UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 5 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 1021 6 20.4 16.1 76 4.3 17.6 265 1 291.8 293.8 289.9 323.9 11.34 1 1000 188 18.6 15.8 84 2.8 16.8 50 3 291.8 293.8 289.9 323.9 11.36 2 969 458 16.2 14.8 91 1.4 15.3 50 3 292.0 293.9 289.7 323.1 10.98 3 925 853 14.6 14.6 100 0.0 14.6 50 3 294.2 296.3 290.8 326.8 11.37 4 900 1085 13.8 13.8 100 0.0 13.8 78 6 295.7 297.7 291.0 327.6 11.09 5 850 1568 12.2 12.2 100 0.0 12.2 135 11 298.9 300.8 291.6 329.8 10.56 6 704 3128 4.2 4.2 100 0.0 4.2 349 17 306.6 308.0 291.5 329.0 7.37 7 700 3174 3.8 2.2 89 1.6 2.9 345 17 306.7 307.9 290.6 326.3 6.42 8 692 3267 3.0 -3.0 65 6.0 0.1 343 17 306.8 307.6 288.9 320.5 4.43 9 691 3279 6.4 -12.6 24 19.0 -1.2 343 17 310.7 311.1 287.9 317.5 2.10 10 690 3291 7.6 -23.4 9 31.0 -2.4 342 18 312.2 312.3 287.1 315.0 0.84 11 688 3315 8.2 -15.8 16 24.0 -1.0 342 18 313.1 313.4 288.2 318.5 1.62 12 687 3327 8.0 -2.0 49 10.0 2.8 341 18 313.0 313.9 291.2 328.2 4.81 13 666 3583 6.6 -2.4 53 9.0 2.0 335 19 314.2 315.2 291.6 329.5 4.82 14 617 4205 1.6 -3.4 69 5.0 -0.9 321 22 315.4 316.4 291.9 330.8 4.83 15 592 4538 0.0 -4.8 70 4.8 -2.3 313 23 317.3 318.2 292.2 331.9 4.53 16 583 4660 -0.3 -6.3 64 6.0 -3.1 310 24 318.4 319.2 292.2 331.7 4.10 17 566 4898 0.0 -29.0 9 29.0 -8.1 304 25 321.4 321.6 289.9 323.6 0.61 18 536 5332 -2.3 -26.3 14 24.0 -9.3 293 27 323.7 323.9 290.7 326.7 0.83 19 517 5618 -4.9 -18.9 32 14.0 -9.7 286 28 324.0 324.3 291.6 329.7 1.66 20 500 5880 -7.3 -22.3 29 15.0 -11.9 280 29 324.1 324.4 291.3 328.6 1.28 21 499 5896 -7.3 -23.3 27 16.0 -12.1 280 29 324.3 324.6 291.3 328.4 1.17 22 487 6086 -6.7 -40.7 5 34.0 -13.5 279 29 327.3 327.4 291.2 328.2 0.22 23 451 6680 -12.1 -29.1 23 17.0 -16.3 275 30 327.8 328.0 291.9 330.6 0.76 24 418 7258 -15.3 -38.3 12 23.0 -19.6 272 31 330.9 331.0 292.3 332.2 0.34 25 413 7349 -14.9 -40.9 9 26.0 -19.4 271 31 332.6 332.6 292.7 333.6 0.26 26 400 7590 -16.5 -36.5 16 20.0 -20.4 270 31 333.5 333.6 293.1 335.1 0.42 27 394 7703 -16.5 -49.5 4 33.0 -21.0 270 32 335.0 335.0 293.2 335.4 0.11 28 343 8727 -22.7 -50.7 6 28.0 -26.0 270 38 340.1 340.1 294.4 340.6 0.11 29 300 9690 -30.7 -51.7 11 21.0 -32.6 270 44 342.1 342.1 294.9 342.6 0.11 30 265 10559 -38.5 -57.5 12 19.0 -39.6 250 45 343.1 343.1 295.1 343.3 0.06 31 251 10933 -39.5 -65.5 5 26.0 -40.6 241 46 346.9 346.9 296.0 347.0 0.02 32 250 10960 -39.7 -66.7 4 27.0 -40.8 240 46 347.0 347.0 296.0 347.1 0.02 33 200 12450 -51.3 -72.3 6 21.0 -51.7 250 54 351.5 351.5 297.0 351.6 0.01 34 178 13193 -57.7 -76.7 7 19.0 -57.9 248 50 353.0 353.0 297.3 353.0 0.01 35 150 14250 -65.3 -82.3 8 17.0 -65.4 245 44 357.6 357.6 298.2 357.6 0.00 36 136 14841 -70.1 -83.1 13 13.0 -70.2 250 39 359.3 359.3 298.5 359.3 0.00 37 101 16564 -81.3 -92.3 14 11.0 -81.3 265 25 369.6 369.6 300.5 369.6 0.00 38 100 16620 -80.7 -91.7 14 