UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052700.upa.cvt Date: 0000Z 27 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 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 1012 6 24.4 19.4 74 5.0 20.9 340 1 296.5 299.1 293.7 337.3 14.15 1 1000 109 23.4 19.1 77 4.3 20.4 355 1 296.5 299.1 293.6 337.1 14.05 2 925 785 18.4 18.2 99 0.2 18.3 95 7 298.1 300.7 294.3 339.8 14.36 3 897 1050 17.4 17.4 100 0.0 17.4 111 11 299.7 302.3 294.5 340.9 14.08 4 878 1234 17.8 17.8 100 0.0 17.8 123 13 302.0 304.7 295.6 345.5 14.76 5 850 1512 17.0 17.0 100 0.0 17.0 140 17 304.0 306.6 296.0 347.0 14.49 6 713 2998 10.0 10.0 100 0.0 10.0 181 22 311.9 314.0 295.6 345.4 10.89 7 700 3152 10.4 8.9 90 1.5 9.5 185 23 314.0 316.0 295.7 345.9 10.29 8 648 3792 6.6 4.1 84 2.5 5.1 192 21 316.7 318.2 294.7 341.8 7.95 9 645 3830 7.0 2.3 72 4.7 4.3 192 21 317.6 318.9 294.3 339.9 7.02 10 630 4024 6.8 2.8 76 4.0 4.5 194 20 319.5 320.9 295.1 343.3 7.46 11 563 4940 0.8 -0.5 91 1.3 0.1 204 18 322.9 324.2 295.3 344.2 6.57 12 539 5290 0.4 -4.1 72 4.5 -1.9 208 17 326.4 327.5 295.2 343.8 5.25 13 500 5890 -3.3 -6.0 82 2.7 -4.7 215 15 329.0 330.0 295.6 345.4 4.89 14 490 6050 -4.7 -6.6 87 1.9 -5.6 218 15 329.2 330.2 295.6 345.2 4.77 15 484 6147 -5.3 -8.1 81 2.8 -6.6 220 16 329.6 330.5 295.3 344.1 4.30 16 457 6598 -5.9 -12.9 58 7.0 -8.9 229 17 334.3 335.0 295.6 345.1 3.10 17 428 7109 -9.7 -13.8 72 4.1 -11.4 239 18 335.8 336.4 295.8 346.6 3.08 18 403 7573 -12.3 -20.3 51 8.0 -15.0 249 19 338.3 338.7 295.6 345.1 1.89 19 400 7630 -12.7 -17.7 66 5.0 -14.5 250 19 338.5 339.0 296.0 347.0 2.38 20 399 7649 -12.9 -17.4 69 4.5 -14.6 250 19 338.5 339.0 296.0 347.2 2.45 21 396 7707 -12.7 -22.7 43 10.0 -15.9 251 19 339.5 339.8 295.6 345.1 1.56 22 388 7862 -13.9 -20.9 55 7.0 -16.2 254 19 339.9 340.3 295.9 346.6 1.86 23 362 8386 -17.7 -26.7 45 9.0 -20.1 262 19 341.6 341.8 295.7 346.0 1.19 24 348 8681 -18.7 -43.7 9 25.0 -22.7 267 19 344.1 344.2 295.5 345.0 0.23 25 347 8703 -18.7 -42.7 10 24.0 -22.7 267 19 344.4 344.5 295.6 345.4 0.26 26 329 9098 -22.1 -28.1 58 6.0 -23.6 274 19 345.0 345.3 296.5 349.4 1.15 27 300 9770 -27.5 -30.4 76 2.9 -28.1 285 19 346.6 346.8 296.7 350.5 1.02 28 293 9939 -29.1 -30.6 87 1.5 -29.4 289 19 346.7 346.9 296.8 350.6 1.02 29 283 10185 -30.3 -37.3 50 7.0 -31.4 295 20 348.4 348.6 296.8 350.6 0.55 30 266 10621 -33.9 -38.6 62 4.7 -34.6 305 20 349.4 349.5 297.0 351.4 0.51 31 250 11050 -37.9 -42.5 62 4.6 -38.4 315 21 349.7 349.8 296.9 351.2 0.36 32 200 12540 -51.1 -54.0 71 2.9 -51.2 300 31 351.8 351.9 297.1 352.4 0.12 33 180 13216 -57.5 -59.5 78 2.0 -57.6 307 28 352.2 352.2 297.1 352.5 0.07 34 176 13358 -58.5 -60.5 78 2.0 -58.6 309 27 352.8 352.8 297.3 353.1 0.06 35 167 13687 -59.9 -69.9 26 10.0 -60.0 313 26 355.8 355.8 297.9 355.9 0.02 36 155 14149 -63.5 -66.3 69 2.8 -63.6 318 24 357.3 357.3 298.2 357.5 0.03 37 150 14350 -64.1 -78.1 13 14.0 -64.2 320 23 359.7 359.7 298.7 359.7 0.01 38 149 14391 -64.3 -81.3 8 17.0 -64.4 320 23 360.0 360.0 298.7 360.0 0.00 39 121 15634 -73.7 -83.7 20 10.0 -73.7 325 22 364.9 364.9 299.7 364.9 0.00 40 100 16730 -79.7 -86.7 30 7.0 -79.7 330 21 373.7 373.7 301.2 373.