UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061712.upa.cvt Date: 1200Z 17 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 17 JUN 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 1002 6 33.4 25.4 63 8.0 27.3 165 1 306.4 310.3 300.4 369.1 20.79 1 1000 22 33.4 25.4 63 8.0 27.3 165 1 306.5 310.4 300.5 369.4 20.84 2 925 724 28.0 22.0 70 6.0 23.6 185 19 307.9 311.4 299.3 363.3 18.28 3 850 1469 21.6 19.8 90 1.8 20.3 210 11 308.8 312.0 299.0 361.5 17.35 4 841 1562 20.8 19.7 93 1.1 20.0 212 11 308.9 312.2 299.1 361.8 17.43 5 800 1994 17.6 17.6 100 0.0 17.6 224 12 309.9 312.9 298.5 358.8 16.03 6 730 2775 12.8 12.2 96 0.6 12.4 245 13 312.9 315.2 296.8 350.9 12.33 7 700 3129 12.0 12.0 100 0.0 12.0 255 13 315.8 318.2 297.8 355.4 12.70 8 500 5880 -2.1 -5.3 79 3.2 -3.7 250 13 330.5 331.5 296.1 347.8 5.16 9 496 5944 -2.3 -5.7 77 3.4 -4.0 253 13 331.0 332.0 296.2 348.0 5.05 10 492 6008 -1.9 -6.9 69 5.0 -4.4 255 12 332.3 333.2 296.2 348.0 4.64 11 425 7155 -10.7 -11.7 92 1.0 -11.1 301 6 335.2 336.0 296.2 348.0 3.68 12 400 7620 -12.3 -16.4 71 4.1 -13.9 320 3 339.0 339.5 296.3 348.5 2.66 13 384 7932 -13.5 -20.5 56 7.0 -15.9 320 4 341.4 341.8 296.3 348.5 1.95 14 372 8173 -14.7 -23.7 46 9.0 -17.5 320 5 342.9 343.2 296.3 348.5 1.52 15 342 8805 -19.3 -28.3 45 9.0 -21.6 320 7 345.0 345.2 296.4 349.1 1.09 16 322 9251 -21.9 -26.9 64 5.0 -23.2 320 9 347.4 347.7 297.1 352.4 1.31 17 318 9343 -21.9 -29.9 48 8.0 -23.8 320 9 348.7 348.9 297.2 352.5 1.01 18 305 9650 -24.3 -29.3 63 5.0 -25.5 320 11 349.5 349.7 297.4 353.7 1.11 19 302 9722 -24.9 -34.9 39 10.0 -26.8 320 11 349.6 349.8 297.1 352.2 0.65 20 300 9770 -25.3 -33.3 47 8.0 -26.9 320 11 349.7 349.9 297.2 352.7 0.77 21 290 10014 -27.5 -31.2 71 3.7 -28.3 331 12 350.0 350.2 297.4 353.8 0.97 22 271 10496 -30.5 -37.5 50 7.0 -31.6 353 15 352.5 352.6 297.7 354.7 0.56 23 265 10653 -31.9 -36.9 61 5.0 -32.7 1 16 352.7 352.8 297.7 355.1 0.61 24 261 10760 -32.9 -38.9 55 6.0 -33.8 6 17 352.8 352.9 297.7 354.8 0.50 25 258 10841 -33.5 -48.5 21 15.0 -35.0 10 18 353.1 353.1 297.4 353.8 0.18 26 256 10895 -33.9 -39.9 55 6.0 -34.7 12 18 353.3 353.4 297.7 355.1 0.46 27 254 10950 -34.5 -40.5 54 6.0 -35.3 15 18 353.2 353.3 297.7 355.0 0.44 28 250 11060 -35.1 -41.1 54 6.0 -35.8 20 19 353.9 354.0 297.8 355.6 0.42 29 233 11546 -39.5 -43.4 66 3.9 -39.9 23 20 354.4 354.5 297.9 355.9 0.35 30 219 11966 -42.9 -51.9 37 9.0 -43.5 26 20 355.5 355.5 297.9 356.1 0.14 31 200 12570 -48.3 -54.3 50 6.0 -48.6 30 21 356.3 356.3 298.1 356.8 0.12 32 190 12906 -51.5 -56.5 55 5.0 -51.7 33 21 356.4 356.4 298.1 356.8 0.10 33 176 13400 -55.7 -59.3 64 3.6 -55.8 37 20 357.4 357.4 298.2 357.7 0.07 34 150 14400 -64.1 -67.9 60 3.8 -64.1 45 19 359.7 359.7 298.7 359.8 0.03 35 131 15210 -72.3 -76.9 50 4.6 -72.3 37 26 359.2 359.2 298.5 359.2 0.01 36 123 15579 -73.9 -79.9 39 6.0 -73.9 33 29 362.8 362.8 299.2 362.8 0.01 37 106 16432 -79.7 -83.3 55 3.6 -79.7 24 37 367.6 367.6 300.1 367.6 0.00 38 100 16760 -80.9 -83.7 62 2.8 -80.9 20 40 