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 VVNB... Searching the city database file for: VVNB ... Date:0000Z 13 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 1011 6 27.0 25.2 90 1.8 25.7 355 3 299.2 302.9 298.5 358.8 20.35 1 1000 105 26.2 25.1 94 1.1 25.4 10 5 299.4 303.1 298.5 359.3 20.46 2 925 791 22.2 20.9 92 1.3 21.3 95 5 302.0 305.1 297.1 352.4 17.06 3 850 1524 18.2 16.8 92 1.4 17.2 100 7 305.2 307.9 296.2 348.0 14.31 4 833 1697 16.8 16.7 99 0.1 16.7 96 7 305.5 308.2 296.4 348.9 14.51 5 782 2235 14.4 12.1 86 2.3 12.9 85 6 308.5 310.6 295.1 343.1 11.42 6 777 2289 15.0 10.4 74 4.6 12.0 84 6 309.7 311.6 294.6 341.0 10.25 7 724 2887 12.8 2.8 51 10.0 7.1 71 5 313.6 314.9 292.8 333.9 6.48 8 718 2957 12.0 6.0 67 6.0 8.4 70 5 313.5 315.1 294.1 339.0 8.20 9 700 3170 11.2 0.2 47 11.0 5.2 65 5 314.9 316.0 292.4 332.4 5.55 10 699 3182 11.2 -0.8 43 12.0 4.8 65 5 315.0 316.0 292.1 331.4 5.17 11 668 3559 8.2 2.2 66 6.0 4.8 71 6 315.8 317.1 293.6 337.0 6.73 12 661 3646 7.8 0.8 61 7.0 3.9 73 6 316.3 317.4 293.3 335.8 6.15 13 658 3683 8.0 -5.0 39 13.0 1.6 73 6 316.9 317.7 291.7 329.8 4.01 14 634 3989 6.6 -8.4 33 15.0 -0.3 78 6 318.7 319.3 291.5 329.2 3.20 15 615 4239 5.8 -18.2 16 24.0 -3.2 82 7 320.6 320.8 290.5 325.6 1.48 16 607 4346 5.2 -18.8 16 24.0 -3.6 84 7 321.1 321.3 290.6 326.0 1.43 17 605 4373 4.8 -6.2 45 11.0 -0.6 85 7 320.9 321.7 292.8 333.9 3.98 18 603 4400 4.4 -5.6 48 10.0 -0.5 85 7 320.8 321.6 292.9 334.4 4.18 19 586 4633 3.4 -17.6 20 21.0 -4.5 89 7 322.2 322.5 291.1 327.8 1.64 20 544 5231 -1.5 -13.5 39 12.0 -6.4 99 8 323.3 323.8 292.2 331.7 2.48 21 517 5636 -2.9 -24.9 16 22.0 -9.6 106 9 326.4 326.6 291.7 329.9 0.98 22 513 5697 -3.5 -10.5 58 7.0 -6.5 107 9 326.4 327.0 293.7 337.6 3.35 23 509 5759 -3.9 -9.9 63 6.0 -6.5 108 9 326.6 327.3 294.0 338.5 3.54 24 500 5900 -4.9 -9.9 68 5.0 -7.1 110 9 327.1 327.8 294.1 339.2 3.61 25 463 6500 -8.1 -17.1 48 9.0 -11.4 103 10 330.3 330.8 293.8 337.9 2.16 26 448 6754 -9.9 -17.9 52 8.0 -12.8 100 10 331.2 331.6 294.0 338.5 2.09 27 444 6823 -10.3 -13.9 75 3.6 -11.7 99 10 331.6 332.1 294.7 341.7 2.94 28 436 6963 -10.7 -23.7 33 13.0 -14.6 98 10 332.8 333.0 293.7 337.4 1.29 29 431 7051 -10.9 -16.9 61 6.0 -13.1 97 10 333.6 334.1 294.8 341.9 2.36 30 421 7231 -12.1 -17.1 66 5.0 -13.9 95 11 334.3 334.8 295.0 342.7 2.38 31 400 7620 -14.5 -23.5 46 9.0 -17.2 90 11 336.1 336.4 294.6 341.4 1.44 32 343 8768 -21.1 -39.1 18 18.0 -24.2 82 11 342.3 342.4 295.2 343.8 0.38 33 302 9692 -28.5 -46.5 16 18.0 -30.6 75 11 344.6 344.6 295.6 345.4 0.19 34 300 9740 -28.7 -45.7 18 17.0 -30.7 75 11 344.9 345.0 295.7 345.8 0.21 35 259 10776 -37.7 -44.7 48 7.0 -38.4 87 8 346.5 346.6 296.1 347.6 0.28 36 253 10938 -38.3 -49.3 31 11.0 -39.2 89 7 347.9 348.0 296.3 348.6 0.17 37 250 11020 -38.9 -48.9 34 10.0 -39.7 90 7 348.2 348.3 296.4 349.0 0.18 38 216 12006 -47.7 -53.7 50 6.0 -48.0 103 6 349.5 349.5 296.6 350.0 0.12 39 200 12510 -51.9 -62.9 26 11.0 -52.2 110 5 350.6 350.6 296.8 350.8 0.04 40 197 12607 -52.5 -64.5 22 12.0 -52.8 112 6 351.1 351.2 296.9 351.3 0.03 41 180 13181 -57.7 -67.7 27 10.0 -57.9 125 9 351.8 351.8 297.1 351.9 0.02 42 155 14102 -65.7 -71.7 43 6.0 -65.8 145 16 353.6 353.6 297.4 353.6 0.02 43 150 14300 -67.1 -74.1 36 7.0 -67.1 150 17 354.5 354.5 297.6 354.5 0.01 44 143 14589 -68.7 -78.7 22 10.0 -68.8 148 18 356.6 356.6 298.0 356.6 0.01 45 126 15338 -74.7 -80.7 39 6.0 -74.7 141 20 358.9 358.9 298.5 358.9 0.00 46 101 16613 -79.3 -86.3 31 7.0 -79.3 130 23 373.4 373.4 301.2 373.5 0.00 47 100 16670 -78.7 -85.7 31 7.0 -78.7 130 23 375.7 375.7 301.5 375.