11.0 -80.7 265 25 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 592.00 mb = 4537.58 m = 14886.89 ft Freezing level: 566.00 mb = 4897.54 m = 16067.85 ft Freezing level: 566.00 mb = 4897.54 m = 16067.85 ft Wetbulb zero: 691.90 mb = 3268.56 m = 10723.49 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 72.12 % Est. max temperature: 26.18 C = 79.13 F Sfc-Lift cond lev (LCL): 958.27 mb = 552.46 m = 1812.50 ft T: 15.82 C 700-500 lapse rate: 4.10 C/km ThetaE index: 14.72 C Layer 704.0- 688.0 mb Conv cond level (CCL): 912.11 mb = 972.03 m = 3189.02 ft Mean mixing ratio: 11.21 g/kg Conv temperature: 23.61 C = 74.50 F Cap Strength: 8.11 C Lifted Index: 6.74 C Risk: None Lifted Index @300 mb: 13.23 C Lifted Index @700 mb: 1.61 C Showalter Index: 4.05 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 19.50 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 197.40 Risk: None Energy Index: -0.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.35 J/kg Max Up Vert Vel: 4.55 m/s Conv Inhibition (B-): 7603.67 J/kg Cap Strength: 8.13 C Lift Cond Lev (LCL): 946.29 mb = 659.46 m = 2163.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 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 1021 6 265 1 1.0 0.1 | 166 12 -2.8 11.6 1 1000 188 50 3 -2.3 -1.9 | 147 11 -6.1 9.5 2 925 853 50 3 -2.3 -1.9 | 147 11 -6.1 9.5 3 850 1568 135 11 -7.8 7.8 | 149 22 -11.6 19.3 4 700 3174 345 17 4.4 -16.4 | 354 5 0.6 -4.9 5 500 5880 280 29 28.6 -5.0 | 255 26 24.7 6.4 6 400 7590 270 31 31.0 -0.0 | 247 29 27.2 11.5 7 300 9690 270 44 44.0 -0.0 | 254 42 40.2 11.5 8 250 10960 240 46 39.8 23.0 | 226 50 36.0 34.5 9 200 12450 250 54 50.7 18.5 | 237 56 46.9 29.9 10 150 14250 245 44 39.9 18.6 | 230 47 36.0 30.1 11 100 16620 265 25 24.9 2.2 | 237 25 21.1 13.7 Wind Parameters Mean winds (0-6000m): 311.5 at 16.1 knts Storm direction: 341.5 at 12.1 knts Shear (0-3000m) pos: 1.9 neg: 4.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): -126.7 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -131.5 tot: -114.2 m^2/s^2 ave: -38.1 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 36.51 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 47 3 149 11| 4.0 0.0 4.0| 0.0 -10.0 -10.0 -20.0 -0.71| 5.2 -3.7 1000 51 3 147 11| 2.9 0.0 2.9| 0.0 -14.9 -14.9 -14.9 -0.72| 3.7 -2.6 1500 90 4 144 14| 3.8 0.0 3.8| 14.7 -17.0 -2.2 -1.5 -0.17| 5.7 -1.0 2000 105 6 143 16| 2.8 1.8 4.6| 17.3 -60.7 -43.5 -21.7 -0.39| 6.6 -2.6 2500 89 8 134 16| 2.3 3.4 5.6| 17.3-105.4 -88.1 -35.2 -0.53| 7.6 -4.0 3000 63 9 122 14| 1.9 4.1 6.0| 17.3-131.5-114.2 -38.1 -0.59| 8.5 -5.0 4000 5 11 92 5| 1.4 3.9 5.4| 17.3-148.5-131.2 -32.8 -0.64| 8.0 -5.1 5000 335 14 295 2| 1.1 3.6 4.8| 17.3-173.4-156.1 -31.2 -0.64| 7.5 -4.8 6000 311 16 265 8| 0.9 3.3 4.3| 17.3-217.0-199.8 -33.3 -0.64| 7.2 -4.6 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251205.00.gif