UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 21 OCT 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 1015 6 24.8 15.8 57 9.0 18.8 345 7 296.7 298.7 291.5 329.0 11.19 1 1000 140 23.6 15.6 61 8.0 18.3 340 15 296.8 298.8 291.5 329.2 11.21 2 925 815 17.6 14.3 81 3.3 15.5 20 27 297.3 299.3 291.6 329.6 11.14 3 868 1356 13.6 12.8 95 0.8 13.1 46 21 298.6 300.6 291.7 330.0 10.76 4 852 1514 16.2 11.6 74 4.6 13.3 54 19 302.9 304.8 292.5 333.0 10.12 5 850 1534 16.2 11.6 74 4.6 13.3 55 19 303.1 305.0 292.6 333.3 10.15 6 835 1686 16.0 10.0 68 6.0 12.3 55 19 304.5 306.2 292.3 332.2 9.27 7 781 2250 11.2 8.0 81 3.2 9.3 53 19 305.2 306.8 292.0 331.2 8.65 8 730 2813 9.2 2.2 62 7.0 5.4 51 19 308.9 310.1 291.1 327.9 6.15 9 701 3150 10.4 -7.6 27 18.0 2.0 50 19 313.9 314.5 289.9 323.8 3.08 10 700 3162 10.4 -7.6 27 18.0 2.0 50 19 314.0 314.6 289.9 323.9 3.08 11 649 3787 7.6 -9.4 29 17.0 -0.1 16 15 317.7 318.3 290.9 327.2 2.89 12 643 3863 8.2 -15.8 16 24.0 -1.3 12 15 319.2 319.6 290.3 325.1 1.73 13 604 4375 3.8 -14.2 25 18.0 -3.4 344 12 319.9 320.3 290.9 327.0 2.11 14 573 4802 3.2 -16.8 21 20.0 -4.6 321 9 324.1 324.4 291.7 330.2 1.79 15 520 5579 -2.1 -18.1 28 16.0 -7.9 277 5 326.8 327.1 292.5 332.9 1.77 16 501 5874 -3.1 -33.1 8 30.0 -10.8 261 3 329.1 329.2 291.9 330.8 0.47 17 500 5890 -3.1 -32.1 9 29.0 -10.7 260 3 329.3 329.4 292.0 331.2 0.52 18 496 5954 -3.3 -31.3 9 28.0 -10.8 255 3 329.8 329.9 292.2 331.9 0.56 19 447 6769 -9.7 -24.7 28 15.0 -14.1 192 3 331.7 331.9 293.3 335.8 1.15 20 410 7432 -14.5 -32.5 20 18.0 -18.6 140 3 333.8 333.9 293.3 336.1 0.61 21 400 7620 -15.1 -35.1 16 20.0 -19.3 125 3 335.4 335.5 293.6 337.2 0.48 22 352 8573 -20.1 -47.1 7 27.0 -23.9 158 7 341.1 341.1 294.7 341.7 0.16 23 313 9427 -27.5 -41.5 25 14.0 -29.5 189 12 342.4 342.5 295.2 343.7 0.32 24 300 9730 -29.7 -44.7 22 15.0 -31.4 200 13 343.5 343.6 295.4 344.5 0.24 25 272 10424 -35.7 -56.7 10 21.0 -37.1 216 17 344.6 344.6 295.5 344.9 0.07 26 261 10712 -36.9 -56.9 11 20.0 -38.2 223 19 346.9 346.9 296.0 347.2 0.07 27 255 10873 -38.5 -57.5 12 19.0 -39.6 227 20 346.9 346.9 296.0 347.1 0.06 28 250 11010 -39.3 -57.3 13 18.0 -40.3 230 21 347.6 347.7 296.2 347.9 0.07 29 202 12426 -50.1 -69.1 9 19.0 -50.5 230 32 352.4 352.4 297.2 352.5 0.02 30 200 12490 -50.7 -69.7 9 19.0 -51.1 230 33 352.5 352.5 297.2 352.6 0.02 31 150 14300 -65.9 -76.9 20 11.0 -66.0 245 35 356.6 356.6 298.0 356.6 0.01 32 147 14423 -67.1 -77.1 23 10.0 -67.2 243 35 356.5 356.6 298.0 356.6 0.01 33 109 16173 -80.7 -88.7 25 8.0 -80.7 210 29 362.8 362.8 299.2 362.8 0.00 34 100 16660 -81.1 -89.1 25 8.0 -81.1 240 7 371.0 371.0 300.8 371.0 0.00 TRP 109 16173 -80.7 -88.7 25 8.0 -80.7 210 29 362.8 362.8 299.2 362.