UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:0000Z 17 OCT 25 Station: VTBP WMO ident: 48500 Latitude: 11.83 Longitude: 99.83 Elevation: 5.00 ------------------------------------------------------------------------------- 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 5 27.0 24.6 87 2.4 25.2 30 3 299.6 303.1 298.1 357.2 19.69 1 1006 14 26.8 19.8 66 7.0 21.9 32 6 299.4 302.1 294.8 342.1 14.60 2 1000 70 27.0 20.0 66 7.0 22.1 45 27 300.1 302.9 295.2 343.7 14.88 3 998 88 27.2 19.2 62 8.0 21.6 41 26 300.5 303.1 294.8 342.1 14.17 4 925 757 23.2 17.2 69 6.0 19.1 60 21 303.0 305.5 295.0 342.9 13.47 5 850 1491 18.4 13.5 73 4.9 15.1 75 17 305.4 307.6 294.3 339.9 11.52 6 835 1644 17.6 12.7 73 4.9 14.4 77 17 306.1 308.2 294.2 339.6 11.12 7 703 3100 11.6 2.6 54 9.0 6.5 75 18 314.9 316.2 293.2 335.7 6.58 8 700 3136 11.4 2.4 54 9.0 6.3 75 18 315.1 316.4 293.2 335.6 6.51 9 576 4734 0.6 -5.4 64 6.0 -2.3 75 17 320.5 321.4 293.0 335.0 4.44 10 500 5860 -4.7 -10.7 63 6.0 -7.3 85 20 327.3 328.0 294.0 338.7 3.38 11 494 5955 -5.5 -11.5 63 6.0 -8.1 85 20 327.5 328.1 293.9 338.3 3.21 12 486 6082 -6.3 -16.3 45 10.0 -10.1 85 20 328.0 328.5 293.2 335.6 2.20 13 466 6409 -7.9 -12.9 67 5.0 -9.9 84 17 330.0 330.6 294.4 340.4 3.04 14 404 7505 -13.9 -21.9 51 8.0 -16.4 80 8 336.0 336.3 294.8 341.9 1.64 15 400 7580 -14.5 -21.5 55 7.0 -16.7 80 7 336.1 336.5 294.8 342.3 1.72 16 300 9700 -29.3 -34.3 62 5.0 -30.2 135 10 344.1 344.2 295.9 346.8 0.70 17 271 10420 -34.7 -39.6 61 4.9 -35.3 150 14 346.4 346.5 296.3 348.2 0.45 18 261 10682 -36.3 -47.3 31 11.0 -37.3 155 15 347.8 347.8 296.3 348.6 0.21 19 257 10789 -37.3 -48.3 31 11.0 -38.2 157 18 347.9 347.9 296.3 348.6 0.19 20 250 10980 -38.9 -49.9 30 11.0 -39.7 160 24 348.2 348.3 296.4 348.9 0.16 21 234 11427 -42.9 -48.9 52 6.0 -43.3 164 24 348.8 348.9 296.5 349.6 0.19 22 200 12460 -51.9 -58.9 43 7.0 -52.1 165 24 350.6 350.6 296.8 350.9 0.07 23 163 13754 -63.5 -69.5 44 6.0 -63.6 171 21 352.2 352.2 297.1 352.3 0.02 24 160 13868 -64.5 -71.5 38 7.0 -64.6 178 20 352.4 352.4 297.1 352.5 0.02 25 150 14260 -67.5 -72.4 50 4.9 -67.5 200 18 353.8 353.8 297.5 353.9 0.01 26 126 15291 -75.9 -79.5 57 3.6 -75.9 215 19 356.7 356.7 298.1 356.7 0.01 27 108 16170 -81.5 -84.3 62 2.8 -81.5 215 10 362.2 362.2 299.1 362.2 0.00 28 104 16381 -82.9 -86.2 56 3.3 -82.9 215 8 363.5 363.5 299.4 363.5 0.00 29 100 16600 -83.1 -87.0 51 3.9 -83.1 100 11 367.2 367.2 300.1 367.2 0.00 30 95 16888 -79.9 -84.5 46 4.6 -79.9 99 13 378.9 378.9 302.1 378.9 0.00 31 95 16888 -79.9 -84.8 44 4.9 -79.9 99 13 378.9 378.9 302.1 378.9 0.00 32 83 17649 -82.3 -84.9 64 2.6 -82.3 97 18 388.9 388.9 303.6 388.9 0.00 33 81 17785 -82.1 -85.1 60 3.0 -82.1 96 19 392.0 392.0 304.1 392.0 0.00 34 70 18620 -74.1 -80.1 39 6.0 -74.2 90 25 425.9 425.9 308.4 425.9 0.01 35 60 19533 -66.7 -77.7 20 11.0 -66.9 94 22 461.6 461.6 311.9 461.7 0.02 36 60 19533 -66.9 -78.9 17 12.0 -67.1 94 22 461.2 461.2 311.9 461.2 0.01 37 50 20630 -67.7 -79.7 17 12.0 -67.9 65 19 484.0 484.0 313.8 484.0 0.01 38 48 20874 -68.5 -80.5 16 12.0 -68.7 69 21 487.7 487.7 314.1 487.8 0.01 39 43 21540 -62.9 -78.9 10 16.0 -63.3 76 27 517.1 517.1 316.1 517.2 0.02 40 30 23770 -59.3 -76.3 9 17.0 -60.2 100 48 583.0 583.0 319.8 583.3 0.04 41 25 24913 -58.9 -75.9 9 17.0 -60.0 615.3 615.4 321.3 615.7 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 567.40 mb = 4861.50 m = 15949.62 ft Wetbulb zero: 609.46 mb = 4271.28 m = 14013.20 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 63.55 % Est. max temperature: 32.65 C = 90.77 F Sfc-Lift cond lev (LCL): 972.99 mb = 311.37 m = 1021.55 ft T: 25.86 C 700-500 lapse rate: 5.91 C/km ThetaE index: 15.19 C Layer 1006.0-1000.0 mb Conv cond level (CCL): 767.97 mb = 2351.94 m = 7716.26 ft Mean mixing ratio: 13.80 g/kg Conv temperature: 37.88 C = 100.18 F Cap Strength: 2.97 C Lifted Index: 1.02 C Risk: Showers probable Lifted Index @300 mb: 3.20 C Lifted Index @700 mb: 2.91 C Showalter Index: 2.14 C Risk: Showers probable Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.20 C K Index: 27.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 216.00 Risk: None Energy Index: -0.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.52 J/kg Max Up Vert Vel: 4.13 m/s Conv Inhibition (B-): 24109.72 J/kg Cap Strength: 2.94 C Lift Cond Lev (LCL): 865.99 mb = 1329.17 m = 4360.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 14 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 5 30 3 -1.5 -2.6 | 294 13 12.0 -5.2 1 1000 70 45 27 -19.1 -19.1 | 14 22 -5.5 -21.7 2 974 305 355 16 1.4 -15.9 | 321 24 14.9 -18.6 3 941 610 50 21 -16.1 -13.5 | 9 16 -2.5 -16.1 4 925 757 60 21 -18.2 -10.5 | 19 14 -4.6 -13.1 5 908 914 65 21 -19.0 -8.9 | 25 13 -5.5 -11.5 6 877 1219 70 22 -20.7 -7.5 | 35 12 -7.1 -10.2 7 850 1491 75 17 -16.4 -4.4 | 22 8 -2.9 -7.0 8 817 1829 80 16 -15.8 -2.8 | 22 6 -2.2 -5.4 9 788 2134 70 17 -16.0 -5.8 | 