UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061900.upa.cvt Date: 0000Z 19 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 19 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 1003 6 29.8 27.2 86 2.6 27.9 120 1 302.7 307.0 300.9 371.8 23.19 1 1000 35 29.4 26.9 86 2.5 27.5 135 3 302.5 306.8 300.7 370.6 22.84 2 968 325 26.8 25.9 95 0.9 26.2 170 9 302.8 306.9 300.4 368.9 22.22 3 963 371 26.6 25.5 94 1.1 25.8 176 10 303.0 307.0 300.2 367.9 21.80 4 938 605 28.6 19.6 58 9.0 22.1 205 14 307.3 310.2 297.5 354.0 15.49 5 925 730 27.8 19.8 62 8.0 22.1 220 17 307.7 310.7 297.8 355.8 15.91 6 850 1474 21.4 17.4 78 4.0 18.6 250 19 308.6 311.4 297.4 353.6 14.87 7 840 1577 20.6 17.1 80 3.5 18.1 249 19 308.8 311.5 297.4 353.5 14.76 8 741 2652 13.4 13.4 100 0.0 13.4 236 16 312.2 314.7 297.2 352.6 13.16 9 700 3131 10.4 9.7 95 0.7 10.0 230 15 314.0 316.1 296.1 347.7 10.87 10 646 3797 7.2 6.9 98 0.3 7.0 230 13 317.7 319.5 296.3 348.3 9.72 11 643 3835 7.4 6.1 91 1.3 6.6 230 13 318.3 320.1 296.1 347.5 9.23 12 514 5651 -2.1 -2.1 100 0.0 -2.1 230 8 327.9 329.2 296.4 349.0 6.40 13 500 5870 -3.5 -3.5 100 0.0 -3.5 230 7 328.8 330.0 296.3 348.5 5.92 14 474 6292 -5.1 -7.9 81 2.8 -6.4 261 5 331.9 332.8 296.0 347.0 4.46 15 407 7477 -11.3 -13.5 84 2.2 -12.2 350 1 338.6 339.3 296.7 350.3 3.32 16 400 7610 -12.3 -14.5 84 2.2 -13.2 0 0 339.0 339.6 296.6 350.0 3.11 17 345 8726 -19.1 -22.6 74 3.5 -20.2 303 1 344.4 344.8 296.8 351.1 1.81 18 300 9750 -27.1 -29.7 79 2.6 -27.7 250 1 347.2 347.4 296.9 351.3 1.09 19 251 11012 -36.3 -39.0 76 2.7 -36.7 79 19 351.7 351.8 297.4 353.8 0.52 20 250 11040 -36.5 -39.1 77 2.6 -36.8 75 19 351.8 351.9 297.5 353.9 0.52 21 238 11380 -38.1 -41.3 72 3.2 -38.5 74 20 354.4 354.5 297.9 356.1 0.43 22 200 12550 -48.5 -51.3 73 2.8 -48.7 70 25 356.0 356.0 298.0 356.7 0.17 23 180 13232 -54.9 -58.5 64 3.6 -55.0 63 27 356.4 356.4 298.1 356.8 0.08 24 150 14370 -64.7 -69.4 52 4.7 -64.8 50 31 358.6 358.6 298.4 358.7 0.02 25 145 14576 -66.7 -71.7 49 5.0 -66.7 49 34 358.6 358.6 298.4 358.7 0.02 26 113 16038 -79.9 -83.4 56 3.5 -79.9 45 56 360.5 360.5 298.8 360.5 0.00 27 110 16191 -80.0 -83.7 54 3.7 -80.0 45 58 363.1 363.1 299.3 363.2 0.00 28 100 16730 -80.3 -84.6 49 4.3 -80.3 60 38 372.6 372.6 301.0 372.6 0.00 TRP 113 16038 -79.9 -83.4 56 3.5 -79.9 45 56 360.5 360.5 298.8 360.5 0.00 WND 110 16191 -80.0 -83.7 54 3.7 -80.0 45 58 363.1 363.1 299.3 363.2 0.00 Sounding variables and indices 1000-500 mb thick: 5835.00 m Freezing level: 542.52 mb = 5249.29 m = 17221.89 ft Wetbulb zero: 545.08 mb = 5174.55 m = 16976.67 ft Precipitable water: 2.79 inches Sfc-500 mean rel hum: 89.99 % Est. max temperature: 35.65 C = 96.16 F Sfc-Lift cond lev (LCL): 966.60 mb = 338.11 m = 1109.29 ft T: 26.74 C 700-500 lapse rate: 5.07 C/km