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 541.00 mb = 5271.14 m = 17293.55 ft Wetbulb zero: 650.67 mb = 3765.68 m = 12354.43 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 48.84 % Est. max temperature: 27.53 C = 81.55 F Sfc-Lift cond lev (LCL): 889.55 mb = 1147.47 m = 3764.60 ft T: 15.14 C 700-500 lapse rate: 4.95 C/km ThetaE index: 9.49 C Layer 835.0- 700.0 mb Conv cond level (CCL): 788.70 mb = 2166.97 m = 7109.40 ft Mean mixing ratio: 11.17 g/kg Conv temperature: 33.23 C = 91.82 F Cap Strength: 8.31 C Lifted Index: 8.42 C Risk: None Lifted Index @300 mb: 11.00 C Lifted Index @700 mb: 6.28 C Showalter Index: 6.61 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 14.70 C K Index: 12.90 Risk: None Sweat Index: 180.20 Risk: None Energy Index: -0.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.36 J/kg Max Up Vert Vel: 1.65 m/s Conv Inhibition (B-): 6774.24 J/kg Cap Strength: 8.12 C Lift Cond Lev (LCL): 885.12 mb = 1189.93 m = 3903.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 69 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 1015 6 345 7 1.8 -6.8 | 282 13 12.7 -2.6 1 1000 140 340 15 5.1 -14.1 | 302 19 16.0 -9.9 2 925 815 20 27 -9.2 -25.4 | 356 21 1.6 -21.2 3 850 1534 55 19 -15.6 -10.9 | 35 8 -4.7 -6.7 4 700 3162 50 19 -14.6 -12.2 | 25 9 -3.7 -8.0 5 500 5890 260 3 3.0 0.5 | 251 15 13.8 4.7 6 400 7620 125 3 -2.5 1.7 | 235 10 8.4 5.9 7 300 9730 200 13 4.4 12.2 | 223 22 15.3 16.4 8 250 11010 230 21 16.1 13.5 | 237 32 26.9 17.7 9 200 12490 230 33 25.3 21.2 | 235 44 36.1 25.4 10 150 14300 245 35 31.7 14.8 | 246 47 42.6 19.0 11 109 16173 210 29 14.5 25.1 | 221 39 25.3 29.3 12 100 16660 240 7 6.1 3.5 | 246 19 16.9 7.7 Wind Parameters Mean winds (0-6000m): 38.9 at 15.5 knts Storm direction: 68.9 at 11.6 knts Shear (0-3000m) pos: 3.1 neg: 0.2 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 158.5 neg: -3.0 tot: 155.5 m^2/s^2 ave: 51.8 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 22.35 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 ------------------------------------------------------------------------------- 500 351 16 312 18| 15.4 0.0 15.4| 69.7 0.0 69.7 139.5 0.86| 17.7 15.3 1000 9 21 335 18| 10.5 0.0 10.5|136.0 0.0 136.0 136.0 0.87| 16.1 14.0 1500 19 21 346 16| 6.2 0.0 6.2|157.9 0.0 157.9 105.3 0.79| 14.5 11.5 2000 27 21 354 14| 4.6 0.1 4.7|158.5 -0.8 157.7 78.8 0.77| 11.1 8.6 2500 32 20 0 13| 3.7 0.1 3.8|158.5 -1.9 156.6 62.6 0.75| 9.0 6.8 3000 36 20 4 12| 3.1 0.2 3.3|158.5 -3.0 155.5 51.8 0.73| 7.6 5.6 4000 36 19 2 12| 2.3 1.9 4.2|158.5 -41.8 116.7 29.2 0.33| 7.5 2.5 5000 34 18 355 10| 1.9 2.4 4.2|158.5 -91.4 67.1 13.4 0.10| 7.3 0.8 6000 39 15 352 8| 1.5 1.9 3.4|158.5-120.6 37.9 6.3 0.01| 6.7 0.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251021.00.gif