UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 16 APR 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 7 22.6 17.6 73 5.0 19.2 0 0 294.8 297.1 292.0 331.0 12.62 1 1001 92 21.6 17.3 77 4.3 18.7 201 1 294.7 296.9 291.9 330.5 12.50 2 1000 100 21.6 17.2 76 4.4 18.7 185 1 294.8 297.0 291.8 330.4 12.44 3 976 311 21.6 9.6 46 12.0 14.4 194 2 296.8 298.2 288.5 319.3 7.70 4 957 482 21.0 15.0 69 6.0 17.1 202 3 297.9 299.9 291.9 330.6 11.27 5 946 582 21.2 17.7 80 3.5 18.8 206 4 299.1 301.5 294.0 338.7 13.59 6 925 777 21.8 17.3 76 4.5 18.7 215 5 301.6 304.1 294.7 341.5 13.55 7 891 1104 23.0 13.0 53 10.0 16.4 250 7 306.1 308.1 293.9 338.0 10.62 8 886 1153 23.2 15.2 61 8.0 17.8 256 7 306.8 309.1 295.3 344.0 12.35 9 850 1514 20.6 13.6 64 7.0 15.9 295 9 307.7 309.9 295.0 342.8 11.60 10 744 2653 13.2 10.8 85 2.4 11.6 292 9 311.6 313.7 295.6 345.4 11.01 11 707 3082 12.4 4.4 58 8.0 7.6 290 9 315.3 316.7 294.0 338.7 7.44 12 700 3166 11.8 3.8 58 8.0 7.1 290 9 315.6 316.9 293.9 338.2 7.20 13 604 4385 4.6 -6.4 45 11.0 -0.7 264 6 320.8 321.6 292.7 333.7 3.92 14 598 4466 3.6 -2.4 65 6.0 0.4 262 6 320.6 321.6 293.8 338.0 5.37 15 589 4589 3.2 -6.8 48 10.0 -1.6 259 6 321.5 322.3 292.9 334.3 3.90 16 586 4631 2.8 -1.6 73 4.4 0.4 258 6 321.5 322.7 294.4 340.4 5.82 17 571 4841 2.0 -9.0 44 11.0 -3.0 254 5 323.0 323.6 292.9 334.2 3.39 18 559 5012 0.6 -6.4 59 7.0 -2.8 250 5 323.3 324.1 293.6 337.3 4.24 19 539 5304 -0.7 -12.7 40 12.0 -5.7 243 4 325.1 325.7 292.9 334.2 2.67 20 523 5544 -2.3 -16.3 33 14.0 -7.6 238 4 326.0 326.4 292.5 333.0 2.05 21 500 5900 -5.1 -8.9 75 3.8 -6.8 230 3 326.8 327.6 294.3 339.9 3.90 22 489 6074 -6.3 -8.5 84 2.2 -7.3 221 3 327.4 328.3 294.6 341.2 4.12 23 483 6171 -6.7 -12.7 62 6.0 -9.2 216 3 328.1 328.7 293.9 338.3 2.98 24 470 6383 -8.5 -10.4 86 1.9 -9.3 205 3 328.4 329.2 294.6 340.9 3.69 25 443 6840 -10.9 -13.1 84 2.2 -11.8 181 3 331.0 331.6 294.7 341.8 3.15 26 437 6945 -10.7 -18.7 52 8.0 -13.5 176 3 332.6 333.0 294.2 339.6 2.00 27 431 7051 -11.5 -16.5 66 5.0 -13.3 170 3 332.9 333.4 294.7 341.4 2.44 28 424 7176 -11.7 -24.7 33 13.0 -15.5 164 3 334.2 334.4 294.0 338.6 1.22 29 415 7340 -13.1 -22.1 47 9.0 -15.9 155 3 334.4 334.7 294.3 340.0 1.57 30 411 7414 -13.5 -26.5 33 13.0 -17.0 151 3 334.8 335.1 294.0 338.7 1.07 31 404 7545 -14.3 -21.3 55 7.0 -16.5 144 3 335.4 335.8 294.7 341.6 1.73 32 400 7620 -14.7 -24.7 42 10.0 -17.6 140 3 335.9 