UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052512.upa.cvt Date: 1200Z 25 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 25 MAY 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 1014 6 24.8 17.8 65 7.0 20.1 45 1 296.8 299.1 292.7 333.6 12.74 1 1000 124 23.8 17.8 69 6.0 19.7 20 3 297.0 299.3 292.9 334.3 12.93 2 956 516 20.0 16.3 79 3.7 17.5 17 15 296.9 299.2 292.4 332.5 12.28 3 925 800 18.4 14.9 80 3.5 16.1 15 23 298.1 300.2 292.2 331.8 11.59 4 863 1393 15.4 13.8 90 1.6 14.4 359 16 301.0 303.1 293.0 335.0 11.57 5 857 1452 16.0 14.3 90 1.7 14.9 357 16 302.2 304.4 293.8 337.8 12.04 6 850 1522 15.6 14.2 91 1.4 14.7 355 15 302.5 304.7 293.9 338.2 12.07 7 812 1910 14.2 14.2 100 0.0 14.2 318 15 305.0 307.3 295.0 342.7 12.64 8 700 3158 10.0 8.4 90 1.6 9.0 200 13 313.6 315.5 295.4 344.4 9.94 9 699 3170 10.2 8.0 86 2.2 8.8 200 13 313.9 315.8 295.3 344.0 9.68 10 642 3871 5.0 5.0 100 0.0 5.0 200 14 315.7 317.4 294.9 342.6 8.56 11 624 4103 5.2 0.5 72 4.7 2.6 200 14 318.5 319.8 294.0 338.9 6.37 12 615 4221 4.6 1.6 81 3.0 2.9 200 15 319.2 320.5 294.7 341.6 7.01 13 613 4248 5.4 -2.6 56 8.0 1.2 200 15 320.4 321.4 293.6 337.1 5.16 14 602 4396 5.0 -12.0 28 17.0 -2.3 200 15 321.6 322.1 291.7 330.1 2.53 15 592 4532 3.8 -8.2 41 12.0 -1.8 200 15 321.7 322.4 292.6 333.2 3.48 16 586 4615 3.8 -16.2 22 20.0 -4.0 200 15 322.7 323.0 291.4 329.0 1.84 17 580 4698 3.2 -4.8 56 8.0 -0.9 200 15 322.9 323.8 293.9 338.1 4.62 18 569 4854 2.8 -17.2 21 20.0 -4.8 200 15 324.2 324.6 291.7 330.2 1.74 19 562 4954 2.2 -14.8 27 17.0 -4.7 200 16 324.7 325.1 292.3 332.0 2.16 20 553 5084 1.0 -3.1 74 4.1 -1.2 200 16 324.8 325.9 295.0 342.9 5.51 21 547 5172 1.2 -21.8 16 23.0 -6.7 200 16 326.0 326.3 291.8 330.3 1.22 22 513 5686 -1.1 -26.1 13 25.0 -8.8 200 17 329.3 329.4 292.4 332.5 0.89 23 500 5890 -2.7 -18.7 28 16.0 -8.5 200 17 329.7 330.1 293.3 335.9 1.75 24 498 5922 -2.9 -14.9 39 12.0 -7.7 200 17 329.9 330.4 293.9 338.2 2.41 25 495 5970 -2.9 -22.9 20 20.0 -9.5 201 17 330.5 330.7 293.0 334.8 1.22 26 479 6230 -3.5 -34.5 7 31.0 -11.3 205 17 332.8 332.9 292.9 334.5 0.43 27 477 6263 -3.5 -38.5 5 35.0 -11.5 205 17 333.2 333.3 292.9 334.3 0.29 28 423 7201 -9.9 -33.9 12 24.0 -15.6 219 16 336.7 336.8 294.0 338.7 0.51 29 411 7422 -11.1 -24.1 33 13.0 -15.1 222 15 337.9 338.2 295.0 342.8 1.33 30 409 7460 -11.7 -16.2 69 4.5 -13.4 223 15 337.6 338.2 296.0 347.0 2.64 31 405 7535 -11.9 -30.9 19 19.0 -16.7 224 15 338.3 338.5 