UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061800.upa.cvt Date: 0000Z 18 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 18 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 1004 6 29.0 24.9 79 4.1 25.9 165 3 301.8 305.5 299.0 361.4 20.12 1 1000 42 28.8 24.8 79 4.0 25.8 175 5 302.0 305.6 299.0 361.4 20.08 2 974 277 26.6 23.9 85 2.7 24.6 189 10 302.0 305.6 298.7 359.8 19.52 3 959 414 26.4 22.5 79 3.9 23.5 196 13 303.2 306.5 298.1 357.1 18.18 4 940 593 28.6 19.6 58 9.0 22.1 207 16 307.1 310.0 297.4 353.7 15.45 5 925 736 27.8 18.8 58 9.0 21.3 215 19 307.7 310.5 297.3 352.8 14.93 6 850 1479 21.2 17.0 77 4.2 18.2 235 17 308.4 311.1 297.1 352.2 14.49 7 835 1633 19.8 16.6 82 3.2 17.6 235 18 308.5 311.2 297.1 352.0 14.38 8 779 2230 15.8 14.5 92 1.3 14.9 237 20 310.3 312.9 297.0 351.4 13.45 9 700 3134 10.8 9.9 94 0.9 10.2 240 23 314.4 316.6 296.3 348.7 11.02 10 680 3376 9.4 8.6 95 0.8 8.9 241 22 315.5 317.5 296.2 347.9 10.38 11 589 4556 2.6 2.3 98 0.3 2.4 248 18 320.8 322.3 295.6 345.5 7.70 12 500 5870 -3.3 -3.3 100 0.0 -3.3 255 13 329.0 330.2 296.4 349.0 6.01 13 486 6095 -4.5 -4.5 100 0.0 -4.5 265 12 330.2 331.4 296.4 349.1 5.65 14 456 6595 -7.7 -8.0 98 0.3 -7.8 286 11 332.3 333.2 296.2 347.9 4.60 15 448 6733 -6.9 -10.8 74 3.9 -8.7 292 10 335.0 335.7 296.2 348.0 3.75 16 400 7610 -12.3 -15.8 75 3.5 -13.7 330 7 339.0 339.6 296.4 348.9 2.79 17 391 7783 -13.7 -15.7 85 2.0 -14.5 339 7 339.4 340.0 296.5 349.6 2.88 18 367 8263 -15.5 -19.8 70 4.3 -17.0 6 6 343.2 343.6 296.8 351.1 2.17 19 366 8284 -15.5 -19.8 70 4.3 -17.0 7 6 343.5 343.9 296.9 351.4 2.17 20 323 9213 -23.1 -24.6 87 1.5 -23.5 59 4 345.5 345.8 297.0 351.5 1.61 21 300 9750 -26.9 -31.6 64 4.7 -27.9 90 3 347.5 347.7 296.8 351.0 0.91 22 279 10270 -30.7 -39.7 41 9.0 -32.0 78 3 349.3 349.4 296.8 351.0 0.43 23 273 10424 -31.7 -39.7 45 8.0 -32.9 74 3 350.0 350.1 297.0 351.8 0.44 24 250 11040 -37.3 -43.3 54 6.0 -37.9 60 3 350.6 350.7 297.1 352.0 0.33 25 225 11758 -43.5 -46.9 69 3.4 -43.7 43 11 351.8 351.9 297.3 352.9 0.25 26 211 12187 -46.9 -58.9 24 12.0 -47.4 33 17 353.1 353.1 297.4 353.3 0.06 27 200 12540 -49.7 -55.7 49 6.0 -50.0 25 21 354.1 354.1 297.6 354.5 0.10 28 199 12573 -50.3 -54.9 58 4.6 -50.5 25 21 353.6 353.6 297.5 354.1 0.11 29 187 12975 -53.9 -58.3 58 4.4 -54.1 25 25 354.2 354.2 297.6 354.5 0.08 30 182 13148 -54.9 -63.9 32 9.0 -55.1 25 27 355.3 355.3 297.8 355.5 0.04 31 171 13542 -58.9 -64.9 46 6.0 -59.0 25 30 355.0 355.1 297.7 355.2 0.04 32 168 13653 -59.9 -65.9 45 6.0 -60.0 25 31 355.2 355.2 297.8 355.3 0.03 33 153 14229 -64.5 -72.5 32 8.0 -64.6 25 37 356.9 356.9 298.1 357.0 0.01 34 150 14350 -65.5 -70.5 50 5.0 -65.5 25 38 357.2 357.3 298.2 357.3 0.02 35 140 14767 -69.1 -72.5 61 3.4 -69.1 28 44 358.1 358.1 298.3 358.1 0.02 36 123 15529 -75.9 -79.5 57 3.6 -75.9 35 54 359.2 359.2 298.5 359.2 0.01 37 101 16663 -77.9 -84.9 31 7.0 -77.9 40 43 376.1 376.1 301.6 376.2 0.00 38 100 16720 -77.9 -84.9 31 7.0 -77.9 40 42 377.2 377.2 301.8 377.2 0.00 TRP 123 15529 -75.9 -79.5 57 3.6 -75.9 35 54 359.2 359.2 298.5 359.