336.1 294.4 340.6 1.29 33 387 7870 -16.1 -27.1 38 11.0 -19.0 157 3 337.2 337.5 294.6 341.2 1.07 34 376 8087 -17.9 -24.9 54 7.0 -19.8 172 3 337.6 337.9 294.9 342.6 1.35 35 369 8227 -18.9 -30.9 34 12.0 -21.6 182 4 338.1 338.3 294.6 341.1 0.79 36 368 8247 -18.9 -24.9 59 6.0 -20.5 183 4 338.4 338.7 295.1 343.4 1.38 37 360 8411 -19.7 -31.7 34 12.0 -22.3 195 4 339.5 339.6 294.8 342.3 0.75 38 352 8578 -20.7 -29.7 44 9.0 -22.8 207 4 340.3 340.5 295.2 343.8 0.93 39 300 9740 -30.1 -40.1 37 10.0 -31.4 290 5 343.0 343.0 295.4 344.5 0.39 40 279 10251 -33.9 -46.9 26 13.0 -35.2 276 10 344.7 344.7 295.6 345.5 0.20 41 274 10377 -34.5 -40.5 54 6.0 -35.3 273 11 345.6 345.7 296.0 347.2 0.41 42 269 10506 -35.5 -51.5 18 16.0 -36.8 269 12 346.0 346.0 295.8 346.5 0.12 43 265 10609 -36.3 -44.3 43 8.0 -37.1 266 13 346.3 346.3 296.1 347.4 0.28 44 252 10956 -39.1 -45.1 53 6.0 -39.6 257 16 347.1 347.2 296.3 348.2 0.27 45 250 11010 -39.5 -45.5 53 6.0 -40.0 255 17 347.3 347.4 296.3 348.4 0.26 46 238 11345 -41.9 -49.9 41 8.0 -42.5 253 20 348.6 348.7 296.5 349.3 0.17 47 234 11460 -42.9 -47.9 58 5.0 -43.3 252 21 348.8 348.9 296.5 349.7 0.21 48 230 11576 -43.3 -52.3 36 9.0 -43.9 251 21 349.9 350.0 296.7 350.5 0.13 49 215 12026 -47.5 -58.5 27 11.0 -47.9 248 25 350.2 350.2 296.7 350.5 0.07 50 212 12119 -48.3 -54.3 50 6.0 -48.6 248 26 350.4 350.4 296.8 350.9 0.11 51 200 12500 -51.9 -55.8 63 3.9 -52.1 245 29 350.6 350.6 296.8 351.0 0.10 52 199 12532 -52.1 -55.9 63 3.8 -52.2 246 29 350.8 350.8 296.9 351.2 0.10 53 167 13638 -62.1 -65.5 64 3.4 -62.1 264 33 352.1 352.1 297.1 352.3 0.03 54 161 13862 -64.3 -70.3 44 6.0 -64.4 268 34 352.1 352.1 297.1 352.2 0.02 55 150 14290 -67.5 -74.5 36 7.0 -67.5 275 36 353.8 353.8 297.4 353.9 0.01 56 143 14576 -70.1 -78.1 30 8.0 -70.1 272 32 354.1 354.1 297.5 354.2 0.01 57 102 16519 -82.9 -87.7 43 4.8 -82.9 250 1 365.5 365.5 299.7 365.5 0.00 58 100 16630 -80.9 -86.9 36 6.0 -80.9 165 1 371.4 371.4 300.8 371.4 0.00 TRP 102 16519 -82.9 -87.7 43 4.8 -82.9 250 1 365.5 365.5 299.7 365.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 549.77 mb = 5146.61 m = 16884.99 ft Wetbulb zero: 613.07 mb = 4261.76 m = 13981.97 ft Precipitable water: 1.89 inches Sfc-500 mean rel hum: 60.77 % Est. max temperature: 35.25 C = 95.45 F Sfc-Lift cond lev (LCL): 939.49 mb = 642.04 m = 2106.39 ft T: 21.38 C 700-500 lapse rate: 6.18 C/km ThetaE index: 11.75 C Layer 707.0- 