UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 24 APR 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 1007 6 27.0 24.7 87 2.3 25.3 0 0 299.6 303.2 298.2 357.6 19.81 1 1000 65 26.4 23.9 86 2.5 24.6 0 0 299.5 303.0 297.7 355.2 19.00 2 973 307 23.8 23.4 98 0.4 23.5 47 1 299.3 302.7 297.6 354.7 18.94 3 925 750 21.6 21.6 100 0.0 21.6 135 3 301.4 304.7 297.5 353.9 17.83 4 907 921 20.8 20.8 100 0.0 20.8 164 7 302.3 305.5 297.4 353.4 17.30 5 901 979 22.8 21.3 91 1.5 21.7 174 9 304.9 308.2 298.4 358.7 17.97 6 879 1196 25.2 17.2 61 8.0 19.6 210 14 309.6 312.2 297.2 352.7 14.19 7 850 1491 23.0 16.0 65 7.0 18.1 260 21 310.2 312.8 297.0 351.7 13.58 8 755 2512 15.6 8.6 63 7.0 11.2 263 20 312.9 314.7 294.7 341.8 9.33 9 700 3150 10.6 7.8 83 2.8 8.9 265 19 314.2 316.0 295.3 343.9 9.54 10 661 3624 6.6 6.4 99 0.2 6.5 270 19 314.9 316.7 295.1 343.5 9.17 11 601 4399 2.2 -0.5 82 2.7 0.7 279 20 318.5 319.7 293.9 338.2 6.15 12 565 4896 0.0 -5.0 69 5.0 -2.4 284 20 321.6 322.5 293.5 336.9 4.67 13 553 5068 0.0 -16.0 29 16.0 -6.1 286 20 323.6 324.0 291.8 330.3 1.98 14 540 5258 -1.7 -5.8 74 4.1 -3.7 288 21 323.8 324.7 294.0 338.9 4.60 15 537 5303 -1.3 -11.3 46 10.0 -5.6 289 21 324.8 325.3 293.0 334.8 3.00 16 533 5362 -2.1 -6.9 70 4.8 -4.4 289 21 324.5 325.3 294.0 338.7 4.28 17 527 5453 -1.5 -20.5 22 19.0 -8.1 290 21 326.3 326.5 292.0 331.2 1.42 18 500 5870 -3.7 -26.7 15 23.0 -10.5 295 21 328.5 328.7 292.2 331.6 0.86 19 496 5933 -3.9 -33.9 8 30.0 -11.3 294 21 329.0 329.1 291.9 330.7 0.44 20 440 6865 -12.1 -35.1 13 23.0 -17.0 272 22 330.1 330.2 292.2 331.8 0.44 21 402 7552 -15.1 -50.1 3 35.0 -20.0 256 23 334.9 334.9 293.2 335.3 0.10 22 400 7590 -15.3 -45.3 6 30.0 -20.0 255 23 335.1 335.1 293.3 335.8 0.17 23 330 9014 -24.1 -63.1 1 39.0 -27.3 265 24 342.0 342.0 294.8 342.1 0.02 24 300 9700 -29.5 -57.5 5 28.0 -31.7 270 25 343.8 343.8 295.3 344.0 0.05 25 280 10191 -33.3 -64.3 3 31.0 -35.1 270 23 345.2 345.2 295.6 345.3 0.02 26 261 10683 -38.1 -48.1 34 10.0 -38.9 270 22 345.1 345.2 295.7 345.9 0.19 27 253 10898 -39.1 -56.1 15 17.0 -40.1 270 21 346.7 346.8 296.0 347.1 0.08 28 250 10980 -39.7 -52.7 24 13.0 -40.6 270 21 347.0 347.1 296.1 347.5 0.12 29 248 11035 -40.3 -49.3 38 9.0 -40.9 269 21 346.9 347.0 296.1 347.7 0.17 30 243 11173 -41.3 -53.3 26 12.0 -42.1 267 22 347.5 347.5 296.2 347.9 0.11 31 242 11200 -41.5 -48.5 47 7.0 -42.0 267 22 347.6 347.6 296.3 348.4 0.19 32 239 11285 -41.9 -56.9 18 15.0 -42.7 266 22 348.2 348.2 296.3 348.5 0.07 33 222 11778 -45.9 -62.9 13 17.0 -46.5 259 23 349.5 349.5 296.5 349.7 0.04 34 203 12364 -51.3 -61.3 29 10.0 -51.6 251 25 350.0 350.0 296.7 350.3 0.05 35 200 12460 -51.9 -59.9 38 8.0 -52.1 250 25 350.6 350.6 296.8 350.8 0.06 36 193 12690 -53.3 -68.3 14 15.0 -53.6 252 24 351.9 351.9 297.1 352.0 0.02 37 186 12927 -55.3 -63.3 36 8.0 -55.5 254 22 352.4 352.4 297.2 352.6 0.04 38 182 13066 -56.3 -67.3 24 11.0 -56.5 255 21 353.0 353.0 297.3 353.1 0.02 39 173 13386 -58.7 -63.7 52 5.0 -58.8 258 19 354.2 354.2 297.5 354.4 0.04 40 160 13873 -62.1 -69.1 39 7.0 -62.2 262 16 356.5 356.5 298.0 356.6 0.02 41 157 13990 -62.7 -71.7 29 9.0 -62.8 263 15 357.4 357.4 298.2 357.4 0.02 42 150 14270 -64.9 -71.9 37 7.0 -65.0 265 13 358.3 358.3 298.4 358.3 0.02 43 100 16640 -79.3 -83.9 47 4.6 -79.3 300 11 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 553.00 mb = 5068.39 m = 16628.37 ft Wetbulb zero: 592.78 mb = 4510.12 m = 14796.79 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 72.56 % Est. max temperature: 37.54 C = 99.58 F Sfc-Lift cond lev (LCL): 974.41 mb = 294.04 m = 964.69 ft T: 23.94 C 700-500 lapse rate: 5.26 C/km ThetaE index: 16.85 C Layer 879.0- 700.0 mb Conv cond level (CCL): 944.88 mb = 563.76 m = 1849.59 ft Mean mixing ratio: 18.45 g/kg Conv temperature: 27.96 C = 82.33 F Cap Strength: 5.20 C Lifted Index: -2.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.53 C Lifted Index @700 mb: -1.20 C Showalter Index: -1.32 C Risk: Thunderstorms probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 19.70 C K Index: 39.90 Risk: > 80 % chance of thunderstorms Sweat Index: 255.00 Risk: None Energy Index: -3.82 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1265.82 J/kg Max Up Vert Vel: 50.32 m/s Conv Inhibition (B-): 0.04 J/kg Cap Strength: 5.17 C Lift Cond Lev (LCL): 947.81 mb = 536.57 m = 1760.39 ft Lev Free Conv (LFC): 932.81 mb = 676.32 m = 2218.87 ft Equ Level (EL): 902.81 mb = 961.47 m = 3154.40 ft B at Equ Level: 10.45 J/kg Max Parcel Lev (MPL): 882.81 mb = 1158.18 m = 3799.75 ft Wind level data Storm motion: 303 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 1007 6 0 0 -0.0 -0.0 | 123 13 -10.7 6.8 1 1000 65 0 0 -0.0 -0.0 | 123 13 -10.7 6.8 2 925 750 135 3 -2.1 2.1 | 125 16 -12.8 8.9 3 850 1491 260 21 20.7 3.6 | 224 14 10.0 10.5 4 700 3150 265 19 18.9 1.7 | 224 12 8.3 8.5 5 500 5870 295 21 19.0 -8.9 | 284 9 8.4 -2.1 6 400 7590 255 23 22.2 6.0 | 222 17 11.6 12.8 7 300 9700 270 25 25.0 -0.0 | 245 16 14.3 6.8 8 250 10980 270 21 21.0 -0.0 | 237 12 10.3 6.8 9 200 12460 250 25 23.5 8.6 | 220 20 12.8 15.4 10 150 14270 265 13 13.0 1.1 | 196 8 2.3 7.9 11 100 16640 300 11 9.5 -5.5 | 139 2 -1.1 1.3 Wind Parameters Mean winds (0-6000m): 272.6 at 16.9 knts Storm direction: 302.6 at 12.7 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 150.2 neg: -3.9 tot: 146.3 m^2/s^2 ave: 48.8 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.4 10^-3/s Energy-Hel index: 1.19 Bulk Rich Number: 30.50 Bulk Shear: 41.51 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 87 1 120 13| 2.0 0.0 2.0| 0.6 -3.9 -3.3 -6.6 -0.40| 2.6 -1.0 1000 154 3 128 15| 4.7 0.0 4.7| 38.9 -3.9 35.0 35.0 0.59| 6.4 3.8 1500 246 7 155 11| 7.2 0.0 7.2|149.7 -3.9 145.8 97.2 0.84| 12.8 10.7 2000 255 10 175 10| 5.2 0.0 5.2|150.0 -3.9 146.1 73.1 0.83| 9.8 8.1 2500 257 12 187 10| 4.1 0.0 4.1|150.2 -3.9 146.3 58.5 0.81| 8.0 6.5 3000 259 14 196 10| 3.3 0.0 3.3|150.2 -3.9 146.3 48.8 0.79| 6.8 5.4 4000 262 15 205 10| 2.5 0.0 2.5|158.7 -3.9 154.8 38.7 0.80| 5.5 4.4 5000 267 16 215 9| 2.1 0.0 2.1|168.1 -3.9 164.2 32.8 0.81| 4.8 3.9 6000 273 17 226 9| 1.8 0.0 1.8|175.6 -5.9 169.7 28.3 0.79| 4.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250424.00.gif