UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062600.upa.cvt Date: 0000Z 26 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 26 JUN 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 1005 6 29.0 25.9 83 3.1 26.7 135 1 301.7 305.6 299.7 365.0 21.37 1 1000 52 28.2 25.6 86 2.6 26.3 125 1 301.4 305.2 299.4 363.7 21.09 2 956 451 24.2 23.9 98 0.3 24.0 142 6 301.2 304.9 298.7 359.9 19.90 3 925 741 23.2 21.8 92 1.4 22.2 155 9 303.0 306.4 298.0 356.6 18.05 4 875 1226 21.4 17.8 80 3.6 18.9 178 10 306.0 308.8 296.7 350.5 14.82 5 850 1478 20.6 15.9 74 4.7 17.4 190 11 307.7 310.3 296.3 348.5 13.49 6 731 2769 14.4 6.4 59 8.0 9.5 229 6 314.5 316.1 294.4 340.4 8.28 7 700 3135 12.2 4.2 58 8.0 7.5 240 5 316.0 317.4 294.1 339.3 7.41 8 692 3231 11.8 1.8 50 10.0 6.1 246 5 316.6 317.8 293.4 336.6 6.31 9 660 3626 8.8 4.3 73 4.5 6.1 270 6 317.5 319.1 294.9 342.6 7.92 10 596 4465 3.8 -2.2 65 6.0 0.6 321 7 321.1 322.2 294.0 338.9 5.47 11 583 4644 3.4 -8.6 41 12.0 -2.1 332 7 322.7 323.4 292.8 334.1 3.43 12 563 4927 2.0 -2.7 71 4.7 -0.5 350 8 324.3 325.4 294.9 342.6 5.58 13 550 5116 1.8 -11.2 37 13.0 -3.9 2 8 326.2 326.8 293.4 336.2 2.95 14 534 5354 0.0 -8.0 55 8.0 -3.8 17 8 326.8 327.6 294.3 340.0 3.92 15 519 5583 -0.7 -24.7 14 24.0 -8.4 31 9 328.7 328.9 292.3 332.2 0.99 16 506 5785 -2.7 -8.7 63 6.0 -5.5 44 9 328.6 329.4 294.8 341.8 3.92 17 502 5848 -2.5 -20.5 24 18.0 -8.8 48 9 329.6 329.9 293.0 334.9 1.49 18 500 5880 -2.3 -19.3 26 17.0 -8.5 50 9 330.2 330.6 293.3 336.1 1.66 19 499 5896 -2.3 -14.3 39 12.0 -7.2 50 9 330.4 330.9 294.1 339.2 2.53 20 493 5991 -3.1 -8.1 68 5.0 -5.5 50 9 330.6 331.4 295.5 344.9 4.22 21 449 6722 -7.7 -20.7 34 13.0 -12.1 50 12 333.8 334.1 294.2 339.6 1.64 22 439 6896 -8.5 -17.5 48 9.0 -11.8 50 12 334.9 335.4 295.0 342.7 2.20 23 400 7610 -12.5 -28.5 25 16.0 -16.8 50 15 338.7 338.9 294.8 342.1 0.91 24 391 7784 -13.7 -29.7 25 16.0 -17.8 50 16 339.4 339.6 294.9 342.5 0.83 25 374 8121 -16.3 -25.3 46 9.0 -18.8 50 17 340.3 340.6 295.6 345.1 1.31 26 350 8619 -18.9 -34.9 23 16.0 -22.2 50 19 343.3 343.4 295.6 345.5 0.56 27 340 8835 -20.9 -31.9 37 11.0 -23.3 50 20 343.4 343.6 295.8 346.4 0.78 28 313 9442 -25.9 -39.9 26 14.0 -28.0 50 22 344.7 344.8 295.8 346.2 0.38 29 300 9750 -26.7 -48.7 11 22.0 -29.3 50 23 347.8 347.8 296.3 348.4 0.15 30 293 9920 -27.3 -51.3 8 24.0 -29.9 50 23 349.3 349.3 296.5 349.7 0.12 31 253 10957 -35.9 -61.9 5 26.0 -37.4 50 25 351.5 351.5 297.0 351.7 0.04 32 250 11040 -36.5 -60.5 7 24.0 -37.9 50 25 351.8 351.8 297.1 352.0 0.04 33 221 11880 -44.3 -61.3 13 17.0 -45.0 42 27 352.4 352.4 297.2 352.6 0.05 34 210 12219 -47.3 -54.3 45 7.0 -47.6 38 28 352.9 352.9 297.4 353.4 0.11 35 204 12410 -48.7 -65.7 12 17.0 -49.2 36 29 353.6 353.6 297.4 353.8 0.03 36 200 12540 -49.9 -63.9 18 14.0 -50.3 35 29 353.8 353.8 297.5 353.9 0.04 37 198 12606 -50.5 -67.5 12 17.0 -50.9 36 29 353.8 353.8 297.5 353.9 0.02 38 188 12942 -53.5 -68.5 14 15.0 -53.8 41 31 354.3 354.3 297.5 354.3 0.02 39 150 14360 -64.3 -75.3 21 11.0 -64.4 65 40 359.3 359.3 298.6 359.4 0.01 40 113 16035 -77.9 -81.7 54 3.8 -77.9 69 40 364.3 364.3 299.5 364.3 0.00 41 108 16293 -78.9 -83.0 51 4.1 -78.9 70 40 367.1 367.1 300.1 367.1 0.00 42 100 16730 -79.3 -85.3 37 6.0 -79.3 75 38 374.5 374.5 301.4 374.5 0.00 TRP 108 16293 -78.9 -83.0 51 4.1 -78.9 70 40 367.1 367.1 300.1 367.