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 VV811... Searching the city database file for: VV811 ... Date:0000Z 24 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 71 SFC 955 474 22.6 21.9 96 0.7 22.1 0 0 299.7 302.9 296.8 351.1 17.58 2 943 585 21.4 20.8 96 0.6 21.0 18 0 299.5 302.6 296.2 348.1 16.62 3 925 753 21.6 20.2 92 1.4 20.6 45 1 301.4 304.4 296.5 349.5 16.32 4 885 1139 23.2 19.1 78 4.1 20.3 136 9 306.9 309.9 297.7 354.8 15.92 5 850 1491 21.0 18.2 84 2.8 19.0 220 17 308.1 311.1 297.8 355.5 15.66 6 811 1898 19.0 14.5 75 4.5 16.0 236 17 310.2 312.6 296.5 349.6 12.91 7 736 2726 13.0 11.5 91 1.5 12.0 268 17 312.4 314.6 296.3 348.3 11.67 8 700 3147 10.4 6.9 79 3.5 8.2 285 17 314.0 315.7 294.8 341.9 8.96 9 584 4634 1.8 -24.2 12 26.0 -6.4 290 21 320.7 320.9 289.9 323.9 0.92 10 549 5129 -1.9 -19.9 24 18.0 -8.0 292 23 322.0 322.3 290.9 326.9 1.44 11 545 5188 -1.9 -21.9 20 20.0 -8.4 292 23 322.7 322.9 290.8 326.9 1.21 12 526 5469 -3.3 -10.3 58 7.0 -6.4 293 24 324.3 324.9 293.2 335.4 3.32 13 505 5791 -4.7 -14.7 45 10.0 -8.6 295 25 326.4 326.9 293.0 334.6 2.42 14 501 5854 -4.3 -21.3 25 17.0 -9.9 295 25 327.6 327.9 292.4 332.5 1.39 15 500 5870 -4.3 -22.3 23 18.0 -10.1 295 25 327.8 328.1 292.3 332.3 1.28 16 495 5949 -4.5 -37.5 6 33.0 -11.9 294 25 328.5 328.6 291.6 329.7 0.31 17 435 6947 -12.9 -33.9 15 21.0 -17.4 286 31 330.2 330.3 292.3 332.1 0.50 18 426 7105 -14.3 -29.3 27 15.0 -17.9 284 32 330.4 330.6 292.6 333.3 0.79 19 424 7141 -14.5 -26.5 35 12.0 -17.6 284 32 330.6 330.8 292.9 334.3 1.03 20 418 7248 -14.9 -32.9 20 18.0 -18.8 283 33 331.4 331.5 292.7 333.6 0.57 21 415 7302 -15.1 -23.1 50 8.0 -17.4 282 33 331.9 332.1 293.6 337.0 1.44 22 414 7321 -14.7 -28.7 29 14.0 -18.1 282 33 332.6 332.8 293.3 335.8 0.86 23 412 7357 -14.7 -20.7 60 6.0 -16.6 282 34 333.1 333.4 294.1 339.4 1.79 24 409 7412 -14.9 -22.9 50 8.0 -17.3 281 34 333.5 333.8 294.0 338.8 1.48 25 406 7468 -15.1 -16.9 86 1.8 -15.7 281 34 333.9 334.4 295.0 342.7 2.51 26 400 7580 -15.5 -17.9 82 2.4 -16.3 280 35 334.8 335.3 295.1 343.1 2.34 27 383 7906 -17.1 -19.6 81 2.5 -17.9 281 33 336.9 337.4 295.4 344.5 2.11 28 366 8244 -20.1 -21.8 86 1.7 -20.6 282 32 337.3 337.7 295.3 343.9 1.83 29 362 8326 -20.7 -25.5 65 4.8 -22.0 282 32 337.6 337.9 294.9 342.4 1.33 30 360 8367 -20.9 -21.8 92 0.9 -21.2 282 31 337.9 338.2 295.4 344.5 1.86 31 357 8428 -20.9 -26.9 59 6.0 -22.4 282 31 338.7 338.9 295.0 343.0 1.18 32 332 8960 -24.5 -37.5 29 13.0 -26.7 283 29 340.8 340.9 295.0 342.6 0.46 33 330 9004 -24.7 -31.7 52 7.0 -26.1 283 28 341.1 341.3 295.3 344.2 0.82 34 326 9093 -25.7 -31.7 57 6.0 -26.9 284 28 341.0 341.1 295.3 344.1 0.83 35 320 9227 -26.9 -34.9 47 8.0 -28.3 284 27 341.1 341.2 295.1 343.5 0.62 36 315 9341 -27.1 -62.1 2 35.0 -29.7 284 27 342.4 342.4 294.9 342.5 0.03 37 307 9525 -28.7 -36.7 46 8.0 -30.0 285 26 342.7 342.8 295.4 344.7 0.54 38 300 9690 -29.1 -54.1 7 25.0 -31.3 285 25 344.4 344.4 295.4 344.7 0.08 39 295 9810 -29.9 -63.9 2 34.0 -32.1 284 24 344.9 344.9 295.5 345.0 0.02 40 250 10970 -39.5 -65.5 5 26.0 -40.6 275 19 347.3 347.3 296.1 347.4 0.02 41 218 11894 -46.1 -65.1 10 19.0 -46.7 266 18 351.0 351.0 296.9 351.1 0.03 42 200 12460 -51.1 -60.1 33 9.0 -51.4 260 17 351.8 351.9 297.1 352.1 0.06 43 188 12857 -55.1 -62.1 42 7.0 -55.3 256 17 351.7 351.7 297.0 351.9 0.05 44 176 13274 -58.3 -72.3 15 14.0 -58.5 251 17 353.1 353.1 297.3 353.2 0.01 45 171 13454 -59.3 -67.3 