UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 19 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 1012 6 27.4 23.5 79 3.9 24.6 270 1 299.5 302.9 297.3 353.1 18.30 1 1000 108 26.4 23.3 83 3.1 24.2 275 3 299.5 302.9 297.3 353.1 18.30 2 986 233 25.4 23.0 87 2.4 23.7 302 5 299.8 303.1 297.3 353.1 18.22 3 949 570 25.0 19.0 69 6.0 20.8 16 11 302.6 305.4 295.8 346.2 14.73 4 941 645 25.2 18.2 65 7.0 20.3 32 12 303.6 306.2 295.6 345.5 14.11 5 925 796 24.0 17.0 65 7.0 19.2 65 15 303.8 306.3 295.1 343.4 13.29 6 850 1530 18.0 15.5 85 2.5 16.3 80 15 305.0 307.4 295.3 344.3 13.14 7 822 1817 15.8 14.9 94 0.9 15.2 78 15 305.6 308.0 295.4 344.8 13.07 8 752 2569 11.2 11.2 100 0.0 11.2 74 14 308.5 310.6 294.9 342.4 11.19 9 700 3167 8.2 8.2 100 0.0 8.2 70 13 311.6 313.4 294.7 341.7 9.80 10 683 3370 6.6 6.4 99 0.2 6.5 74 13 312.0 313.7 294.1 339.4 8.87 11 599 4443 3.0 -3.0 65 6.0 -0.1 98 12 319.7 320.7 293.4 336.3 5.12 12 567 4887 0.6 -7.4 55 8.0 -3.1 108 12 322.0 322.7 293.0 334.7 3.87 13 550 5132 -1.3 -2.5 92 1.2 -1.9 113 12 322.5 323.7 294.7 341.4 5.80 14 515 5656 -2.7 -11.7 50 9.0 -6.5 125 11 327.0 327.6 293.6 337.2 3.03 15 500 5890 -4.7 -13.7 49 9.0 -8.3 130 11 327.3 327.8 293.4 336.4 2.65 16 496 5953 -5.1 -13.1 53 8.0 -8.4 128 11 327.6 328.1 293.6 337.1 2.81 17 493 6001 -5.5 -9.6 73 4.1 -7.3 126 10 327.7 328.4 294.4 340.3 3.75 18 481 6194 -5.9 -16.9 41 11.0 -10.0 120 10 329.5 329.9 293.5 336.8 2.12 19 480 6211 -5.9 -22.9 25 17.0 -11.3 119 10 329.7 329.9 292.9 334.2 1.26 20 447 6765 -9.3 -14.2 67 4.9 -11.2 100 7 332.2 332.8 294.8 342.0 2.85 21 432 7029 -10.1 -37.1 9 27.0 -15.9 91 6 334.4 334.5 293.3 335.8 0.37 22 415 7338 -11.3 -20.3 47 9.0 -14.3 80 4 336.7 337.1 295.1 343.3 1.84 23 409 7450 -12.1 -25.1 33 13.0 -15.9 76 4 337.1 337.4 294.7 341.6 1.22 24 400 7620 -13.5 -21.5 51 8.0 -16.1 70 3 337.4 337.8 295.2 343.6 1.72 25 388 7850 -15.7 -20.2 68 4.5 -17.2 89 3 337.5 337.9 295.4 344.6 1.98 26 366 8286 -18.9 -22.7 72 3.8 -20.0 124 3 338.9 339.3 295.5 345.1 1.69 27 356 8491 -20.5 -28.5 49 8.0 -22.4 141 3 339.5 339.7 295.1 343.3 1.02 28 333 8979 -25.1 -30.1 63 5.0 -26.2 182 3 339.7 339.9 295.1 343.2 0.94 29 329 9066 -24.3 -27.9 72 3.6 -25.1 189 3 342.0 342.2 295.8 346.4 1.17 30 315 9381 -26.5 -29.9 73 3.4 -27.2 215 3 343.2 343.4 296.0 347.0 1.01 31 300 9730 -29.5 -32.0 79 2.5 -30.0 245 3 343.8 344.0 296.0 347.1 0.87 32 282 10171 -33.3 -35.2 83 1.9 -33.6 260 4 344.5 344.6 296.0 347.1 0.68 33 268 10529 -36.1 -38.7 77 2.6 -36.4 273 4 345.5 345.6 296.1 347.4 0.50 34 250 11010 -40.1 -43.1 73 3.0 -40.4 290 5 346.4 346.5 296.1 347.8 0.34 35 200 12490 -52.9 -57.2 59 4.3 -53.1 205 5 349.0 349.0 296.5 349.4 0.08 36 187 12918 -56.7 -61.3 56 4.6 -56.8 205 8 349.6 349.6 296.6 349.9 0.05 37 168 13587 -61.1 -72.1 22 11.0 -61.2 205 13 353.2 353.2 297.3 353.2 0.01 38 153 14160 -65.5 -72.5 37 7.0 -65.5 205 18 355.2 355.2 297.8 355.3 0.01 39 150 14280 -65.9 -71.9 43 6.0 -66.0 205 19 356.6 356.6 298.0 356.6 0.02 40 126 15316 -74.9 -78.8 54 3.9 -74.9 210 18 358.5 358.5 298.4 358.5 0.01 41 119 15647 -76.3 -81.3 45 5.0 -76.3 211 18 361.9 361.9 299.1 361.9 0.00 42 116 15795 -74.1 -81.1 33 7.0 -74.1 212 18 368.6 368.6 300.3 368.6 0.00 43 102 16537 -78.7 -83.7 44 5.0 -78.7 215 17 373.5 373.6 301.2 373.6 0.00 44 100 16650 -78.9 -83.9 44 5.0 -78.9 215 13 375.3 375.3 301.5 375.3 0.00 TRP 102 16537 -78.7 -83.7 44 5.0 -78.7 215 17 373.5 373.6 301.2 373.