UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052712.upa.cvt Date: 1200Z 27 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 27 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 1009 6 24.2 21.7 86 2.5 22.5 350 5 296.6 299.6 295.3 344.0 16.41 1 1000 87 23.8 21.5 87 2.3 22.2 345 5 297.0 299.9 295.3 344.2 16.35 2 961 435 20.8 20.8 100 0.0 20.8 44 9 297.3 300.3 295.4 344.5 16.30 3 925 766 20.2 20.2 100 0.0 20.2 100 13 300.0 302.9 296.1 347.7 16.32 4 850 1497 17.6 17.5 99 0.1 17.5 145 19 304.6 307.4 296.5 349.2 14.97 5 700 3143 10.8 10.4 97 0.4 10.6 165 11 314.4 316.6 296.6 349.8 11.40 6 683 3348 9.8 9.7 99 0.1 9.7 170 12 315.5 317.7 296.7 350.3 11.14 7 633 3979 7.4 3.4 76 4.0 5.1 186 13 319.7 321.3 295.4 344.5 7.75 8 567 4878 1.6 0.2 90 1.4 0.8 209 16 323.2 324.5 295.6 345.4 6.87 9 562 4950 2.2 -0.8 81 3.0 0.5 211 16 324.7 326.0 295.7 345.7 6.44 10 534 5363 1.2 -3.6 70 4.8 -1.3 221 17 328.3 329.4 295.8 346.6 5.50 11 500 5890 -2.7 -4.6 87 1.9 -3.7 235 19 329.7 330.8 296.2 348.0 5.45 12 419 7273 -10.9 -11.3 97 0.4 -11.1 267 14 336.3 337.1 296.5 349.7 3.85 13 415 7347 -11.3 -12.6 90 1.3 -11.9 268 14 336.7 337.5 296.4 349.0 3.50 14 413 7384 -11.3 -15.3 72 4.0 -12.9 269 14 337.2 337.8 296.0 347.1 2.82 15 409 7459 -11.1 -15.0 73 3.9 -12.6 271 14 338.4 339.0 296.4 348.7 2.92 16 400 7630 -12.1 -16.1 72 4.0 -13.6 275 13 339.3 339.8 296.4 348.9 2.72 17 383 7960 -14.1 -20.1 60 6.0 -16.2 276 15 340.9 341.3 296.3 348.2 2.02 18 344 8761 -20.7 -22.0 89 1.3 -21.1 278 18 342.5 342.9 296.5 349.5 1.91 19 337 8913 -21.1 -25.2 70 4.1 -22.2 278 19 344.0 344.3 296.5 349.5 1.46 20 333 9001 -21.9 -23.9 84 2.0 -22.5 278 19 344.1 344.5 296.7 350.3 1.67 21 332 9023 -21.9 -27.9 58 6.0 -23.4 278 19 344.4 344.6 296.4 348.8 1.16 22 330 9067 -22.3 -23.9 87 1.6 -22.8 278 20 344.4 344.8 296.8 350.7 1.68 23 317 9361 -23.5 -32.5 43 9.0 -25.4 279 21 346.8 346.9 296.6 349.8 0.79 24 305 9641 -25.7 -30.1 67 4.4 -26.7 280 22 347.5 347.7 297.0 351.5 1.03 25 300 9760 -26.5 -31.5 63 5.0 -27.5 280 23 348.0 348.2 297.0 351.6 0.92 26 296 9857 -27.1 -32.1 62 5.0 -28.1 281 23 348.5 348.7 297.0 351.9 0.88 27 291 9980 -28.3 -35.3 51 7.0 -29.5 283 23 348.5 348.7 296.8 351.1 0.65 28 267 10591 -33.7 -36.4 77 2.7 -34.1 293 22 349.3 349.5 297.0 351.8 0.64 29 256 10886 -36.1 -42.1 54 6.0 -36.8 297 21 350.0 350.1 297.0 351.5 0.37 30 250 11050 -37.5 -42.5 60 5.0 -38.1 300 21 350.3 350.4 297.0 351.8 0.36 31 200 12550 -50.3 -52.2 80 1.9 -50.4 315 42 353.1 353.1 297.4 353.8 0.15 32 199 12583 -50.7 -52.4 82 1.7 -50.8 315 42 353.0 353.0 297.4 353.6 0.15 33 193 12782 -51.9 -58.9 43 7.0 -52.1 317 40 354.2 354.2 297.6 354.5 0.07 34 185 13055 -54.3 -57.7 66 3.4 -54.4 319 38 354.6 354.6 297.7 355.0 0.09 35 170 13593 -58.3 -76.3 8 18.0 -58.5 323 34 356.6 356.6 298.0 356.7 0.01 36 150 14370 -64.3 -79.3 11 15.0 -64.4 330 27 359.3 359.3 298.5 359.3 0.00 37 134 15051 -69.7 -81.7 16 12.0 -69.8 361.5 361.5 299.0 361.5 0.00 38 109 16260 -76.7 -84.7 27 8.0 -76.7 370.3 370.3 300.6 370.