UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 1 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 1011 6 23.4 16.4 65 7.0 18.8 0 0 295.6 297.7 291.5 329.2 11.68 1 1000 104 23.2 16.2 65 7.0 18.5 140 3 296.4 298.5 291.7 330.0 11.66 2 925 779 17.6 15.1 85 2.5 16.0 175 11 297.3 299.4 292.1 331.3 11.74 3 923 798 17.6 15.4 87 2.2 16.1 177 11 297.5 299.7 292.3 332.3 12.00 4 897 1042 16.4 14.8 90 1.6 15.4 199 11 298.7 300.9 292.6 333.3 11.88 5 872 1283 16.0 11.5 75 4.5 13.1 220 11 300.7 302.5 291.6 329.6 9.82 6 859 1411 17.6 4.6 42 13.0 10.2 232 11 303.7 304.8 289.5 322.4 6.20 7 850 1501 17.2 3.2 39 14.0 9.4 240 11 304.2 305.2 289.2 321.3 5.67 8 849 1511 17.2 3.2 39 14.0 9.4 240 11 304.3 305.3 289.2 321.5 5.68 9 820 1806 14.2 9.2 72 5.0 11.2 246 12 304.1 305.8 292.0 330.9 8.94 10 813 1878 14.0 8.0 67 6.0 10.4 248 12 304.7 306.2 291.6 329.6 8.31 11 802 1993 15.4 -9.6 17 25.0 4.4 250 13 307.3 307.8 286.9 314.7 2.30 12 700 3138 12.0 -22.0 8 34.0 0.0 275 17 315.8 316.0 288.4 319.0 0.94 13 670 3503 11.6 -23.4 7 35.0 -0.6 276 18 319.3 319.5 289.5 322.3 0.86 14 557 5018 3.0 -34.0 5 37.0 -6.9 282 21 326.5 326.5 291.1 327.9 0.39 15 529 5432 -0.7 -21.7 19 21.0 -7.8 283 22 326.9 327.1 292.1 331.4 1.27 16 500 5880 -2.3 -30.3 10 28.0 -10.1 285 23 330.2 330.4 292.4 332.5 0.62 17 440 6886 -8.5 -39.5 6 31.0 -15.0 288 21 334.7 334.7 293.3 335.8 0.28 18 438 6921 -8.3 -45.3 3 37.0 -15.1 288 21 335.4 335.4 293.3 336.0 0.15 19 400 7620 -13.9 -50.9 3 37.0 -19.2 290 19 336.9 336.9 293.6 337.3 0.09 20 300 9730 -31.1 -51.1 12 20.0 -32.9 280 27 341.5 341.6 294.8 342.0 0.12 21 290 9968 -33.1 -52.1 13 19.0 -34.7 280 27 342.0 342.0 294.9 342.5 0.11 22 275 10338 -35.9 -57.9 9 22.0 -37.2 280 27 343.2 343.2 295.1 343.4 0.06 23 250 10990 -41.3 -61.3 10 20.0 -42.2 280 27 344.7 344.7 295.5 344.8 0.04 24 240 11266 -43.5 -62.5 11 19.0 -44.2 277 28 345.4 345.4 295.6 345.6 0.04 25 225 11698 -47.1 -55.1 40 8.0 -47.4 273 30 346.3 346.3 295.9 346.7 0.10 26 221 11816 -48.3 -58.3 31 10.0 -48.7 272 30 346.3 346.3 295.8 346.5 0.07 27 212 12090 -49.3 -68.3 9 19.0 -49.8 269 31 348.8 348.8 296.4 348.9 0.02 28 200 12470 -52.5 -68.5 13 16.0 -52.8 265 33 349.6 349.6 296.5 349.7 0.02 29 156 14032 -64.9 -75.9 21 11.0 -65.0 291 28 354.3 354.3 297.5 354.3 0.01 30 150 14270 -66.5 -76.5 23 10.0 -66.5 295 27 355.5 355.5 297.8 355.6 0.01 31 111 16039 -78.9 -87.9 22 9.0 -78.9 284 28 364.2 364.2 299.5 364.3 0.00 32 100 16630 -80.7 -91.7 14 11.0 -80.7 280 29 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 534.30 mb = 5353.67 m = 17564.31 ft Wetbulb zero: 699.08 mb = 3148.96 m = 10331.10 