UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 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 1008 7 25.6 22.2 82 3.4 23.2 185 3 298.1 301.1 296.0 347.3 16.95 1 1000 80 24.8 22.1 85 2.7 22.9 160 7 298.0 301.0 296.0 347.3 16.98 2 925 761 20.4 19.6 95 0.8 19.8 225 5 300.2 303.0 295.8 346.2 15.71 3 917 836 20.0 18.8 93 1.2 19.2 234 5 300.5 303.3 295.4 344.7 15.06 4 882 1175 23.4 15.4 61 8.0 17.9 276 6 307.4 309.7 295.6 345.3 12.57 5 850 1498 21.0 15.0 69 6.0 16.9 315 7 308.1 310.5 295.9 346.6 12.72 6 805 1967 17.8 16.1 90 1.7 16.6 302 7 309.6 312.3 297.4 353.6 14.45 7 726 2846 13.2 6.2 62 7.0 8.9 278 7 313.8 315.4 294.1 339.4 8.22 8 719 2928 14.0 4.0 51 10.0 8.1 276 7 315.6 316.9 293.8 337.9 7.11 9 700 3154 13.0 3.0 51 10.0 7.2 270 7 316.9 318.2 293.9 338.4 6.80 10 664 3596 11.0 -1.0 43 12.0 4.5 266 7 319.5 320.5 293.5 336.7 5.36 11 558 5024 1.8 -9.2 44 11.0 -3.3 253 6 324.9 325.6 293.4 336.3 3.41 12 535 5362 -0.7 -6.7 64 6.0 -3.6 250 5 325.8 326.7 294.4 340.2 4.33 13 523 5543 -1.5 -12.5 43 11.0 -6.1 248 5 327.0 327.5 293.4 336.5 2.80 14 500 5900 -3.9 -10.9 58 7.0 -7.0 245 5 328.3 329.0 294.2 339.6 3.33 15 475 6303 -6.3 -15.3 49 9.0 -9.8 232 6 330.2 330.7 294.0 338.6 2.45 16 469 6403 -7.1 -14.1 57 7.0 -9.9 229 6 330.4 330.9 294.3 339.8 2.74 17 467 6436 -7.5 -9.7 84 2.2 -8.5 228 6 330.3 331.1 295.2 343.6 3.93 18 461 6537 -7.9 -10.8 80 2.9 -9.2 225 6 331.0 331.7 295.1 343.4 3.64 19 458 6587 -7.9 -17.9 44 10.0 -11.5 223 7 331.6 332.0 294.0 338.8 2.04 20 453 6673 -8.5 -17.5 48 9.0 -11.8 221 7 331.9 332.3 294.1 339.4 2.14 21 451 6707 -8.3 -23.3 29 15.0 -13.0 220 7 332.6 332.8 293.6 337.3 1.30 22 446 6794 -9.1 -13.1 73 4.0 -10.8 217 7 332.6 333.3 295.1 343.4 3.13 23 436 6969 -9.9 -15.9 61 6.0 -12.2 211 7 333.8 334.3 295.0 342.7 2.54 24 431 7058 -10.1 -28.1 21 18.0 -15.0 208 8 334.6 334.8 293.8 337.9 0.88 25 428 7112 -10.3 -21.3 40 11.0 -13.9 207 8 335.1 335.4 294.6 340.9 1.63 26 419 7275 -11.5 -27.5 25 16.0 -15.9 201 8 335.6 335.8 294.1 339.1 0.95 27 412 7404 -12.1 -22.1 43 10.0 -15.3 197 8 336.4 336.7 294.8 342.1 1.58 28 400 7630 -13.5 -33.5 17 20.0 -18.0 190 9 337.4 337.6 294.2 339.6 0.57 29 370 8218 -17.5 -23.5 59 6.0 -19.3 195 10 339.7 340.1 295.6 345.4 1.55 30 360 8422 -18.5 -29.5 37 11.0 -21.2 197 10 341.1 341.3 295.4 344.5 0.92 31 318 9332 -26.7 -33.7 52 7.0 -28.0 206 12 342.0 342.2 295.4 344.7 0.70 32 300 9750 -29.1 -32.0 76 2.9 -29.6 210 13 344.4 344.6 296.1 347.7 0.87 33 287 10066 -31.7 -33.2 87 1.5 -32.0 219 15 345.0 345.2 296.2 348.2 0.81 34 278 10291 -32.9 -37.3 65 4.4 -33.6 225 17 346.5 346.6 296.3 348.7 0.56 35 262 10706 -36.5 -39.3 75 2.8 -36.8 236 20 347.1 347.2 296.4 349.0 0.48 36 258 10813 -37.1 -43.1 54 6.0 -37.7 239 21 347.8 347.8 296.4 349.1 0.33 37 250 11030 -39.1 -43.6 62 4.5 -39.5 245 23 347.9 348.0 296.5 349.2 0.32 38 222 11828 -46.1 -49.6 68 3.5 -46.3 248 23 349.2 349.2 296.6 350.0 0.19 39 210 12193 -49.1 -63.1 18 14.0 -49.5 249 23 350.1 350.1 296.7 350.3 0.04 40 200 12510 -51.5 -61.5 29 10.0 -51.8 250 23 351.2 351.2 297.0 351.4 0.05 41 194 12707 -53.5 -61.5 37 8.0 -53.7 254 23 351.1 351.1 296.9 351.3 0.05 42 192 12774 -53.9 -57.8 62 3.9 -54.0 255 23 351.5 351.5 297.0 351.8 0.08 43 189 12875 -54.9 -62.9 36 8.0 -55.1 257 23 351.5 351.5 297.0 351.7 0.04 44 187 12943 -55.1 -65.1 28 10.0 -55.3 258 23 352.2 352.2 297.1 352.4 0.03 45 181 13151 -56.9 -61.9 53 5.0 -57.0 262 24 352.6 352.6 297.3 