UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112600.upa.cvt Date: 0000Z 26 NOV 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 26 NOV 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 1020 6 16.8 10.8 68 6.0 13.3 340 3 288.3 289.7 285.6 310.8 7.99 1 1002 161 15.2 10.2 72 5.0 12.3 344 7 288.2 289.6 285.4 310.1 7.81 2 1000 178 15.4 9.4 67 6.0 12.0 345 7 288.5 289.9 285.1 309.4 7.41 3 987 289 17.0 3.0 39 14.0 9.7 354 8 291.2 292.1 283.4 305.1 4.81 4 925 838 13.4 2.4 47 11.0 7.8 40 15 293.0 293.9 284.3 307.3 4.92 5 850 1543 8.4 0.4 57 8.0 4.5 355 11 294.9 295.8 284.8 308.6 4.63 6 838 1660 8.2 0.2 57 8.0 4.2 348 11 295.9 296.8 285.2 309.6 4.63 7 834 1700 9.0 -5.0 37 14.0 2.8 346 11 297.2 297.8 284.1 306.7 3.16 8 821 1830 8.6 -10.4 25 19.0 1.1 339 10 298.1 298.5 283.2 304.6 2.11 9 812 1921 8.0 -4.0 42 12.0 2.5 334 10 298.4 299.0 284.9 309.0 3.50 10 805 1992 8.8 -20.2 11 29.0 -0.6 330 10 300.0 300.2 282.6 303.1 0.95 11 791 2138 8.8 -16.2 15 25.0 -0.2 322 10 301.5 301.8 283.7 305.9 1.36 12 754 2531 5.0 -3.0 56 8.0 1.3 299 9 301.5 302.3 286.7 313.9 4.06 13 743 2651 4.8 -6.2 45 11.0 -0.0 293 8 302.6 303.2 286.2 312.5 3.23 14 735 2739 5.8 -14.2 22 20.0 -1.7 288 8 304.6 304.9 285.4 310.2 1.73 15 722 2886 8.0 -17.0 15 25.0 -1.1 279 8 308.6 308.9 286.5 313.2 1.40 16 708 3047 7.0 -15.0 19 22.0 -1.3 270 7 309.2 309.5 287.0 314.7 1.68 17 700 3141 9.6 -34.4 3 44.0 -2.1 265 7 313.1 313.2 286.8 314.2 0.30 18 695 3201 10.6 -35.4 2 46.0 -1.7 265 7 314.9 314.9 287.3 315.8 0.27 19 691 3249 10.8 -34.2 3 45.0 -1.6 266 7 315.6 315.7 287.6 316.7 0.31 20 647 3795 9.0 -35.0 3 44.0 -3.0 269 9 319.6 319.6 288.9 320.7 0.30 21 500 5880 -4.1 -41.1 4 37.0 -11.8 280 17 328.0 328.1 291.4 328.8 0.21 22 400 7600 -14.9 -31.9 22 17.0 -18.8 290 33 335.6 335.8 293.9 338.1 0.66 23 396 7676 -15.3 -32.3 22 17.0 -19.1 289 33 336.1 336.2 293.9 338.5 0.64 24 386 7869 -15.1 -39.1 11 24.0 -19.7 286 33 338.8 338.9 294.3 340.1 0.33 25 300 9720 -29.5 -54.5 7 25.0 -31.7 260 29 343.8 343.8 295.3 344.1 0.08 26 250 10990 -41.1 -62.1 9 21.0 -42.0 260 29 345.0 345.0 295.6 345.1 0.04 27 248 11044 -41.7 -61.7 10 20.0 -42.6 260 30 344.9 344.9 295.5 345.0 0.04 28 238 11322 -42.9 -66.9 5 24.0 -43.7 262 34 347.1 347.1 296.0 347.2 0.02 29 213 12060 -49.3 -69.3 8 20.0 -49.8 267 46 348.4 348.4 296.3 348.4 0.02 30 200 12470 -51.7 -61.7 29 10.0 -52.0 270 52 350.9 350.9 296.8 351.1 0.05 31 199 12502 -51.7 -61.7 29 10.0 -52.0 270 52 351.4 351.4 297.0 351.6 0.05 32 190 12800 -54.5 -59.5 54 5.0 -54.6 266 51 351.6 351.6 297.0 351.9 0.07 33 173 13393 -59.1 -63.7 55 4.6 -59.2 260 49 353.5 353.5 297.4 353.7 0.04 34 164 13725 -62.1 -71.1 29 9.0 -62.2 256 48 353.9 354.0 297.5 354.0 0.02 35 153 14150 -65.9 -70.8 50 4.9 -66.0 251 46 354.5 354.5 297.6 354.6 0.02 36 150 14270 -66.7 -74.7 32 8.0 -66.8 250 46 355.2 355.2 297.7 355.2 0.01 37 147 14392 -67.3 -77.3 23 10.0 -67.4 251 45 356.2 356.2 298.0 356.2 0.01 38 138 14770 -70.3 -76.3 41 6.0 -70.4 255 43 357.4 357.4 298.2 357.5 0.01 39 113 15929 -80.1 -89.1 21 9.0 -80.1 267 37 360.2 360.2 298.7 360.2 0.00 40 109 16134 -78.5 -89.5 15 11.0 -78.5 270 36 366.9 366.9 300.0 366.9 0.00 41 100 16620 -82.5 -92.5 16 10.0 -82.5 275 33 368.3 368.3 300.2 368.