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 561.63 mb = 4964.48 m = 16287.47 ft Wetbulb zero: 600.25 mb = 4426.33 m = 14521.90 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 80.55 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 956.60 mb = 499.92 m = 1640.15 ft T: 25.08 C 700-500 lapse rate: 4.74 C/km ThetaE index: 10.06 C Layer 752.0- 550.0 mb Conv cond level (CCL): 856.59 mb = 1462.94 m = 4799.62 ft Mean mixing ratio: 15.87 g/kg Conv temperature: 32.79 C = 91.03 F Cap Strength: 2.47 C Lifted Index: -1.26 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.34 C Lifted Index @700 mb: -2.02 C Showalter Index: 0.38 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.20 C K Index: 38.20 Risk: > 80 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 341.33 J/kg Max Up Vert Vel: 26.13 m/s Conv Inhibition (B-): 58.88 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 896.40 mb = 1068.59 m = 3505.84 ft Lev Free Conv (LFC): 831.40 mb = 1719.35 m = 5640.84 ft Equ Level (EL): 421.40 mb = 7220.50 m = 23689.00 ft B at Equ Level: 268.30 J/kg Max Parcel Lev (MPL): 141.40 mb = 14630.78 m = 48000.67 ft Wind level data Storm motion: 114 at 9 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 1012 6 270 1 1.0 -0.0 | 292 10 9.5 -3.8 1 1000 108 275 3 3.0 -0.3 | 290 12 11.5 -4.1 2 925 796 65 15 -13.6 -6.3 | 27 11 -5.1 -10.1 3 850 1530 80 15 -14.8 -2.6 | 45 9 -6.3 -6.4 4 700 3167 70 13 -12.2 -4.4 | 24 9 -3.7 -8.3 5 500 5890 130 11 -8.4 7.1 | 181 3 0.0 3.3 6 400 7620 70 3 -2.8 -1.0 | 311 7 5.6 -4.8 7 300 9730 245 3 2.7 1.3 | 283 11 11.2 -2.5 8 250 11010 290 5 4.7 -1.7 | 293 14 13.2 -5.5 9 200 12490 205 5 2.1 4.5 | 266 11 10.6 0.7 10 150 14280 205 19 8.0 17.2 | 231 21 16.5 13.4 11 102 16537 215 17 9.8 13.9 | 241 21 18.2 10.1 12 100 16650 215 13 7.5 10.6 | 247 17 15.9 6.8 Wind Parameters Mean winds (0-6000m): 84.2 at 12.4 knts Storm direction: 114.2 at 9.3 knts Shear (0-3000m) pos: 2.7 neg: 0.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 100.7 neg: -7.9 tot: 92.8 m^2/s^2 ave: 30.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.2 10^-3/s Energy-Hel index: 0.21 Bulk Rich Number: 11.86 Bulk Shear: 28.77 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 ------------------------------------------------------------------------------- 500 340 6 311 14| 10.3 0.0 10.3| 42.5 -1.3 41.2 82.4 0.72| 14.4 10.4 1000 61 10 359 8| 8.2 0.0 8.2| 95.1 -1.3 93.8 93.8 0.83| 15.3 12.8 1500 68 11 14 8| 5.5 0.0 5.5|100.7 -1.3 99.4 66.3 0.83| 11.1 9.3 2000 71 12 22 8| 4.1 0.2 4.3|100.7 -3.3 97.4 48.7 0.78| 8.6 6.7 2500 72 13 25 8| 3.3 0.4 3.7|100.7 -5.6 95.1 38.0 0.73| 7.1 5.2 3000 73 13 26 8| 2.7 0.5 3.2|100.7 -7.9 92.8 30.9 0.69| 6.0 4.2 4000 74 13 27 8| 2.0 0.4 2.4|105.1 -8.3 96.8 24.2 0.67| 5.1 3.4 5000 79 13 32 7| 1.6 0.3 1.9|108.5 -8.3 100.1 20.0 0.67| 4.6 3.1 6000 84 12 37 6| 1.2 0.2 1.4|110.8 -8.3 102.4 17.1 0.68| 4.2 2.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251019.12.gif