UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052600.upa.cvt Date: 0000Z 26 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 26 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 1015 6 23.4 16.4 65 7.0 18.8 5 1 295.3 297.4 291.3 328.7 11.63 1 1000 134 21.8 16.8 73 5.0 18.5 40 5 295.0 297.1 291.6 329.7 12.12 2 958 505 18.6 14.7 78 3.9 16.1 46 7 295.4 297.3 290.9 327.1 11.04 3 925 806 17.2 13.9 81 3.3 15.1 50 9 296.9 298.9 291.2 328.3 10.85 4 895 1087 15.4 13.7 90 1.7 14.3 58 8 297.9 299.9 291.7 330.0 11.08 5 865 1377 15.8 14.5 92 1.3 15.0 66 7 301.2 303.4 293.5 336.8 12.09 6 850 1526 15.4 13.9 91 1.5 14.4 70 7 302.3 304.5 293.6 337.3 11.83 7 807 1967 14.0 14.0 100 0.0 14.0 106 8 305.3 307.6 295.0 342.8 12.55 8 700 3162 9.2 8.6 96 0.6 8.8 205 11 312.7 314.6 295.2 343.8 10.08 9 658 3674 7.4 5.4 87 2.0 6.2 209 12 316.2 317.9 295.1 343.2 8.59 10 654 3724 7.6 4.5 81 3.1 5.8 209 12 317.0 318.6 294.9 342.6 8.11 11 648 3801 8.0 -8.0 31 16.0 0.5 210 12 318.3 318.9 291.4 328.9 3.23 12 646 3826 7.8 -1.2 53 9.0 2.9 210 12 318.3 319.4 293.3 335.8 5.43 13 643 3865 8.2 -9.8 27 18.0 0.1 210 13 319.2 319.8 291.3 328.6 2.82 14 615 4231 5.8 -12.2 26 18.0 -1.9 213 13 320.6 321.0 291.3 328.7 2.44 15 611 4285 5.2 -5.8 45 11.0 -0.2 213 13 320.5 321.3 292.7 333.7 4.06 16 586 4625 3.2 -13.8 27 17.0 -3.7 216 14 322.0 322.4 291.6 329.6 2.25 17 565 4921 0.8 -1.3 86 2.1 -0.3 218 15 322.5 323.8 294.9 342.6 6.17 18 561 4978 1.2 -10.8 40 12.0 -4.1 218 15 323.7 324.3 292.7 333.7 2.99 19 552 5108 0.6 -12.4 37 13.0 -4.9 219 15 324.5 325.0 292.7 333.5 2.67 20 550 5137 0.2 -6.8 59 7.0 -3.1 219 15 324.3 325.1 293.9 338.2 4.18 21 545 5211 1.2 -12.8 34 14.0 -4.7 220 15 326.4 326.9 293.2 335.3 2.62 22 501 5884 -3.1 -20.1 26 17.0 -9.1 225 17 329.1 329.4 292.9 334.5 1.55 23 500 5900 -3.1 -19.1 28 16.0 -8.8 225 17 329.3 329.6 293.1 335.2 1.69 24 497 5948 -3.5 -11.5 54 8.0 -7.0 226 17 329.3 330.0 294.4 340.2 3.19 25 492 6027 -4.1 -11.1 58 7.0 -7.2 228 17 329.6 330.2 294.6 340.9 3.33 26 450 6725 -8.5 -16.5 52 8.0 -11.5 242 14 332.5 333.0 294.5 340.7 2.34 27 448 6760 -8.5 -22.5 31 14.0 -13.0 242 14 333.0 333.3 293.8 338.0 1.40 28 434 7005 -9.5 -27.5 22 18.0 -14.5 247 13 334.7 334.9 293.9 338.1 0.92 29 408 7479 -13.1 -14.4 90 1.3 -13.6 257 12 336.1 336.7 295.9 346.8 3.07 30 402 7592 -13.3 -21.3 51 8.0 -15.9 259 11 337.2 337.6 295.1 343.5 1.74 31 400 7630 -13.5 -20.5 56 7.0 -15.8 260 11 337.4 337.8 295.3 344.2 1.87 32 390 7822 -14.1 -22.1 51 8.0 -16.6 262 12 339.1 339.5 295.6 345.2 1.67 33 375 8118 -16.3 -18.1 86 1.8 -16.9 264 13 340.0 340.5 296.4 348.8 2.45 34 371 8198 -16.7 -20.5 72 3.8 -18.0 265 14 340.5 341.0 296.1 347.8 2.02 35 366 8300 -16.5 -23.5 55 7.0 -18.6 266 14 342.1 342.5 296.2 347.9 1.57 36 359 8445 -17.7 -21.0 75 3.3 -18.8 268 15 342.4 342.8 296.5 349.7 2.00 37 327 9135 -22.7 -31.7 44 9.0 -24.6 274 18 344.8 345.0 296.2 348.0 0.82 38 300 9760 -27.7 -30.6 76 2.9 -28.3 280 21 346.3 346.6 296.7 350.2 1.00 39 297 9833 -28.3 -30.3 83 2.0 -28.7 280 21 346.5 346.7 296.7 350.4 1.04 40 271 10486 -33.7 -35.0 88 1.3 -33.9 283 22 347.8 348.0 296.8 350.7 0.72 41 250 11050 -37.7 -42.4 61 4.7 -38.2 285 23 350.0 350.1 297.0 351.5 0.37 42 244 11216 -38.9 -44.9 53 6.0 -39.5 287 24 350.7 350.7 297.0 351.8 0.29 43 241 11301 -39.7 -46.7 47 7.0 -40.3 288 24 350.7 350.8 297.0 351.7 0.24 44 230 