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5828.00 m Freezing level: 549.78 mb = 5134.91 m = 16846.62 ft Wetbulb zero: 551.46 mb = 5084.11 m = 16679.95 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 88.87 % Est. max temperature: 35.53 C = 95.95 F Sfc-Lift cond lev (LCL): 946.64 mb = 529.83 m = 1738.27 ft T: 27.83 C 700-500 lapse rate: 5.15 C/km ThetaE index: 15.91 C Layer 974.0- 500.0 mb Conv cond level (CCL): 829.09 mb = 1694.44 m = 5559.13 ft Mean mixing ratio: 17.31 g/kg Conv temperature: 35.85 C = 96.53 F Cap Strength: 3.24 C Lifted Index: -2.56 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.96 C Lifted Index @700 mb: -1.52 C Showalter Index: -1.15 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.30 C K Index: 40.60 Risk: > 80 % chance of thunderstorms Sweat Index: 251.00 Risk: None Energy Index: -0.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 860.97 J/kg Max Up Vert Vel: 41.50 m/s Conv Inhibition (B-): 102.00 J/kg Cap Strength: 3.24 C Lift Cond Lev (LCL): 875.91 mb = 1215.17 m = 3986.74 ft Lev Free Conv (LFC): 790.91 mb = 2099.58 m = 6888.31 ft Equ Level (EL): 150.91 mb = 14313.25 m = 46958.92 ft B at Equ Level: 853.81 J/kg Wind level data Storm motion: 268 at 13 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 1004 6 165 3 -0.8 2.9 | 100 14 -14.0 2.4 1 1000 42 175 5 -0.4 5.0 | 108 14 -13.7 4.5 2 925 736 215 19 10.9 15.6 | 171 15 -2.4 15.1 3 850 1479 235 17 13.9 9.8 | 184 9 0.7 9.3 4 700 3134 240 23 19.9 11.5 | 211 13 6.7 11.0 5 500 5870 255 13 12.6 3.4 | 166 3 -0.7 2.9 6 400 7610 330 7 3.5 -6.1 | 56 12 -9.8 -6.5 7 300 9750 90 3 -3.0 0.0 | 88 16 -16.3 -0.5 8 250 11040 60 3 -2.6 -1.5 | 83 16 -15.9 -2.0 9 200 12540 25 21 -8.9 -19.0 | 49 29 -22.1 -19.5 10 150 14350 25 38 -16.1 -34.4 | 40 46 -29.3 -34.9 11 123 15529 35 54 -31.0 -44.2 | 45 63 -44.2 -44.7 12 100 16720 40 42 -27.0 -32.2 | 51 52 -40.3 -32.6 Wind Parameters Mean winds (0-6000m): 238.0 at 17.7 knts Storm direction: 268.0 at 13.3 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 109.6 deg Storm rel helicity (0-3000m) pos: 95.6 neg: 0.0 tot: 95.6 m^2/s^2 ave: 31.9 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.5 10^-3/s Energy-Hel index: 0.47 Bulk Rich Number: 40.09 Bulk Shear: 21.48 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 ------------------------------------------------------------------------------- 500 194 9 128 14| 12.4 0.0 12.4| 48.9 0.0 48.9 97.7 1.00| 12.9 12.9 1000 211 13 150 13| 8.7 0.0 8.7| 77.2 0.0 77.2 77.2 0.94| 10.7 10.1 1500 218 15 160 12| 5.6 0.0 5.6| 82.3 0.0 82.3 54.9 0.86| 8.6 7.3 2000 223 16 167 11| 4.7 0.0 4.7| 86.6 0.0 86.6 43.3 0.86| 6.9 5.9 2500 227 17 173 11| 4.1 0.0 4.1| 91.0 0.0 91.0 36.4 0.86| 5.9 5.1 3000 230 17 180 11| 3.8 0.0 3.8| 95.6 0.0 95.6 31.9 0.85| 5.3 4.5 4000 233 18 188 11| 2.5 0.0 2.5| 96.9 -0.4 96.5 24.1 0.76| 4.5 3.4 5000 236 18 191 10| 1.7 0.0 1.7| 96.9 -2.3 94.5 18.9 0.65| 4.0 2.6 6000 238 18 191 9| 1.1 0.0 1.1| 96.9 -5.1 91.8 15.3 0.51| 3.7 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250618.00.gif