352.8 0.05 46 178 13257 -57.7 -66.7 31 9.0 -57.9 264 24 353.0 353.0 297.3 353.1 0.03 47 174 13401 -58.9 -64.9 46 6.0 -59.0 267 24 353.3 353.3 297.4 353.4 0.04 48 169 13584 -59.9 -69.9 26 10.0 -60.0 270 24 354.6 354.6 297.6 354.7 0.02 49 150 14320 -65.7 -71.7 43 6.0 -65.8 285 25 356.9 356.9 298.1 357.0 0.02 50 141 14692 -69.1 -73.6 52 4.5 -69.1 288 25 357.3 357.3 298.2 357.4 0.01 51 116 15830 -78.3 -84.3 37 6.0 -78.3 298 26 360.8 360.8 298.8 360.8 0.00 52 102 16558 -80.7 -86.7 36 6.0 -80.7 305 27 369.7 369.7 300.5 369.7 0.00 53 100 16670 -80.5 -86.5 36 6.0 -80.5 315 23 372.2 372.2 300.9 372.2 0.00 TRP 102 16558 -80.7 -86.7 36 6.0 -80.7 305 27 369.7 369.7 300.5 369.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5820.00 m Freezing level: 541.44 mb = 5267.15 m = 17280.47 ft Wetbulb zero: 602.70 mb = 4391.18 m = 14406.59 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 62.41 % Est. max temperature: 35.51 C = 95.92 F Sfc-Lift cond lev (LCL): 959.55 mb = 440.66 m = 1445.72 ft T: 22.47 C 700-500 lapse rate: 6.15 C/km ThetaE index: 15.61 C Layer 726.0- 700.0 mb Conv cond level (CCL): 805.70 mb = 1959.68 m = 6429.31 ft Mean mixing ratio: 16.16 g/kg Conv temperature: 37.11 C = 98.79 F Cap Strength: 5.16 C Lifted Index: 0.30 C Risk: Showers probable Lifted Index @300 mb: 1.17 C Lifted Index @700 mb: 3.37 C Showalter Index: 0.30 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 18.90 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.00 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.46 J/kg Max Up Vert Vel: 4.57 m/s Conv Inhibition (B-): 2024.77 J/kg Cap Strength: 5.11 C Lift Cond Lev (LCL): 932.44 mb = 691.02 m = 2267.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 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 1008 7 185 3 0.3 3.0 | 142 6 -4.0 5.0 1 1000 80 160 7 -2.4 6.6 | 142 11 -6.6 8.6 2 925 761 225 5 3.5 3.5 | 173 6 -0.7 5.6 3 850 1498 315 7 4.9 -4.9 | 346 3 0.7 -2.9 4 700 3154 270 7 7.0 -0.0 | 234 3 2.8 2.0 5 500 5900 245 5 4.5 2.1 | 184 4 0.3 4.1 6 400 7630 190 9 1.6 8.9 | 166 11 -2.7 10.9 7 300 9750 210 13 6.5 11.3 | 190 13 2.3 13.3 8 250 11030 245 23 20.8 9.7 | 235 20 16.6 11.7 9 200 12510 250 23 21.6 7.9 | 240 20 17.4 9.9 10 150 14320 285 25 24.1 -6.5 | 283 20 19.9 -4.4 11 102 16558 305 27 22.1 -15.5 | 307 22 17.9 -13.5 12 100 16670 315 23 16.3 -16.3 | 320 19 12.0 -14.2 Wind Parameters Mean winds (0-6000m): 265.6 at 6.2 knts Storm direction: 295.6 at 4.7 knts Shear (0-3000m) pos: 1.6 neg: 0.8 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 16.8 neg: -3.2 tot: 13.6 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 9.95 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 ------------------------------------------------------------------------------- 500 177 6 151 9| 3.1 0.0 3.1| 8.6 0.0 8.6 17.1 0.41| 8.9 3.6 1000 198 6 162 8| 2.8 0.0 2.8| 13.2 0.0 13.2 13.2 0.49| 7.2 3.5 1500 227 6 181 6| 3.2 0.0 3.2| 16.8 0.0 16.8 11.2 0.62| 7.1 4.4 2000 259 6 210 4| 2.4 0.4 2.8| 16.8 -1.1 15.7 7.9 0.50| 5.8 2.9 2500 272 6 229 3| 1.9 0.7 2.6| 16.8 -2.1 14.7 5.9 0.40| 5.0 2.0 3000 274 6 235 3| 1.6 0.8 2.4| 16.8 -3.2 13.6 4.5 0.31| 4.4 1.4 4000 272 7 232 3| 1.2 0.8 1.9| 16.8 -4.5 12.3 3.1 0.24| 3.5 0.8 5000 269 6 226 3| 0.9 0.7 1.6| 16.8 -5.7 11.1 2.2 0.19| 2.9 0.6 6000 266 6 219 3| 0.8 0.6 1.4| 16.9 -6.7 10.2 1.7 0.15| 2.6 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250416.12.gif