UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 27 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 1026 6 17.2 12.5 74 4.7 14.4 20 3 288.2 289.8 286.5 313.2 8.90 1 1000 222 15.8 9.8 67 6.0 12.3 10 9 289.0 290.3 285.5 310.4 7.62 2 966 517 17.0 2.0 36 15.0 9.3 14 18 293.0 293.9 284.0 306.4 4.57 3 925 885 13.8 0.8 41 13.0 7.3 20 29 293.4 294.2 283.9 306.2 4.38 4 890 1208 10.4 -0.6 46 11.0 5.1 31 32 293.2 293.9 283.5 305.2 4.11 5 852 1570 7.4 -3.6 46 11.0 2.5 44 35 293.7 294.3 283.0 303.9 3.44 6 850 1589 7.4 -4.6 42 12.0 2.1 45 35 293.9 294.5 282.7 303.4 3.19 7 846 1628 7.2 -6.8 36 14.0 1.4 45 35 294.1 294.6 282.3 302.2 2.71 8 834 1745 8.0 -18.0 14 26.0 -0.6 46 33 296.1 296.3 281.2 299.6 1.11 9 805 2037 8.0 -34.0 3 42.0 -2.1 48 30 299.1 299.2 281.4 300.1 0.27 10 749 2630 7.6 -18.4 14 26.0 -1.4 52 23 304.9 305.2 284.9 308.8 1.20 11 700 3181 2.6 -14.4 27 17.0 -3.6 55 17 305.4 305.7 285.7 311.1 1.79 12 682 3391 0.4 -12.6 37 13.0 -4.4 44 17 305.2 305.6 286.0 311.9 2.13 13 667 3569 0.0 -16.0 29 16.0 -5.5 35 18 306.7 307.0 286.0 312.0 1.64 14 640 3904 5.6 18 19 316.7 15 604 4377 4.4 -35.6 4 40.0 -5.8 354 20 320.6 320.7 289.3 321.7 0.30 16 528 5458 -2.7 -37.7 5 35.0 -10.6 298 22 324.6 324.7 290.5 325.7 0.28 17 500 5890 -3.1 -41.1 3 38.0 -11.2 275 23 329.3 329.3 291.7 330.1 0.21 18 470 6377 -5.1 -44.1 3 39.0 -12.8 281 26 332.7 332.7 292.6 333.3 0.16 19 400 7620 -14.1 -36.1 14 22.0 -18.7 295 33 336.7 336.8 293.9 338.3 0.44 20 341 8807 -22.9 -34.9 33 12.0 -25.2 276 29 340.4 340.5 295.0 342.6 0.58 21 326 9134 -25.7 -44.7 15 19.0 -28.2 270 27 341.0 341.0 294.8 341.8 0.22 22 300 9730 -29.7 -55.7 6 26.0 -31.9 260 25 343.5 343.5 295.2 343.8 0.07 23 293 9899 -30.7 -56.7 6 26.0 -32.7 262 27 344.4 344.4 295.4 344.7 0.06 24 250 11010 -39.3 -56.3 15 17.0 -40.3 275 38 347.6 347.7 296.2 348.0 0.07 25 249 11037 -39.3 -56.3 15 17.0 -40.3 275 38 348.0 348.1 296.3 348.4 0.08 26 225 11718 -45.9 -57.9 25 12.0 -46.4 273 39 348.2 348.2 296.3 348.5 0.07 27 215 12019 -47.5 -63.5 14 16.0 -48.0 272 39 350.2 350.2 296.7 350.4 0.03 28 203 12394 -50.9 -64.9 17 14.0 -51.2 270 40 350.7 350.7 296.8 350.8 0.03 29 200 12490 -51.5 -66.5 15 15.0 -51.8 270 40 351.2 351.2 296.9 351.3 0.02 30 184 13027 -55.5 -70.5 14 15.0 -55.8 254 41 353.2 353.2 297.3 353.3 0.02 31 150 14300 -66.1 -78.1 17 12.0 -66.2 215 44 356.2 356.2 298.0 356.2 0.01 32 128 15241 -74.1 -80.1 39 6.0 -74.1 235 37 358.3 358.3 298.4 358.4 0.01 33 119 15661 -77.7 -84.7 31 7.0 -77.7 244 33 359.3 359.3 298.5 359.3 0.00 34 100 16640 -83.7 -90.7 28 7.0 -83.7 265 25 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5668.00 m Freezing level: 556.90 mb = 5046.80 m = 16557.54 ft Wetbulb zero: 837.51 mb = 1710.61 