16 9 -2.4 -8.5 10 760 2438 80 17 -16.7 -3.0 | 30 6 -3.2 -5.6 11 733 2743 75 19 -18.4 -4.9 | 32 9 -4.8 -7.6 12 700 3136 75 18 -17.4 -4.7 | 28 8 -3.8 -7.3 13 656 3658 75 19 -18.4 -4.9 | 32 9 -4.8 -7.6 14 609 4267 75 17 -16.4 -4.4 | 22 8 -2.9 -7.0 15 565 4877 75 17 -16.4 -4.4 | 22 8 -2.9 -7.0 16 500 5860 85 20 -19.9 -1.7 | 55 8 -6.4 -4.4 17 485 6096 85 20 -19.9 -1.7 | 55 8 -6.4 -4.4 18 400 7580 80 7 -6.9 -1.2 | 300 8 6.7 -3.9 19 398 7620 80 8 -7.9 -1.4 | 305 7 5.7 -4.0 20 324 9144 95 14 -13.9 1.2 | 16 1 -0.4 -1.4 21 300 9700 135 10 -7.1 7.1 | 236 8 6.5 4.4 22 261 10668 155 15 -6.3 13.6 | 213 13 7.2 10.9 23 250 10980 160 24 -8.2 22.6 | 195 21 5.3 19.9 24 208 12192 170 25 -4.3 24.6 | 203 24 9.2 22.0 25 200 12460 165 24 -6.2 23.2 | 200 22 7.3 20.5 26 164 13716 170 21 -3.6 20.7 | 209 21 9.9 18.0 27 150 14260 200 18 6.2 16.9 | 234 24 19.7 14.3 28 127 15240 215 19 10.9 15.6 | 242 28 24.4 12.9 29 102 16459 215 7 4.0 5.7 | 260 18 17.6 3.1 30 100 16600 100 11 -10.8 1.9 | 285 3 2.7 -0.7 31 74 18288 95 22 -21.9 1.9 | 85 8 -8.4 -0.7 32 70 18620 90 25 -25.0 0.0 | 77 12 -11.5 -2.6 33 57 19812 95 21 -20.9 1.8 | 84 7 -7.4 -0.8 34 50 20630 65 19 -17.2 -8.0 | 19 11 -3.7 -10.7 35 45 21336 75 25 -24.1 -6.5 | 49 14 -10.6 -9.1 36 35 22860 85 39 -38.9 -3.4 | 77 26 -25.3 -6.0 37 30 23770 100 48 -47.3 8.3 | 100 34 -33.7 5.7 38 26 24384 105 50 -48.3 12.9 | 106 36 -34.7 10.3 Wind Parameters Mean winds (0-6000m): 71.1 at 18.4 knts Storm direction: 101.1 at 13.8 knts Shear (0-3000m) pos: 2.8 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 191.2 neg: -116.3 tot: 74.9 m^2/s^2 ave: 25.0 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 14.2 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 29.81 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 24 19 344 21| 16.8 0.0 16.8|136.2-108.8 27.4 54.8 0.28| 55.5 15.6 1000 42 20 360 17| 9.8 0.0 9.8|182.5-108.8 73.7 73.7 0.39| 34.4 13.4 1500 53 20 9 15| 5.1 0.0 5.1|187.1-113.9 73.2 48.8 0.35| 25.2 8.7 2000 58 19 12 13| 3.9 0.1 4.0|187.1-114.7 72.5 36.2 0.33| 19.7 6.4 2500 62 19 14 12| 3.3 0.1 3.4|190.7-115.2 75.5 30.2 0.33| 16.6 5.5 3000 64 19 17 11| 2.8 0.3 3.0|191.2-116.3 74.9 25.0 0.32| 14.2 4.5 4000 67 19 20 11| 2.1 0.2 2.3|192.5-118.3 74.2 18.5 0.31| 10.9 3.3 5000 69 18 21 10| 1.7 0.2 1.9|193.6-119.7 73.9 14.8 0.30| 8.9 2.7 6000 71 18 24 9| 1.7 0.1 1.8|201.3-119.7 81.6 13.6 0.33| 7.8 2.5 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20251017.00.gif