ThetaE index: 17.79 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 848.75 mb = 1486.79 m = 4877.88 ft Mean mixing ratio: 19.09 g/kg Conv temperature: 35.70 C = 96.27 F Cap Strength: 2.88 C Lifted Index: -4.57 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.97 C Lifted Index @700 mb: -3.33 C Showalter Index: -1.82 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.90 C K Index: 41.60 Risk: > 80 % chance of thunderstorms Sweat Index: 253.80 Risk: None Energy Index: -1.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1907.90 J/kg Max Up Vert Vel: 61.77 m/s Conv Inhibition (B-): 68.48 J/kg Cap Strength: 2.88 C Lift Cond Lev (LCL): 891.72 mb = 1052.40 m = 3452.71 ft Lev Free Conv (LFC): 816.72 mb = 1817.84 m = 5963.95 ft Equ Level (EL): 106.72 mb = 16361.87 m = 53680.01 ft B at Equ Level: 1853.78 J/kg Wind level data Storm motion: 263 at 10 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 1003 6 120 1 -0.9 0.5 | 87 11 -10.7 -0.6 1 1000 35 135 3 -2.1 2.1 | 95 12 -12.0 1.0 2 925 730 220 17 10.9 13.0 | 185 12 1.1 11.9 3 850 1474 250 19 17.9 6.5 | 236 10 8.0 5.4 4 700 3131 230 15 11.5 9.6 | 191 9 1.6 8.5 5 500 5870 230 7 5.4 4.5 | 127 6 -4.5 3.4 6 400 7610 0 0 -0.0 -0.0 | 83 10 -9.9 -1.1 7 300 9750 250 1 0.9 0.3 | 85 9 -8.9 -0.8 8 250 11040 75 19 -18.4 -4.9 | 78 29 -28.2 -6.0 9 200 12550 70 25 -23.5 -8.6 | 74 35 -33.3 -9.7 10 150 14370 50 31 -23.7 -19.9 | 58 40 -33.6 -21.1 11 113 16038 45 56 -39.6 -39.6 | 51 64 -49.5 -40.7 12 110 16191 45 58 -41.0 -41.0 | 50 66 -50.9 -42.1 13 100 16730 60 38 -32.9 -19.0 | 65 47 -42.8 -20.1 Wind Parameters Mean winds (0-6000m): 233.5 at 13.2 knts Storm direction: 263.5 at 9.9 knts Shear (0-3000m) pos: 3.4 neg: 1.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 107.5 deg Storm rel helicity (0-3000m) pos: 99.3 neg: -15.2 tot: 84.1 m^2/s^2 ave: 28.0 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.2 10^-3/s Energy-Hel index: 1.18 Bulk Rich Number: 132.93 Bulk Shear: 14.35 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 ------------------------------------------------------------------------------- 500 182 7 123 12| 12.6 0.0 12.6| 46.8 0.0 46.8 93.7 0.95| 14.9 14.1 1000 217 12 161 9| 9.3 0.0 9.3| 83.6 0.0 83.6 83.6 0.96| 13.5 13.0 1500 228 14 184 8| 6.7 0.0 6.7| 99.3 0.0 99.3 66.2 0.96| 11.1 10.7 2000 234 15 197 8| 5.0 0.6 5.6| 99.3 -5.4 93.9 46.9 0.84| 8.9 7.4 2500 236 16 201 8| 4.0 0.9 4.9| 99.3 -10.5 88.8 35.5 0.73| 7.6 5.5 3000 236 16 202 8| 3.4 1.1 4.5| 99.3 -15.2 84.1 28.0 0.64| 6.7 4.2 4000 235 15 198 8| 2.5 1.1 3.6| 99.3 -20.0 79.3 19.8 0.54| 5.4 2.9 5000 234 14 193 8| 2.0 1.1 3.1| 99.3 -24.3 75.0 15.0 0.44| 4.6 2.0 6000 233 13 187 7| 1.6 1.0 2.6| 99.3 -29.2 70.1 11.7 0.34| 4.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250619.00.gif