294.6 341.0 0.72 32 402 7592 -12.1 -19.1 56 7.0 -14.6 224 15 338.8 339.2 295.8 346.3 2.10 33 400 7630 -12.1 -22.1 43 10.0 -15.3 225 15 339.3 339.6 295.6 345.2 1.63 34 393 7765 -13.3 -17.8 69 4.5 -14.9 227 15 339.4 339.9 296.2 348.0 2.40 35 385 7921 -14.1 -19.1 66 5.0 -15.9 229 16 340.4 340.8 296.3 348.3 2.19 36 379 8040 -14.3 -41.3 8 27.0 -19.3 231 16 341.6 341.7 295.0 342.7 0.27 37 376 8100 -14.7 -43.7 7 29.0 -19.7 231 16 341.9 341.9 295.0 342.7 0.21 38 370 8222 -15.3 -44.3 6 29.0 -20.3 233 16 342.7 342.7 295.1 343.5 0.20 39 363 8366 -16.3 -35.3 18 19.0 -20.4 235 16 343.2 343.3 295.6 345.2 0.52 40 361 8407 -16.5 -23.5 55 7.0 -18.6 236 16 343.5 343.8 296.5 349.4 1.59 41 355 8533 -17.7 -23.7 59 6.0 -19.5 237 17 343.5 343.8 296.5 349.4 1.59 42 326 9165 -22.1 -32.1 40 10.0 -24.3 246 18 345.9 346.1 296.4 349.0 0.79 43 307 9603 -25.5 -31.5 57 6.0 -26.8 253 19 347.1 347.3 296.8 350.6 0.89 44 305 9650 -25.7 -35.7 39 10.0 -27.5 253 19 347.5 347.6 296.6 349.9 0.60 45 302 9722 -26.3 -34.3 47 8.0 -27.8 254 19 347.7 347.8 296.7 350.4 0.69 46 300 9770 -26.5 -37.5 35 11.0 -28.3 255 19 348.0 348.1 296.7 350.0 0.51 47 289 10039 -28.3 -39.3 34 11.0 -30.0 263 19 349.2 349.3 296.8 351.0 0.44 48 283 10189 -29.5 -37.5 46 8.0 -30.8 268 20 349.6 349.7 297.0 351.7 0.54 49 276 10367 -30.9 -45.9 22 15.0 -32.6 273 20 350.1 350.1 296.8 351.0 0.23 50 250 11060 -36.7 -45.7 39 9.0 -37.6 295 21 351.5 351.6 297.2 352.6 0.26 51 243 11256 -38.5 -45.5 48 7.0 -39.2 295 22 351.7 351.7 297.3 352.8 0.27 52 220 11930 -44.5 -52.5 41 8.0 -45.0 295 23 352.6 352.6 297.3 353.1 0.13 53 215 12083 -45.7 -60.7 17 15.0 -46.3 295 24 353.0 353.0 297.3 353.2 0.05 54 200 12560 -49.7 -62.7 20 13.0 -50.1 295 25 354.1 354.1 297.5 354.2 0.04 55 155 14179 -64.3 -70.3 44 6.0 -64.4 322 44 356.0 356.0 297.9 356.0 0.02 56 150 14380 -65.7 -71.7 43 6.0 -65.8 325 46 356.9 356.9 298.1 357.0 0.02 57 148 14461 -66.3 -71.3 49 5.0 -66.4 324 45 357.2 357.2 298.2 357.3 0.02 58 140 14796 -67.5 -80.5 14 13.0 -67.6 318 40 360.9 360.9 298.9 360.9 0.00 59 100 16760 -78.9 -84.9 37 6.0 -78.9 285 11 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 529.26 mb = 5439.83 m = 17847.01 ft Wetbulb zero: 609.27 mb = 4297.70 m = 14099.89 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 71.15 % Est. max temperature: 28.97 C = 84.15 F Sfc-Lift cond lev (LCL): 915.32 mb = 889.90 m = 2919.59 ft T: 17.95 C 700-500 lapse rate: 4.65 C/km ThetaE index: 2.49 C Layer 956.0- 