.9 -1.2 3000 35 13 359 8| 0.9 0.9 1.8| 15.1 -36.5 -21.4 -7.1 -0.07| 6.3 -0.4 4000 40 12 2 7| 0.9 0.7 1.6| 18.8 -36.5 -17.6 -4.4 0.02| 5.6 0.1 5000 43 11 1 6| 0.7 0.9 1.6| 19.2 -36.5 -17.3 -3.5 0.02| 5.0 0.1 6000 44 10 357 5| 1.0 0.9 1.9| 25.3 -36.5 -11.2 -1.9 0.14| 4.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251127.00.gif