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 523.54 mb = 5525.16 m = 18126.93 ft Wetbulb zero: 553.83 mb = 5068.24 m = 16627.89 ft Precipitable water: 2.64 inches Sfc-500 mean rel hum: 90.92 % Est. max temperature: 31.64 C = 88.94 F Sfc-Lift cond lev (LCL): 973.21 mb = 324.27 m = 1063.85 ft T: 21.75 C 700-500 lapse rate: 4.91 C/km Conv cond level (CCL): 961.46 mb = 430.40 m = 1412.07 ft Mean mixing ratio: 16.30 g/kg Conv temperature: 24.92 C = 76.86 F Cap Strength: 2.88 C Lifted Index: 1.85 C Risk: Showers probable Lifted Index @300 mb: 4.30 C Lifted Index @700 mb: 1.46 C Showalter Index: 0.53 C Risk: Thunderstorms probable Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.20 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 417.00 Risk: Severe Thunderstorms possible Energy Index: -0.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.79 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 2621.98 J/kg Cap Strength: 2.71 C Lift Cond Lev (LCL): 949.35 mb = 540.45 m = 1773.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 206 at 11 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 1009 6 350 5 0.9 -4.9 | 15 15 -3.9 -14.6 1 1000 87 345 5 1.3 -4.8 | 14 15 -3.5 -14.5 2 925 766 100 13 -12.8 2.3 | 67 19 -17.6 -7.4 3 850 1497 145 19 -10.9 15.6 | 111 17 -15.7 5.9 4 700 3143 165 11 -2.8 10.6 | 97 8 -7.7 1.0 5 500 5890 235 19 15.6 10.9 | 264 11 10.7 1.2 6 400 7630 275 13 13.0 -1.1 | 323 14 8.1 -10.8 7 300 9760 280 23 22.7 -4.0 | 307 22 17.8 -13.7 8 250 11050 300 21 18.2 -10.5 | 326 24 13.4 -20.2 9 200 12550 315 42 29.7 -29.7 | 328 47 24.9 -39.4 10 150 14370 330 27 13.5 -23.4 | 345 34 8.7 -33.1 Wind Parameters Mean winds (0-6000m): 176.5 at 14.4 knts Storm direction: 206.5 at 10.8 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 155.7 neg: -6.0 tot: 149.7 m^2/s^2 ave: 49.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.31 Bulk Shear: 57.07 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 28 7 27 18| 9.4 0.0 9.4| 41.4 -1.0 40.4 80.8 0.79| 10.7 8.5 1000 88 10 56 18| 9.4 0.0 9.4|110.1 -1.0 109.1 109.1 0.91| 12.2 11.1 1500 113 12 73 17| 8.1 0.0 8.1|155.4 -1.0 154.4 102.9 0.93| 11.5 10.7 2000 126 14 84 16| 5.5 0.0 5.5|155.7 -1.2 154.5 77.3 0.85| 9.4 8.0 2500 133 14 90 15| 3.9 0.0 3.9|155.7 -2.9 152.8 61.1 0.77| 8.2 6.3 3000 138 14 92 14| 2.9 0.0 2.9|155.7 -6.0 149.7 49.9 0.69| 7.3 5.0 4000 147 13 97 12| 2.4 0.0 2.4|162.8 -6.7 156.1 39.0 0.69| 6.2 4.3 5000 160 14 108 10| 2.1 0.0 2.1|171.4 -6.7 164.8 33.0 0.73| 5.7 4.2 6000 176 14 130 7| 1.8 0.0 1.8|185.8 -6.7 179.1 29.9 0.73| 5.5 4.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250527.12.gif