UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070400.upa.cvt Date: 0000Z 4 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 4 JUL 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 1006 6 27.0 24.6 87 2.4 25.2 0 0 299.6 303.2 298.2 357.4 19.71 1 1000 62 26.6 24.6 89 2.0 25.2 350 1 299.8 303.4 298.3 357.9 19.84 2 925 749 23.0 19.8 82 3.2 20.7 45 3 302.8 305.8 296.6 349.9 15.91 3 867 1313 19.4 18.0 92 1.4 18.4 99 5 304.7 307.5 296.6 350.0 15.15 4 850 1484 18.6 16.4 87 2.2 17.1 115 5 305.6 308.2 296.0 347.4 13.94 5 765 2384 14.2 13.3 94 0.9 13.6 107 6 310.2 312.6 296.4 348.9 12.66 6 700 3133 11.4 7.7 78 3.7 9.1 100 7 315.1 316.9 295.4 344.7 9.47 7 597 4447 5.0 0.0 70 5.0 2.2 105 8 322.4 323.6 295.1 343.2 6.42 8 553 5067 1.0 -5.0 64 6.0 -2.0 107 8 324.8 325.7 294.4 340.5 4.77 9 510 5713 -2.9 -6.2 78 3.3 -4.5 109 9 327.6 328.6 295.1 343.4 4.72 10 500 5870 -3.7 -8.7 68 5.0 -6.0 110 9 328.5 329.3 294.8 341.9 3.97 11 470 6357 -5.9 -14.9 49 9.0 -9.5 125 8 331.7 332.2 294.4 340.5 2.56 12 451 6678 -8.5 -11.6 78 3.1 -9.8 135 7 332.3 333.0 295.4 344.3 3.49 13 406 7487 -12.9 -24.9 36 12.0 -16.4 161 5 336.8 337.0 294.6 341.4 1.25 14 400 7600 -13.9 -22.9 47 9.0 -16.7 165 5 336.9 337.2 294.9 342.4 1.52 15 380 7988 -16.7 -25.7 46 9.0 -19.2 195 4 338.2 338.5 295.0 342.8 1.24 16 378 8028 -16.9 -21.1 70 4.2 -18.2 198 4 338.5 338.8 295.6 345.2 1.88 17 376 8067 -16.9 -26.9 42 10.0 -19.6 202 4 339.0 339.2 295.1 343.1 1.12 18 374 8107 -17.1 -19.9 79 2.8 -18.0 205 4 339.2 339.7 295.9 346.8 2.11 19 370 8188 -17.5 -24.5 54 7.0 -19.5 211 4 339.7 340.0 295.5 345.0 1.42 20 366 8269 -18.1 -20.8 79 2.7 -19.0 217 4 340.0 340.4 296.0 347.2 1.99 21 363 8331 -18.5 -23.5 65 5.0 -20.0 222 4 340.3 340.6 295.7 346.1 1.58 22 354 8518 -19.7 -21.9 83 2.2 -20.4 237 3 341.1 341.5 296.2 347.9 1.87 23 336 8904 -21.5 -26.1 66 4.6 -22.7 268 3 343.8 344.1 296.4 348.8 1.35 24 300 9730 -27.9 -32.9 62 5.0 -28.9 335 1 346.1 346.2 296.4 349.1 0.80 25 276 10322 -32.3 -38.3 55 6.0 -33.1 253 2 348.1 348.2 296.7 350.1 0.51 26 250 11010 -38.3 -42.7 63 4.4 -38.8 155 3 349.1 349.2 296.7 350.6 0.35 27 215 12033 -47.5 -50.5 71 3.0 -47.7 50 1 350.2 350.3 296.8 351.0 0.17 28 200 12510 -51.1 -54.6 66 3.5 -51.2 0 0 351.8 351.9 297.1 352.3 0.12 29 172 13468 -59.5 -62.8 65 3.3 -59.6 71 2 353.5 353.5 297.4 353.7 0.05 30 150 14310 -65.3 -72.3 37 7.0 -65.4 135 3 357.6 357.6 298.2 357.7 0.01 31 147 14433 -66.1 -74.1 32 8.0 -66.2 132 4 358.3 358.3 298.4 358.3 0.01 32 121 15593 -73.9 -79.9 39 6.0 -73.9 104 15 364.5 364.5 299.6 364.5 0.01 33 102 16585 -76.1 -83.1 32 7.0 -76.1 80 25 378.5 378.5 302.0 378.6 0.00 34 100 16700 -75.1 -84.1 23 9.0 -75.2 75 29 382.6 382.6 302.6 382.6 0.00 TRP 102 16585 -76.1 -83.1 32 7.0 -76.1 80 25 378.5 378.5 302.0 378.