35 8.0 -59.5 249 17 354.4 354.4 297.6 354.5 0.03 46 159 13904 -62.5 -72.5 25 10.0 -62.6 244 17 356.4 356.4 298.0 356.5 0.01 47 150 14260 -65.7 -72.7 37 7.0 -65.8 240 17 356.9 356.9 298.1 357.0 0.01 48 142 14591 -68.5 -73.3 50 4.8 -68.5 243 16 357.6 357.7 298.2 357.7 0.01 49 132 15026 -70.5 -79.5 25 9.0 -70.5 246 14 361.6 361.6 299.0 361.7 0.01 50 108 16200 -76.5 -85.5 23 9.0 -76.5 256 11 371.7 371.7 300.8 371.7 0.00 51 100 16640 -79.1 -85.1 37 6.0 -79.1 260 9 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 566.97 mb = 4874.69 m = 15992.87 ft Wetbulb zero: 634.88 mb = 3948.09 m = 12952.89 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 60.98 % Est. max temperature: 33.15 C = 91.67 F Sfc-Lift cond lev (LCL): 945.64 mb = 560.41 m = 1838.59 ft T: 21.67 C 700-500 lapse rate: 5.40 C/km ThetaE index: 31.63 C Layer 811.0- 549.0 mb Conv cond level (CCL): 793.42 mb = 2084.52 m = 6838.90 ft Mean mixing ratio: 16.20 g/kg Conv temperature: 33.48 C = 92.26 F Cap Strength: 3.22 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.93 C Lifted Index @700 mb: -0.81 C Showalter Index: -3.24 C Risk: Severe thunderstorms possible Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.50 C K Index: 40.00 Risk: > 80 % chance of thunderstorms Sweat Index: 423.14 Risk: Severe Thunderstorms possible Energy Index: -4.48 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 875.35 J/kg Max Up Vert Vel: 41.84 m/s Conv Inhibition (B-): 103.95 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 872.01 mb = 1268.05 m = 4160.22 ft Lev Free Conv (LFC): 737.01 mb = 2713.90 m = 8903.78 ft Equ Level (EL): 207.01 mb = 12233.59 m = 40135.95 ft B at Equ Level: 874.23 J/kg Wind level data Storm motion: 309 at 14 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 ---------------------------------------------------------- 0 955 474 0 0 -0.0 -0.0 | 129 14 -10.5 8.7 1 925 753 45 1 -0.7 -0.7 | 125 14 -11.2 8.0 2 850 1491 220 17 10.9 13.0 | 181 22 0.4 21.7 3 700 3147 285 17 16.4 -4.4 | 234 7 5.9 4.3 4 500 5870 295 25 22.7 -10.6 | 279 12 12.1 -1.9 5 400 7580 280 35 34.5 -6.1 | 264 24 23.9 2.6 6 300 9690 285 25 24.1 -6.5 | 261 14 13.6 2.2 7 250 10970 275 19 18.9 -1.7 | 230 11 8.4 7.0 8 200 12460 260 17 16.7 3.0 | 208 13 6.2 11.6 9 150 14260 240 17 14.7 8.5 | 194 18 4.2 17.2 10 100 16640 260 9 8.9 1.6 | 171 10 -1.7 10.2 Wind Parameters Mean winds (0-6000m): 279.5 at 18.2 knts Storm direction: 309.5 at 13.6 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 203.5 neg: -10.2 tot: 193.3 m^2/s^2 ave: 64.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 6.2 10^-3/s Energy-Hel index: 1.03 Bulk Rich Number: 16.72 Bulk Shear: 52.35 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 83 2 125 15| 6.0 0.0 6.0| 2.0 -10.2 -8.2 -16.4 -0.33| 7.0 -2.3 1000 215 7 154 16| 8.6 0.0 8.6|144.4 -10.2 134.2 134.2 0.65| 16.7 10.9 1500 225 10 167 16| 5.8 0.0 5.8|172.6 -10.2 162.5 108.3 0.67| 13.4 9.1 2000 234 12 176 16| 4.4 0.0 4.4|188.5 -10.2 178.4 89.2 0.67| 11.6 7.8 2500 243 13 184 14| 3.5 0.0 3.5|198.9 -10.2 188.8 75.5 0.66| 10.5 6.9 3000 252 14 190 13| 3.1 0.0 3.1|203.5 -10.2 193.3 64.4 0.67| 9.2 6.2 4000 265 15 204 11| 2.7 0.0 2.7|209.6 -10.2 199.4 49.9 0.68| 7.3 5.0 5000 274 17 219 10| 2.5 0.0 2.5|216.4 -10.2 206.2 41.2 0.68| 6.2 4.2 6000 279 18 233 9| 2.2 0.3 2.5|219.3 -15.4 203.9 34.0 0.62| 5.7 3.5 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250424.00.gif