UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 12 OCT 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 6 29.6 23.6 70 6.0 25.2 135 3 302.0 305.4 298.0 356.6 18.47 1 1000 83 29.2 23.2 70 6.0 24.8 135 7 302.4 305.7 298.0 356.2 18.19 2 925 774 24.2 20.6 80 3.6 21.6 105 9 304.1 307.2 297.5 353.9 16.74 3 850 1511 19.2 17.1 88 2.1 17.8 95 3 306.3 309.0 296.7 350.1 14.59 4 849 1521 19.2 17.1 88 2.1 17.8 94 3 306.4 309.1 296.7 350.2 14.60 5 700 3159 10.0 7.3 83 2.7 8.3 5 1 313.6 315.3 294.8 342.1 9.21 6 677 3436 8.2 5.6 84 2.6 6.6 11 1 314.6 316.2 294.6 341.0 8.46 7 659 3660 8.6 0.6 57 8.0 4.2 16 1 317.4 318.6 293.5 336.8 6.08 8 623 4124 7.6 -8.4 31 16.0 0.1 26 2 321.4 322.1 292.3 332.2 3.25 9 584 4654 3.6 -6.4 48 10.0 -1.3 37 2 322.8 323.6 293.3 336.1 4.06 10 575 4780 2.8 -14.2 27 17.0 -4.1 40 2 323.3 323.7 291.9 330.8 2.21 11 532 5406 -1.3 -9.3 54 8.0 -4.9 54 3 325.6 326.3 293.7 337.5 3.55 12 508 5774 -2.3 -26.3 14 24.0 -9.5 62 3 328.7 328.9 292.2 331.9 0.88 13 503 5853 -2.9 -24.9 16 22.0 -9.7 64 3 328.9 329.1 292.4 332.6 1.01 14 500 5900 -3.5 -15.5 39 12.0 -8.2 65 3 328.8 329.2 293.5 336.7 2.29 15 496 5963 -4.1 -10.1 63 6.0 -6.8 65 3 328.8 329.5 294.6 340.9 3.58 16 491 6043 -3.7 -30.7 10 27.0 -11.0 66 3 330.2 330.4 292.4 332.5 0.60 17 472 6353 -5.7 -37.7 6 32.0 -12.9 68 5 331.5 331.6 292.4 332.7 0.32 18 459 6571 -7.1 -23.1 27 16.0 -12.2 69 5 332.4 332.7 293.6 337.1 1.30 19 456 6622 -6.9 -35.9 8 29.0 -13.6 69 5 333.3 333.4 293.0 334.8 0.39 20 441 6882 -8.7 -37.7 8 29.0 -15.0 71 6 334.2 334.3 293.2 335.5 0.34 21 405 7535 -12.7 -39.7 8 27.0 -18.0 74 9 337.3 337.3 293.9 338.5 0.30 22 400 7630 -13.3 -40.3 8 27.0 -18.4 75 9 337.7 337.8 294.0 338.8 0.28 23 375 8117 -17.1 -36.1 18 19.0 -20.9 73 9 339.0 339.1 294.5 340.8 0.47 24 369 8238 -18.3 -27.3 45 9.0 -20.6 72 8 338.9 339.2 295.0 343.0 1.10 25 352 8588 -21.3 -29.3 49 8.0 -23.1 71 8 339.5 339.7 295.1 343.1 0.96 26 346 8715 -21.5 -43.5 12 22.0 -24.8 70 8 340.9 340.9 294.8 341.8 0.23 27 339 8865 -22.3 -51.3 5 29.0 -25.7 69 8 341.8 341.8 294.8 342.2 0.10 28 300 9750 -29.5 -54.5 7 25.0 -31.7 65 7 343.8 343.8 295.3 344.1 0.08 29 284 10137 -31.5 -58.5 5 27.0 -33.5 79 8 346.4 346.4 295.8 346.6 0.05 30 250 11020 -39.1 -58.1 12 19.0 -40.2 110 11 347.9 347.9 296.3 348.2 0.06 31 215 12036 -47.9 -57.9 31 10.0 -48.3 130 11 349.6 349.6 296.6 349.9 0.07 32 201 12478 -51.1 -65.1 17 14.0 -51.5 139 11 351.3 351.4 297.0 351.5 0.03 33 200 12510 -51.7 -64.7 20 13.0 -52.0 140 11 350.9 350.9 296.8 351.0 0.03 34 193 12740 -53.7 -62.7 32 9.0 -53.9 142 12 351.3 351.3 297.0 351.5 0.04 35 188 12908 -54.9 -60.9 47 6.0 -55.1 143 12 352.0 352.0 297.1 352.2 0.06 36 180 13184 -56.9 -67.9 24 11.0 -57.1 145 13 353.1 353.1 297.3 353.2 0.02 37 150 14310 -66.9 -73.9 37 7.0 -67.0 155 17 354.8 354.8 297.7 354.9 0.01 38 129 15207 -73.9 -78.9 46 5.0 -73.9 148 24 357.9 357.9 298.3 357.9 0.01 39 128 15252 -74.1 -79.1 46 5.0 -74.1 147 24 358.3 358.3 298.4 358.4 0.01 40 114 15923 -77.3 -83.3 38 6.0 -77.3 141 30 364.5 364.5 299.5 364.5 0.00 41 100 16670 -79.9 -85.9 36 6.0 -79.9 135 36 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5817.00 m Freezing level: 545.63 mb = 5207.40 m = 17084.43 ft Wetbulb zero: 620.73 mb = 4153.99 m = 13628.41 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 64.90 % Est. max temperature: 33.62 C = 92.52 F Sfc-Lift cond lev (LCL): 925.38 mb = 770.37 m = 2527.41 ft T: 24.23 C 700-500 lapse rate: 4.93 C/km ThetaE index: 18.04 C Layer 700.0- 584.0 mb Conv cond level (CCL): 862.89 mb = 1379.81 m = 4526.89 ft Mean mixing ratio: 17.38 g/kg Conv temperature: 33.51 C = 92.31 F Cap Strength: 1.56 C Lifted Index: -2.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.74 C Lifted Index @700 mb: -1.91 C Showalter Index: -0.59 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.60 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 214.20 Risk: None Energy Index: -2.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 982.58 J/kg Max Up Vert Vel: 44.33 m/s Conv Inhibition (B-): 26.37 J/kg Cap Strength: 1.56 C Lift Cond Lev (LCL): 895.53 mb = 1056.26 m = 3465.37 ft Lev Free Conv (LFC): 820.53 mb = 1810.69 m = 5940.53 ft Equ Level (EL): 150.53 mb = 14288.42 m = 46877.43 ft B at Equ Level: 980.51 J/kg Wind level data Storm motion: 119 at 2 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 6 135 3 -2.1 2.1 | 179 1 -0.0 1.0 1 1000 83 135 7 -4.9 4.9 | 143 5 -2.9 3.8 2 925 774 105 9 -8.7 2.3 | 100 7 -6.6 1.2 3 850 1511 95 3 -3.0 0.3 | 45 1 -0.9 -0.9 4 700 3159 5 1 -0.1 -1.0 | 317 3 2.0 -2.1 5 500 5900 65 3 -2.7 -1.3 | 14 2 -0.6 -2.4 6 400 7630 75 9 -8.7 -2.3 | 62 7 -6.6 -3.5 7 300 9750 65 7 -6.3 -3.0 | 46 6 -4.2 -4.1 8 250 11020 110 11 -10.3 3.8 | 108 9 -8.2 2.6 9 200 12510 140 11 -7.1 8.4 | 146 9 -5.0 7.3 10 150 14310 155 17 -7.2 15.4 | 160 15 -5.1 14.3 11 100 16670 135 36 -25.5 25.5 | 136 34 -23.4 24.3 Wind Parameters Mean winds (0-6000m): 88.7 at 3.2 knts Storm direction: 118.7 at 2.4 knts Shear (0-3000m) pos: 0.0 neg: 0.6 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 143.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -11.0 tot: -11.0 m^2/s^2 ave: -3.7 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 3.1 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 290.69 Bulk Shear: 3.38 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 ------------------------------------------------------------------------------- 500 126 7 130 5| 0.0 5.6 5.6| 0.0 -4.1 -4.1 -8.1 -0.62| 7.0 -4.4 1000 115 8 114 5| 0.0 2.5 2.5| 0.0 -7.8 -7.8 -7.8 -0.63| 5.4 -3.4 1500 112 7 108 5| 0.0 0.7 0.7| 0.0 -9.2 -9.2 -6.1 -0.58| 5.0 -2.9 2000 109 6 102 4| 0.0 0.8 0.8| 0.0 -9.7 -9.7 -4.9 -0.61| 4.1 -2.5 2500 106 5 95 3| 0.0 0.7 0.7| 0.0 -10.4 -10.4 -4.1 -0.62| 3.5 -2.2 3000 105 4 89 2| 0.0 0.6 0.6| 0.0 -11.0 -11.0 -3.7 -0.64| 3.1 -2.0 4000 100 4 71 2| 0.1 0.5 0.5| 0.6 -11.2 -10.6 -2.7 -0.58| 2.4 -1.4 5000 93 3 51 2| 0.2 0.4 0.5| 1.4 -11.2 -9.8 -2.0 -0.50| 2.1 -1.0 6000 89 3 42 2| 0.2 0.3 0.6| 2.3 -11.2 -8.9 -1.5 -0.40| 1.9 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251012.12.gif