UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 19 OCT 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 28.0 23.7 78 4.3 24.9 360 3 300.5 303.9 297.7 355.1 18.61 1 1000 78 27.8 23.3 77 4.5 24.5 360 9 301.0 304.3 297.7 354.8 18.30 2 925 766 22.4 20.8 91 1.6 21.3 25 21 302.2 305.3 297.1 352.3 16.95 3 860 1397 17.8 17.2 96 0.6 17.4 42 28 303.8 306.5 296.0 346.9 14.51 4 850 1498 18.0 14.1 78 3.9 15.4 45 29 305.0 307.2 294.5 340.8 11.99 5 848 1518 18.6 13.6 73 5.0 15.3 45 29 305.8 308.0 294.5 340.7 11.62 6 818 1827 16.4 14.4 88 2.0 15.1 48 28 306.7 309.0 295.5 344.9 12.71 7 775 2286 13.6 12.5 93 1.1 12.9 52 26 308.4 310.7 295.4 344.3 11.84 8 700 3142 10.0 6.6 79 3.4 7.9 60 23 313.6 315.2 294.5 340.8 8.77 9 683 3346 9.4 5.1 74 4.3 6.8 63 23 315.1 316.7 294.4 340.5 8.09 10 678 3407 8.8 6.3 84 2.5 7.3 64 23 315.1 316.8 295.0 342.8 8.87 11 657 3668 7.8 0.8 61 7.0 3.9 68 22 316.8 318.0 293.4 336.5 6.18 12 651 3743 7.6 0.6 61 7.0 3.7 69 22 317.4 318.6 293.6 337.0 6.15 13 581 4672 1.8 -0.0 88 1.8 0.8 82 21 321.1 322.4 294.9 342.4 6.60 14 544 5201 -1.1 -10.1 50 9.0 -5.1 90 20 323.8 324.4 293.0 334.7 3.26 15 521 5544 -3.3 -4.3 93 1.0 -3.8 95 19 325.2 326.2 295.0 342.8 5.35 16 500 5870 -4.1 -5.1 93 1.0 -4.6 100 19 328.0 329.1 295.6 345.5 5.24 17 494 5965 -4.7 -4.8 99 0.1 -4.8 104 18 328.4 329.5 295.8 346.5 5.43 18 479 6207 -5.3 -7.1 87 1.8 -6.2 115 16 330.6 331.6 295.8 346.4 4.69 19 478 6224 -5.1 -8.8 75 3.7 -6.8 116 16 331.1 331.9 295.5 345.0 4.12 20 450 6695 -8.3 -17.3 48 9.0 -11.6 138 11 332.8 333.2 294.4 340.5 2.19 21 426 7118 -11.1 -15.2 72 4.1 -12.7 157 8 334.5 335.0 295.3 344.1 2.76 22 414 7337 -11.5 -25.5 30 14.0 -15.6 168 5 336.7 336.9 294.6 341.0 1.16 23 406 7487 -12.9 -25.9 33 13.0 -16.6 175 4 336.8 337.0 294.6 341.0 1.14 24 400 7600 -13.7 -27.7 30 14.0 -17.4 180 3 337.2 337.4 294.5 340.8 0.98 25 392 7753 -14.5 -39.5 10 25.0 -19.3 171 3 338.1 338.2 294.1 339.3 0.32 26 382 7949 -16.1 -35.1 18 19.0 -20.1 160 3 338.5 338.6 294.4 340.4 0.51 27 377 8048 -16.7 -25.7 46 9.0 -19.2 154 3 339.0 339.2 295.2 343.6 1.25 28 371 8169 -16.7 -48.7 4 32.0 -21.4 147 4 340.5 340.6 294.6 341.0 0.12 29 353 8541 -18.7 -32.7 28 14.0 -21.8 126 4 342.7 342.9 295.6 345.4 0.69 30 352 8562 -18.7 -31.7 31 13.0 -21.7 124 4 343.0 343.2 295.7 345.9 0.76 31 300 9730 -29.1 -32.8 70 3.7 -29.8 55 5 344.4 344.5 296.1 347.5 0.81 32 284 10120 -32.1 -33.7 86 1.6 -32.4 67 6 345.5 345.7 296.3 348.5 0.78 33 260 10739 -36.7 -40.3 69 3.6 -37.1 86 7 347.6 347.7 296.5 349.3 0.44 34 250 11010 -39.3 -41.7 78 2.4 -39.5 95 7 347.6 347.7 296.4 349.2 0.39 35 243 11203 -40.9 -41.9 90 1.0 -41.0 102 9 348.1 348.2 296.5 349.7 0.40 36 226 11690 -44.9 -51.9 45 7.0 -45.3 120 12 349.2 349.3 296.6 349.8 0.14 37 214 12050 -48.5 -52.4 64 3.9 -48.7 133 15 349.1 349.2 296.5 349.7 0.14 38 211 12142 -48.9 -60.9 23 12.0 -49.3 137 16 349.9 349.9 296.7 350.2 0.05 39 200 12490 -52.1 -59.1 43 7.0 -52.3 150 19 350.3 350.3 296.7 350.5 0.07 40 181 13128 -57.5 -60.4 69 2.9 -57.6 164 25 351.6 351.6 297.0 351.9 0.06 41 176 13304 -58.7 -64.7 46 6.0 -58.8 168 26 352.5 352.5 297.2 352.6 0.04 42 171 13485 -60.3 -64.6 57 4.3 -60.4 172 28 352.7 352.7 297.3 352.9 0.04 43 164 13744 -62.1 -71.1 29 9.0 -62.2 178 30 353.9 354.0 297.5 354.0 0.02 44 159 13935 -63.7 -70.7 38 7.0 -63.8 182 32 354.4 354.4 297.6 354.5 0.02 45 153 14170 -65.1 -75.1 24 10.0 -65.2 187 34 355.9 355.9 297.9 356.0 0.01 46 150 14290 -65.9 -74.9 27 9.0 -66.0 190 35 356.6 356.6 298.0 356.6 0.01 47 102 16539 -82.1 -86.7 45 4.6 -82.1 170 7 367.0 367.0 300.0 367.0 0.00 48 100 16650 -80.7 -86.7 36 6.0 -80.7 130 11 371.8 371.8 300.9 371.8 0.00 TRP 102 16539 -82.1 -86.7 45 4.6 -82.1 170 7 367.0 367.0 300.0 367.