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 556.86 mb = 5047.76 m = 16560.70 ft Wetbulb zero: 638.12 mb = 3935.94 m = 12913.03 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 61.33 % Est. max temperature: 32.53 C = 90.56 F Sfc-Lift cond lev (LCL): 985.43 mb = 234.19 m = 768.33 ft T: 25.45 C 700-500 lapse rate: 5.90 C/km ThetaE index: 15.02 C Layer 782.0- 718.0 mb Conv cond level (CCL): 928.81 mb = 754.84 m = 2476.49 ft Mean mixing ratio: 18.64 g/kg Conv temperature: 29.66 C = 85.39 F Cap Strength: 0.54 C Lifted Index: -3.89 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.29 C Lifted Index @700 mb: -0.89 C Showalter Index: -1.23 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 224.60 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1365.30 J/kg Max Up Vert Vel: 52.26 m/s Conv Inhibition (B-): 2.53 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 944.05 mb = 611.58 m = 2006.47 ft Lev Free Conv (LFC): 909.05 mb = 941.73 m = 3089.64 ft Equ Level (EL): 139.05 mb = 14754.25 m = 48405.74 ft B at Equ Level: 1348.81 J/kg Wind level data Storm motion: 120 at 5 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 6 355 3 0.3 -3.0 | 320 7 4.4 -5.3 1 1000 105 10 5 -0.9 -4.9 | 336 8 3.3 -7.3 2 925 791 95 5 -5.0 0.4 | 23 2 -0.8 -1.9 3 850 1524 100 7 -6.9 1.2 | 67 3 -2.7 -1.1 4 700 3170 65 5 -4.5 -2.1 | 5 4 -0.4 -4.5 5 500 5900 110 9 -8.5 3.1 | 100 4 -4.3 0.7 6 400 7620 90 11 -11.0 0.0 | 71 7 -6.8 -2.4 7 300 9740 75 11 -10.6 -2.8 | 51 8 -6.5 -5.2 8 250 11020 90 7 -7.0 0.0 | 50 4 -2.8 -2.4 9 200 12510 110 5 -4.7 1.7 | 39 1 -0.5 -0.6 10 150 14300 150 17 -8.5 14.7 | 161 13 -4.3 12.4 11 100 16670 130 23 -17.6 14.8 | 133 18 -13.5 12.4 Wind Parameters Mean winds (0-6000m): 89.5 at 6.4 knts Storm direction: 119.5 at 4.8 knts Shear (0-3000m) pos: 1.4 neg: 0.6 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 48.6 deg Storm rel helicity (0-3000m) pos: 11.4 neg: -3.3 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 0.8 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 312.26 Bulk Shear: 4.37 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 30 5 345 7| 4.7 0.0 4.7| 9.1 0.0 9.1 18.1 0.75| 6.8 5.1 1000 60 5 2 5| 3.5 0.0 3.5| 10.6 0.0 10.6 10.6 0.67| 5.3 3.5 1500 78 5 18 4| 2.8 0.0 2.8| 11.4 0.0 11.4 7.6 0.69| 4.0 2.8 2000 84 6 27 3| 2.1 0.3 2.5| 11.4 -1.0 10.4 5.2 0.53| 3.3 1.7 2500 84 6 29 3| 1.7 0.5 2.2| 11.4 -2.1 9.3 3.7 0.39| 2.9 1.2 3000 83 6 27 3| 1.4 0.6 2.0| 11.4 -3.3 8.1 2.7 0.30| 2.6 0.8 4000 81 6 24 4| 1.2 0.5 1.7| 13.3 -3.6 9.8 2.4 0.34| 2.2 0.8 5000 83 6 29 4| 1.2 0.4 1.6| 15.9 -3.6 12.3 2.5 0.42| 2.1 0.9 6000 90 6 43 3| 1.2 0.3 1.5| 18.5 -3.7 14.8 2.5 0.47| 1.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251013.00.gif