UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 27 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 1011 6 25.4 24.4 94 1.0 24.7 145 1 297.6 301.1 297.5 353.9 19.37 1 1000 104 24.6 24.1 97 0.5 24.3 150 3 297.8 301.2 297.4 353.6 19.23 2 925 787 21.6 21.6 100 0.0 21.6 180 13 301.4 304.7 297.5 353.9 17.83 3 850 1521 18.2 18.2 100 0.0 18.2 225 13 305.2 308.1 297.1 352.0 15.66 4 824 1788 17.0 16.7 98 0.3 16.8 232 13 306.7 309.4 296.8 350.8 14.67 5 799 2052 18.4 15.5 83 2.9 16.4 239 13 310.9 313.5 297.4 353.7 14.00 6 700 3174 10.6 5.9 73 4.7 7.8 270 13 314.2 315.8 294.4 340.3 8.35 7 664 3611 7.4 -0.6 57 8.0 3.1 275 13 315.4 316.5 292.5 332.9 5.52 8 624 4119 3.6 1.6 87 2.0 2.5 280 13 316.7 318.0 294.0 338.6 6.90 9 615 4237 3.2 -5.8 52 9.0 -1.1 282 13 317.6 318.4 291.9 330.6 4.03 10 591 4558 0.0 -1.3 91 1.3 -0.7 285 13 317.5 318.6 293.4 336.3 5.90 11 571 4834 0.0 -13.0 37 13.0 -5.3 288 13 320.6 321.1 291.4 328.8 2.46 12 568 4876 -0.7 -4.1 78 3.4 -2.4 289 13 320.3 321.3 293.4 336.4 4.98 13 566 4904 -0.9 -5.0 74 4.1 -2.9 289 13 320.4 321.3 293.2 335.5 4.66 14 558 5018 -0.3 -11.3 43 11.0 -5.0 290 13 322.4 323.0 292.3 332.0 2.89 15 528 5459 -2.3 -28.3 12 26.0 -9.6 295 13 325.1 325.3 291.0 327.7 0.70 16 520 5580 -2.7 -31.7 9 29.0 -10.2 297 13 326.1 326.2 291.2 328.0 0.52 17 500 5890 -4.7 -31.7 10 27.0 -11.6 300 13 327.3 327.4 291.5 329.3 0.54 18 472 6342 -7.9 -36.9 8 29.0 -14.2 290 11 328.8 328.9 291.7 330.1 0.34 19 450 6711 -10.9 -33.9 13 23.0 -16.0 281 9 329.5 329.6 292.1 331.3 0.48 20 446 6780 -11.3 -24.3 33 13.0 -15.0 280 9 329.9 330.1 292.9 334.2 1.20 21 445 6797 -11.5 -16.2 68 4.7 -13.2 279 9 329.8 330.3 293.9 338.2 2.43 22 442 6849 -11.7 -16.0 70 4.3 -13.3 278 9 330.2 330.7 294.0 338.8 2.48 23 430 7060 -12.7 -31.7 19 19.0 -17.1 273 8 331.6 331.7 292.7 333.9 0.63 24 428 7096 -12.5 -44.5 5 32.0 -17.9 272 7 332.2 332.3 292.5 332.9 0.17 25 426 7132 -12.3 -40.3 8 28.0 -17.6 271 7 333.0 333.0 292.8 334.0 0.27 26 400 7610 -16.5 -39.5 12 23.0 -20.5 260 5 333.5 333.6 293.0 334.7 0.31 27 381 7974 -18.5 -50.5 4 32.0 -22.6 260 8 335.6 335.6 293.3 336.0 0.10 28 371 8172 -20.1 -39.1 17 19.0 -23.3 260 10 336.0 336.1 293.7 337.4 0.35 29 368 8232 -20.5 -28.5 49 8.0 -22.4 260 10 336.3 336.5 294.3 339.9 0.99 30 367 8253 -20.7 -25.4 66 4.7 -21.9 260 10 336.3 336.5 294.6 341.1 1.32 31 364 8313 -20.5 -44.5 10 24.0 -23.9 260 11 337.3 337.4 293.9 338.1 0.20 32 348 8645 -21.5 -57.5 2 36.0 -25.2 260 14 340.3 340.3 294.4 340.5 0.05 33 300 9720 -30.5 -57.5 5 27.0 -32.6 260 23 342.4 342.4 295.0 342.6 0.05 34 274 10353 -35.7 -63.7 4 28.0 -37.1 270 25 343.9 343.9 295.3 344.0 0.03 35 268 10506 -36.7 -58.7 8 22.0 -38.0 272 25 344.6 344.6 295.4 344.8 0.05 36 267 10531 -36.9 -45.9 39 9.0 -37.7 273 26 344.7 344.7 295.7 345.6 0.23 37 260 10713 -38.7 -46.7 43 8.0 -39.4 276 26 344.6 344.7 295.6 345.5 0.22 38 257 10793 -39.1 -42.4 71 3.3 -39.4 277 26 345.2 345.3 295.9 346.6 0.36 39 250 10980 -40.7 -45.7 59 5.0 -41.1 280 27 345.6 345.6 295.8 346.6 0.26 40 243 11173 -42.5 -51.5 37 9.0 -43.0 278 27 345.7 345.7 295.8 346.2 0.14 41 214 12019 -49.5 -53.1 66 3.6 -49.7 270 27 347.6 347.6 296.2 348.1 0.13 42 200 12460 -52.5 -57.1 57 4.6 -52.7 265 27 349.6 349.6 296.6 350.0 0.08 43 186 12925 -56.1 -63.1 41 7.0 -56.2 266 29 351.1 351.1 296.9 351.3 0.04 44 165 13677 -61.9 -66.1 57 4.2 -62.0 268 32 353.7 353.7 297.4 353.8 0.03 45 150 14260 -66.7 -71.7 49 5.0 -66.7 270 35 355.2 355.2 297.7 355.3 0.02 46 143 14547 -69.3 -73.8 52 4.5 -69.4 268 32 355.5 355.5 297.8 355.6 0.01 47 109 16129 -78.5 -83.5 44 5.0 -78.5 255 13 366.9 366.9 300.0 366.9 0.00 48 100 16620 -78.5 -84.5 37 6.0 -78.5 285 13 376.1 376.1 301.6 376.1 0.00 TRP 109 16129 -78.5 -83.5 44 5.0 -78.5 255 13 366.9 366.9 300.0 366.