UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 22 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1008 19 27.2 25.6 91 1.6 26.0 0 0 299.7 303.5 298.9 361.1 20.92 1 1000 74 26.4 24.9 91 1.5 25.3 50 1 299.5 303.2 298.5 358.8 20.21 2 925 762 23.6 20.8 84 2.8 21.6 20 1 303.4 306.6 297.4 353.8 16.95 3 850 1497 18.6 17.6 94 1.0 17.9 65 11 305.6 308.4 296.8 350.8 15.07 4 776 2274 13.2 12.9 98 0.3 13.0 84 7 307.9 310.2 295.4 344.6 12.14 5 700 3139 9.0 8.1 94 0.9 8.5 105 3 312.5 314.3 294.9 342.5 9.74 6 661 3612 7.0 3.0 76 4.0 4.7 97 4 315.4 316.7 293.8 338.0 7.21 7 647 3789 8.0 3.0 71 5.0 5.1 94 4 318.4 319.9 294.8 341.8 7.36 8 534 5346 -1.3 -3.4 86 2.1 -2.4 69 8 325.3 326.4 295.2 343.6 5.58 9 522 5528 -1.7 -3.9 85 2.2 -2.9 66 8 326.9 328.0 295.6 345.1 5.50 10 500 5870 -2.7 -8.7 63 6.0 -5.5 60 9 329.7 330.5 295.1 343.2 3.97 11 498 5902 -2.9 -9.9 58 7.0 -6.1 61 9 329.9 330.6 294.8 342.2 3.62 12 458 6562 -7.3 -17.3 45 10.0 -11.0 74 9 332.4 332.8 294.3 339.9 2.15 13 442 6840 -8.9 -14.9 62 6.0 -11.3 79 9 333.8 334.3 295.1 343.2 2.72 14 428 7089 -9.9 -23.9 31 14.0 -14.2 84 9 335.6 335.8 294.4 340.3 1.30 15 425 7144 -10.3 -17.3 56 7.0 -12.9 85 9 335.7 336.2 295.3 343.9 2.32 16 418 7272 -10.9 -17.9 56 7.0 -13.5 88 9 336.6 337.0 295.4 344.5 2.24 17 410 7421 -11.7 -19.7 51 8.0 -14.5 91 9 337.4 337.8 295.4 344.4 1.96 18 400 7610 -13.3 -18.3 66 5.0 -15.1 95 9 337.7 338.2 295.7 345.8 2.26 19 371 8179 -17.3 -24.3 54 7.0 -19.3 100 11 339.7 340.0 295.5 345.0 1.44 20 367 8260 -17.1 -35.1 19 18.0 -20.9 101 11 341.1 341.2 295.1 343.1 0.53 21 300 9740 -27.9 -48.9 12 21.0 -30.2 115 17 346.1 346.1 295.9 346.7 0.15 22 280 10231 -31.3 -54.3 9 23.0 -33.3 117 18 348.1 348.1 296.3 348.4 0.09 23 273 10409 -33.1 -47.1 23 14.0 -34.6 118 18 348.0 348.0 296.4 348.8 0.20 24 271 10461 -33.5 -56.5 8 23.0 -35.2 118 18 348.1 348.1 296.3 348.4 0.07 25 267 10564 -34.3 -40.3 55 6.0 -35.1 118 18 348.5 348.5 296.7 350.2 0.43 26 261 10723 -35.5 -49.5 23 14.0 -36.7 119 19 349.0 349.0 296.5 349.6 0.16 27 250 11020 -38.1 -47.1 38 9.0 -38.9 120 19 349.4 349.5 296.7 350.3 0.22 28 200 12510 -51.5 -55.6 61 4.1 -51.7 110 25 351.2 351.2 297.0 351.7 0.10 29 183 13080 -56.9 -58.7 80 1.8 -56.9 102 23 351.5 351.5 297.0 351.8 0.08 30 178 13255 -58.5 -60.9 74 2.4 -58.6 100 23 351.7 351.7 297.0 351.9 0.06 31 150 14310 -66.9 -71.2 54 4.3 -67.0 85 19 354.8 354.8 297.7 354.9 0.02 32 146 14472 -68.1 -73.1 49 5.0 -68.1 85 21 355.5 355.5 297.8 355.6 0.01 33 130 15158 -73.9 -76.5 67 2.6 -73.9 83 30 357.1 357.1 298.1 357.2 0.01 34 120 15620 -78.1 -82.0 53 3.9 -78.1 82 36 357.7 357.7 298.2 357.7 0.00 35 100 16640 -85.5 -89.0 53 3.5 -85.5 80 50 362.5 362.5 299.2 362.