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5858.00 m Freezing level: 529.79 mb = 5470.28 m = 17946.88 ft Wetbulb zero: 547.51 mb = 5137.85 m = 16856.26 ft Precipitable water: 2.92 inches Sfc-500 mean rel hum: 87.77 % Est. max temperature: 35.78 C = 96.40 F Sfc-Lift cond lev (LCL): 893.54 mb = 1028.90 m = 3375.62 ft T: 25.38 C 700-500 lapse rate: 5.13 C/km ThetaE index: 10.91 C Layer 800.0- 700.0 mb Conv cond level (CCL): 847.89 mb = 1490.65 m = 4890.51 ft Mean mixing ratio: 19.24 g/kg Conv temperature: 35.83 C = 96.49 F Cap Strength: 1.14 C Lifted Index: -4.17 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.69 C Lifted Index @700 mb: -2.49 C Showalter Index: -2.91 C Risk: Severe thunderstorms possible Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.90 C K Index: 43.50 Risk: > 80 % chance of thunderstorms Sweat Index: 272.60 Risk: None Energy Index: -2.71 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2283.28 J/kg Max Up Vert Vel: 67.58 m/s Conv Inhibition (B-): 20.25 J/kg Cap Strength: 1.14 C Lift Cond Lev (LCL): 864.87 mb = 1316.19 m = 4318.17 ft Lev Free Conv (LFC): 839.87 mb = 1573.35 m = 5161.85 ft Equ Level (EL): 109.87 mb = 16225.98 m = 53234.19 ft B at Equ Level: 2270.51 J/kg Wind level data Storm motion: 265 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 1002 6 165 1 -0.3 1.0 | 90 10 -9.7 0.1 1 1000 22 165 1 -0.3 1.0 | 90 10 -9.7 0.1 2 925 724 185 19 1.7 18.9 | 157 20 -7.7 18.0 3 850 1469 210 11 5.5 9.5 | 156 9 -3.9 8.6 4 700 3129 255 13 12.6 3.4 | 232 4 3.2 2.5 5 500 5880 250 13 12.2 4.4 | 218 5 2.8 3.5 6 400 7620 320 3 1.9 -2.3 | 67 8 -7.5 -3.2 7 300 9770 320 11 7.1 -8.4 | 14 10 -2.3 -9.3 8 250 11060 20 19 -6.5 -17.9 | 40 25 -15.9 -18.8 9 200 12570 30 21 -10.5 -18.2 | 46 28 -19.9 -19.1 10 150 14400 45 19 -13.4 -13.4 | 58 27 -22.8 -14.3 11 100 16760 20 40 -13.7 -37.6 | 31 45 -23.1 -38.5 Wind Parameters Mean winds (0-6000m): 234.5 at 12.6 knts Storm direction: 264.5 at 9.4 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 131.3 deg Storm rel helicity (0-3000m) pos: 72.0 neg: -1.9 tot: 70.1 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.9 10^-3/s Energy-Hel index: 0.92 Bulk Rich Number: 155.63 Bulk Shear: 14.67 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 ------------------------------------------------------------------------------- 500 178 7 122 11| 12.8 0.0 12.8| 34.9 0.0 34.9 69.9 0.86| 12.9 11.2 1000 186 12 143 14| 7.8 0.0 7.8| 59.8 0.0 59.8 59.8 0.74| 11.3 8.3 1500 191 12 148 13| 3.6 0.0 3.6| 60.2 -1.9 58.3 38.8 0.55| 9.7 5.4 2000 197 12 151 12| 2.9 0.0 2.9| 64.7 -1.9 62.8 31.4 0.57| 8.0 4.6 2500 204 12 156 11| 2.5 0.0 2.5| 68.6 -1.9 66.7 26.7 0.59| 7.0 4.1 3000 211 12 162 10| 2.2 0.0 2.2| 72.0 -1.9 70.1 23.4 0.61| 6.3 3.9 4000 223 12 173 8| 1.7 0.0 1.7| 72.7 -2.2 70.5 17.6 0.60| 4.9 3.0 5000 230 13 181 7| 1.3 0.1 1.4| 72.7 -2.7 70.1 14.0 0.59| 4.0 2.3 6000 235 13 188 6| 1.1 0.1 1.1| 73.3 -3.0 70.4 11.7 0.57| 3.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250617.12.gif