m = 5612.19 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 23.05 % Est. max temperature: 22.37 C = 72.27 F Sfc-Lift cond lev (LCL): 956.64 mb = 599.41 m = 1966.56 ft T: 16.28 C 700-500 lapse rate: 2.10 C/km ThetaE index: 13.53 C Layer 1000.0- 805.0 mb Conv cond level (CCL): 686.08 mb = 3342.96 m = 10967.59 ft Mean mixing ratio: 5.97 g/kg Conv temperature: 34.34 C = 93.80 F Cap Strength: 17.44 C Lifted Index: 20.20 C Risk: None Lifted Index @300 mb: 25.07 C Lifted Index @700 mb: 7.50 C Showalter Index: 23.54 C Risk: None Total Totals Index: 9.00 C Risk: None Vertical Totals Index: 10.50 C Cross Totals Index: -1.50 C K Index: -11.10 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 5.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.24 J/kg Max Up Vert Vel: 6.82 m/s Conv Inhibition (B-): 13319.15 J/kg Cap Strength: 19.48 C Lift Cond Lev (LCL): 836.94 mb = 1716.23 m = 5630.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 53 at 17 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 1026 6 20 3 -1.0 -2.8 | 240 14 12.4 7.3 1 1000 222 10 9 -1.6 -8.9 | 264 12 11.9 1.3 2 925 885 20 29 -9.9 -27.3 | 348 17 3.5 -17.1 3 850 1589 45 35 -24.7 -24.7 | 38 18 -11.3 -14.6 4 700 3181 55 17 -13.9 -9.8 | 128 1 -0.5 0.4 5 500 5890 275 23 22.9 -2.0 | 257 37 36.4 8.1 6 400 7620 295 33 29.9 -13.9 | 275 44 43.4 -3.8 7 300 9730 260 25 24.6 4.3 | 249 41 38.1 14.5 8 250 11010 275 38 37.9 -3.3 | 262 52 51.3 6.8 9 200 12490 270 40 40.0 -0.0 | 259 54 53.4 10.1 10 150 14300 215 44 25.2 36.0 | 220 60 38.7 46.2 11 100 16640 265 25 24.9 2.2 | 252 40 38.4 12.3 Wind Parameters Mean winds (0-6000m): 23.0 at 22.4 knts Storm direction: 53.0 at 16.8 knts Shear (0-3000m) pos: 2.1 neg: 2.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): -178.9 deg Storm rel helicity (0-3000m) pos: 156.7 neg: 0.0 tot: 156.7 m^2/s^2 ave: 52.2 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 7.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.10 Bulk Shear: 21.18 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 13 10 269 11| 0.0 15.0 15.0| 43.5 0.0 43.5 86.9 0.95| 15.2 14.4 1000 18 17 309 10| 6.7 7.5 14.2| 90.4 0.0 90.4 90.4 0.91| 14.8 13.5 1500 26 22 340 11| 7.0 5.0 12.0|140.0 0.0 140.0 93.4 0.94| 13.6 12.7 2000 32 25 360 11| 4.7 3.8 8.5|152.8 0.0 152.8 76.4 0.86| 11.9 10.2 2500 36 26 8 11| 3.0 3.0 6.0|155.4 0.0 155.4 62.2 0.78| 10.7 8.4 3000 38 25 12 10| 2.1 2.5 4.6|156.7 0.0 156.7 52.2 0.72| 9.9 7.2 4000 38 23 6 8| 1.6 2.9 4.5|156.9 -5.9 151.0 37.8 0.52| 9.4 4.9 5000 30 23 347 10| 1.3 3.3 4.6|156.9 -61.7 95.2 19.0 0.30| 9.4 2.9 6000 23 22 336 12| 1.1 3.1 4.2|163.1-188.2 -25.1 -4.2 0.13| 9.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251127.00.gif