598.0 mb Conv cond level (CCL): 678.25 mb = 3426.84 m = 11242.77 ft Mean mixing ratio: 11.65 g/kg Conv temperature: 44.53 C = 112.16 F Cap Strength: 8.44 C Lifted Index: 5.13 C Risk: None Lifted Index @300 mb: 8.82 C Lifted Index @700 mb: 6.74 C Showalter Index: 0.56 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 18.70 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 184.20 Risk: None Energy Index: -0.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.97 J/kg Max Up Vert Vel: 8.12 m/s Conv Inhibition (B-): 5767.90 J/kg Cap Strength: 8.44 C Lift Cond Lev (LCL): 878.24 mb = 1229.47 m = 4033.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 5 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 7 0 0 -0.0 -0.0 | 129 5 -3.8 3.0 1 1000 100 185 1 0.1 1.0 | 137 5 -3.7 4.0 2 925 777 215 5 2.9 4.1 | 173 7 -0.9 7.1 3 850 1514 295 9 8.2 -3.8 | 280 4 4.4 -0.8 4 700 3166 290 9 8.5 -3.1 | 271 5 4.7 -0.0 5 500 5900 230 3 2.3 1.9 | 163 5 -1.5 5.0 6 400 7620 140 3 -1.9 2.3 | 133 8 -5.7 5.3 7 300 9740 290 5 4.7 -1.7 | 215 2 0.9 1.3 8 250 11010 255 17 16.4 4.4 | 240 15 12.6 7.4 9 200 12500 245 29 26.3 12.3 | 236 27 22.5 15.3 10 150 14290 275 36 35.9 -3.1 | 270 32 32.1 -0.1 11 102 16519 250 1 0.9 0.3 | 140 4 -2.8 3.4 12 100 16630 165 1 -0.3 1.0 | 135 6 -4.0 4.0 Wind Parameters Mean winds (0-6000m): 278.7 at 6.5 knts Storm direction: 308.7 at 4.9 knts Shear (0-3000m) pos: 1.7 neg: 0.7 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 142.7 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -0.8 tot: 21.8 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.03 Bulk Shear: 5.47 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 ------------------------------------------------------------------------------- 500 198 2 146 6| 0.0 3.5 3.5| 4.6 0.0 4.6 9.3 0.86| 3.6 3.1 1000 217 3 163 6| 2.1 1.8 3.8| 12.5 0.0 12.5 12.5 0.91| 4.1 3.8 1500 249 5 188 5| 3.3 1.2 4.5| 22.4 0.0 22.4 15.0 0.94| 5.4 5.1 2000 269 6 213 4| 2.5 0.9 3.4| 22.5 -0.2 22.3 11.2 0.91| 4.1 3.8 2500 277 6 229 3| 2.0 0.8 2.8| 22.5 -0.5 22.1 8.8 0.89| 3.4 3.0 3000 281 7 240 3| 1.7 0.7 2.3| 22.5 -0.8 21.8 7.3 0.86| 2.8 2.4 4000 282 7 244 4| 1.2 0.9 2.1| 22.5 -4.6 17.9 4.5 0.55| 2.5 1.4 5000 279 7 239 4| 1.0 0.9 1.9| 22.5 -8.4 14.1 2.8 0.34| 2.4 0.8 6000 279 6 232 3| 0.8 0.9 1.7| 22.5 -11.8 10.8 1.8 0.21| 2.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250416.00.gif