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 558.03 mb = 5000.12 m = 16404.39 ft Wetbulb zero: 576.07 mb = 4740.52 m = 15552.69 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 81.22 % Est. max temperature: 31.56 C = 88.81 F Sfc-Lift cond lev (LCL): 947.36 mb = 555.17 m = 1821.41 ft T: 24.05 C 700-500 lapse rate: 5.17 C/km ThetaE index: 14.40 C Layer 1000.0- 818.0 mb Conv cond level (CCL): 904.31 mb = 962.08 m = 3156.38 ft Mean mixing ratio: 17.51 g/kg Conv temperature: 30.25 C = 86.44 F Cap Strength: 0.69 C Lifted Index: -2.30 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.52 C Lifted Index @700 mb: -1.50 C Showalter Index: 2.33 C Risk: Showers probable Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.20 C K Index: 32.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.20 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 825.23 J/kg Max Up Vert Vel: 40.63 m/s Conv Inhibition (B-): 3.69 J/kg Cap Strength: 0.69 C Lift Cond Lev (LCL): 918.36 mb = 828.43 m = 2717.92 ft Lev Free Conv (LFC): 893.36 mb = 1067.62 m = 3502.63 ft Equ Level (EL): 163.36 mb = 13768.02 m = 45170.12 ft B at Equ Level: 818.47 J/kg Wind level data Storm motion: 90 at 16 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 7 360 3 -0.0 -3.0 | 280 17 16.5 -2.9 1 1000 78 360 9 -0.0 -9.0 | 298 19 16.5 -8.9 2 925 766 25 21 -8.9 -19.0 | 338 20 7.6 -18.9 3 850 1498 45 29 -20.5 -20.5 | 11 21 -4.0 -20.4 4 700 3142 60 23 -19.9 -11.5 | 17 12 -3.5 -11.4 5 500 5870 100 19 -18.7 3.3 | 147 4 -2.3 3.4 6 400 7600 180 3 0.0 3.0 | 259 17 16.5 3.1 7 300 9730 55 5 -4.1 -2.9 | 282 13 12.4 -2.7 8 250 11010 95 7 -7.0 0.6 | 266 10 9.5 0.7 9 200 12490 150 19 -9.5 16.5 | 203 18 7.0 16.6 10 150 14290 190 35 6.1 34.5 | 213 41 22.5 34.6 11 102 16539 170 7 -1.2 6.9 | 245 17 15.2 7.0 12 100 16650 130 11 -8.4 7.1 | 228 11 8.0 7.2 Wind Parameters Mean winds (0-6000m): 59.5 at 21.9 knts Storm direction: 89.5 at 16.5 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 168.3 neg: 0.0 tot: 168.3 m^2/s^2 ave: 56.1 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 5.6 10^-3/s Energy-Hel index: 0.85 Bulk Rich Number: 21.56 Bulk Shear: 38.28 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 9 12 308 19| 14.0 0.0 14.0| 67.6 0.0 67.6 135.2 0.97| 14.7 14.3 1000 21 16 324 18| 10.9 0.0 10.9|116.3 0.0 116.3 116.3 0.98| 12.0 11.8 1500 30 20 338 18| 9.2 0.0 9.2|160.7 0.0 160.7 107.1 0.99| 10.8 10.7 2000 35 22 347 18| 6.5 0.0 6.5|164.7 0.0 164.7 82.4 0.93| 8.9 8.2 2500 39 23 353 18| 4.9 0.0 4.9|167.2 0.0 167.2 66.9 0.87| 7.7 6.7 3000 42 23 356 17| 3.8 0.0 3.8|168.3 0.0 168.3 56.1 0.82| 6.8 5.6 4000 48 23 2 15| 2.7 0.0 2.7|175.8 0.0 175.8 44.0 0.78| 5.9 4.6 5000 54 22 7 13| 2.1 0.0 2.1|181.6 0.0 181.6 36.3 0.77| 5.3 4.1 6000 60 22 13 11| 1.6 0.0 1.6|188.3 0.0 188.3 31.4 0.79| 5.0 4.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251019.12.gif