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 571.00 mb = 4833.88 m = 15859.00 ft Wetbulb zero: 617.75 mb = 4200.84 m = 13782.11 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 72.03 % Est. max temperature: 32.44 C = 90.38 F Sfc-Lift cond lev (LCL): 996.87 mb = 131.48 m = 431.36 ft T: 24.48 C 700-500 lapse rate: 5.63 C/km ThetaE index: 20.77 C Layer 700.0- 624.0 mb Conv cond level (CCL): 950.49 mb = 548.86 m = 1800.72 ft Mean mixing ratio: 18.48 g/kg Conv temperature: 27.91 C = 82.25 F Cap Strength: 1.97 C Lifted Index: -3.08 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.21 C Lifted Index @700 mb: -1.02 C Showalter Index: -2.43 C Risk: Severe thunderstorms possible Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.90 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 257.40 Risk: None Energy Index: -4.38 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1442.32 J/kg Max Up Vert Vel: 53.71 m/s Conv Inhibition (B-): 0.42 J/kg Cap Strength: 1.89 C Lift Cond Lev (LCL): 957.03 mb = 488.79 m = 1603.63 ft Lev Free Conv (LFC): 922.03 mb = 814.94 m = 2673.64 ft Equ Level (EL): 812.03 mb = 1913.14 m = 6276.62 ft B at Equ Level: 26.36 J/kg Max Parcel Lev (MPL): 752.03 mb = 2565.86 m = 8418.07 ft Wind level data Storm motion: 289 at 9 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 1011 6 145 1 -0.6 0.8 | 113 10 -9.3 3.8 1 1000 104 150 3 -1.5 2.6 | 119 12 -10.2 5.6 2 925 787 180 13 0.0 13.0 | 152 18 -8.7 16.0 3 850 1521 225 13 9.2 9.2 | 182 12 0.5 12.2 4 700 3174 270 13 13.0 -0.0 | 235 5 4.3 3.0 5 500 5890 300 13 11.3 -6.5 | 324 4 2.6 -3.5 6 400 7610 260 5 4.9 0.9 | 136 5 -3.8 3.9 7 300 9720 260 23 22.7 4.0 | 243 16 13.9 7.0 8 250 10980 280 27 26.6 -4.7 | 275 18 17.9 -1.7 9 200 12460 265 27 26.9 2.4 | 254 19 18.2 5.4 10 150 14260 270 35 35.0 -0.0 | 263 26 26.3 3.0 11 109 16129 255 13 12.6 3.4 | 211 7 3.9 6.4 12 100 16620 285 13 12.6 -3.4 | 275 4 3.9 -0.3 Wind Parameters Mean winds (0-6000m): 259.2 at 12.3 knts Storm direction: 289.2 at 9.2 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 87.8 neg: 0.0 tot: 87.8 m^2/s^2 ave: 29.3 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.2 10^-3/s Energy-Hel index: 0.71 Bulk Rich Number: 56.41 Bulk Shear: 25.57 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 ------------------------------------------------------------------------------- 500 162 5 128 13| 8.2 0.0 8.2| 20.2 0.0 20.2 40.3 0.70| 8.4 5.9 1000 178 9 142 15| 6.4 0.0 6.4| 50.5 0.0 50.5 50.5 0.78| 8.2 6.4 1500 191 10 152 15| 4.4 0.0 4.4| 71.6 0.0 71.6 47.7 0.78| 7.8 6.1 2000 203 11 161 14| 3.4 0.0 3.4| 78.5 0.0 78.5 39.2 0.78| 6.7 5.2 2500 213 11 168 13| 2.7 0.0 2.7| 83.7 0.0 83.7 33.5 0.77| 6.0 4.6 3000 222 12 175 12| 2.3 0.0 2.3| 87.8 0.0 87.8 29.3 0.77| 5.5 4.2 4000 237 12 188 10| 1.8 0.0 1.8| 91.3 0.0 91.3 22.8 0.77| 4.5 3.5 5000 249 12 200 8| 1.4 0.0 1.4| 93.9 0.0 93.9 18.8 0.79| 3.9 3.1 6000 259 12 212 6| 1.1 0.0 1.1| 96.0 -0.3 95.7 16.0 0.78| 3.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250427.00.gif