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 534.78 mb = 5354.98 m = 17568.63 ft Wetbulb zero: 562.06 mb = 4953.01 m = 16249.83 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 89.36 % Est. max temperature: 30.99 C = 87.77 F Sfc-Lift cond lev (LCL): 940.76 mb = 638.47 m = 2094.69 ft T: 19.48 C 700-500 lapse rate: 5.00 C/km ThetaE index: 1.66 C Layer 713.0- 700.0 mb Conv cond level (CCL): 905.75 mb = 966.02 m = 3169.33 ft Mean mixing ratio: 14.21 g/kg Conv temperature: 27.09 C = 80.76 F Cap Strength: 4.31 C Lifted Index: 4.06 C Risk: None Lifted Index @300 mb: 7.46 C Lifted Index @700 mb: 3.17 C Showalter Index: 0.72 C Risk: Thunderstorms probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.30 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 398.74 Risk: Showers and thunderstorms possible Energy Index: -0.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.58 J/kg Max Up Vert Vel: 3.34 m/s Conv Inhibition (B-): 4851.35 J/kg Cap Strength: 4.26 C Lift Cond Lev (LCL): 930.19 mb = 736.51 m = 2416.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 210 at 12 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 1012 6 340 1 0.3 -0.9 | 27 13 -5.8 -11.6 1 1000 109 355 1 0.1 -1.0 | 28 13 -6.1 -11.7 2 925 785 95 7 -7.0 0.6 | 53 17 -13.2 -10.1 3 850 1512 140 17 -10.9 13.0 | 98 17 -17.1 2.3 4 700 3152 185 23 2.0 22.9 | 161 13 -4.2 12.2 5 500 5890 215 15 8.6 12.3 | 236 3 2.4 1.6 6 400 7630 250 19 17.9 6.5 | 290 12 11.7 -4.2 7 300 9770 285 19 18.4 -4.9 | 322 20 12.2 -15.6 8 250 11050 315 21 14.8 -14.8 | 341 27 8.7 -25.5 9 200 12540 300 31 26.8 -15.5 | 322 33 20.7 -26.2 10 150 14350 320 23 14.8 -17.6 | 343 30 8.6 -28.3 11 100 16730 330 21 10.5 -18.2 | 351 29 4.3 -28.9 Wind Parameters Mean winds (0-6000m): 180.1 at 16.4 knts Storm direction: 210.1 at 12.3 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 127.1 deg Storm rel helicity (0-3000m) pos: 152.6 neg: -0.1 tot: 152.5 m^2/s^2 ave: 50.8 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 6.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 44.60 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 39 2 32 15| 4.5 0.0 4.5| 10.9 -0.1 10.7 21.5 0.54| 5.0 2.7 1000 93 5 46 15| 5.5 0.0 5.5| 48.1 -0.1 47.9 47.9 0.82| 6.8 5.6 1500 118 8 61 15| 6.1 0.0 6.1| 94.4 -0.1 94.2 62.8 0.90| 8.0 7.2 2000 131 10 74 14| 5.1 0.0 5.1|114.1 -0.1 114.0 57.0 0.91| 7.2 6.5 2500 142 12 85 14| 4.5 0.0 4.5|133.3 -0.1 133.2 53.3 0.91| 6.8 6.2 3000 152 14 96 13| 4.0 0.0 4.0|152.6 -0.1 152.5 50.8 0.92| 6.6 6.1 4000 166 16 114 11| 2.7 0.0 2.7|165.1 -0.1 165.0 41.2 0.89| 5.7 5.1 5000 174 16 126 10| 1.9 0.0 1.9|170.1 -0.1 170.0 34.0 0.86| 5.1 4.3 6000 180 16 133 8| 1.4 0.0 1.4|173.4 -0.1 173.3 28.9 0.85| 4.6 3.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250527.00.gif