863.0 mb Conv cond level (CCL): 787.50 mb = 2167.95 m = 7112.62 ft Mean mixing ratio: 12.31 g/kg Conv temperature: 34.81 C = 94.66 F Cap Strength: 7.49 C Lifted Index: 7.12 C Risk: None Lifted Index @300 mb: 11.92 C Lifted Index @700 mb: 4.65 C Showalter Index: 4.84 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 18.30 C Cross Totals Index: 16.90 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 217.40 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.04 J/kg Max Up Vert Vel: 3.48 m/s Conv Inhibition (B-): 6871.58 J/kg Cap Strength: 7.48 C Lift Cond Lev (LCL): 901.43 mb = 1020.54 m = 3348.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 11 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 1014 6 45 1 -0.7 -0.7 | 70 12 -11.2 -4.2 1 1000 124 20 3 -1.0 -2.8 | 61 13 -11.5 -6.3 2 925 800 15 23 -6.0 -22.2 | 33 31 -16.5 -25.7 3 850 1522 355 15 1.3 -14.9 | 27 21 -9.2 -18.4 4 700 3158 200 13 4.4 12.2 | 145 11 -6.1 8.7 5 500 5890 200 17 5.8 16.0 | 159 13 -4.7 12.5 6 400 7630 225 15 10.6 10.6 | 181 7 0.1 7.1 7 300 9770 255 19 18.4 4.9 | 260 8 7.8 1.4 8 250 11060 295 21 19.0 -8.9 | 325 15 8.5 -12.4 9 200 12560 295 25 22.7 -10.6 | 319 19 12.1 -14.1 10 150 14380 325 46 26.4 -37.7 | 339 44 15.9 -41.2 11 100 16760 285 11 10.6 -2.8 | 359 6 0.1 -6.3 Wind Parameters Mean winds (0-6000m): 221.7 at 14.8 knts Storm direction: 251.7 at 11.1 knts Shear (0-3000m) pos: 0.0 neg: 2.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 88.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -142.8 tot: -142.8 m^2/s^2 ave: -47.6 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 11.5 stream: -6.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 60.63 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 18 7 51 16| 0.0 13.8 13.8| 0.0 -34.4 -34.4 -68.8 -0.59| 13.8 -8.2 1000 15 13 40 22| 0.0 10.2 10.2| 0.0 -70.1 -70.1 -70.1 -0.51| 12.9 -6.7 1500 11 15 36 23| 0.0 5.0 5.0| 0.0 -80.3 -80.3 -53.5 -0.45| 11.0 -5.0 2000 3 15 31 22| 0.0 3.7 3.7| 0.0-118.8-118.8 -59.4 -0.52| 11.4 -5.9 2500 354 15 26 20| 0.0 3.0 3.0| 0.0-133.6-133.6 -53.5 -0.54| 11.5 -6.3 3000 354 15 27 20| 0.0 2.4 2.4| 0.0-142.8-142.8 -47.6 -0.59| 11.5 -6.7 4000 343 14 20 18| 0.0 1.9 1.9| 2.7-147.5-144.8 -36.2 -0.56| 9.2 -5.2 5000 267 14 305 5| 0.0 1.7 1.7| 6.1-147.5-141.5 -28.3 -0.54| 7.5 -4.0 6000 222 15 175 8| 0.1 1.5 1.5| 10.0-147.5-137.5 -22.9 -0.51| 6.4 -3.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250525.12.gif