UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 10 DEC 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 1018 6 20.0 16.7 81 3.3 17.8 0 0 291.7 293.8 290.3 325.1 11.82 1 927 812 16.0 8.0 59 8.0 11.4 137 11 295.5 296.8 287.6 316.6 7.27 2 925 830 15.8 7.8 59 8.0 11.2 140 11 295.5 296.8 287.5 316.3 7.19 3 850 1542 11.0 6.6 74 4.4 8.5 230 7 297.7 299.0 288.3 318.8 7.21 4 800 2045 7.6 6.3 91 1.3 6.9 227 9 299.3 300.6 289.2 321.4 7.50 5 785 2201 9.4 1.4 57 8.0 5.2 226 10 302.8 303.8 288.5 319.1 5.40 6 777 2287 10.2 8.0 86 2.2 8.9 225 11 304.6 306.2 291.9 330.6 8.70 7 769 2373 12.0 -6.0 28 18.0 3.6 225 11 307.4 308.0 287.9 317.4 3.17 8 762 2450 12.6 -13.4 15 26.0 2.1 224 12 308.8 309.2 286.9 314.6 1.78 9 759 2483 13.4 -10.6 18 24.0 3.0 224 12 310.1 310.5 287.9 317.3 2.24 10 748 2605 12.4 -2.6 35 15.0 4.8 223 12 310.3 311.1 289.8 323.5 4.22 11 716 2971 11.2 -28.8 4 40.0 -0.9 221 14 312.9 313.0 286.9 314.6 0.49 12 700 3160 12.0 -34.0 2 46.0 -0.9 220 15 315.8 315.8 287.7 316.9 0.31 13 696 3208 11.8 -34.2 2 46.0 -1.0 220 15 316.1 316.1 287.8 317.2 0.30 14 514 5681 -0.9 -29.9 9 29.0 -9.1 211 15 329.3 329.5 292.2 331.6 0.62 15 500 5900 -2.7 -31.7 9 29.0 -10.4 210 15 329.7 329.9 292.2 331.7 0.54 16 451 6705 -9.7 -32.7 13 23.0 -15.1 210 16 330.8 330.9 292.5 332.8 0.54 17 400 7620 -15.3 -42.3 8 27.0 -19.9 210 17 335.1 335.1 293.3 336.0 0.23 18 394 7734 -15.3 -46.3 5 31.0 -20.1 211 17 336.6 336.6 293.6 337.2 0.15 19 334 8959 -26.3 -49.3 10 23.0 -28.7 223 21 337.8 337.8 293.9 338.3 0.13 20 305 9612 -30.1 -55.1 7 25.0 -32.1 229 23 341.3 341.4 294.7 341.6 0.07 21 300 9730 -31.3 -52.3 11 21.0 -33.1 230 23 341.3 341.3 294.7 341.7 0.10 22 284 10115 -35.1 -48.1 25 13.0 -36.2 236 23 341.2 341.2 294.8 341.9 0.17 23 279 10238 -35.5 -57.5 9 22.0 -36.9 238 23 342.4 342.4 295.0 342.6 0.06 24 260 10724 -39.9 -46.9 47 7.0 -40.5 246 23 342.9 342.9 295.2 343.7 0.22 25 250 10990 -42.3 -49.3 46 7.0 -42.8 250 23 343.2 343.2 295.3 343.9 0.17 26 246 11098 -42.9 -49.9 46 7.0 -43.3 251 24 343.9 343.9 295.4 344.5 0.16 27 233 11461 -45.1 -59.1 19 14.0 -45.7 253 26 345.9 345.9 295.8 346.2 0.06 28 227 11634 -46.7 -52.7 50 6.0 -47.0 254 27 346.1 346.1 295.8 346.6 0.13 29 200 12460 -52.7 -64.7 22 12.0 -53.0 260 33 349.3 349.3 296.5 349.5 0.03 30 186 12925 -55.9 -68.9 18 13.0 -56.1 351.5 351.5 297.0 351.5 0.02 31 164 13714 -62.5 -68.5 44 6.0 -62.6 353.3 353.3 297.4 353.4 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5740.53 m Freezing level: 526.90 mb = 5505.35 m = 18061.94 ft Wetbulb