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 549.80 mb = 5128.68 m = 16826.16 ft Wetbulb zero: 570.18 mb = 4814.39 m = 15795.06 ft Precipitable water: 2.47 inches Sfc-500 mean rel hum: 86.03 % Est. max temperature: 32.94 C = 91.29 F Sfc-Lift cond lev (LCL): 985.38 mb = 203.96 m = 669.15 ft T: 25.87 C 700-500 lapse rate: 4.28 C/km ThetaE index: 23.04 C Layer 1000.0- 647.0 mb Conv cond level (CCL): 893.80 mb = 1060.26 m = 3478.50 ft Mean mixing ratio: 18.40 g/kg Conv temperature: 31.88 C = 89.39 F Cap Strength: 1.50 C Lifted Index: -1.84 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.72 C Lifted Index @700 mb: -3.21 C Showalter Index: -0.02 C Risk: Thunderstorms probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 20.30 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 242.20 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1225.33 J/kg Max Up Vert Vel: 49.50 m/s Conv Inhibition (B-): 14.65 J/kg Cap Strength: 1.50 C Lift Cond Lev (LCL): 928.11 mb = 732.40 m = 2402.86 ft Lev Free Conv (LFC): 863.11 mb = 1363.98 m = 4474.93 ft Equ Level (EL): 133.11 mb = 15018.79 m = 49273.65 ft B at Equ Level: 1217.52 J/kg Wind level data Storm motion: 99 at 4 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 1008 19 0 0 -0.0 -0.0 | 279 4 4.2 -0.7 1 1000 74 50 1 -0.8 -0.6 | 291 4 3.5 -1.3 2 925 762 20 1 -0.3 -0.9 | 293 4 3.9 -1.6 3 850 1497 65 11 -10.0 -4.6 | 47 8 -5.7 -5.4 4 700 3139 105 3 -2.9 0.8 | 267 1 1.3 0.1 5 500 5870 60 9 -7.8 -4.5 | 34 6 -3.5 -5.2 6 400 7610 95 9 -9.0 0.8 | 91 5 -4.7 0.1 7 300 9740 115 17 -15.4 7.2 | 120 13 -11.2 6.5 8 250 11020 120 19 -16.5 9.5 | 126 15 -12.2 8.8 9 200 12510 110 25 -23.5 8.6 | 112 21 -19.2 7.8 10 150 14310 85 19 -18.9 -1.7 | 81 15 -14.7 -2.4 11 100 16640 80 50 -49.2 -8.7 | 78 46 -45.0 -9.4 Wind Parameters Mean winds (0-6000m): 69.4 at 5.7 knts Storm direction: 99.4 at 4.3 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): -13.0 deg Storm rel helicity (0-3000m) pos: 18.6 neg: -0.0 tot: 18.6 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.1 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 379.56 Bulk Shear: 3.23 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 41 1 291 4| 1.0 0.0 1.0| 1.0 0.0 1.0 2.0 0.71| 1.3 1.0 1000 34 1 298 4| 2.3 0.0 2.3| 5.0 0.0 5.0 5.0 0.89| 2.6 2.3 1500 58 4 335 3| 3.7 0.0 3.7| 16.1 0.0 16.1 10.7 0.90| 4.4 3.9 2000 64 5 6 3| 2.2 0.0 2.2| 18.0 0.0 18.0 9.0 0.80| 4.1 3.3 2500 68 6 17 3| 1.2 0.0 1.2| 18.6 0.0 18.6 7.4 0.70| 3.9 2.7 3000 69 5 17 3| 0.6 0.0 0.6| 18.6 -0.0 18.6 6.2 0.58| 3.7 2.1 4000 73 5 15 2| 0.5 0.2 0.7| 18.7 -0.0 18.7 4.7 0.56| 3.1 1.7 5000 74 5 20 2| 0.4 0.4 0.8| 18.8 -0.2 18.5 3.7 0.49| 2.8 1.4 6000 69 6 22 3| 0.3 0.6 0.9| 19.3 -1.3 18.0 3.0 0.43| 2.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251022.00.gif