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5702.00 m Freezing level: 546.01 mb = 5227.56 m = 17150.59 ft Wetbulb zero: 806.38 mb = 1978.27 m = 6490.31 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 22.85 % Est. max temperature: 22.94 C = 73.30 F Sfc-Lift cond lev (LCL): 932.59 mb = 768.82 m = 2522.35 ft T: 13.85 C 700-500 lapse rate: 5.00 C/km ThetaE index: 5.88 C Layer 805.0- 791.0 mb Conv cond level (CCL): 497.85 mb = 5913.19 m = 19400.00 ft Mean mixing ratio: 5.60 g/kg Conv temperature: 56.90 C = 134.42 F Cap Strength: 18.59 C Lifted Index: 19.96 C Risk: None Lifted Index @300 mb: 26.09 C Lifted Index @700 mb: 15.09 C Showalter Index: 19.11 C Risk: None Total Totals Index: 17.00 C Risk: None Vertical Totals Index: 12.50 C Cross Totals Index: 4.50 C K Index: -31.10 Risk: None Sweat Index: 43.80 Risk: None Energy Index: 4.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.62 J/kg Max Up Vert Vel: 6.58 m/s Conv Inhibition (B-): 13903.16 J/kg Cap Strength: 19.83 C Lift Cond Lev (LCL): 827.38 mb = 1765.84 m = 5793.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 8 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 1020 6 340 3 1.0 -2.8 | 154 5 -2.3 4.8 1 1000 178 345 7 1.8 -6.8 | 119 2 -1.6 0.9 2 925 838 40 15 -9.6 -11.5 | 74 14 -13.0 -3.9 3 850 1543 355 11 1.0 -11.0 | 36 4 -2.4 -3.3 4 700 3141 265 7 7.0 0.6 | 204 9 3.6 8.2 5 500 5880 280 17 16.7 -3.0 | 251 14 13.4 4.7 6 400 7600 290 33 31.0 -11.3 | 278 28 27.6 -3.6 7 300 9720 260 29 28.6 5.0 | 243 28 25.2 12.7 8 250 10990 260 29 28.6 5.0 | 243 28 25.2 12.7 9 200 12470 270 52 52.0 -0.0 | 261 49 48.6 7.6 10 150 14270 250 46 43.2 15.7 | 240 46 39.9 23.4 11 100 16620 275 33 32.9 -2.9 | 261 30 29.5 4.8 Wind Parameters Mean winds (0-6000m): 306.2 at 11.1 knts Storm direction: 336.2 at 8.3 knts Shear (0-3000m) pos: 2.1 neg: 3.2 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 54.4 deg Storm rel helicity (0-3000m) pos: 4.9 neg: -25.3 tot: -20.4 m^2/s^2 ave: -6.8 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.15 Bulk Shear: 10.07 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 ------------------------------------------------------------------------------- 500 358 8 90 3| 8.8 0.0 8.8| 0.0 -3.1 -3.1 -6.2 -0.45| 10.2 -4.6 1000 23 11 74 8| 6.3 0.0 6.3| 4.9 -7.4 -2.4 -2.4 -0.21| 9.6 -2.0 1500 21 11 68 8| 4.2 2.6 6.8| 4.9 -15.0 -10.1 -6.7 -0.29| 9.0 -2.6 2000 12 11 61 7| 3.2 3.2 6.4| 4.9 -17.8 -12.8 -6.4 -0.37| 8.2 -3.0 2500 4 11 53 5| 2.5 3.3 5.9| 4.9 -20.5 -15.6 -6.2 -0.41| 7.5 -3.1 3000 358 10 50 4| 2.1 3.2 5.3| 4.9 -25.3 -20.4 -6.8 -0.44| 7.0 -3.0 4000 341 10 7 2| 1.5 2.5 4.0| 12.0 -26.5 -14.5 -3.6 -0.35| 5.7 -2.0 5000 320 10 273 3| 1.2 2.0 3.2| 21.8 -26.5 -4.7 -0.9 -0.25| 5.0 -1.3 6000 306 11 259 6| 1.1 1.7 2.8| 34.5 -26.5 8.0 1.3 -0.16| 4.5 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251126.00.gif