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 29.08 % Est. max temperature: 31.01 C = 87.81 F Sfc-Lift cond lev (LCL): 912.26 mb = 897.58 m = 2944.77 ft T: 17.11 C 700-500 lapse rate: 5.22 C/km ThetaE index: 16.23 C Layer 813.0- 700.0 mb Conv cond level (CCL): 640.43 mb = 3873.30 m = 12707.53 ft Mean mixing ratio: 11.73 g/kg Conv temperature: 48.93 C = 120.07 F Cap Strength: 8.86 C Lifted Index: 8.52 C Risk: None Lifted Index @300 mb: 8.67 C Lifted Index @700 mb: 7.41 C Showalter Index: 13.35 C Risk: None Total Totals Index: 25.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 5.50 C K Index: -11.30 Risk: None Sweat Index: 83.40 Risk: None Energy Index: 2.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.91 J/kg Max Up Vert Vel: 2.80 m/s Conv Inhibition (B-): 6301.19 J/kg Cap Strength: 8.86 C Lift Cond Lev (LCL): 897.10 mb = 1040.84 m = 3414.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 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 1011 6 0 0 -0.0 -0.0 | 118 12 -10.4 5.6 1 1000 104 140 3 -1.9 2.3 | 123 15 -12.3 7.9 2 925 779 175 11 -1.0 11.0 | 146 20 -11.3 16.5 3 850 1501 240 11 9.5 5.5 | 176 11 -0.8 11.1 4 700 3138 275 17 16.9 -1.5 | 238 8 6.6 4.1 5 500 5880 285 23 22.2 -6.0 | 272 12 11.9 -0.4 6 400 7620 290 19 17.9 -6.5 | 277 8 7.5 -0.9 7 300 9730 280 27 26.6 -4.7 | 267 16 16.2 0.9 8 250 10990 280 27 26.6 -4.7 | 267 16 16.2 0.9 9 200 12470 265 33 32.9 2.9 | 249 24 22.5 8.5 10 150 14270 295 27 24.5 -11.4 | 292 15 14.1 -5.8 11 100 16630 280 29 28.6 -5.0 | 268 18 18.2 0.6 Wind Parameters Mean winds (0-6000m): 268.4 at 15.7 knts Storm direction: 298.4 at 11.8 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 112.7 deg Storm rel helicity (0-3000m) pos: 96.0 neg: 0.0 tot: 96.0 m^2/s^2 ave: 32.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 43.29 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 ------------------------------------------------------------------------------- 500 154 5 128 16| 8.0 0.0 8.0| 19.2 0.0 19.2 38.5 0.56| 8.4 4.7 1000 173 7 139 17| 5.7 0.0 5.7| 53.3 0.0 53.3 53.3 0.71| 8.2 5.8 1500 191 9 148 16| 3.8 0.0 3.8| 74.0 0.0 74.0 49.3 0.68| 8.4 5.7 2000 209 9 157 15| 3.3 0.0 3.3| 81.4 0.0 81.4 40.7 0.70| 7.0 5.0 2500 224 10 166 13| 3.0 0.0 3.0| 88.7 0.0 88.7 35.5 0.73| 6.3 4.6 3000 237 11 175 12| 2.8 0.0 2.8| 96.0 0.0 96.0 32.0 0.75| 5.8 4.4 4000 253 13 191 10| 2.4 0.0 2.4|102.0 0.0 102.0 25.5 0.76| 4.8 3.6 5000 262 14 206 8| 2.2 0.0 2.2|107.1 0.0 107.1 21.4 0.77| 4.1 3.1 6000 268 16 221 8| 1.9 0.0 1.9|112.3 0.0 112.3 18.7 0.76| 3.6 2.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251201.12.gif