zero: 720.89 mb = 2914.17 m = 9560.82 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 33.27 % Est. max temperature: 25.50 C = 77.90 F Sfc-Lift cond lev (LCL): 969.70 mb = 424.18 m = 1391.65 ft T: 17.92 C 700-500 lapse rate: 5.36 C/km ThetaE index: 16.00 C Layer 769.0- 759.0 mb Conv cond level (CCL): 836.72 mb = 1672.63 m = 5487.58 ft Mean mixing ratio: 9.33 g/kg Conv temperature: 26.46 C = 79.63 F Cap Strength: 13.73 C Lifted Index: 13.39 C Risk: None Lifted Index @300 mb: 15.23 C Lifted Index @700 mb: 11.36 C Showalter Index: 14.39 C Risk: None Total Totals Index: 23.00 C Risk: None Vertical Totals Index: 13.70 C Cross Totals Index: 9.30 C K Index: -25.70 Risk: None Sweat Index: 108.20 Risk: None Energy Index: 2.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.69 J/kg Max Up Vert Vel: 3.37 m/s Conv Inhibition (B-): 6312.11 J/kg Cap Strength: 13.65 C Lift Cond Lev (LCL): 891.06 mb = 1144.78 m = 3755.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 241 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 1018 6 0 0 -0.0 -0.0 | 61 9 -7.8 -4.4 1 925 830 140 11 -7.1 8.4 | 105 15 -14.9 4.0 2 850 1542 230 7 5.4 4.5 | 92 2 -2.5 0.1 3 700 3160 220 15 9.6 11.5 | 194 7 1.8 7.1 4 500 5900 210 15 7.5 13.0 | 178 9 -0.3 8.6 5 400 7620 210 17 8.5 14.7 | 184 10 0.7 10.3 6 300 9730 230 23 17.6 14.8 | 223 14 9.8 10.4 7 250 10990 250 23 21.6 7.9 | 256 14 13.8 3.5 8 200 12460 260 33 32.5 5.7 | 267 25 24.7 1.3 Wind Parameters Mean winds (0-6000m): 210.7 at 12.0 knts Storm direction: 240.7 at 9.0 knts Shear (0-3000m) pos: 1.6 neg: 0.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 69.7 neg: -4.1 tot: 65.6 m^2/s^2 ave: 21.9 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 13.33 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 ------------------------------------------------------------------------------- 500 164 3 82 9| 6.9 0.0 6.9| 14.6 -2.6 12.0 24.1 0.35| 8.8 3.0 1000 143 6 93 12| 5.1 0.0 5.1| 62.2 -2.6 59.6 59.6 0.67| 11.4 7.6 1500 156 7 101 11| 2.5 0.0 2.5| 66.4 -3.9 62.4 41.6 0.47| 11.0 5.1 2000 176 7 109 9| 2.4 0.0 2.4| 67.4 -4.1 63.3 31.7 0.48| 8.9 4.3 2500 192 8 119 7| 1.9 0.5 2.4| 68.7 -4.1 64.6 25.8 0.49| 7.6 3.8 3000 201 9 130 6| 1.6 0.9 2.5| 69.7 -4.1 65.6 21.9 0.48| 6.8 3.3 4000 208 10 148 6| 1.2 0.8 2.0| 69.8 -5.4 64.4 16.1 0.45| 5.3 2.4 5000 210 11 158 6| 1.0 0.7 1.6| 69.8 -7.2 62.6 12.5 0.42| 4.3 1.8 6000 211 12 164 6| 0.8 0.6 1.4| 70.0 -8.8 61.2 10.2 0.39| 3.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251210.00.gif