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5828.00 m Freezing level: 534.00 mb = 5354.20 m = 17566.07 ft Wetbulb zero: 593.14 mb = 4503.89 m = 14776.38 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 65.93 % Est. max temperature: 34.67 C = 94.40 F Sfc-Lift cond lev (LCL): 961.44 mb = 400.78 m = 1314.87 ft T: 24.70 C 700-500 lapse rate: 5.28 C/km ThetaE index: 28.42 C Layer 1000.0- 660.0 mb Conv cond level (CCL): 912.50 mb = 859.78 m = 2820.77 ft Mean mixing ratio: 19.40 g/kg Conv temperature: 31.04 C = 87.87 F Cap Strength: 0.72 C Lifted Index: -2.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.22 C Lifted Index @700 mb: -0.83 C Showalter Index: 1.20 C Risk: Showers probable Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 18.20 C K Index: 30.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 221.80 Risk: None Energy Index: -2.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1269.50 J/kg Max Up Vert Vel: 50.39 m/s Conv Inhibition (B-): 24.53 J/kg Cap Strength: 0.68 C Lift Cond Lev (LCL): 935.70 mb = 639.84 m = 2099.18 ft Lev Free Conv (LFC): 750.70 mb = 2541.73 m = 8338.91 ft Equ Level (EL): 140.70 mb = 14738.34 m = 48353.55 ft B at Equ Level: 1256.80 J/kg Wind level data Storm motion: 204 at 6 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 1005 6 135 1 -0.7 0.7 | 34 5 -3.0 -4.4 1 1000 52 125 1 -0.8 0.6 | 34 5 -3.1 -4.5 2 925 741 155 9 -3.8 8.2 | 117 7 -6.1 3.1 3 850 1478 190 11 1.9 10.8 | 177 6 -0.3 5.7 4 700 3135 240 5 4.3 2.5 | 321 3 2.1 -2.6 5 500 5880 50 9 -6.9 -5.8 | 40 14 -9.1 -10.9 6 400 7610 50 15 -11.5 -9.6 | 43 20 -13.7 -14.7 7 300 9750 50 23 -17.6 -14.8 | 45 28 -19.9 -19.9 8 250 11040 50 25 -19.2 -16.1 | 45 30 -21.4 -21.2 9 200 12540 35 29 -16.6 -23.8 | 33 34 -18.9 -28.8 10 150 14360 65 40 -36.3 -16.9 | 60 44 -38.5 -22.0 11 108 16293 70 40 -37.6 -13.7 | 65 44 -39.8 -18.8 12 100 16730 75 38 -36.7 -9.8 | 69 42 -39.0 -14.9 Wind Parameters Mean winds (0-6000m): 173.9 at 7.4 knts Storm direction: 203.9 at 5.6 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -82.4 deg Storm rel helicity (0-3000m) pos: 29.5 neg: 0.0 tot: 29.5 m^2/s^2 ave: 9.8 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.8 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 402.85 Bulk Shear: 3.15 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 ------------------------------------------------------------------------------- 500 142 3 61 5| 5.4 0.0 5.4| 7.8 0.0 7.8 15.7 0.99| 5.6 5.6 1000 156 6 94 5| 4.6 0.0 4.6| 16.2 0.0 16.2 16.2 0.98| 5.5 5.4 1500 168 7 120 4| 3.6 0.0 3.6| 22.9 0.0 22.9 15.3 0.98| 5.2 5.1 2000 177 8 138 4| 2.3 0.0 2.3| 25.8 0.0 25.8 12.9 0.94| 4.7 4.4 2500 183 8 150 3| 1.5 0.0 1.5| 27.8 0.0 27.8 11.1 0.94| 4.3 4.1 3000 187 8 155 3| 1.0 0.0 1.0| 29.5 0.0 29.5 9.8 0.94| 4.0 3.8 4000 199 7 182 2| 0.9 0.0 0.9| 33.0 0.0 33.0 8.2 0.83| 3.8 3.1 5000 205 7 208 2| 0.9 0.0 0.9| 50.9 0.0 50.9 10.2 0.82| 3.8 3.1 6000 174 7 127 4| 0.8 0.0 0.8| 79.9 0.0 79.9 13.3 0.84| 3.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250626.00.gif