11616 -42.9 -47.2 63 4.3 -43.2 292 26 350.5 350.6 297.0 351.5 0.24 45 220 11914 -44.9 -52.9 40 8.0 -45.3 296 28 351.9 352.0 297.2 352.5 0.13 46 200 12540 -50.7 -55.6 56 4.9 -50.9 305 31 352.5 352.5 297.3 352.9 0.10 47 161 13917 -63.1 -65.9 69 2.8 -63.1 313 45 354.1 354.1 297.5 354.3 0.03 48 150 14350 -66.3 -69.8 61 3.5 -66.3 315 50 355.9 355.9 297.9 356.0 0.02 49 148 14431 -66.9 -70.6 59 3.7 -67.0 316 49 356.2 356.2 298.0 356.3 0.02 50 144 14596 -67.3 -74.3 36 7.0 -67.4 318 48 358.3 358.3 298.4 358.4 0.01 51 137 14896 -68.1 -80.1 16 12.0 -68.2 321 46 362.0 362.0 299.1 362.1 0.00 52 107 16338 -79.5 -82.0 66 2.5 -79.5 336 34 367.0 367.0 300.0 367.0 0.00 53 100 16720 -80.7 -83.4 64 2.7 -80.7 340 31 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 532.72 mb = 5398.72 m = 17712.12 ft Wetbulb zero: 641.88 mb = 3878.99 m = 12726.19 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 70.20 % Est. max temperature: 29.32 C = 84.78 F Sfc-Lift cond lev (LCL): 915.87 mb = 890.60 m = 2921.90 ft T: 16.66 C 700-500 lapse rate: 4.49 C/km ThetaE index: 2.60 C Layer 958.0- 925.0 mb Conv cond level (CCL): 743.26 mb = 2658.27 m = 8721.25 ft Mean mixing ratio: 11.33 g/kg Conv temperature: 37.73 C = 99.91 F Cap Strength: 8.91 C Lifted Index: 8.95 C Risk: None Lifted Index @300 mb: 13.65 C Lifted Index @700 mb: 5.49 C Showalter Index: 4.85 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: 17.00 C K Index: 31.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.80 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.83 J/kg Max Up Vert Vel: 4.20 m/s Conv Inhibition (B-): 7641.52 J/kg Cap Strength: 8.91 C Lift Cond Lev (LCL): 905.61 mb = 986.65 m = 3236.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 235 at 8 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 1015 6 5 1 -0.1 -1.0 | 50 9 -6.8 -5.7 1 1000 134 40 5 -3.2 -3.8 | 49 13 -10.0 -8.6 2 925 806 50 9 -6.9 -5.8 | 52 17 -13.7 -10.5 3 850 1526 70 7 -6.6 -2.4 | 62 15 -13.3 -7.1 4 700 3162 205 11 4.6 10.0 | 158 6 -2.1 5.2 5 500 5900 225 17 12.0 12.0 | 216 9 5.3 7.3 6 400 7630 260 11 10.8 1.9 | 305 5 4.1 -2.8 7 300 9760 280 21 20.7 -3.6 | 301 16 13.9 -8.4 8 250 11050 285 23 22.2 -6.0 | 305 19 15.5 -10.7 9 200 12540 305 31 25.4 -17.8 | 320 29 18.6 -22.5 10 150 14350 315 50 35.4 -35.4 | 325 49 28.6 -40.1 11 100 16720 340 31 10.6 -29.1 | 354 34 3.8 -33.9 Wind Parameters Mean winds (0-6000m): 204.9 at 11.0 knts Storm direction: 234.9 at 8.3 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 91.2 deg Storm rel helicity (0-3000m) pos: 72.5 neg: -1.3 tot: 71.2 m^2/s^2 ave: 23.7 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 34.52 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 42 5 50 13| 6.7 0.0 6.7| 2.6 -1.3 1.3 2.6 0.04| 6.8 0.3 1000 47 7 52 15| 4.0 0.0 4.0| 8.7 -1.3 7.4 7.4 0.17| 4.9 0.8 1500 52 7 54 15| 2.3 0.0 2.3| 16.2 -1.3 14.9 10.0 0.29| 4.1 1.2 2000 61 7 58 15| 2.2 0.0 2.2| 37.6 -1.3 36.3 18.1 0.51| 4.4 2.3 2500 75 8 65 16| 2.1 0.0 2.1| 58.1 -1.3 56.8 22.7 0.61| 4.9 3.0 3000 87 8 71 16| 2.0 0.0 2.0| 72.5 -1.3 71.2 23.7 0.65| 5.3 3.5 4000 145 9 102 12| 1.8 0.0 1.8| 79.1 -1.3 77.8 19.4 0.68| 4.6 3.1 5000 188 10 133 7| 1.6 0.0 1.6| 83.6 -1.3 82.3 16.5 0.70| 4.0 2.8 6000 205 11 158 6| 1.5 0.0 1.5| 89.8 -1.3 88.5 14.7 0.71| 3.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250526.00.gif