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 541.97 mb = 5232.70 m = 17167.43 ft Wetbulb zero: 574.18 mb = 4762.48 m = 15624.76 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 79.97 % Est. max temperature: 32.69 C = 90.84 F Sfc-Lift cond lev (LCL): 972.02 mb = 312.05 m = 1023.76 ft T: 25.29 C 700-500 lapse rate: 5.52 C/km ThetaE index: 8.33 C Layer 700.0- 510.0 mb Conv cond level (CCL): 887.84 mb = 1106.02 m = 3628.63 ft Mean mixing ratio: 17.57 g/kg Conv temperature: 31.41 C = 88.55 F Cap Strength: 1.38 C Lifted Index: -1.96 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.35 C Lifted Index @700 mb: -0.10 C Showalter Index: 0.21 C Risk: Thunderstorms probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.10 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 215.80 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 520.13 J/kg Max Up Vert Vel: 32.25 m/s Conv Inhibition (B-): 16.26 J/kg Cap Strength: 1.38 C Lift Cond Lev (LCL): 920.36 mb = 792.80 m = 2601.00 ft Lev Free Conv (LFC): 835.36 mb = 1632.44 m = 5355.71 ft Equ Level (EL): 175.36 mb = 13345.42 m = 43783.64 ft B at Equ Level: 517.20 J/kg Max Parcel Lev (MPL): 115.36 mb = 15870.08 m = 52066.56 ft Wind level data Storm motion: 133 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 1006 6 0 0 -0.0 -0.0 | 313 5 3.4 -3.2 1 1000 62 350 1 0.2 -1.0 | 319 6 3.6 -4.2 2 925 749 45 3 -2.1 -2.1 | 346 6 1.3 -5.3 3 850 1484 115 5 -4.5 2.1 | 45 2 -1.1 -1.1 4 700 3133 100 7 -6.9 1.2 | 60 4 -3.5 -2.0 5 500 5870 110 9 -8.5 3.1 | 88 5 -5.0 -0.1 6 400 7600 165 5 -1.3 4.8 | 233 3 2.1 1.6 7 300 9730 335 1 0.4 -0.9 | 317 6 3.9 -4.1 8 250 11010 155 3 -1.3 2.7 | 283 2 2.2 -0.5 9 200 12510 0 0 -0.0 -0.0 | 313 5 3.4 -3.2 10 150 14310 135 3 -2.1 2.1 | 310 2 1.3 -1.1 11 102 16585 80 25 -24.6 -4.3 | 70 22 -21.2 -7.6 12 100 16700 75 29 -28.0 -7.5 | 66 27 -24.6 -10.7 Wind Parameters Mean winds (0-6000m): 103.1 at 6.3 knts Storm direction: 133.1 at 4.7 knts Shear (0-3000m) pos: 0.9 neg: 0.4 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 106.8 deg Storm rel helicity (0-3000m) pos: 8.6 neg: 0.0 tot: 8.6 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 1.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 94.70 Bulk Shear: 5.49 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 14 2 327 6| 2.4 0.0 2.4| 3.2 0.0 3.2 6.3 0.81| 2.7 2.2 1000 42 2 339 5| 1.9 0.0 1.9| 6.5 0.0 6.5 6.5 0.83| 2.8 2.3 1500 72 3 352 4| 1.7 0.0 1.7| 8.3 0.0 8.3 5.5 0.74| 3.1 2.3 2000 89 4 2 3| 1.3 0.2 1.5| 8.4 0.0 8.4 4.2 0.72| 2.5 1.8 2500 96 4 12 3| 1.0 0.3 1.3| 8.5 0.0 8.5 3.4 0.68| 2.2 1.5 3000 98 4 21 3| 0.9 0.4 1.3| 8.6 0.0 8.6 2.9 0.64| 1.9 1.2 4000 99 5 34 3| 0.8 0.3 1.0| 9.4 -0.0 9.4 2.3 0.65| 1.6 1.0 5000 101 6 46 3| 0.7 0.2 0.9| 10.3 -0.0 10.3 2.1 0.66| 1.4 0.9 6000 103 6 56 3| 0.6 0.2 0.8| 11.8 -0.0 11.8 2.0 0.68| 1.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250704.00.gif